Green Century Balanced Fund NPORTP (Oct 2024 report)

GREEN CENTURY BALANCED FUND PORTFOLIO OF INVESTMENTS

October 31, 2024

(unaudited)

COMMON STOCKS — 60.9%
	SHARES		VALUE
Software & Services — 7.6%
Adobe, Inc. (a)		6,586	$	3,148,635
Cadence Design Systems, Inc. (a)		8,732		2,411,080
Microsoft Corporation		41,806		16,987,868
Palo Alto Networks, Inc. (a)		9,238		3,328,728
ServiceNow, Inc. (a)		5,144		4,799,301
				30,675,612
Semiconductors & Semiconductor Equipment — 5.6%
Analog Devices, Inc.		11,600		2,588,076
ASML Holding NV (b)		3,740		2,515,337
NVIDIA Corporation		114,421		15,190,532
NXP Semiconductors NV (b)		9,455		2,217,197
				22,511,142
Capital Goods — 4.9%
Eaton Corporation PLC		10,408		3,451,085
Ferguson Enterprises, Inc.		15,607		3,070,521
MYR Group, Inc. (a)		14,633		1,916,923
Rockwell Automation, Inc.		7,827		2,087,539
Trane Technologies PLC		9,501		3,516,890
Westinghouse Air Brake Technologies Corporation		18,706		3,516,354
Xylem, Inc.		19,149		2,331,965
				19,891,277
Pharmaceuticals, Biotechnology & Life Sciences — 4.5%
AstraZeneca PLC ADR (b)		73,287		5,214,370
Gilead Sciences, Inc.		28,375		2,520,268
IQVIA Holdings, Inc. (a)		9,197		1,892,927
Merck & Company, Inc.		27,300		2,793,336
Novo Nordisk A/S ADR (b)		22,500		2,518,875
Thermo Fisher Scientific, Inc.		5,889		3,217,278
				18,157,054
Media & Entertainment — 4.0%
Alphabet, Inc., Class A		62,283		10,657,244
Netflix, Inc. (a)		5,000		3,780,150
Spotify Technology SA (a)(b)		5,107		1,966,706
				16,404,100

	SHARES		VALUE
Technology Hardware & Equipment — 3.7%
Apple, Inc.		66,284	$	14,974,218

Banks — 3.5%
Bank of America Corporation		100,000		4,182,000
East West Bancorp, Inc.		48,032		4,682,640
PNC Financial Services Group, Inc. (The)		28,515		5,368,519
				14,233,159
Healthcare Equipment & Services — 3.5%
Alcon, Inc. (b)		35,019		3,219,997
Elevance Health, Inc.		7,489		3,038,737
Stryker Corporation		10,759		3,833,216
UnitedHealth Group, Inc.		6,970		3,934,565
				14,026,515
Consumer Staples Distribution & Retail — 2.7%
Costco Wholesale Corporation		6,409		5,602,620
Sysco Corporation		30,845		2,311,833
Target Corporation		21,254		3,188,950
				11,103,403
Financial Services — 2.5%
Intercontinental Exchange, Inc.		17,678		2,755,470
Mastercard, Inc., Class A		14,830		7,408,920
				10,164,390
Insurance — 2.5%
Aflac, Inc.		28,265		2,961,889
Progressive Corporation (The)		15,121		3,671,832
Travelers Companies, Inc. (The)		13,908		3,420,534
				10,054,255
Consumer Discretionary Distribution & Retail — 2.4%
Home Depot, Inc. (The)		9,892		3,894,975
TJX Companies, Inc. (The)		49,595		5,605,723
Tractor Supply Company		262		69,563
				9,570,261

GREEN CENTURY BALANCED FUND PORTFOLIO OF INVESTMENTS
October 31, 2024
(unaudited)	*continued*

	SHARES		VALUE
Equity Real Estate Investment Trusts (REITs) — 1.8%
American Tower Corporation REIT		17,274	$	3,688,690
Equinix, Inc. REIT		2,596		2,357,376
Prologis, Inc. REIT		10,930		1,234,434
				7,280,500
Materials — 1.8%
Avery Dennison Corporation		11,233		2,325,568
Ball Corporation		38,581		2,285,924
International Flavors & Fragrances, Inc.		25,779		2,563,206
				7,174,698
Renewable Energy & Energy Efficiency — 1.7%
First Solar, Inc. (a)		15,473		3,009,189
Ormat Technologies, Inc.		35,154		2,777,869
Sunrun, Inc. (a)		66,322		958,353
				6,745,411
Household & Personal Products — 1.4%
Procter & Gamble Company (The)		17,374		2,869,837
Unilever PLC ADR (b)		49,477		3,013,644
				5,883,481
Transportation — 1.2%
J.B. Hunt Transport Services, Inc.		14,910		2,693,044
Union Pacific Corporation		10,254		2,379,646
				5,072,690
Consumer Services — 1.1%
Bright Horizons Family Solutions, Inc. (a)		15,357		2,049,699
Chipotle Mexican Grill, Inc. (a)		45,286		2,525,600
				4,575,299
Consumer Durables & Apparel — 1.0%
Deckers Outdoor Corporation (a)		11,568		1,861,175

	SHARES		VALUE
Consumer Durables & Apparel — (continued)
Lululemon Athletica, Inc. (a)		7,160	$	2,132,964
				3,994,139
Commercial & Professional Services — 0.7%
Verisk Analytics, Inc.		10,870		2,986,206

Utilities — 0.7%
American Water Works Company, Inc.		19,443		2,685,273

Real Estate Management & Development — 0.7%
Jones Lang LaSalle, Inc. (a)		9,787		2,651,886

Telecommunication Services — 0.5%
Verizon Communications, Inc.		49,228		2,073,976

Food & Beverage — 0.5%
McCormick & Company, Inc.		23,732		1,856,792

Automobiles & Components — 0.4%
Aptiv PLC (a)		27,341		1,553,789
Total Common Stocks
(Cost $119,806,438)				246,299,526

	PRINCIPAL AMOUNT
BONDS & NOTES — 39.0%

Green and Sustainability Bonds — 27.3%
Alphabet, Inc. 1.10%, due 8/15/30 (c)	$	6,000,000	5,009,370
Apple, Inc. 3.00%, due 6/20/27 (c)		5,000,000	4,844,655
Asian Development Bank 2.125%, due 3/19/25 (b)		1,000,000	990,741
Asian Development Bank 3.125%, due 9/26/28 (b)		4,000,000	3,855,884
AvalonBay Communities, Inc. 2.05%, due 1/15/32 (c)		6,000,000	5,037,960

GREEN CENTURY BALANCED FUND PORTFOLIO OF INVESTMENTS
October 31, 2024
(unaudited)	*continued*

	PRINCIPAL AMOUNT		VALUE
Green and Sustainability Bonds — (continued)
Boston Properties LP 4.50%, due 12/1/28 (c)	$	5,000,000	$	4,855,065
Bridge Housing Corporation 3.25%, due 7/15/30 (c)		4,500,000		3,891,784
Century Housing Corporation 5.40%, due 8/15/25		4,500,000		4,505,926
European Investment Bank 2.125%, due 4/13/26 (b)		500,000		485,075
European Investment Bank 3.75%, due 2/14/33 (b)		5,000,000		4,822,435
International Bank for Reconstruction & Development 2.125%, due 3/3/25 (b)		2,000,000		1,983,404
International Bank for Reconstruction & Development 4.00%, due 7/25/30 (b)		4,000,000		3,950,920
International Finance Corporation 2.125%, due 4/7/26 (b)		2,885,000		2,797,905
Johnson Controls International plc / Tyco Fire & Security Finance SCA 1.75%, due 9/15/30 (b)(c)		5,000,000		4,224,145
Kreditanstalt fuer Wiederaufbau 4.375%, due 2/28/34 (b)		4,000,000		4,016,752
Mastercard, Inc. 1.90%, due 3/15/31 (c)		5,000,000		4,280,600
Nederlandse Waterschapsbank NV 2.375%, due 3/24/26 (b)(d)		3,500,000		3,404,244
New Jersey Infrastructure Bank 3.00%, due 9/1/31		2,500,000		2,288,973
NXP BV / NXP Funding LLC / NXP USA, Inc. 5.00%, due 1/15/33 (b)(c)		4,500,000		4,432,662
PNC Financial Services Group, Inc. (The) 2.20%, due 11/1/24 (c)		5,000,000		5,000,000
Prologis LP 1.25%, due 10/15/30 (c)		4,500,000		3,704,800

	PRINCIPAL AMOUNT		VALUE
Green and Sustainability Bonds — (continued)
Public Finance Authority 5.292%, due 7/1/29	$	3,000,000	$	3,007,341
Salesforce, Inc. 1.50%, due 7/15/28 (c)		6,000,000		5,411,112
San Francisco Bay Area Rapid Transit District 2.622%, due 8/1/29		2,000,000		1,853,126
Starbucks Corporation 2.45%, due 6/15/26 (c)		4,500,000		4,357,782
United States International Development Finance Corporation 3.05%, due 6/15/35		1,108,500		1,022,363
United States International Development Finance Corporation 2.58%, due 7/15/38		2,604,419		2,251,137
Verizon Communications, Inc. 3.875%, due 2/8/29 (c)		5,000,000		4,839,310
Visa, Inc. 0.75%, due 8/15/27 (c)		6,000,000		5,466,570
Xylem, Inc. 2.25%, due 1/30/31 (c)		4,500,000		3,891,051
				110,483,092
U.S. Government Agencies — 5.7%
Federal Farm Credit Banks Funding Corporation 1.82%, due 12/18/25		3,000,000		2,927,937
Federal Farm Credit Banks Funding Corporation 2.80%, due 11/12/27		3,000,000		2,885,703
Federal Farm Credit Banks Funding Corporation 3.875%, due 8/15/28		4,000,000		3,953,764
Federal Farm Credit Banks Funding Corporation 1.14%, due 8/20/29 (c)		5,500,000		4,748,524

GREEN CENTURY BALANCED FUND PORTFOLIO OF INVESTMENTS
October 31, 2024
(unaudited)	*concluded*

	PRINCIPAL AMOUNT		VALUE
U.S. Government Agencies — (continued)
Federal Farm Credit Banks Funding Corporation 1.23%, due 7/29/30 (c)	$	5,000,000	$	4,177,265
Federal Home Loan Banks 3.315%, due 11/13/35		5,000,000		4,472,545
				23,165,738
Community Development Financial Institutions — 2.6%
Capital Impact Partners 1.00%, due 9/15/25 (c)		1,500,000		1,372,415
Capital Impact Partners 5.50%, due 3/15/27		3,750,000		3,757,117
Local Initiatives Support Corporation 1.00%, due 11/15/25		2,000,000		1,902,872
Local Initiatives Support Corporation 3.782%, due 3/1/27 (c)		2,000,000		1,967,364
Reinvestment Fund, Inc. (The) 3.78%, due 2/15/26		1,400,000		1,349,645
				10,349,413
Government — 1.3%
Export Development Canada 4.75%, due 6/5/34		5,000,000		5,141,605

Capital Goods — 0.8%
Trane Technologies Financing Ltd. 3.80%, due 3/21/29 (b)(c)		3,500,000		3,382,379

Equity Real Estate Investment Trusts (REITs) — 0.8%
National Community Renaissance of California 3.27%, due 12/1/32 (c)		4,000,000		3,366,520

	PRINCIPAL AMOUNT		VALUE
Municipal — 0.5%
Commonwealth of Massachusetts 4.11%, due 7/15/31 (c)	$	1,980,050	$	1,941,292
Total Bonds & Notes
(Cost $164,346,520)				157,830,039

SHORT-TERM INVESTMENTS — 0.6%
UMB Money Market Fiduciary Account, 0.01% (e) (Cost $2,501,123)				2,501,123
Total Short-term Investments
(Cost $2,501,123)				2,501,123
TOTAL INVESTMENTS — 100.5%
(Cost $286,654,081)				406,630,688
Liabilities Less Other Assets—(0.5)%				(2,023,845	)
NET ASSETS — 100.0%			$	404,606,843

PLC – Public Limited Company

ADR – American Depository Receipt

REIT – Real Estate Investment Trusts

LP – Limited Partnership

LLC – Limited Liability Company

(a)	Non-income producing security.
(b)	Securities whose value are determined or significantly influenced by trading in markets other than the United States or Canada.
(c)	Callable
(d)	Security exempt from registration under Rule 144A of the Securities Act of 1933. These securities may be resold in transactions exempt from registration to qualified institutional buyers. The total value of these securities is $3,404,244.
(e)	The rate quoted is the annualized seven-day yield of the fund at the period end.

GREEN CENTURY EQUITY FUND PORTFOLIO OF INVESTMENTS

October 31, 2024

(unaudited)

COMMON STOCKS — 100.0%
	SHARES		VALUE
Software & Services — 20.9%
Accenture PLC, Class A (a)		17,226	$	5,939,869
Adobe, Inc. (b)		12,167		5,816,799
ANSYS, Inc. (b)		2,473		792,374
Autodesk, Inc. (b)		6,122		1,737,424
Automatic Data Processing, Inc.		11,065		3,200,441
Cadence Design Systems, Inc. (b)		7,576		2,091,885
Cognizant Technology Solutions Corporation, Class A		13,875		1,034,936
Fidelity National Information Services, Inc.		14,924		1,339,131
Fortinet, Inc. (b)		17,970		1,413,520
Gen Digital, Inc.		15,913		463,227
International Business Machines Corporation		25,137		5,196,321
Intuit, Inc.		7,657		4,673,067
Microsoft Corporation		190,687		77,485,663
Okta, Inc., Class A (b)		4,375		314,519
Paycom Software, Inc.		1,478		308,946
PayPal Holdings, Inc. (b)		27,116		2,150,299
PTC, Inc. (b)		3,958		733,536
Salesforce, Inc.		26,602		7,751,025
ServiceNow, Inc. (b)		5,588		5,213,548
Teradata Corporation (b)		2,334		75,225
Visa, Inc., Class A		43,071		12,484,129
Western Union Company (The)		6,337		68,186
Workday, Inc., Class A (b)		5,877		1,374,336
ZoomInfo Technologies, Inc. (b)		6,790		75,030
				141,733,436
Semiconductors & Semiconductor Equipment — 17.2%
Advanced Micro Devices, Inc. (b)		44,056		6,347,148
Analog Devices, Inc.		13,571		3,027,826
Applied Materials, Inc.		22,771		4,134,758
Intel Corporation		117,034		2,518,572
Lam Research Corporation		35,880		2,667,678
Microchip Technology, Inc.		15,268		1,120,213
NVIDIA Corporation		668,190		88,708,904
NXP Semiconductors NV (a)		7,023		1,646,894
ON Semiconductor Corporation (b)		12,017		847,078
Skyworks Solutions, Inc.		4,591		402,080

	SHARES		VALUE
Semiconductors & Semiconductor Equipment — (continued)
Texas Instruments, Inc.		24,915	$	5,061,731
				116,482,882
Media & Entertainment — 8.6%
Alphabet, Inc., Class A		159,201		27,240,883
Alphabet, Inc., Class C		137,813		23,798,927
Electronic Arts, Inc.		7,217		1,088,684
John Wiley & Sons, Inc., Class A		1,195		58,914
New York Times Company (The), Class A		4,705		262,727
Omnicom Group, Inc.		5,578		563,378
Scholastic Corporation		537		13,334
Walt Disney Company (The)		49,938		4,804,036
Warner Bros Discovery, Inc. (b)		64,841		527,157
				58,358,040
Financial Services — 6.6%
Ally Financial, Inc.		7,840		274,792
American Express Company		15,737		4,250,249
Ameriprise Financial, Inc.		2,398		1,223,699
Bank of New York Mellon Corporation (The)		20,481		1,543,448
BlackRock, Inc.		4,090		4,012,413
Charles Schwab Corporation (The)		41,344		2,928,396
CME Group, Inc.		9,769		2,201,542
Equitable Holdings, Inc.		8,639		391,692
FactSet Research Systems, Inc.		974		442,254
Franklin Resources, Inc.		7,424		154,197
Intercontinental Exchange, Inc.		15,648		2,439,054
Invesco Ltd.		8,227		142,656
Mastercard, Inc., Class A		22,744		11,362,675
Moody’s Corporation		4,509		2,047,266
Morgan Stanley		33,613		3,907,511
Nasdaq, Inc.		11,666		862,351
Northern Trust Corporation		5,441		546,929
S&P Global, Inc.		8,741		4,198,827
State Street Corporation		8,244		765,043
Synchrony Financial		11,126		613,488
T. Rowe Price Group, Inc.		6,057		665,422

GREEN CENTURY EQUITY FUND PORTFOLIO OF INVESTMENTS
October 31, 2024
(unaudited)	*continued*

	SHARES		VALUE
Financial Services — (continued)
Voya Financial, Inc.		2,177	$	174,813
				45,148,717
Pharmaceuticals, Biotechnology & Life Sciences — 6.4%
AbbVie, Inc.		48,234		9,833,466
Agilent Technologies, Inc.		7,990		1,041,177
Amgen, Inc.		14,632		4,684,581
Biogen, Inc. (b)		3,951		687,474
BioMarin Pharmaceutical, Inc. (b)		5,079		334,655
Bio-Techne Corporation		4,230		311,963
Bristol-Myers Squibb Company		55,015		3,068,187
Danaher Corporation		18,302		4,496,069
Gilead Sciences, Inc.		33,964		3,016,682
Illumina, Inc. (b)		4,266		614,901
IQVIA Holdings, Inc. (b)		4,976		1,024,160
Jazz Pharmaceuticals PLC (a)(b)		1,294		142,379
Merck & Company, Inc.		69,066		7,066,833
Mettler-Toledo International, Inc. (b)		589		760,841
Vertex Pharmaceuticals, Inc. (b)		7,081		3,370,414
Waters Corporation (b)		1,617		522,469
Zoetis, Inc.		12,475		2,230,281
				43,206,532
Capital Goods — 6.1%
3M Company		15,067		1,935,657
A.O. Smith Corporation		3,506		263,301
AGCO Corporation		1,507		150,459
Air Lease Corporation, Class A		2,574		114,157
Allegion PLC (a)		2,360		329,527
Applied Industrial Technologies, Inc.		1,079		249,886
Builders FirstSource, Inc. (b)		3,382		579,675
Carrier Global Corporation		22,322		1,623,256
Caterpillar, Inc.		13,229		4,976,750
CNH Industrial NV (a)		20,898		234,685
Cummins, Inc.		3,759		1,236,636
Deere & Company		7,144		2,891,105
Dover Corporation		3,687		698,060
Eaton Corporation PLC		11,009		3,650,364
EMCOR Group, Inc.		1,308		583,460

	SHARES		VALUE
Capital Goods — (continued)
Fastenal Company		16,200	$	1,266,516
Ferguson Enterprises, Inc.		5,625		1,106,662
Flowserve Corporation		2,941		154,814
Fortive Corporation		9,308		664,870
Fortune Brands Innovations, Inc.		3,000		249,990
Graco, Inc.		4,541		369,864
Granite Construction, Inc.		1,230		103,381
IDEX Corporation		1,732		371,756
Illinois Tool Works, Inc.		8,086		2,111,497
Lennox International, Inc.		919		553,762
Lincoln Electric Holdings, Inc.		1,521		292,884
Masco Corporation		6,006		479,939
Middleby Corporation (The) (b)		1,253		162,514
Owens Corning		2,421		428,009
PACCAR, Inc.		14,595		1,521,967
Pentair PLC (a)		4,190		415,313
Quanta Services, Inc.		4,064		1,225,824
Rockwell Automation, Inc.		3,054		814,532
Roper Technologies, Inc.		3,130		1,683,095
Sensata Technologies Holding PLC		3,742		128,500
Snap-on, Inc.		1,347		444,685
Stanley Black & Decker, Inc.		4,006		372,318
Tennant Company		403		35,287
Timken Company (The)		1,336		110,888
Trane Technologies PLC		6,243		2,310,909
United Rentals, Inc.		1,846		1,500,429
W.W. Grainger, Inc.		1,249		1,385,428
Westinghouse Air Brake Technologies Corporation		4,878		916,966
Xylem, Inc.		6,711		817,266
				41,516,843
Consumer Discretionary Distribution & Retail — 3.7%
AutoNation, Inc. (b)		664		103,232
Best Buy Company, Inc.		5,640		510,025
Booking Holdings, Inc.		934		4,367,618
Buckle, Inc. (The)		825		35,112
CarMax, Inc. (b)		4,278		309,642
Foot Locker, Inc.		2,330		54,033
GameStop Corporation, Class A (b)		11,071		245,555
Gap, Inc. (The)		6,246		129,729

GREEN CENTURY EQUITY FUND PORTFOLIO OF INVESTMENTS
October 31, 2024
(unaudited)	*continued*

	SHARES		VALUE
Consumer Discretionary Distribution & Retail — (continued)
Home Depot, Inc. (The)		27,108	$	10,673,775
Kohl’s Corporation		2,823		52,169
LKQ Corporation		6,782		249,510
Lowe’s Companies, Inc.		15,655		4,098,949
Nordstrom, Inc.		2,841		64,235
ODP Corporation (The) (b)		814		25,258
Pool Corporation		1,005		363,448
Signet Jewelers Ltd.		1,284		117,717
Target Corporation		12,714		1,907,609
Tractor Supply Company		2,991		794,140
Ulta Beauty, Inc. (b)		1,331		491,112
Williams-Sonoma, Inc.		3,656		490,379
				25,083,247
Food & Beverage — 3.4%
Archer-Daniels-Midland Company		13,608		751,298
Bunge Global SA		3,922		329,526
Campbell Soup Company		4,507		210,252
Coca-Cola Company (The)		112,686		7,359,523
Conagra Brands, Inc.		10,897		315,359
Darling Ingredients, Inc. (b)		4,018		157,144
General Mills, Inc.		14,770		1,004,655
Hormel Foods Corporation		7,838		239,451
Ingredion, Inc.		1,693		224,763
JM Smucker Company (The)		2,700		306,477
Kellanova		7,389		595,923
Keurig Dr Pepper, Inc.		29,266		964,315
Kraft Heinz Company (The)		24,667		825,358
Lamb Weston Holdings, Inc.		3,918		304,389
McCormick & Company, Inc.		6,635		519,122
Mondelez International, Inc., Class A		36,579		2,504,930
PepsiCo, Inc.		37,962		6,304,729
				22,917,214
Healthcare Equipment & Services — 3.3%
Align Technology, Inc. (b)		1,976		405,139
Becton, Dickinson & Company		7,844		1,832,280
Cardinal Health, Inc.		6,842		742,494
Cencora, Inc.		4,999		1,140,172

	SHARES		VALUE
Healthcare Equipment & Services — (continued)
Centene Corporation (b)		14,466	$	900,653
Cigna Group (The)		7,797		2,454,574
Cooper Cos., Inc. (The) (b)		5,234		547,895
DaVita, Inc. (b)		1,420		198,530
DENTSPLY SIRONA, Inc.		4,236		98,148
DexCom, Inc. (b)		10,935		770,699
Edwards Lifesciences Corporation (b)		16,601		1,112,433
Elevance Health, Inc.		6,375		2,586,720
HCA Healthcare, Inc.		5,348		1,918,542
Henry Schein, Inc. (b)		3,231		226,913
Hologic, Inc. (b)		6,056		489,749
Humana, Inc.		3,272		843,620
IDEXX Laboratories, Inc. (b)		2,314		941,613
Insulet Corporation (b)		1,908		441,759
Laboratory Holdings, Inc.		2,163		493,748
Patterson Companies, Inc.		1,973		41,453
Pediatrix Medical Group, Inc. (b)		1,714		21,116
Quest Diagnostics, Inc.		2,942		455,510
ResMed, Inc.		4,054		982,973
Select Medical Holdings Corporation		3,015		96,721
STERIS PLC		2,650		587,903
Teladoc Health, Inc. (b)		4,124		37,116
Veeva Systems, Inc., Class A (b)		4,239		885,230
West Pharmaceutical Services, Inc.		1,993		613,704
Zimmer Biomet Holdings, Inc.		5,355		572,557
				22,439,964
Renewable Energy & Energy Efficiency — 3.2%
Acuity Brands, Inc.		831		249,873
First Solar, Inc. (b)		2,816		547,656
Itron, Inc. (b)		1,302		145,512
Johnson Controls International, PLC (a)		18,448		1,393,746
Ormat Technologies, Inc.		1,343		106,124
Tesla, Inc. (b)		78,255		19,552,012
				21,994,923

GREEN CENTURY EQUITY FUND PORTFOLIO OF INVESTMENTS
October 31, 2024
(unaudited)	*continued*

	SHARES		VALUE
Equity Real Estate Investment Trusts (REITs) — 3.2%
American Tower Corporation REIT		12,797	$	2,732,671
Anywhere Real Estate, Inc. (b)		2,732		10,546
AvalonBay Communities, Inc. REIT		3,835		849,874
BXP, Inc. REIT		3,850		310,156
CBRE Group, Inc., Class A (b)		8,480		1,110,626
COPT Defense Properties REIT		1,136		36,579
Crown Castle, Inc. REIT		11,754		1,263,438
Digital Realty Trust, Inc. REIT		8,971		1,598,901
Equinix, Inc. REIT		2,603		2,363,732
Equity Residential REIT		9,228		649,374
Federal Realty Investment Trust REIT		1,623		179,893
Healthpeak Properties, Inc.		18,284		410,476
Host Hotels & Resorts, Inc. REIT		19,629		338,404
Iron Mountain, Inc. REIT		8,003		990,211
Jones Lang LaSalle, Inc. (b)		1,351		366,067
Macerich Company (The) REIT		6,428		120,204
PotlatchDeltic Corporation REIT		1,647		68,466
Prologis, Inc. REIT		25,460		2,875,453
SBA Communications Corporation, Class A REIT		2,809		644,581
Simon Property Group, Inc. REIT		9,084		1,536,286
UDR, Inc. REIT		7,916		333,976
Ventas, Inc. REIT		11,119		728,183
Welltower, Inc. REIT		16,447		2,218,371
				21,736,468
Insurance — 2.7%
Allstate Corporation (The)		7,357		1,372,228
Arthur J. Gallagher & Company		5,905		1,660,486
Chubb Ltd. (a)		10,726		3,029,451
Hartford Financial Services Group, Inc. (The)		8,164		901,632
Lincoln National Corporation		4,685		162,804
Loews Corporation		3,988		314,892
Marsh & McLennan Companies, Inc.		13,374		2,918,742
Principal Financial Group, Inc.		6,614		544,994
Progressive Corporation (The)		15,978		3,879,938
Prudential Financial, Inc.		9,939		1,217,329

	SHARES		VALUE
Insurance — (continued)
Travelers Companies, Inc. (The)		6,292	$	1,547,454
Willis Towers Watson PLC (a)		2,705		817,424
				18,367,374
Materials — 2.6%
Albemarle Corporation		3,144		297,831
Amcor PLC (a)		37,730		419,935
Avery Dennison Corporation		2,263		468,509
Axalta Coating Systems Ltd. (b)		5,518		209,242
Ball Corporation		8,644		512,157
Compass Minerals International, Inc.		775		9,540
CRH PLC		18,805		1,794,561
Ecolab, Inc.		7,168		1,761,393
H.B. Fuller Company		1,004		73,473
International Flavors & Fragrances, Inc.		7,031		699,092
Linde PLC (a)		13,172		6,008,408
Minerals Technologies, Inc.		887		66,782
Mosaic Company (The)		8,443		225,935
Newmont Corporation		31,861		1,447,764
PPG Industries, Inc.		6,261		779,557
Sealed Air Corporation		3,582		129,597
Sherwin-Williams Company (The)		6,624		2,376,492
Sonoco Products Company		2,267		119,063
				17,399,331
Technology Hardware & Equipment — 2.3%
Cisco Systems, Inc.		110,819		6,069,557
Cognex Corporation		4,685		188,478
Corning, Inc.		22,413		1,066,635
Dell Technologies, Inc., Class C		7,828		967,776
F5, Inc. (b)		1,575		368,361
Flex Ltd. (b)		11,256		390,245
Hewlett Packard Enterprise Company		36,305		707,584
HP, Inc.		27,827		988,415
Keysight Technologies, Inc. (b)		4,751		707,946
Motorola Solutions, Inc.		4,558		2,048,137
TE Connectivity PLC (a)		8,730		1,286,977
Trimble, Inc. (b)		6,620		400,510

GREEN CENTURY EQUITY FUND PORTFOLIO OF INVESTMENTS
October 31, 2024
(unaudited)	*continued*

	SHARES		VALUE
Technology Hardware & Equipment — (continued)
Xerox Holdings Corporation		3,436	$	28,072
Zebra Technologies Corporation, Class A (b)		1,402		535,522
				15,754,215
Consumer Services — 2.2%
Aramark		6,506		246,122
Choice Hotels International, Inc.		543		75,754
Darden Restaurants, Inc.		3,240		518,465
Domino’s Pizza, Inc.		957		395,939
Hilton Worldwide Holdings, Inc.		6,994		1,642,541
Jack in the Box, Inc.		147		7,240
Marriott International, Inc., Class A		6,789		1,765,276
McDonald’s Corporation		19,679		5,748,432
Royal Caribbean Cruises Ltd.		6,568		1,355,307
Starbucks Corporation		31,000		3,028,700
Vail Resorts, Inc.		922		152,766
				14,936,542
Household & Personal Products — 2.2%
Clorox Company (The)		3,218		510,214
Colgate-Palmolive Company		21,725		2,035,850
Estee Lauder Companies, Inc. (The), Class A		6,306		434,736
Kimberly-Clark Corporation		9,226		1,237,945
Procter & Gamble Company (The)		64,781		10,700,525
				14,919,270
Transportation — 1.5%
ArcBest Corporation		692		72,093
Avis Budget Group, Inc.		493		40,919
C.H. Robinson Worldwide, Inc.		3,164		326,019
CSX Corporation		53,561		1,801,792
Delta Air Lines, Inc.		4,348		248,793
Expeditors International of Washington, Inc.		4,063		483,497
J.B. Hunt Transport Services, Inc.		2,250		406,395
Ryder System, Inc.		1,202		175,829
Southwest Airlines Company		3,392		103,727

	SHARES		VALUE
Transportation — (continued)
U-Haul Holding Company		2,348	$	160,274
Union Pacific Corporation		16,773		3,892,510
United Parcel Service, Inc., Class B		20,075		2,691,254
				10,403,102
Banks — 1.1%
Bank of Hawaii Corporation		927		66,957
Cathay General Bancorp		1,103		50,716
Citizens Financial Group, Inc.		12,780		538,294
Comerica, Inc.		3,323		211,708
Huntington Bancshares, Inc.		40,066		624,629
International Bancshares Corporation		1,407		86,193
KeyCorp		25,746		444,119
M&T Bank Corporation		4,641		903,510
Old National Bancorp		6,371		122,706
PNC Financial Services Group, Inc. (The)		11,167		2,102,411
Regions Financial Corporation		24,189		577,391
Truist Financial Corporation		36,846		1,586,220
Zions Bancorp NA		3,956		205,949
				7,520,803
Consumer Durables & Apparel — 0.9%
Capri Holdings Ltd. (a)(b)		3,074		60,681
Columbia Sportswear Company		674		54,237
Deckers Outdoor Corporation (b)		4,338		697,941
Ethan Allen Interiors, Inc.		161		4,455
Garmin Ltd. (a)		4,319		856,674
Hanesbrands, Inc. (b)		8,252		57,351
Hasbro, Inc.		3,349		219,795
La-Z-Boy, Inc.		1,314		49,998
Mattel, Inc. (b)		8,275		168,644
Meritage Homes Corporation		1,049		190,079
Mohawk Industries, Inc. (b)		1,488		199,794
Newell Brands, Inc.		10,704		94,195
NIKE, Inc., Class B		33,213		2,561,719
PVH Corporation		1,561		153,696
Topgolf Callaway Brands Corporation (b)		4,085		39,665

GREEN CENTURY EQUITY FUND PORTFOLIO OF INVESTMENTS
October 31, 2024
(unaudited)	*continued*

	SHARES		VALUE
Consumer Durables & Apparel — (continued)
Under Armour, Inc., Class A (b)		3,994	$	34,149
Under Armour, Inc., Class C (b)		4,705		37,169
VF Corporation		8,490		175,828
Whirlpool Corporation		1,452		150,296
Wolverine World Wide, Inc.		2,001		30,795
				5,837,161
Telecommunication Services — 0.7%
Lumen Technologies Inc. (b)		26,703		170,632
Verizon Communications, Inc.		115,025		4,846,003
				5,016,635
Commercial & Professional Services — 0.6%
ACCO Brands Corporation		1,470		7,203
ASGN, Inc. (b)		1,165		107,296
Broadridge Financial Solutions, Inc.		3,228		680,656
Copart, Inc. (b)		25,048		1,289,220
Deluxe Corporation		1,064		19,961
Exponent, Inc.		1,449		136,757
Heidrick & Struggles International, Inc.		562		21,952
HNI Corporation		1,540		75,891
ICF International, Inc.		500		84,295
Interface, Inc.		1,599		27,934
Kelly Services, Inc., Class A		1,229		24,568
ManpowerGroup, Inc.		1,245		78,248
Robert Half, Inc.		2,928		199,426
Steelcase, Inc., Class A		2,858		34,382
Tetra Tech, Inc.		7,460		364,645
TransUnion		5,266		533,446
Veralto Corporation		6,841		699,082
				4,384,962
Consumer Staples Distribution & Retail — 0.3%
Kroger Co. (The)		18,882		1,053,049
Sysco Corporation		13,475		1,009,951
				2,063,000

	SHARES		VALUE
Automobiles & Components — 0.2%
Aptiv PLC (b)		7,422	$	421,792
Autoliv, Inc. (a)		2,063		191,612
BorgWarner, Inc.		5,871		197,442
Harley-Davidson, Inc.		3,202		102,304
Rivian Automotive, Inc., Class A (b)		20,173		203,747
				1,116,897
Utilities — 0.1%
American Water Works Company, Inc.		5,370		741,651
Essential Utilities, Inc.		7,006		270,431
				1,012,082
Healthy Living — 0.0%
Hain Celestial Group, Inc. (The) (b)		1,781		15,548
United Natural Foods, Inc. (b)		1,542		31,364
				46,912
Total Common Stocks
(Cost $254,740,512)				679,396,552

SHORT-TERM INVESTMENTS — 0.1%
UMB Money Market Fiduciary Account, 0.01% (c) (Cost $550,250)				550,250
Total Short-term Investments
(Cost $550,250)				550,250
TOTAL INVESTMENTS — 100.1%
(Cost $255,290,762)				679,946,802
Liabilites Less Other Assets—(0.1)%				(862,644	)
NET ASSETS — 100.0%			$	679,084,158

PLC – Public Limited Company

REIT – Real Estate Investment Trusts

GREEN CENTURY EQUITY FUND PORTFOLIO OF INVESTMENTS
October 31, 2024
(unaudited)	*concluded*

(a)	Securities whose value are determined or significantly influenced by trading in markets other than the United States or Canada.
(b)	Non-income producing security.
(c)	The rate quoted is the annualized seven-day yield of the fund at the period end.

GREEN CENTURY MSCI INTERNATIONAL INDEX FUND PORTFOLIO OF INVESTMENTS

October 31, 2024

(unaudited)

COMMON STOCKS — 100.5%
	SHARES		VALUE
Japan — 24.4%
Ajinomoto Company, Inc.		19,800	$	760,632
ANA Holdings, Inc.		6,900		135,907
Asahi Kasei Corporation		53,100		366,320
Bridgestone Corporation		24,400		869,497
Brother Industries Ltd.		10,000		194,772
Concordia Financial Group Ltd.		45,200		223,889
Daikin Industries Ltd.		11,300		1,356,641
Daiwa Securities Group, Inc.		57,400		375,527
FANUC Corporation		40,431		1,072,688
Fuji Electric Company Ltd.		5,700		290,289
Fujitsu Ltd.		70,700		1,359,267
Hankyu Hanshin Holdings, Inc.		9,900		269,182
Hitachi Ltd.		198,315		4,982,637
Hoya Corporation		15,001		2,007,045
Ibiden Company Ltd.		5,100		162,000
JFE Holdings, Inc.		24,800		298,577
Kao Corp.		20,000		881,508
KDDI Corp.		65,717		2,049,016
Kubota Corporation		43,000		549,415
LY Corporation		115,200		314,241
MatsukiyoCocokara & Company		14,700		200,136
Mitsubishi Chemical Group Corporation		58,500		315,671
Mitsubishi Estate Company Ltd.		48,900		723,135
Mitsui Chemicals, Inc.		7,300		166,774
NEC Corporation		10,500		893,449
Nitto Denko Corporation		30,000		493,612
Nomura Research Institute Ltd.		16,114		482,025
Omron Corporation		7,500		296,110
Oriental Land Company Ltd.		46,500		1,123,773
Pan Pacific International Holdings Corporation		16,400		406,856
Rakuten Group, Inc. (a)		64,500		384,972
Renesas Electronics Corporation		72,000		964,679
Ricoh Company Ltd.		23,600		255,651
Rohm Company Ltd.		14,800		163,168
Secom Company Ltd.		18,000		640,132
Seiko Epson Corporation		12,389		225,178
Sekisui House Ltd.		25,700		620,695
SG Holdings Company Ltd.		13,700		137,388
Shimadzu Corporation		10,200		300,878
Shiseido Company Ltd.		17,200		371,261
SoftBank Corporation		1,218,470		1,533,936

	SHARES		VALUE
Japan — (continued)
Sompo Holdings, Inc.		40,384	$	865,796
Sony Group Corporation		266,980		4,698,185
Sumitomo Metal Mining Company, Ltd.		10,600		293,075
Sumitomo Mitsui Financial Group, Inc.		160,573		3,406,483
Sysmex Corporation		21,600		400,754
T&D Holdings, Inc.		21,100		336,803
TDK Corporation		83,500		981,567
TIS, Inc.		9,100		226,922
Tokio Marine Holdings, Inc.		80,500		2,899,301
Tokyu Corp.		21,500		265,061
Toray Industries, Inc.		58,500		318,127
Unicharm Corporation		17,400		561,063
Yamaha Motor Company Ltd.		35,600		311,180
Yokogawa Electric Corporation		9,800		217,284
ZOZO, Inc.		5,800		188,068
				45,188,198
Canada — 12.6%
Agnico Eagle Mines Ltd.		21,342		1,842,058
Bank of Nova Scotia (The)		52,635		2,709,999
CGI, Inc. (a)		8,727		966,714
Dollarama, Inc.		12,148		1,264,093
Element Fleet Management Corporation		17,279		353,547
FirstService Corporation		1,747		323,453
Gildan Activewear, Inc.		6,325		309,527
iA Financial Corporation, Inc.		4,075		331,994
Metro, Inc.		9,170		544,576
National Bank of Canada		14,488		1,381,791
Nutrien Ltd.		21,104		1,006,244
Open Text Corporation		11,470		344,001
RB Global, Inc.		7,870		666,780
Saputo, Inc.		10,967		209,195
Shopify, Inc. (a)		51,738		4,047,187
Sun Life Financial, Inc.		24,727		1,370,960
TELUS Corporation		20,925		330,767
Toronto-Dominion Bank (The)		74,835		4,136,778
West Fraser Timber Company Ltd.		2,370		214,039
WSP Global, Inc.		5,320		950,868
				23,304,571

GREEN CENTURY MSCI INTERNATIONAL INDEX FUND PORTFOLIO OF INVESTMENTS
October 31, 2024
(unaudited)	*continued*

	SHARES		VALUE
United Kingdom — 9.8%
3i Group PLC		41,648	$	1,707,944
Admiral Group PLC		11,188		370,228
Associated British Foods PLC		14,294		410,847
Barratt Redrow PLC		59,064		340,317
Berkeley Group Holdings PLC		4,387		250,351
Croda International PLC		5,705		273,756
Informa PLC		57,229		597,882
Intertek Group PLC		6,938		416,512
Kingfisher PLC		78,289		296,085
Land Securities Group PLC REIT		30,179		234,400
Legal & General Group PLC		253,932		712,287
M&G PLC		96,732		242,348
Mondi PLC		19,014		307,907
Pearson PLC		25,619		376,211
Phoenix Group Holdings PLC		30,227		192,026
RELX PLC		79,957		3,666,918
Schroders PLC		33,505		148,459
Segro PLC REIT		55,284		560,175
Taylor Wimpey PLC		151,928		287,262
Unilever PLC		106,754		6,512,421
Whitbread PLC		7,690		299,204
				18,203,540
France — 9.3%
AXA SA		77,743		2,919,130
Cie Generale des Etablissements Michelin SCA		28,970		979,087
Credit Agricole SA		45,037		690,355
Danone SA		27,660		1,976,052
Eurazeo SE		1,904		145,228
Hermes International SCA		1,356		3,081,950
Publicis Groupe SA		9,769		1,038,315
Rexel SA		9,717		267,726
Schneider Electric SE		23,405		6,063,227
				17,161,070
Switzerland — 9.3%
ABB Ltd.		67,648		3,759,062
Banque Cantonale Vaudoise		1,279		127,441
Coca-Cola HBC AG (a)		9,430		329,995
DSM-Firmenich AG		7,935		940,988
Givaudan SA		395		1,875,135
Julius Baer Group Ltd.		8,853		539,750

	SHARES		VALUE
Switzerland — (continued)
Kuehne + Nagel International AG		2,078	$	518,720
Lonza Group AG		3,086		1,898,793
SGS SA		6,584		696,987
SIG Group AG (a)		13,182		284,454
Sonova Holding AG		2,179		797,332
Swiss Re AG		12,891		1,645,922
Zurich Insurance Group AG		6,270		3,696,611
				17,111,190
Netherlands — 6.7%
Akzo Nobel NV		7,348		468,916
ASML Holding NV		10,356		6,971,170
Koninklijke KPN NV		169,942		664,203
Prosus NV		60,687		2,557,726
Wolters Kluwer NV		10,624		1,785,777
				12,447,792
Australia — 6.4%
ASX Ltd.		8,369		356,417
BlueScope Steel Ltd.		19,034		252,935
Brambles Ltd.		59,889		721,076
Cochlear Ltd.		2,817		521,544
CSL Ltd.		20,660		3,879,091
Goodman Group		73,159		1,747,029
GPT Group (The) REIT		81,382		252,137
Northern Star Resources Ltd.		48,939		567,918
Orica Ltd.		20,444		232,227
Pilbara Minerals Ltd. (a)		123,045		227,903
QBE Insurance Group Ltd.		64,616		729,534
Suncorp Group Ltd.		54,718		641,866
Transurban Group		132,629		1,105,338
WiseTech Global Ltd.		7,178		551,123
				11,786,138
Denmark — 5.5%
Novo Nordisk A/S, Class B		70,834		7,945,038
Novonesis (Novozymes) B		15,088		948,149
Pandora A/S		3,523		532,661
Vestas Wind Systems A/S (a)		43,390		826,892
				10,252,740

GREEN CENTURY MSCI INTERNATIONAL INDEX FUND PORTFOLIO OF INVESTMENTS
October 31, 2024
(unaudited)	*continued*

	SHARES		VALUE
Germany — 5.1%
adidas AG		6,932	$	1,660,206
Deutsche Boerse AG		8,128		1,888,018
GEA Group AG		6,653		327,710
Henkel AG & Company KGaA		4,402		343,330
Henkel AG & Company KGaA (b)		7,248		627,645
LEG Immobilien SE		3,185		300,889
Merck KGaA		5,511		911,137
Muenchener Rueckversicherungs-Gesellschaft AG in Muenchen		5,731		2,930,812
Puma SE		4,532		206,665
Zalando SE (a)(c)		9,563		289,507
				9,485,919
Hong Kong — 2.6%
AIA Group Ltd.		477,449		3,768,181
Hang Seng Bank Ltd.		32,417		396,531
MTR Corporation Ltd.		66,167		240,742
Sino Land Company Ltd.		164,746		164,871
Swire Pacific Ltd. A Shares		17,500		146,574
				4,716,899
Finland — 1.8%
Elisa Oyj		6,113		290,988
Kesko Oyj B Shares		11,762		252,635
Kone Oyj, Class B		14,473		793,682
Metso OYJ		26,769		254,773
Sampo Oyj A Shares		21,493		953,052
Stora Enso Oyj R Shares		25,074		279,821
Wartsila OYJ Abp		21,629		414,261
				3,239,212
Italy — 1.5%
FinecoBank Banca Fineco SpA		26,279		419,535
Generali		43,589		1,208,595
Mediobanca Banca di Credito Finanziario SpA		21,387		352,838
Moncler SpA		9,433		524,090
Poste Italiane SpA (c)		19,462		273,671
				2,778,729

	SHARES		VALUE
Sweden — 1.4%
Boliden AB		11,794	$	368,963
Essity AB, Class B		25,942		732,393
Svenska Cellulosa AB SCA, Class B		26,140		346,072
Svenska Handelsbanken AB A Shares		62,123		645,495
Tele2 AB B Shares		23,046		241,500
Telia Company AB		101,184		294,276
				2,628,699
Spain — 1.2%
Amadeus IT Group SA		19,264		1,396,555
Cellnex Telecom SA (c)		22,699		833,666
				2,230,221
Norway — 1.0%
DNB Bank ASA		38,350		794,727
Gjensidige Forsikring ASA		8,387		151,344
Mowi ASA		19,671		339,127
Orkla ASA		30,281		279,753
Telenor ASA		26,643		327,218
				1,892,169
Ireland — 0.7%
James Hardie Industries PLC (a)		18,462		588,823
Kerry Group PLC, Class A		6,620		661,196
				1,250,019
Belgium — 0.6%
Ageas SA		6,889		359,537
KBC Group NV		9,827		715,833
				1,075,370
Singapore — 0.5%
CapitaLand Ascendas REIT		160,100		324,444
CapitaLand Integrated Commercial Trust REIT		243,500		369,943
CapitaLand Investment Ltd.		98,911		208,960
				903,347

GREEN CENTURY MSCI INTERNATIONAL INDEX FUND PORTFOLIO OF INVESTMENTS
October 31, 2024
(unaudited)	*concluded*

	SHARES		VALUE
New Zealand — 0.1%
Meridian Energy Ltd.		54,404	$	193,206
Total Common Stocks
(Cost $151,692,422)				185,849,029

SHORT-TERM INVESTMENTS — 0.1%
UMB Money Market Fiduciary Account, 0.01% (d) (Cost $305,543)				305,543
Total Short-term Investments
(Cost $305,543)				305,543
TOTAL INVESTMENTS — 100.6%
(Cost $151,997,965)				186,154,572
Liabilities Less Other Assets — (0.6)%				(1,190,766	)
NET ASSETS — 100.0%			$	184,963,806

PLC – Public Limited Company

REIT – Real Estate Investment Trusts

(a)	Non-income producing security.
(b)	Preference shares.
(c)	Security exempt from registration under Rule 144A of the Securities Act of 1933. These securities may be resold in transactions exempt from registration to qualified institutional buyers. The total value of these securities is $1,396,844.
(d)	The rate quoted is the annualized seven-day yield of the fund at the period end.

GREEN CENTURY MSCI INTERNATIONAL INDEX FUND PORTFOLIO OF INVESTMENTS

October 31, 2024

(unaudited)

FORWARD FOREIGN CURRENCY EXCHANGE CONTRACTS

Purchase Contracts	Counterparty	Currency Exchange	Settlement Date	Currency Amount Purchased		Value At Settlement Date		Value At October 31, 2024		Unrealized Appreciation (Depreciation)
Australian Dollar	JP Morgan	AUD per USD	12/18/2024		110,000	$	73,612	$	72,425	$	(1,187	)
Canadian Dollar	Bank of Montreal	CAD per USD	12/18/2024		140,000		103,247		100,723		(2,524	)
Euro	TD Securities	EUR per USD	12/18/2024		130,000		145,763		141,719		(4,044	)
Euro	Citigroup	EUR per USD	12/18/2024		140,000		155,171		152,620		(2,551	)
British Pound	Morgan Stanley	GBP per USD	12/18/2024		100,000		130,251		128,932		(1,319	)
Japanese Yen	TD Securities	JPY per USD	12/18/2024		49,680,000		354,319		329,191		(25,128	)
Japanese Yen	Morgan Stanley	JPY per USD	12/18/2024		10,330,000		72,698		68,449		(4,249	)
						$	1,035,061	$	994,059	$	(41,002	)

Sale Contracts	Counterparty	Currency Exchange	Settlement Date	Currency Amount Sold			Value At Settlement Date			Value At October 31, 2024			Unrealized Appreciation (Depreciation)
Switzerland Franc	Citibank	CHF per USD	12/18/2024		(310,000	)	$	(367,174	)	$	(361,037	)	$	6,137
Japanese Yen	TD Securities	JPY per USD	12/18/2024		(37,700,000	)		(266,559	)		(249,808	)		16,751
							$	(633,733	)	$	(610,845	)	$	22,888
TOTAL FORWARD FOREIGN CURRENCY EXCHANGE CONTRACTS							$	401,328		$	383,214		$	(18,114	)

AUD – Australian Dollar

CAD – Canadian Dollar

CHF – Switzerland Franc

EUR – Euro

GBP – British Pound

JPY – Japanese Yen

Green Century Balanced Fund (GCBLX) NPORT-PGreen Century Balanced Fund (Oct 2024 report)