Natixis Funds Trust IV N-CSRCertified annual shareholder report (management investment company)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-CSR

CERTIFIED SHAREHOLDER REPORT OF REGISTERED

MANAGEMENT INVESTMENT COMPANIES

Investment Company Act file number: 811-09945

Natixis Funds Trust IV

(Exact name of Registrant as specified in charter)

888 Boylston Street, Suite 800, Boston, Massachusetts 02199-8197

(Address of principal executive offices) (Zip code)

Natalie Wagner, Esq.

Natixis Distribution, LLC

888 Boylston Street, Suite 800

Boston, Massachusetts 02199-8197

(Name and address of agent for service)

Registrant’s telephone number, including area code: (617) 449-2810

Date of fiscal year end: January 31

Date of reporting period: January 31, 2023

Annual Report

January 31, 2023

AEW Global Focused Real Estate Fund

Table of Contents

AEW GLOBAL FOCUSED REAL ESTATE FUND

Investment Goal

The Fund seeks to provide investors with above-average income and long-term growth of capital.

Market Conditions

Overall, 2022 was a difficult year for the listed property sector. Real estate securities, along with nearly all asset classes, declined sharply over the trailing one-year period in the face of heightened geopolitical turmoil, rising energy prices, persistently high inflation, and a hawkish monetary policy shift from central banks around the world. Global real estate investment trusts (“REITs”) declined as equity investors expected a significant softening in property values driven by two major themes. First, financing costs rose rapidly during the year due to the sharp rise in interest rates, which resulted in upward pressure on capitalization rates for most property types. Second, access to credit was diminished as the corporate bond market was challenged for a large part of the year due to stubbornly high inflation and market uncertainty regarding the path of central bank rate hikes. In the US, the Federal Reserve kicked off an aggressive rate hike cycle in March — other central banks globally quickly followed suit — to rein in surging inflation that has pushed up the Federal Funds rate by 425 basis points, the steepest increase since the early 1980s. This resulted in the 10-Year US Treasury ending the Fund’s fiscal year 173 basis points higher at 3.52%. While inflation showed signs of cooling in the latter half of the year, most central banks signaled further rate hikes would be required in 2023 to bring inflation in line with long term targets.

Performance Results

For the 12 months ended January 31, 2023, Class Y shares of the AEW Global Focused Real Estate Fund returned -14.00% at net asset value. The Fund underperformed its benchmark, the FTSE EPRA Nareit Developed Index (Net), which returned -13.38%.

Explanation of Fund Performance

Negative regional allocation and negative stock selection drove the Fund’s underperformance. In terms of regional allocation, negative results were driven by the portfolio’s underweight to Asia Pacific, while an underweight to Europe was a notable positive contributor to performance. Stock selection results were negative in Europe and North America and slightly positive in Asia Pacific. Meanwhile, the portfolio’s small cash balance held amongst the regional sleeves was a significant positive contributor.

The largest individual detractors to performance included US companies Essex Property Trust, Macerich, and Kilroy Realty. Essex is a West Coast apartment owner and the company underperformed on investor concerns about demand weakness in West Coast markets due to tech layoff announcements which drove weak rent spreads, thus the portfolio’s overweight was a negative detractor to relative performance. We believe the company trades at an attractive valuation and should continue to benefit from limited new supply in the medium term. Macerich owns a portfolio of mostly high-quality A-rated malls with notable exposure to New York, California, and Arizona. The company, along with the Retail REITs sector, underperformed during the second quarter given concerns that high inflation and a slowing economy would reduce consumer purchasing power and the portfolio’s overweight was a detractor to relative performance. We exited our position during the second quarter given concerns regarding Macerich’s ability to refinance debt in a rising rate environment coupled with a potential pull back in consumer discretionary spending. Kilroy is a West Coast office owner that underperformed in the latter half of the year due to concerns about future office demand following tech sector layoff/cost cutting announcements and the portfolio’s overweight was a negative detractor to performance. Additionally, Kilroy faces an elevated lease expiration schedule in 2023, which could negatively impact occupancy and we exited our position during the fourth quarter as a result.

Amongst the Fund’s holdings, the largest individual contributors to performance included VICI Properties (US), Summit Industrial Income (Canada), and Brixmor Property Group (US). VICI invests in experiential real estate that is primarily leased to gaming-related operators. The company benefited from a risk-off year amidst growing recession concerns as VICI offers investors relatively durable cash flows given its long-term leases with strong rent coverage and the portfolio’s overweight was a positive contributor to relative performance. Furthermore, the company’s CPI-linked leases are an additional source of internal rent growth amidst elevated inflation. Summit Industrial manages a portfolio of industrial properties across Canada. The company outperformed after receiving a take-over bid from GIC and Dream Industrial REIT in the fourth quarter that represented a 31% premium to the last traded price and the portfolio’s overweight was a positive contributor to relative performance. We exited our position in Summit Industrial after the company agreed to the acquisition. Brixmor owns a portfolio of mostly suburban located grocery-anchored neighborhood and

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community centers, with notable exposure to secondary and tertiary markets. The company outperformed after third quarter results showed continued reopening momentum and strong leasing demand and the portfolio’s overweight was a positive contributor to relative performance. Additionally, Brixmor continues to deliver on its large redevelopment pipeline at attractive yields which should drive internal growth in the near-to-medium term.

Outlook

The outlook for global real estate securities remains positive, though the upside depends on where interest rates and inflation settle globally in the coming year. After outsized gains early in the Covid-19 recovery, growth is slowing in many property sectors. Vacancy rates are finally edging up in sectors like Industrial REITs and Residential REITs, and rent growth is slower than it was a few quarters ago though still positive in most markets. While market rent growth is slowing, some of these sectors will still benefit from below-market leases rolling to higher rents. Industrial properties in particular will see a much larger boost from below-market leases rolling than most other sectors. Office markets continue to be weak, with already high vacancies bumping up against the demand uncertainty of a pending economic slowdown and the ongoing transition to a hybrid work environment for many office employees. While long leases mute the impact on incomes for occupied office buildings, these factors will be headwinds to office values for years. That said, there are some office markets where rents are growing (Singapore and Paris for example) as vacancy rates are low and demand remains strong for high-quality, well-located properties. Retail performed relatively well in 2022 as consumers have drawn on their Covid-era savings and resumed going to brick and mortar stores, though this will be tested next year as the economy slows and excess savings is drawn down. Necessity-oriented retail like grocery-anchored centers should hold up better than assets tied to more discretionary spending. Data Centers saw strong leasing and improving rent spreads in 2022 but do face a substantial supply pipeline that could weigh on pricing power.

Generally, there is little risk of over-supply in this real estate cycle and many leases, especially in Europe, have rental rates linked to inflation which should help drive earnings growth in the near term. Additionally, the regional outlook in Asia Pacific has some additional upside following China’s rapid dismantling of its zero-Covid policy in late December, which is expected to provide a meaningful boost to consumer demand across the region. Overall, earnings growth expectations for 2023 have been reduced. As long as any global recession is mild, the expectation is for slower but still positive earnings growth for the REIT sector in 2023.

Hypothetical Growth of $100,000 Investment in Class Y Shares^3,5

January 31, 2013 through January 31, 2023

See notes to chart on page 3.

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AEW GLOBAL FOCUSED REAL ESTATE FUND

Top Ten Holdings as of January 31, 2023

The portfolio is actively managed and holdings are subject to change. There is no guarantee the Fund continues to invest in the securities referenced. The holdings listed exclude any temporary cash investments, are presented on an individual security basis and do not represent holdings of the issuer.

Average Annual Total Returns — January 31, 2023^3,5

Performance data shown represents past performance and is no guarantee of, and not necessarily indicative of, future results. Total return and value will vary, and you may have a gain or loss when shares are sold. Current performance may be lower or higher than quoted. For most recent month-end performance, visit im.natixis.com/performance. Performance for other share classes will be greater or less than shown based on differences in fees and sales charges. You may not invest directly in an index. Performance for periods less than one year is cumulative, not annualized. Returns reflect changes in share price and reinvestment of dividends and capital gains, if any. The table(s) do not reflect taxes shareholders might owe on any fund distributions or when they redeem their shares.

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ADDITIONAL INFORMATION

All investing involves risk, including the risk of loss. There is no assurance that any investment will meet its performance objectives or that losses will be avoided.

The views expressed in this report reflect those of the portfolio managers as of the dates indicated. The managers’ views are subject to change at any time without notice based on changes in market or other conditions. References to specific securities or industries should not be regarded as investment advice. Because the Fund is actively managed, there is no assurance that they will continue to invest in the securities or industries mentioned.

ADDITIONAL INDEX INFORMATION

This document may contain references to third party copyrights, indexes, and trademarks, each of which is the property of its respective owner. Such owner is not affiliated with Natixis Investment Managers or any of its related or affiliated companies (collectively “Natixis Affiliates”) and does not sponsor, endorse or participate in the provision of any Natixis Affiliates services, funds or other financial products.

The index information contained herein is derived from third parties and is provided on an “as is” basis. The user of this information assumes the entire risk of use of this information. Each of the third party entities involved in compiling, computing or creating index information disclaims all warranties (including, without limitation, any warranties of originality, accuracy, completeness, timeliness, non-infringement, merchantability and fitness for a particular purpose) with respect to such information.

PROXY VOTING INFORMATION

A description of the Natixis Funds proxy voting policies and procedures is available without charge, upon request, by calling Natixis Funds at 800-225-5478; on the Natixis Funds’ website at im.natixis.com; and on the Securities and Exchange Commission’s (“SEC’s”) website at www.sec.gov. Information regarding how the Natixis Funds voted proxies relating to portfolio securities during the most recent 12-month period ended June 30 is available from the Natixis Funds’ website and the SEC’s website.

QUARTERLY PORTFOLIO SCHEDULES

The Natixis Funds file a complete schedule of portfolio holdings with the SEC for the first and third quarters of each fiscal year as an exhibit to its reports on Form N-PORT. The Funds’ Form N-PORT reports are available on the SEC’s website at www.sec.gov. First and third quarter schedules of portfolio holdings are also available at im.natixis.com/funddocuments. A hard copy may be requested from the Fund at no charge by calling 800-225-5478.

CFA^® and Chartered Financial Analyst^® are registered trademarks owned by the CFA Institute.

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UNDERSTANDING FUND EXPENSES

As a mutual fund shareholder, you incur different costs: transaction costs, including sales charges (loads) on purchases and contingent deferred sales charges on redemptions, and ongoing costs, including management fees, distribution and/or service fees (12b-1 fees), and other fund expenses. Certain exemptions may apply. These costs are described in more detail in the Fund’s prospectus. The following examples are intended to help you understand the ongoing costs of investing in the Fund and help you compare these with the ongoing costs of investing in other mutual funds.

The first line in the table of each class of Fund shares shows the actual account values and actual Fund expenses you would have paid on a $1,000 investment in the Fund from August 1, 2022 through January 31, 2023. To estimate the expenses you paid over the period, simply divide your account value by $1,000 (for example, $8,600 account value divided by $1,000 = 8.60) and multiply the result by the number in the Expenses Paid During Period column as shown below for your class.

The second line in the table of each class of Fund shares provides information about hypothetical account values and hypothetical expenses based on the Fund’s actual expense ratios and an assumed rate of return of 5% per year before expenses, which is not the Fund’s actual return. The hypothetical account values and expenses may not be used to estimate the actual ending account balance or expenses you paid on your investment for the period. You may use this information to compare the ongoing costs of investing in the Fund and other funds. To do so, compare this 5% hypothetical example with the 5% hypothetical examples that appear in the shareholder reports of the other funds.

Please note that the expenses shown reflect ongoing costs only, and do not include any transaction costs, such as sales charges. Therefore, the second line in the table is useful in comparing ongoing costs only, and will not help you determine the relative costs of owning different funds. If transaction costs were included, total costs would be higher.

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Portfolio of Investments – as of January 31, 2023

AEW Global Focused Real Estate Fund

See accompanying notes to financial statements.

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Portfolio of Investments – as of January 31, 2023

AEW Global Focused Real Estate Fund – (continued)

Industry Summary at January 31, 2023

Currency Exposure Summary at January 31, 2023

See accompanying notes to financial statements.

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Statement of Assets and Liabilities

January 31, 2023

See accompanying notes to financial statements.

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Statement of Operations

For the Year Ended January 31, 2023

See accompanying notes to financial statements.

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Statement of Changes in Net Assets

See accompanying notes to financial statements.

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Financial Highlights

For a share outstanding throughout each period.

See accompanying notes to financial statements.

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Financial Highlights (continued)

For a share outstanding throughout each period.

See accompanying notes to financial statements.

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Financial Highlights (continued)

For a share outstanding throughout each period.

See accompanying notes to financial statements.

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Financial Highlights (continued)

For a share outstanding throughout each period.

See accompanying notes to financial statements.

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Notes to Financial Statements

January 31, 2023

1.  Organization.  Natixis Funds Trust IV (the “Trust”) is organized as a Massachusetts business trust. The Trust is registered under the Investment Company Act of 1940, as amended (the “1940 Act”), as an open-end management investment company. The Declaration of Trust permits the Board of Trustees to authorize the issuance of an unlimited number of shares of the Trust in multiple series. The financial statements for certain funds of the Trust are presented in separate reports. Information presented in this report pertains to AEW Global Focused Real Estate Fund (the “Fund”).

The Fund is a diversified investment company.

The Fund offers Class A, Class C, Class N and Class Y shares.

Class A shares are sold with a maximum front-end sales charge of 5.75%. Class C shares do not pay a front-end sales charge, pay higher Rule 12b-1 fees than Class A shares for eight years (at which point they automatically convert to Class A shares) (prior to May 1, 2021, Class C shares automatically converted to Class A shares after ten years) and may be subject to a contingent deferred sales charge (“CDSC”) of 1.00% if those shares are redeemed within one year of acquisition, except for reinvested distributions. Class N and Class Y shares do not pay a front-end sales charge, a CDSC or Rule 12b-1 fees. Class N shares are offered with an initial minimum investment of $1,000,000. Class Y shares are offered with an initial minimum investment of $100,000. Certain categories of investors are exempted from the minimum investment amounts for Class N and Class Y as outlined in the Fund’s prospectus.

Most expenses can be directly attributed to a Fund. Expenses which cannot be directly attributed to a Fund are generally apportioned based on the relative net assets of each of the Funds in Natixis Funds Trust I, Natixis Funds Trust II, Natixis Funds Trust IV and Gateway Trust (“Natixis Funds Trusts”), Loomis Sayles Funds I and Loomis Sayles Funds II (“Loomis Sayles Funds Trusts”) and Natixis ETF Trust and Natixis ETF Trust II (“Natixis ETF Trusts”). Expenses of the Fund are borne pro rata by the holders of each class of shares, except that each class bears expenses unique to that class (such as the Rule 12b-1 fees applicable to Class A and Class C), and transfer agent fees are borne collectively for Class A, Class C and Class Y and individually for Class N. In addition, each class votes as a class only with respect to its own Rule 12b-1 Plan. Shares of each class would receive their pro rata share of the net assets of the Fund if the Fund were liquidated. The Trustees approve separate distributions from net investment income on each class of shares.

2.  Significant Accounting Policies.  The following is a summary of significant accounting policies consistently followed by the Fund in the preparation of its financial statements. The Fund’s financial statements follow the accounting and reporting guidelines provided for investment companies and are prepared in accordance with accounting principles generally accepted in the United States of America which require the use of management estimates that affect the reported amounts and disclosures in the financial statements. Actual results could differ from those estimates. Management has evaluated the events and transactions subsequent to year-end through the date the financial statements were issued and has determined that there were no material events that would require disclosure in the Fund’s financial statements.

a.  Valuation.  Registered investment companies are required to value portfolio investments using an unadjusted, readily available market quotation. Each Fund obtains readily available market quotations from independent pricing services. Fund investments for which readily available market quotations are not available are priced at fair value pursuant to the Funds’ Valuation Procedures. The Board of Trustees has approved a valuation designee who is subject to the Board’s oversight.

Unadjusted readily available market quotations that are utilized for exchange traded equity securities (including shares of closed-end investment companies and exchange-traded funds) include the last sale price quoted on the exchange where the security is traded most extensively. Shares of open-end investment companies are valued at net asset value per share.

Exchange traded equity securities for which there is no reported sale during the day are fair valued at the closing bid quotation as reported by an independent pricing service. Unlisted equity securities (except unlisted preferred equity securities) are fair valued at the last sale price quoted in the market where they are traded most extensively or, if there is no reported sale during the day, the closing bid quotation as reported by an independent pricing service. If there is no last sale price or closing bid quotation available, unlisted equity securities will be fair valued using evaluated bids furnished by an independent pricing service, if available.

Debt securities and unlisted preferred equity securities are fair valued based on evaluated bids furnished to the Fund by an independent pricing service or bid prices obtained from broker-dealers. Broker-dealer bid prices may be used to fair value debt and unlisted equities where an independent pricing service is unable to price an investment or where an independent pricing service does not provide a reliable price for the investment.

The Fund may also fair value investments in other circumstances such as when extraordinary events occur after the close of a foreign market, but prior to the close of the New York Stock Exchange. This may include situations relating to a single issuer (such as a declaration of bankruptcy or a delisting of the issuer’s security from the primary market on which it has traded) as well as events affecting the securities markets in general (such as market disruptions or closings and significant fluctuations in U.S. and/or foreign markets). When fair valuing a Fund’s investments, the valuation designee may, among other things, use modeling tools or other

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Notes to Financial Statements (continued)

January 31, 2023

processes that may take into account factors such as issuer specific information, or other related market activity and/or information that occurred after the close of the foreign market but before the time the Fund’s net asset value (“NAV”) is calculated. Fair valuation by the Fund’s valuation designee may require subjective determinations about the value of the investment, and fair values used to determine a Fund’s NAV may differ from quoted or published prices, or from prices that are used by others, for the same investments. In addition, the use of fair value pricing may not always result in adjustments to the prices of investments held by a Fund.

b.  Investment Transactions and Related Investment Income.  Investment transactions are accounted for on a trade date plus one day basis for daily NAV calculation. However, for financial reporting purposes, investment transactions are reported on the trade date. Dividend income (including income reinvested) and foreign withholding tax, if applicable, is recorded on the ex-dividend date, or in the case of certain foreign securities, as soon as the Fund is notified, and interest income is recorded on an accrual basis. Distributions received from investments in securities that represent a return of capital or capital gain are recorded as a reduction of cost of investments or as a realized gain, respectively. The calendar year-end amounts of ordinary income, capital gains, and return of capital included in dividends received from the Fund’s investments in real estate investment trusts (“REITs”) are reported to the Fund after the end of the calendar year; accordingly, the Fund estimates these amounts for accounting purposes until the characterization of REIT distributions is reported to the Fund after the end of the calendar year. Estimates for the period from January 1 through January 31, 2023 are included in the Statement of Operations. Estimates are based on the most recent REIT distribution information available. Interest income is increased by the accretion of discount and decreased by the amortization of premium, if applicable. In determining net gain or loss on securities sold, the cost of securities has been determined on an identified cost basis. Investment income, non-class-specific expenses and realized and unrealized gains and losses are allocated on a pro rata basis to each class based on the relative net assets of each class to the total net assets of the Fund.

c.  Foreign Currency Translation.  The books and records of the Fund are maintained in U.S. dollars. The values of securities, currencies and other assets and liabilities denominated in currencies other than U.S. dollars, if any, are translated into U.S. dollars based upon foreign exchange rates prevailing at the end of the period. Purchases and sales of investment securities, income and expenses are translated into U.S. dollars on the respective dates of such transactions.

Net realized foreign exchange gains or losses arise from sales of foreign currency, changes in exchange rates between the trade and settlement dates on securities transactions and the difference between the amounts of dividends, interest and foreign withholding taxes recorded in the Fund’s books and records and the U.S. dollar equivalent of the amounts actually received or paid. Net unrealized foreign exchange gains or losses arise from changes in the value of assets and liabilities, other than investment securities, as of the end of the fiscal period, resulting from changes in exchange rates. Net realized foreign exchange gains or losses and the net change in unrealized foreign exchange gains or losses are disclosed in the Statement of Operations. For federal income tax purposes, net realized foreign exchange gains or losses are characterized as ordinary income, and may, if the Fund has net losses, reduce the amount of income available to be distributed by the Fund.

The values of investment securities are presented at the foreign exchange rates prevailing at the end of the period for financial reporting purposes. Net realized and unrealized gains or losses on investments reported in the Statement of Operations reflect gains or losses resulting from changes in exchange rates and fluctuations which arise due to changes in market prices of investment securities.

The Fund may use foreign currency exchange contracts to facilitate transactions in foreign-denominated investments. Losses may arise from changes in the value of the foreign currency or if the counterparties do not perform under the contracts’ terms.

d.  Federal and Foreign Income Taxes.  The Fund intends to meet the requirements of the Internal Revenue Code of 1986, as amended, applicable to regulated investment companies, and to distribute to its shareholders substantially all of its net investment income and any net realized capital gains at least annually. Management has performed an analysis of the Fund’s tax positions for the open tax years as of January 31, 2023 and has concluded that no provisions for income tax are required. The Fund’s federal tax returns for the prior three fiscal years remain subject to examination by the Internal Revenue Service. Management is not aware of any events that are reasonably possible to occur in the next twelve months that would result in the amounts of any unrecognized tax benefits significantly increasing or decreasing for the Fund. However, management’s conclusions regarding tax positions taken may be subject to review and adjustment at a later date based on factors including, but not limited to, new tax laws and accounting regulations and interpretations thereof.

The Fund may be subject to foreign withholding taxes on investment income and taxes on capital gains on investments that are accrued and paid based upon the Fund’s understanding of the tax rules and regulations that exist in the countries in which the Fund invests. Foreign withholding taxes on dividend and interest income are reflected on the Statement of Operations as a reduction of investment income, net of amounts that have been or are expected to be reclaimed and paid. Dividends and interest receivable on the Statement of Assets and Liabilities are net of foreign withholding taxes. Foreign withholding taxes where reclaims have been or are expected to be filed and paid are reflected on the Statement of Assets and Liabilities as tax reclaims receivable. Capital gains taxes

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Notes to Financial Statements (continued)

January 31, 2023

paid are included in net realized gain (loss) on investments in the Statement of Operations. Accrued but unpaid capital gains taxes are reflected as foreign taxes payable on the Statement of Assets and Liabilities, if applicable, and reduce unrealized gains on investments. In the event that realized gains on investments are subsequently offset by realized losses, taxes paid on realized gains may be returned to the Fund. Such amounts, if applicable, are reflected as foreign tax rebates receivable on the Statement of Assets and Liabilities and are recorded as a realized gain when received.

e.  Dividends and Distributions to Shareholders.  Dividends and distributions are recorded on the ex-dividend date. The timing and characterization of certain income and capital gain distributions are determined annually in accordance with federal tax regulations, which may differ from accounting principles generally accepted in the United States of America. When the Fund identifies the character of distributions paid by REITs in the previous calendar year, certain distributions to Fund shareholders may be redesignated as capital gain distributions or, if in excess of taxable income, as a return of capital. Permanent differences are primarily due to differing treatments for book and tax purposes of items such as foreign currency gains and losses, passive foreign investment company adjustments and distribution re-designations. Permanent book and tax basis differences relating to shareholder distributions, net investment income, and net realized gains will result in reclassifications to the capital accounts reported on the Statement of Assets and Liabilities. Temporary differences between book and tax distributable earnings are primarily due to deferred Trustees’ fees, passive foreign investment company adjustments and wash sales. Amounts of income and capital gain available to be distributed on a tax basis are determined annually, and at other times during the Fund’s fiscal year as may be necessary to avoid knowingly declaring and paying a return of capital distribution. Distributions from net investment income and short-term capital gains are considered to be distributed from ordinary income for tax purposes.

The tax characterization of distributions is determined on an annual basis. The tax character of distributions paid to shareholders during the years ended January 31, 2023 and 2022 was as follows:

Distributions paid to shareholders from net investment income and net realized capital gains, based on accounting principles generally accepted in the United States of America, are consolidated and reported on the Statement of Changes in Net Assets as Distributions to Shareholders. Distributions paid to shareholders from net investment income and net realized capital gains expressed in per-share amounts, based on accounting principles generally accepted in the United States of America, are separately stated and reported within the Financial Highlights.

As of January 31, 2023, the components of distributable earnings on a tax basis were as follows:

As of January 31, 2023, the tax cost of investments and unrealized appreciation (depreciation) on a federal tax basis were as follows:

The difference between these amounts and those reported in the components of distributable earnings, if any, is primarily attributable to foreign currency mark-to-market.

f.  Repurchase Agreements.  The Fund may enter into repurchase agreements, under the terms of a Master Repurchase Agreement, under which the Fund acquires securities as collateral and agrees to resell the securities at an agreed upon time and at an agreed upon price. It is the Fund’s policy that the market value of the collateral for repurchase agreements be at least equal to 102% of the

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Notes to Financial Statements (continued)

January 31, 2023

repurchase price, including interest. Certain repurchase agreements are tri-party arrangements whereby the collateral is held in a segregated account for the benefit of the Fund and on behalf of the counterparty. Repurchase agreements could involve certain risks in the event of default or insolvency of the counterparty including possible delays or restrictions upon the Fund’s ability to dispose of the underlying securities. As of January 31, 2023, the Fund had an investment in a repurchase agreement for which the value of the related collateral exceeded the value of the repurchase agreement. The gross value of repurchase agreements is included in the Statement of Assets and Liabilities for financial reporting purposes.

g.  Securities Lending.  The Fund has entered into an agreement with State Street Bank and Trust Company (“State Street Bank”), as agent of the Fund, to lend securities to certain designated borrowers. The loans are collateralized with cash or securities in an amount equal to at least 105% or 102% of the market value (including accrued interest) of the loaned international or domestic securities, respectively, when the loan is initiated. Thereafter, the value of the collateral must remain at least 102% of the market value (including accrued interest) of loaned securities for U.S. equities and U.S. corporate debt; at least 105% of the market value (including accrued interest) of loaned securities for non-U.S. equities; and at least 100% of the market value (including accrued interest) of loaned securities for U.S. Government securities, sovereign debt issued by non-U.S. Governments and non-U.S. corporate debt. In the event that the market value of the collateral falls below the required percentages described above, the borrower will deliver additional collateral on the next business day. As with other extensions of credit, the Fund may bear the risk of loss with respect to the investment of the collateral. The Fund invests cash collateral in short-term investments, a portion of the income from which is remitted to the borrowers and the remainder allocated between the Fund and State Street Bank as lending agent.

For the year ended January 31, 2023, the Fund did not loan securities under this agreement.

h.  Indemnifications.  Under the Trust’s organizational documents, its officers and Trustees are indemnified against certain liabilities arising out of the performance of their duties to the Fund. Additionally, in the normal course of business, the Fund enters into contracts with service providers that contain general indemnification clauses. The Fund’s maximum exposure under these arrangements is unknown as this would involve future claims that may be made against the Fund that have not yet occurred. However, based on experience, the Fund expects the risk of loss to be remote.

i.  New Accounting Pronouncement.  In June 2022, the Financial Accounting Standards Board issued Accounting Standards Update 2022-03, “Fair Value Measurement of Equity Securities Subject to Contractual Sale Restrictions” (“ASU 2022-03”). ASU 2022-03 clarifies the guidance in ASC 820 related to the measurement of fair value of an equity security subject to contractual sale restrictions, eliminating the ability to apply a discount to the fair value of such securities, and introducing related disclosure requirements. The guidance is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2023, and allows for early adoption. Management is currently evaluating the impact of applying this update.

3.  Fair Value Measurements.  In accordance with accounting standards related to fair value measurements and disclosures, the Fund has categorized the inputs utilized in determining the value of the Fund’s assets or liabilities. These inputs are summarized in the three broad levels listed below:

The inputs or methodology used for valuing securities are not necessarily an indication of the risk associated with investing in those securities.

The Fund’s pricing policies have been approved by the Board of Trustees. Investments for which market quotations are readily available are categorized in Level 1. Other investments for which an independent pricing service is utilized are categorized in Level 2. Broker-dealer bid prices for which the Fund has knowledge of the inputs used by the broker-dealer are categorized in Level 2. All other investments, including broker-dealer bid prices for which the Fund does not have knowledge of the inputs used by the broker-dealer, as well as investments fair valued by the valuation designee, are categorized in Level 3. All Level 2 and 3 securities are defined as being fair valued.

Under certain conditions and based upon specific facts and circumstances, the Fund’s valuation designee may determine that a fair valuation should be made for portfolio investment(s). These valuation designee fair valuations will be based upon a significant amount of Level 3 inputs.

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Notes to Financial Statements (continued)

January 31, 2023

The following is a summary of the inputs used to value the Fund’s investments as of January 31, 2023, at value:

Asset Valuation Inputs

4.  Purchases and Sales of Securities.  For the year ended January 31, 2023, purchases and sales of securities (excluding short-term investments) were $95,387,582 and $121,823,830, respectively.

5.  Management Fees and Other Transactions with Affiliates.

a.  Management Fees.  AEW Capital Management, L.P. (“AEW”) serves as the investment adviser to the Fund. AEW is a wholly-owned subsidiary of Natixis Investment Managers, LLC, which is part of Natixis Investment Managers, an international asset management group based in Paris, France. Under the terms of the management agreement, the Fund pays a management fee at the annual rate of 0.75%, calculated daily and payable monthly, based on the Fund’s average daily net assets.

AEW has given a binding undertaking to the Fund to waive management fees and/or reimburse certain expenses to limit the Fund’s operating expenses, exclusive of acquired fund fees and expenses, brokerage expenses, interest expense, taxes, organizational and extraordinary expenses such as litigation and indemnification expenses. This undertaking is in effect until May 31, 2023, may be terminated before then only with the consent of the Fund’s Board of Trustees, and is reevaluated on an annual basis. Management fees payable, as reflected on the Statement of Assets and Liabilities, is net of waivers and/or expense reimbursements, if any, pursuant to these undertakings. Waivers/reimbursements that exceed management fees payable are reflected on the Statement of Assets and Liabilities as receivable from investment adviser.

For the year ended January 31, 2023, the expense limits as a percentage of average daily net assets under the expense limitation agreement were as follows:

AEW shall be permitted to recover expenses borne under the expense limitation agreement (whether through waiver of management fees or otherwise) on a class by class basis in later periods to the extent the annual operating expenses of a class fall below both (1) a class’ expense limitation ratio in place at the time such amounts were waived/reimbursed and (2) a class’ current applicable expense limitation ratio, provided, however, that a class is not obligated to pay such waived/reimbursed fees or expenses more than one year after the end of the fiscal year in which the fees or expenses were waived/reimbursed.

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Notes to Financial Statements (continued)

January 31, 2023

For the year ended January 31, 2023, the management fees and waiver of management fees for the Fund were as follows:

No expenses were recovered during the year ended January 31, 2023 under the terms of the expense limitation agreement.

b.  Service and Distribution Fees.  Natixis Distribution, LLC (“Natixis Distribution”), which is a wholly-owned subsidiary of Natixis Investment Managers, LLC, has entered into a distribution agreement with the Trust. Pursuant to this agreement, Natixis Distribution serves as principal underwriter of the Fund.

Pursuant to Rule 12b-1 under the 1940 Act, the Trust has adopted a Service Plan relating to the Fund’s Class A shares (the “Class A Plan”) and a Distribution and Service Plan relating to the Fund’s Class C shares (the “Class C Plan”).

Under the Class A Plan, the Fund pays Natixis Distribution a monthly service fee at an annual rate not to exceed 0.25% of the average daily net assets attributable to the Fund’s Class A shares, as reimbursement for expenses incurred by Natixis Distribution in providing personal services to investors in Class A shares and/or the maintenance of shareholder accounts.

Under the Class C Plan, the Fund pays Natixis Distribution a monthly service fee at an annual rate not to exceed 0.25% of the average daily net assets attributable to the Fund’s Class C shares, as compensation for services provided by Natixis Distribution in providing personal services to investors in Class C shares and/or the maintenance of shareholder accounts.

Also under the Class C Plan, the Fund pays Natixis Distribution a monthly distribution fee at the annual rate of 0.75% of the average daily net assets attributable to the Fund’s Class C shares, as compensation for services provided by Natixis Distribution in connection with the marketing or sale of Class C shares.

For the year ended January 31, 2023, the service and distribution fees for the Fund were as follows:

c.  Administrative Fees.  Natixis Advisors, LLC (“Natixis Advisors”) provides certain administrative services for the Fund and contracts with State Street Bank to serve as sub-administrator. Natixis Advisors is a wholly-owned subsidiary of Natixis Investment Managers, LLC. Pursuant to an agreement among Natixis Funds Trusts, Loomis Sayles Funds Trusts, Natixis ETF Trusts and Natixis Advisors, the Fund pays Natixis Advisors monthly its pro rata portion of fees equal to an annual rate of 0.0540% of the first $15 billion of the average daily net assets of the Natixis Funds Trusts, Loomis Sayles Funds Trusts and Natixis ETF Trusts, 0.0500% of the next $15 billion, 0.0400% of the next $30 billion, 0.0275% of the next $30 billion and 0.0225% of such assets in excess of $90 billion, subject to an annual aggregate minimum fee for the Natixis Funds Trusts, Loomis Sayles Funds Trusts and Natixis ETF Trusts of $10 million, which is reevaluated on an annual basis.

For the year ended January 31, 2023, the administrative fees were as follows:

d.  Sub-Transfer Agent Fees.  Natixis Distribution has entered into agreements, which include servicing agreements, with financial intermediaries that provide recordkeeping, processing, shareholder communications and other services to customers of the intermediaries that hold positions in the Fund and has agreed to compensate the intermediaries for providing those services. Intermediaries transact with the Fund primarily through the use of omnibus accounts on behalf of their customers who hold positions in the Fund. These services would have been provided by the Fund’s transfer agent and other service providers if the shareholders’ accounts were maintained directly at the Fund’s transfer agent. Accordingly, the Fund has agreed to reimburse Natixis Distribution for all or a portion of the servicing fees paid to these intermediaries. The reimbursement amounts (sub-transfer agent fees) paid to Natixis Distribution are subject to a current per-account equivalent fee limit approved by the Fund’s Board of Trustees, which is based on fees for similar services paid to the Fund’s transfer agent and other service providers. Class N shares do not bear such expenses.

For the year ended January 31, 2023, the sub-transfer agent fees (which are reflected in transfer agent fees and expenses in the Statement of Operations) for the Fund were $82,586.

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Notes to Financial Statements (continued)

January 31, 2023

As of January 31, 2023, the Fund owes Natixis Distribution $1,310 in reimbursements for sub-transfer agent fees (which are reflected in the Statement of Assets and Liabilities as payable to distributor).

Sub-transfer agent fees attributable to Class A, Class C and Class Y are allocated on a pro rata basis to each class based on the relative net assets of each class to the total net assets of those classes.

e.  Commissions.  Commissions (including CDSCs) on Fund shares retained by Natixis Distribution during the year ended January 31, 2023 amounted to $769.

f.  Trustees Fees and Expenses.  The Trust does not pay any compensation directly to its officers or Trustees who are directors, officers or employees of Natixis Advisors, Natixis Distribution, Natixis Investment Managers, LLC or their affiliates. The Chairperson of the Board of Trustees receives a retainer fee at the annual rate of $369,000. The Chairperson does not receive any meeting attendance fees for Board of Trustees meetings or committee meetings that he attends. Each Independent Trustee (other than the Chairperson) receives, in the aggregate, a retainer fee at the annual rate of $210,000. Each Independent Trustee also receives a meeting attendance fee of $10,000 for each meeting of the Board of Trustees that he or she attends in person and $5,000 for each meeting of the Board of Trustees that he or she attends telephonically. In addition, the chairperson of the Contract Review Committee, the chairperson of the Audit Committee and the chairperson of the Governance Committee each receive an additional retainer fee at the annual rate of $20,000. Each Contract Review Committee member is compensated $6,000 for each Committee meeting that he or she attends in person and $3,000 for each meeting that he or she attends telephonically. Each Audit Committee member is compensated $6,000 for each Committee meeting that he or she attends in person and $3,000 for each meeting that he or she attends telephonically. These fees are allocated among the funds in the Natixis Funds Trusts, Loomis Sayles Funds Trusts and Natixis ETF Trusts based on a formula that takes into account, among other factors, the relative net assets of each fund. Trustees are reimbursed for travel expenses in connection with attendance at meetings.

Effective January 1, 2023, each Governance Committee member is compensated $2,500 for each Committee meeting that he or she attends either in person or telephonically.

A deferred compensation plan (the “Plan”) is available to the Trustees on a voluntary basis. The value of a participating Trustee’s deferral account is based on theoretical investments of deferred amounts, on the normal payment dates, in certain funds of the Natixis Funds Trusts, Loomis Sayles Funds Trusts and Natixis ETF Trusts as designated by the participating Trustees. Changes in the value of participants’ deferral accounts are allocated pro rata among the funds in the Natixis Funds Trusts, Loomis Sayles Funds Trusts and Natixis ETF Trusts, and are normally reflected as Trustees’ fees and expenses in the Statement of Operations. Deferred amounts remain in the funds until distributed in accordance with the provisions of the Plan. The portions of the accrued obligations allocated to the Fund under the Plan are reflected as Deferred Trustees’ fees in the Statement of Assets and Liabilities.

For the year ended January 31, 2023, net depreciation in the value of participants’ deferral accounts (reflected on the Statement of Operations as a reduction to expenses) for the Fund was $(28,237).

Certain officers and employees of Natixis Advisors and its affiliates are also officers and/or Trustees of the Trust.

g.  Reimbursement of Transfer Agent Fees and Expenses.  Natixis Advisors has given a binding contractual undertaking to the Fund to reimburse any and all transfer agency expenses for the Fund’s Class N shares. This undertaking is in effect through May 31, 2023 and is not subject to recovery under the expense limitation agreement described above.

For the year ended January 31, 2023, Natixis Advisors reimbursed the Fund $1,223 for transfer agency expenses related to Class N shares.

6.  Class-Specific Transfer Agent Fees and Expenses.  Transfer agent fees and expenses attributable to Class A, Class C and Class Y are allocated on a pro rata basis to each class based on the relative net assets of each class to the total net assets of those classes. Transfer agent fees and expenses attributable to Class N are allocated to Class N.

For the year ended January 31, 2023, the Fund incurred the following class-specific transfer agent fees and expenses (including sub-transfer agent fees, where applicable):

7.  Line of Credit.  The Fund, together with certain other funds of Natixis Funds Trusts, Loomis Sayles Funds Trusts and Natixis ETF Trusts, entered into a $500,000,000 committed unsecured line of credit provided by State Street Bank. Any one Fund may borrow up to $350,000,000 under the line of credit agreement (as long as all borrowings by all Funds in the aggregate do not exceed the $500,000,000 limit at any time), subject to each Fund’s investment restrictions and its contractual obligations under the line of credit. Interest is

21  |

Notes to Financial Statements (continued)

January 31, 2023

charged to the Funds based upon the terms set forth in the agreement. In addition, a commitment fee of 0.15% per annum, payable at the end of each calendar quarter, is accrued and apportioned among the participating funds based on their average daily unused portion of the line of credit. The Funds paid certain legal fees in connection with the line of credit agreement, which are being amortized over a period of 364 days and are reflected in legal fees on the Statement of Operations. The unamortized balance is reflected as prepaid expenses on the Statement of Assets and Liabilities.

For the year ended January 31, 2023, the Fund had an average daily balance on the line of credit (for those days on which there were borrowings) of $1,300,000 at a weighted average interest rate of 1.43%. Interest expense incurred on the line of credit was $207.

8.  Risk.  The Fund concentrates its investments in real estate securities, including REITs. A fund with a concentrated portfolio is vulnerable to the risks of the industry in which it invests and is subject to greater risks and market fluctuations than funds investing in a broader range of industries. Real estate securities are susceptible to the risks associated with direct ownership of real estate such as declining property values, increases in property taxes, operating expenses, interest rates or competition, zoning changes and losses from casualty and condemnation.

The Fund’s investments in foreign securities may be subject to greater political, economic, environmental, credit/counterparty and information risks. The Fund’s investments in foreign securities also are subject to foreign currency fluctuations and other foreign currency-related risks. Foreign securities may be subject to higher volatility than U.S. securities, varying degrees of regulation and limited liquidity.

Russia’s military invasion of Ukraine in February 2022, the resulting responses by the United States and other countries, and the potential for wider conflict could increase volatility and uncertainty in the financial markets and adversely affect regional and global economies. These and any related events could significantly impact a Fund’s performance and the value of an investment in the Fund, even if the Fund does not have direct exposure to Russian issuers or issuers in other countries affected by the invasion.

9.  Concentration of Ownership.  From time to time, a Fund may have a concentration of one or more accounts constituting a significant percentage of shares outstanding. Investment activities by holders of such accounts could have material impacts on the Fund. As of January 31, 2023, based on management’s evaluation of the shareholder account base, the Fund had accounts representing controlling ownership of more than 5% of the Fund’s total outstanding shares. The number of such accounts, based on accounts that represent more than 5% of an individual class of shares, and the aggregate percentage of net assets represented by such holdings were as follows:

Omnibus shareholder accounts for which Natixis Advisors understands that the intermediary has discretion over the underlying shareholder accounts or investment models where a shareholder account may be invested for a non-discretionary customer are included in the table above. For other omnibus accounts, the Fund does not have information on the individual shareholder accounts underlying the omnibus accounts; therefore, there could be other 5% shareholders in addition to those disclosed in the table above.

10.  Capital Shares.  The Fund may issue an unlimited number of shares of beneficial interest without par value. Transactions in capital shares were as follows: