Venture capital firm
Founders Fund portfolio
foundersfund.comFounders Fund is a venture capital firm based in San Francisco, United States, founded in 2005. It has invested in 368 venture-backed companies across 559 funding rounds on VCMC, and led 148 of those rounds. 49 of them were in the last 12 months.
368
Venture-backed companies
in its portfolio on VCMC
559
Funding rounds
led 148
49
Last 12 months
rounds, Oct 2025 to Sep 2026
125
With a disclosed valuation
of 368 companies
$2.26T
Combined value of its private companies
the whole companies, not what Founders Fund owns
345 private companies Founders Fund has backed have a VCMC valuation; together they are worth $2.26T. That is the value of the whole companies, not what Founders Fund owns. Anthropic is 48% of the total. 23 companies it backed have since been acquired and are not included. How VCMC values companies.
Values cover private companies only; public companies are not included.
Portfolio
Founders Fund's most valuable portfolio companies
The 10 most valuable private companies Founders Fund has backed, by VCMC's valuation. Values cover private companies only; public companies are not included.
- 1 Anthropic Tech Companies, San Francisco $1.09T range $838.9B – $1.51T Led at Series G, 2026
- 2 OpenAI Tech Companies, San Francisco $374.6B range $263.0B – $430.9B Joined at Growth, 2023
- 3 Stripe Payment Processing & Point of Sale, Paris $173.0B range $138.2B – $207.9B Led at Series A, 2011
- 4 Anduril Aerospace and Defence, Costa Mesa $68.6B range $53.0B – $91.2B Led at Seed, 2019
- 5 Ramp Tech Companies, New York $60.1B range $52.2B – $75.9B Led at Growth, 2020
- 6 Crusoe Hosting & Cloud Infrastructure Providers, Denver $31.7B range $26.9B – $46.2B Led at Growth, 2019
- 7 Cognition Tech Companies, San Francisco $28.1B range $22.6B – $36.2B Led at Growth, 2024
- 8 The Boring Company Construction Services, Las Vegas $23.8B range $20.0B – $35.0B Joined at Series C, 2022
- 9 Rippling Tech Companies, San Francisco $23.4B range $15.5B – $26.9B Led at Series B, 2020
- 10 Polymarket Cryptocurrency, New York $21.4B range $18.3B – $26.6B Led at Series B, 2024
Portfolio
Full Founders Fund portfolio (368 companies)
368 companies. Load more shows the rest.
| # | Last round | History | Range | Trend | Grade | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | OpenAI Tech Companies · since Growth, 2023 | Other Mar 2026 $122.00B | $374.6B | $263.0B – $430.9B | $374.6B (0%) | $33.7B | 0% | 11,490 | growing | A | |
| 2 | Stripe Payment Processing & Point of Sale · led at Series A, 2011 | Growth Equity Feb 2026 $159.00B | $173.0B | $138.2B – $207.9B | $180.8B (+4%) | $17.7B | 0% | 16,600 | growing | A | |
| 3 | Anthropic Tech Companies · led at Series G, 2026 | Series H May 2026 $65.00B | $1.09T | $838.9B – $1.51T | $1.31T (+20%) | $144.0B | 0% | 6,076 | growing | A | |
| 4 | Anduril Aerospace and Defence · led at Seed, 2019 | Series H May 2026 $5.00B | $68.6B | $53.0B – $91.2B | $79.3B (+16%) | $8.7B | 0% | 9,860 | growing | A | |
| 5 | Crusoe Hosting & Cloud Infrastructure Providers · led at Growth, 2019 | Series F Sep 2026 $3.90B | $31.7B | $26.9B – $46.2B | $40.2B (+27%) | $4.4B | 0% | 1,720 | growing | A | |
| 6 | Ramp Tech Companies · led at Growth, 2020 | Growth Equity Oct 2026 $1.85B | $60.1B | $52.2B – $75.9B | $66.0B (+10%) | $5.9B | 0% | 6,282 | growing | A | |
| 7 | The Boring Company Construction Services · since Series C, 2022 | Series D Sep 2026 $3.00B | $23.8B | $20.0B – $35.0B | $30.4B (+28%) | $3.3B | 0% | 800 | up | A | |
| 8 | Polymarket Cryptocurrency · led at Series B, 2024 | Growth Equity Aug 2026 $1.00B | $21.4B | $18.3B – $26.6B | $23.1B (+8%) | $2.1B | 0% | 342 | growing | A | |
| 9 | Flexport Trucking and Logistics · since Series B, 2016 | Debt Jan 2023 $260M | $6.3B | $698M – $11.0B | $5.9B (-5%) | $1.3B | 20% | 2,949 | flat | D | |
| 10 | PsiQuantum Semiconductors · led at Series B, 2017 | Grant Jul 2026 $125M | $9.6B | $6.0B – $11.0B | $9.6B (0%) | $1.1B | 0% | 671 | up | B | |
| 11 | Trade Republic Financial Services · led at Series B, 2020 | Growth Equity Dec 2025 $1.40B | $16.9B | $12.8B – $20.0B | $17.4B (+3%) | $1.7B | 0% | 1,762 | growing | A | |
| 12 | Kavak Hosting & Cloud Infrastructure Providers · led at Series D, 2021 | Series F Feb 2026 $300M | $10.4B | $7.6B – $13.0B | $11.3B (+9%) | $1.2B | 0% | 4,100 | unknown | A | |
| 13 | Rippling Tech Companies · led at Series B, 2020 | Series G May 2025 $450M | $23.4B | $15.5B – $26.9B | $23.4B (0%) | $2.6B | 0% | 7,815 | growing | A | |
| 14 | Hadrian Aerospace and Defence · led at Series A, 2022 | Series D Aug 2026 $1.37B | $8.3B | $6.8B – $11.8B | $10.2B (+23%) | $1.1B | 0% | 269 | flat | A | |
| 15 | Etched Electronical Components Manufacturing · since Growth, 2026 | Growth Equity Aug 2026 $700M | $21.4B | $18.3B – $26.6B | $23.1B (+8%) | $2.1B | 0% | – | growing | A | |
| 16 | Neuralink Medical Supply Manufacturers · led at Series C, 2021 | Series E Jun 2025 $650M | $13.1B | $8.1B – $15.1B | $13.1B (0%) | $1.4B | 0% | 672 | up | B | |
| 17 | Cognition Tech Companies · led at Growth, 2024 | Growth Equity May 2026 $1.00B | $28.1B | $22.6B – $36.2B | $31.5B (+12%) | $2.8B | 0% | 592 | growing | A | |
| 18 | Clearco Loans & Financing · since Series A, 2018 | Debt Aug 2026 $100M | $336M | $113M – $1.4B | $231M (-31%) | $101M | 84% | 143 | down | D | |
| 19 | Creditas Loans & Financing · since Series B, 2017 | Series G Dec 2025 $108M | $3.6B | $2.9B – $4.2B | $3.1B (-13%) | $564M | 58% | 2,082 | down | A | |
| 20 | Faire General Retail & Merchandise · led at Series C, 2018 | Series G Nov 2021 $400M | $20.3B | $8.0B – $29.3B | $20.3B (0%) | $2.8B | 4% | 7,705 | growing | C | |
| 21 | Impulse Space Aerospace and Defence · led at Seed, 2022 | Series D Jun 2026 $500M | $4.9B | $3.7B – $6.9B | $6.0B (+23%) | $664M | 0% | 554 | growing | B | |
| 22 | Stord Warehousing & Storage · led at Series B, 2020 | Debt Oct 2026 $400M | $3.6B | $2.6B – $5.4B | $4.7B (+31%) | $521M | 0% | 2,124 | growing | B | |
| 23 | Quince Clothing Stores · since Seed, 2020 | Series E Mar 2026 $500M | $12.0B | $8.8B – $15.4B | $13.4B (+11%) | $1.5B | 0% | 1,957 | growing | A | |
| 24 | Solugen Chemicals · led at Series B, 2019 | Growth Equity Mar 2026 $50M | $584M | $369M – $917M | $570M (-2%) | $55.5M | 26% | 136 | flat | B | |
| 25 | Ayar Labs Electronical Components Manufacturing · since Seed, 2016 | Series E Mar 2026 $500M | $4.5B | $3.3B – $5.8B | $5.0B (+11%) | $552M | 0% | 259 | up | A | |
| 26 | Flock Safety Alarms, Surveillance & Security Systems · since Series A, 2018 | Growth Equity Jul 2026 $275M | $7.7B | $6.5B – $9.5B | $8.3B (+7%) | $743M | 0% | 1,434 | up | A | |
| 27 | RigUp Tech Companies · led at Series B, 2018 | Series E May 2021 $300M | $4.0B | $586M – $4.6B | $3.8B (-4%) | $491M | 0% | 901 | up | D | |
| 28 | NewLimit Biotechnology · led at Series A, 2023 | Series C Jun 2026 $435M | $3.5B | $2.7B – $4.9B | $4.2B (+21%) | $464M | 0% | 64 | growing | A | |
| 29 | Noom Nutritionists & Weight Loss Specialists · since Series E, 2019 | Series F May 2021 $540M | $2.4B | $263M – $7.5B | $2.2B (-7%) | $684M | 30% | 1,200 | flat | D | |
| 30 | Collective Health Insurance - Agents, Carriers & Brokers · led at Series A, 2014 | Series F May 2021 $280M | $1.8B | $277M – $2.2B | $1.7B (-5%) | $244M | 0% | 791 | up | D | |
| 31 | Gusto Tech Companies · since Series B, 2015 | Series E Aug 2021 $175M | $18.0B | $7.1B – $20.7B | $18.0B (0%) | $2.0B | 0% | 8,228 | growing | B | |
| 32 | Ultima Genomics Biotechnology · since Growth, 2022 | Growth Equity Jun 2022 $600M | $3.8B | $419M – $10.1B | $3.7B (-3%) | $660M | 18% | 307 | flat | D | |
| 33 | Kriya Therapeutics Biotechnology · since Series D, 2025 | Series D Sep 2025 $320M | $4.7B | $2.4B – $7.3B | $4.3B (-8%) | $566M | 28% | 194 | flat | B | |
| 34 | Branch Tech Companies · led at Series B, 2016 | Growth Equity Feb 2022 $300M | $1.9B | $321M – $4.5B | $1.9B (-2%) | $396M | 36% | 515 | flat | D | |
| 35 | Varda Space Industries Aerospace and Defence · led at Seed, 2020 | Series D Sep 2026 $251M | $1.6B | $1.4B – $2.4B | $2.1B (+28%) | $229M | 0% | 276 | growing | A | |
| 36 | Radiant Nuclear Electric Supplies & Power Generation · since Series B, 2023 | Series D Dec 2025 $300M | $2.3B | $1.6B – $2.7B | $2.3B (+4%) | $257M | 0% | 580 | unknown | A | |
| 37 | AppDirect Tech Companies · since Series D, 2015 | Debt Jan 2021 $43M | $1.5B | $193M – $2.1B | $1.5B (-5%) | $251M | 7% | 1,186 | up | D | |
| 38 | Hermeus Aircraft Parts & Services · since Series B, 2022 | Series C Apr 2026 $350M | $1.2B | $869M – $1.5B | $1.3B (+14%) | $148M | 0% | 384 | growing | A | |
| 39 | Armada Tech Companies · led at Growth, 2023 | Series B May 2026 $230M | $2.4B | $1.7B – $3.5B | $3.1B (+28%) | $339M | 0% | 667 | growing | B | |
| 40 | Sword Health Health Care Services · since Series B, 2021 | Growth Equity Jun 2025 $40M | $4.2B | $3.0B – $5.0B | $3.9B (-8%) | $405M | 23% | 1,180 | up | A | |
| 41 | Fractile Tech Companies · led at Series A, 2026 | Series B May 2026 $220M | $1.9B | $1.1B – $3.4B | $2.4B (+31%) | $291M | 0% | 135 | growing | B | |
| 42 | Synthego Pharmaceutical Products · led at Series B, 2017 | Series E Feb 2022 $200M | $1.5B | $115M – $3.3B | $1.5B (-1%) | $252M | 16% | 163 | unknown | D | |
| 43 | LeafLink Decorators & Interior Designers · led at Series C, 2020 | Series D Feb 2023 $100M | $114M | $70.8M – $288M | $65.5M (-42%) | $59.8M | 97% | 115 | shrinking | C | |
| 44 | Wave Payment Processing & Point of Sale · led at Series A, 2021 | Debt Jun 2025 $137M | $7.0B | $2.1B – $8.1B | $7.0B (0%) | $985M | 0% | 5,724 | growing | C | |
| 45 | Dr. Tyler Austin Podiatrists · led at Series B, 2010 | Growth Equity Feb 2021 $150M | $1.5B | $175M – $3.0B | $1.4B (-1%) | $199M | 6% | 1,362 | up | D | |
| 46 | OpenSea Tech Companies · since Seed, 2018 | Series C Jan 2022 $300M | $10.7B | $1.5B – $21.9B | $10.1B (-6%) | $2.4B | 33% | 701 | flat | D | |
| 47 | Northwood Telecommunications · since Seed, 2024 | Series B Jan 2026 $100M | $685M | $364M – $1.1B | $775M (+13%) | $85.3M | 0% | 179 | growing | B | |
| 48 | Unbabel Translation Services · since Series B, 2018 | Series C Sep 2019 $60M | $112M | $31.5M – $525M | $112M (0%) | $65.7M | 80% | 658 | down | D | |
| 49 | Campus Colleges & Universities · since Series A, 2023 | Series B Mar 2025 $46M | $474M | $163M – $673M | $474M (0%) | $52.2M | 0% | 310 | unknown | C | |
| 50 | Ritual Vitamins & Supplements · led at Series A, 2017 | Series B Feb 2019 $25M | $196M | $14.0M – $278M | $191M (-2%) | $25.8M | 0% | 239 | up | D |
Valuation: VCMC's valuation with its range, from a low to a high scenario; a company with no valuation shows a dash, one acquired after its last round its last value as a private company.
Activity
How Founders Fund invests: stages, industries and countries
Most of its rounds are Series C and later (31%). Its companies span 94 industries, most in Tech Companies, Biotechnology and Software Development Services, across 24 countries.
Rounds by stage
- Pre-seed 2
- Seed 106
- Series A 154
- Series B 122
- Series C and later 173
- Other venture 2
Investments by industry
- Tech Companies 148
- Biotechnology 15
- Software Development Services 10
- Aerospace and Defence 9
- Insurance - Agents, Carriers & Brokers 9
- Cryptocurrency 8
- Payment Processing & Point of Sale 7
- Electronical Components Manufacturing 6
Investments by country
- United States 305
- United Kingdom 13
- Germany 6
- Canada 5
- Brazil 4
- Israel 4
Recent rounds
Founders Fund's latest investments
Founders Fund's most recent funding rounds, newest first. 49 rounds in the last 12 months.
- Ramp Growth, led $1.85B 15 Oct 2026
- Series B $75M 6 Oct 2026
- Varda Space Industries Series D $251M 30 Sep 2026
- Crusoe Series F $3.90B 17 Sep 2026
- Growth $205M 16 Sep 2026
- Growth, led $250M 9 Sep 2026
- Series B $240M 27 Aug 2026
- Etched Growth $700M 18 Aug 2026
- Hadrian Series D $1.37B 6 Aug 2026
- Flock Safety Growth $275M 24 Jul 2026
Co-investors
Founders Fund's top co-investors
The investors that most often join the same rounds as Founders Fund. Andreessen Horowitz leads, with 80 rounds together.
- Andreessen Horowitz 80 rounds together
- Khosla Ventures 75 rounds together
- General Catalyst 63 rounds together
- Y Combinator 60 rounds together
- Sequoia Capital 56 rounds together
- Lux Capital 53 rounds together
- Thrive Capital 34 rounds together
- Kleiner Perkins 31 rounds together
- Tiger Global 31 rounds together
- Lightspeed Venture Partners 29 rounds together
About
About Founders Fund
Founders Fund, LLC is an American venture capital firm that invests in technology companies, with a focus on supporting technological development and the growth of startups. The firm operates in the technology sector, providing capital and resources to companies addressing scientific and engineering challenges, and also organizes industry events and conferences related to technology and its societal impact.
Description from Veridion's company data.
- Founded
- 2005
- Based in
- San Francisco, United States
- Team
- 60 people, -5% in a year
- Type
- Venture capital firm
Focus markets
- Technology
What Founders Fund offers
- Venture Capital Investment Services
- Technology Sector Investment Services
- Early-Stage Company Investment Services
- Late-Stage Company Investment Services
- Portfolio Company Growth Support Services
- Startup Founders Advisory Services
- Technology Conference Hosting Services
- Technology Impact Discussion Services
Questions
Founders Fund: frequently asked questions
How many companies has Founders Fund invested in?
368 venture-backed companies on VCMC, across 559 funding rounds.
What are Founders Fund's most valuable private companies?
Anthropic ($1.09T), OpenAI ($374.6B), Stripe ($173.0B), by VCMC's valuation.
What was Founders Fund's latest investment?
Ramp, a Growth round in Oct 2026 of $1.85B, which Founders Fund led.
Which stages does Founders Fund invest in?
Founders Fund invests most often at Series C and later (173 rounds), followed by Series A (154) and Series B (122). It has also joined 106 seed, 2 pre-seed and 2 other venture rounds.
What is Founders Fund's portfolio worth?
Its private companies with a VCMC valuation are worth $2.26T together. That is the sum of the companies' values, not what Founders Fund owns.
Who does Founders Fund invest alongside?
Andreessen Horowitz (80 rounds), Khosla Ventures (75 rounds), General Catalyst (63 rounds).