Firsthand Funds N-CSRS29 Aug 24Certified semi-annual shareholder report (management investment company)Financial data

Company Profile

Form N-CSR Cover

Form N-CSR Cover	6 Months Ended
Form N-CSR Cover	Jun. 30, 2024
Shareholder Report [Line Items]
Document Type	N-CSRS
Amendment Flag	false
Registrant Name	FIRSTHAND FUNDS
Entity Central Index Key	0000917124
Entity Investment Company Type	N-1A
Document Period End Date	Jun. 30, 2024

Shareholder Report

Shareholder Report	6 Months Ended
Shareholder Report	Jun. 30, 2024 USD ($) Holding
Shareholder Report [Line Items]
Document Type	N-CSRS
Amendment Flag	false
Registrant Name	FIRSTHAND FUNDS
Entity Central Index Key	0000917124
Entity Investment Company Type	N-1A
Document Period End Date	Jun. 30, 2024
C000032051
Shareholder Report [Line Items]
Fund Name	Firsthand Technology Opportunities Fund
Class Name	Firsthand Technology Opportunities Fund
Trading Symbol	TEFQX
Annual or Semi-Annual Statement [Text Block]	This Semi-Annual shareholder report contains important information about Firsthand Technology Opportunities Fund for the period of January 1, 2024 to June 30, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Fund at www.firsthandfunds.com
Additional Information Phone Number	1-888-884-2675
Additional Information Website	www.firsthandfunds.com</span>" id="sjs-B19"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.firsthandfunds.com</span>
Expenses [Text Block]	What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment TEFQX $80 1.85%
Expenses Paid, Amount	$ 80
Expense Ratio, Percent	1.85%
AssetsNet	$ 44,677,656
Holdings Count \| Holding	31
Advisory Fees Paid, Amount	$ 387,028
InvestmentCompanyPortfolioTurnover	4%
Additional Fund Statistics [Text Block]	Fund Statistics Total Net Assets $44,677,656 # of Portfolio Holdings 31 Portfolio Turnover Rate 4% Investment Advisory Fees Paid $387,028
Holdings [Text Block]	Industry Weightings Value Value Net Cash 5.5 Semiconductor Equipment 0.1 Education 2.0 Materials 3.7 Renewable Energy 5.0 Defense & Aerospace 8.1 Semiconductors 8.7 Internet 8.8 Consumer Electronics 10.1 Software 48.0
Largest Holdings [Text Block]	Top 10 Holdings (% of Net Assets) Roku, Inc. 10.1% Wolfspeed, Inc. 8.7% Zscaler, Inc. 8.6% Kratos Defense & Security Solutions, Inc. 8.1% Netflix, Inc. 7.5% DocuSign, Inc. 4.8% Palantir Technologies, Inc., 4.8% PagerDuty, Inc. 4.6% Enphase Energy, Inc. 4.4% Domo, Inc., 4.0%
C000052080
Shareholder Report [Line Items]
Fund Name	Firsthand Alternative Energy Fund
Class Name	Firsthand Alternative Energy Fund
Trading Symbol	ALTEX
Annual or Semi-Annual Statement [Text Block]	This Semi-Annual shareholder report contains important information about Firsthand Alternative Energy Fund for the period of January 1, 2024 to June 30, 2024.
Shareholder Report Annual or Semi-Annual	Semi-Annual Shareholder Report
Additional Information [Text Block]	You can find additional information about the Fund at www.firsthandfunds.com
Additional Information Phone Number	1-888-884-2675
Additional Information Website	www.firsthandfunds.com</span>" id="sjs-B39"><span style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 10.6667px; font-weight: 400; grid-area: auto; line-height: 16px; margin: 0px; overflow: visible; text-align: left;">www.firsthandfunds.com</span>
Expenses [Text Block]	What were the Fund’s costs for the last six months? (based on a hypothetical $10,000 investment) Fund Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment ALTEX $98 1.98%
Expenses Paid, Amount	$ 98
Expense Ratio, Percent	1.98%
AssetsNet	$ 10,701,466
Holdings Count \| Holding	35
Advisory Fees Paid, Amount	$ 80,475
InvestmentCompanyPortfolioTurnover	0%
Additional Fund Statistics [Text Block]	Fund Statistics Total Net Assets $10,701,466 # of Portfolio Holdings 35 Portfolio Turnover Rate 0% Investment Advisory Fees Paid $80,475
Holdings [Text Block]	Industry Weightings Value Value Net Cash 5.2 Other Industries 8.1 Advanced Materials 4.2 Defense & Aerospace 4.7 Energy Efficiency 5.4 Semiconductor Equipment 6.6 Other Electronics 7.3 Automotive 7.4 Materials 7.8 Engineering Service 9.5 Semiconductors 11.4 Renewable Energy 22.4
Largest Holdings [Text Block]	Top 10 Holdings (% of Net Assets) Quanta Services, Inc. 9.5% First Solar, Inc. 8.4% Aspen Aerogels, Inc. 7.8% Tesla, Inc. 7.4% Axcelis Technologies, Inc. 6.6% ON Semiconductor Corp. 6.4% Kratos Defense & Security Solutions, Inc. 4.7% Enovix Corp. 4.3% Itron, Inc. 4.2% Corning, Inc. 4.2%

Shareholder Report, Holdings (D

Shareholder Report, Holdings (Details)	Jun. 30, 2024
C000032051 \| Roku, Inc.
Holdings [Line Items]
Percent of Net Asset Value	10.10%
C000032051 \| Wolfspeed, Inc.
Holdings [Line Items]
Percent of Net Asset Value	8.70%
C000032051 \| Zscaler, Inc.
Holdings [Line Items]
Percent of Net Asset Value	8.60%
C000032051 \| Kratos Defense & Security Solutions, Inc.
Holdings [Line Items]
Percent of Net Asset Value	8.10%
C000032051 \| Netflix, Inc.
Holdings [Line Items]
Percent of Net Asset Value	7.50%
C000032051 \| DocuSign, Inc.
Holdings [Line Items]
Percent of Net Asset Value	4.80%
C000032051 \| Palantir Technologies, Inc.,
Holdings [Line Items]
Percent of Net Asset Value	4.80%
C000032051 \| PagerDuty, Inc.
Holdings [Line Items]
Percent of Net Asset Value	4.60%
C000032051 \| Enphase Energy, Inc.
Holdings [Line Items]
Percent of Net Asset Value	4.40%
C000032051 \| Domo, Inc.,
Holdings [Line Items]
Percent of Net Asset Value	4%
C000032051 \| Large Cap ($5-$25B)
Holdings [Line Items]
Percent of Net Asset Value	32.50%
C000032051 \| Giant Cap (More than $25B)
Holdings [Line Items]
Percent of Net Asset Value	29.60%
C000032051 \| Mid Cap ($1-$5B)
Holdings [Line Items]
Percent of Net Asset Value	26.60%
C000032051 \| Small Cap (less than $1B)
Holdings [Line Items]
Percent of Net Asset Value	5.80%
C000032051 \| Net Cash
Holdings [Line Items]
Percent of Net Asset Value	5.50%
C000032051 \| Micro Cap (less than $250M)
Holdings [Line Items]
Percent of Net Asset Value	0%
C000032051 \| Other Investments in Securities
Holdings [Line Items]
Percent of Net Asset Value	97.30%
C000032051 \| Other
Holdings [Line Items]
Percent of Net Asset Value	5.50%
C000032051 \| Semiconductor Equipment
Holdings [Line Items]
Percent of Net Asset Value	0.10%
C000032051 \| Education
Holdings [Line Items]
Percent of Net Asset Value	2%
C000032051 \| Materials
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000032051 \| Renewable Energy
Holdings [Line Items]
Percent of Net Asset Value	5%
C000032051 \| Defense & Aerospace
Holdings [Line Items]
Percent of Net Asset Value	8.10%
C000032051 \| Semiconductors
Holdings [Line Items]
Percent of Net Asset Value	8.70%
C000032051 \| Internet
Holdings [Line Items]
Percent of Net Asset Value	8.80%
C000032051 \| Consumer Electronics
Holdings [Line Items]
Percent of Net Asset Value	10.10%
C000032051 \| Software
Holdings [Line Items]
Percent of Net Asset Value	48%
C000032051 \| Israel
Holdings [Line Items]
Percent of Net Asset Value	2.70%
C000052080 \| Kratos Defense & Security Solutions, Inc.
Holdings [Line Items]
Percent of Net Asset Value	4.70%
C000052080 \| Quanta Services, Inc.
Holdings [Line Items]
Percent of Net Asset Value	9.50%
C000052080 \| First Solar, Inc.
Holdings [Line Items]
Percent of Net Asset Value	8.40%
C000052080 \| Aspen Aerogels, Inc.
Holdings [Line Items]
Percent of Net Asset Value	7.80%
C000052080 \| Tesla, Inc.
Holdings [Line Items]
Percent of Net Asset Value	7.40%
C000052080 \| Axcelis Technologies, Inc.
Holdings [Line Items]
Percent of Net Asset Value	6.60%
C000052080 \| ON Semiconductor Corp.
Holdings [Line Items]
Percent of Net Asset Value	6.40%
C000052080 \| Enovix Corp.
Holdings [Line Items]
Percent of Net Asset Value	4.30%
C000052080 \| Itron, Inc.
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000052080 \| Corning, Inc.
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000052080 \| Large Cap ($5-$25B)
Holdings [Line Items]
Percent of Net Asset Value	17.20%
C000052080 \| Giant Cap (More than $25B)
Holdings [Line Items]
Percent of Net Asset Value	38.10%
C000052080 \| Mid Cap ($1-$5B)
Holdings [Line Items]
Percent of Net Asset Value	35%
C000052080 \| Small Cap (less than $1B)
Holdings [Line Items]
Percent of Net Asset Value	3.80%
C000052080 \| Net Cash
Holdings [Line Items]
Percent of Net Asset Value	5.20%
C000052080 \| Micro Cap (less than $250M)
Holdings [Line Items]
Percent of Net Asset Value	0.70%
C000052080 \| Other Investments in Securities
Holdings [Line Items]
Percent of Net Asset Value	83%
C000052080 \| Other
Holdings [Line Items]
Percent of Net Asset Value	5.20%
C000052080 \| Semiconductor Equipment
Holdings [Line Items]
Percent of Net Asset Value	6.60%
C000052080 \| Materials
Holdings [Line Items]
Percent of Net Asset Value	7.80%
C000052080 \| Renewable Energy
Holdings [Line Items]
Percent of Net Asset Value	22.40%
C000052080 \| Defense & Aerospace
Holdings [Line Items]
Percent of Net Asset Value	4.70%
C000052080 \| Semiconductors
Holdings [Line Items]
Percent of Net Asset Value	11.40%
C000052080 \| Investment_SecurityTypeCode_Common Stocks
Holdings [Line Items]
Percent of Net Asset Value	8.10%
C000052080 \| Advanced Materials
Holdings [Line Items]
Percent of Net Asset Value	4.20%
C000052080 \| Energy Efficiency
Holdings [Line Items]
Percent of Net Asset Value	5.40%
C000052080 \| Other Electronics
Holdings [Line Items]
Percent of Net Asset Value	7.30%
C000052080 \| Automotive
Holdings [Line Items]
Percent of Net Asset Value	7.40%
C000052080 \| Engineering Service
Holdings [Line Items]
Percent of Net Asset Value	9.50%
C000052080 \| Canada
Holdings [Line Items]
Percent of Net Asset Value	0.40%
C000052080 \| Japan
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000052080 \| Denmark
Holdings [Line Items]
Percent of Net Asset Value	3.20%
C000052080 \| Spain
Holdings [Line Items]
Percent of Net Asset Value	3.30%
C000052080 \| Switzerland
Holdings [Line Items]
Percent of Net Asset Value	3.70%
C000052080 \| Netherlands
Holdings [Line Items]
Percent of Net Asset Value	4.60%