About Founders Fund
Founders Fund is a venture capital firm founded in 2005. It is primarily based out of San Francisco, United States. As of Apr 2026, Founders Fund is an active investor, having invested in 556 companies, with 23 new investments in the last 12 months. It primarily invests in Series A round in United States based startups. Its investments are spread across a wide range of sectors from Enterprise Applications to High Tech and Consumer. Most recently it participated in the $***** Series C round of Loop Overall, Founders Fund portfolio has seen 47 unicorns, 28 IPOs and 128 acquisitions including key companies like Nubank, Affirm and Airbnb. A lot of funds co-invest with Founders Fund, with names like Andreessen Horowitz sharing a substantial percentage of its portfolio. Founders Fund has team of 35 people including 22 partners.Key Metrics
Team Members
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Series A, Seed & 8 more
Portfolio Acquisitions
Portfolio Unicorns
Portfolio Soonicorns
Deals in last 12 months
Founders Fund's List of Top Investments
Founders Fund has a portfolio of 556 companies, including 47 unicorns. Their most notable investments are in Grit and Seed.Their portfolio spans across United States, United Kingdom, Germany and 24 more locations. They have invested in Enterprise Applications, High Tech, Consumer and 36 other sectors, across stages such as Series A, Seed and 8 more. Here is the list of top investments by Founders Fund:
1. Nubank
Provider of digital banking services, including credit cards and accounts. It offers various financial solutions through its application. These solutions include tools for managing money and protecting finances. The company focuses on providing accessible and straightforward banking experiences.
Key facts about Nubank
- Founded Year: 2013
- Location: Sao Paulo (Brazil)
- Annual Revenue: €46.6B as on Dec 31, 2024
- Stage: Public
- Total Funding till date: $2.27B
- Employee Count: 11,551 as on Mar 31, 2026
- Investors: TCV, Harvest Growth Capital and 39 Others
- Latest Funding Round: Series G, Jun 08, 2021, $*****
- Highlight: Public
2. Affirm
Provider of point of sale financing solutions for consumers and merchants. It facilitates payment plans with transparent terms and no hidden fees. The company provides options for consumers to pay over time at various retailers. It offers a mobile application and browser extension to manage payments.
Key facts about Affirm
- Founded Year: 2012
- Location: San Francisco (United States)
- Annual Revenue: $3.11B as on Jun 30, 2025
- Stage: Public
- Total Funding till date: $1.22B
- Employee Count: 3,056 as on Mar 31, 2026
- Investors: HTIF, Fidelity Investments and 40 Others
- Latest Funding Round: Series G, Sep 17, 2020, $*****
- Highlight: Public
3. Airbnb
Provider of accommodations, experiences, and related services through an online platform. The platform facilitates connections between hosts and individuals seeking lodging and activities. It offers a variety of options for stays and curated experiences. The platform also provides resources for individuals interested in becoming hosts.
Key facts about Airbnb
- Founded Year: 2008
- Location: San Francisco (United States)
- Annual Revenue: $11.1B as on Dec 31, 2024
- Stage: Public
- Total Funding till date: $2.95B
- Employee Count: 69,846 as on Mar 31, 2026
- Investors: Section Partners, Silver Lake and 153 Others
- Latest Funding Round: Series E, Apr 06, 2020, $*****
- Highlight: Public
4. OpenAI
Developer of artificial intelligence models tools and research-driven platforms. The company conducts AI research and deploys large-scale models for language, vision, audio and multimodal tasks, with the goal of creating artificial general intelligence that benefits humanity. Its portfolio includes generative models such as the GPT series for text, multimodal interaction systems, and other APIs and applications that developers and enterprises integrate into products, workflows and services.
Key facts about OpenAI
- Founded Year: 2015
- Location: San Francisco (United States)
- Valuation: $*****
- Stage: Series G
- Total Funding till date: $180B
- Employee Count: 7,708 as on Mar 31, 2026
- Investors: Glynn Capital, Fidelity Investments and 68 Others
- Latest Funding Round: Series G, Mar 20, 2026, $*****
- Highlight: Editors' Pick
5. Facebook
Operator of a social networking service facilitating connection and communication. Its services allows users to connect with friends, family, and other individuals. It provides tools for sharing updates, photos, and videos. The platform also offers features for creating and joining groups, following interests, and discovering content.
Key facts about Facebook
- Founded Year: 2004
- Location: Menlo Park (United States)
- Annual Revenue: $201B as on Dec 31, 2025
- Stage: Public
- Total Funding till date: $2.27B
- Employee Count: 25,836 as on Mar 31, 2026
- Investors: TCV, Glynn Capital and 114 Others
- Latest Funding Round: Grant (prize money), Jan 15, 2017, $*****
- Highlight: Public
Founders Fund's Year-on-Year Investment Trends
Founders Fund has invested in 556 companies over the last 21 years, with an average of 35 new investments annually in the last 10 years. In 2025, it made 61 investments, while as of Apr 2026, it has made 15 investments in this year. Its most recent first time investment was in Swarm Aero and most recent follow-on round was in Loop.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 8 | 7 | 15 |
2025 | 20 | 41 | 61 |
2024 | 20 | 20 | 40 |
2023 | 27 | 16 | 43 |
2022 | 53 | 33 | 86 |
2021 | 62 | 54 | 116 |
2020 | 38 | 24 | 62 |
2019 | 43 | 22 | 65 |
2018 | 41 | 19 | 60 |
2017 | 21 | 16 | 37 |
Founders Fund's Investments by Stage
Founders Fund has made 212 investments in Series A stage with an average round size of $16.2M, 179 investments in Seed stage with an average round size of $6.63M and 81 investments in Series B stage with an average round size of $41M.Stage of entry | No. of Investments |
|---|---|
Series A | 212 |
Seed | 179 |
Series B | 81 |
Series C | 36 |
Series D | 11 |
Others | 13 |
Note: We have considered here, only first round of investments
Founders Fund's Investments by Sector
Founders Fund has a diverse portfolio, with companies operating in the Enterprise Applications, Consumer, High Tech, FinTech and HealthTech. Notably, it has invested in 502 Tech companies, 333 Enterprise (B2B) companies, 298 Software companies and at least 230 companies focusing on Consumer (B2C).Sector | No. of Investments |
|---|---|
Enterprise Applications | 219 |
Consumer | 141 |
High Tech | 129 |
FinTech | 83 |
HealthTech | 63 |
Others | 658 |
Note: We have considered here, only first round of investments
Founders Fund's Investments by Geography
Founders Fund has made most investments in United States (456), followed by United Kingdom where it has made 9 investments.Country | No. of Investments |
|---|---|
United States | 456 |
United Kingdom | 9 |
Germany | 8 |
Norway | 8 |
Brazil | 7 |
Others | 44 |
Note: We have considered here, only first round of investments
Founders Fund's recent investments
Founders Fund has made 15 investments in 2026 so far. Loop and Alloy Therapeutics are the latest among them.Here are the most recent investments by Founders Fund:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Apr 17, 2026 | United States | Series C | 3641 | ||
Mar 31, 2026 | United States | Series E | 2283 | [+5] | |
Mar 26, 2026 | United Kingdom | Series B | 9562 | [+3] | |
Mar 24, 2026 | New Zealand | Series E | 9796 | [+7] | |
Mar 11, 2026 | United States | Series A | 1211 | [+8] |
Unicorns in Founders Fund's Portfolio
Founders Fund has 47 unicorns in its portfolio - Nominal, Eight Sleep, Radiant Nuclear and others. The most recent unicorn in their portfolio is Nominal. It became a unicorn in 2026, 3 years after Founders Fund first invested in it.Here is a list of unicorns in Founders Fund's portfolio:
Tracxn Score | Company | Short Description | Founded year | Sector | Location | Company Stage | First Investment/ Acquisition Details |
|---|---|---|---|---|---|---|---|
61 | Provider of a unified industrial data stack for hardware engineering | 2017 | Los Angeles | Series B | qqgmjth | ||
81 | Provider of AI-based internet-first brand of mattress and smart mattress covers | 2014 | New York City | Series D | jtny{jf | ||
60 | Developer of portable nuclear microreactors designed to replace diesel generators | 2019 | Los Angeles | Series D | swuknxx | ||
47 | Developer of technology for semiconductor fabrication to extend Moore's Law | - | San Francisco | Series A | gpwzxkr | ||
67 | Online brand offering multi-category fashion products for men and women | 2018 | San Francisco | Series E | yy{itnt |
IPOs and Publicly Listed companies in Founders Fund's Portfolio
28 of Founders Fund's portfolio companies have become public. BitGo got listed on the New York Stock Exchange (NYSE), in Jan 2026 at marketcap of $1.92B and Figma got listed on the New York Stock Exchange (NYSE) at marketcap of $13.5B.Here are Founders Fund's portfolio companies that went public:
Company | IPO Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Jan 22, 2026 | Jun 16, 2014 | Series A | 5427 | |
Jul 31, 2025 | Feb 08, 2019 | Series C | 8273 | |
Mar 02, 2022 | Mar 28, 2017 | Series A | 3255 | |
Dec 09, 2021 | Jan 08, 2016 | Series C | 5960 | |
Jul 16, 2021 | Jan 20, 2016 | Series C | 5161 |
Acquired companies in Founders Fund's Portfolio
128 companies from Founders Fund's portfolio have been acquired. The most recent acquisition were Teamraderie in Apr 2026 by ExecOnline.Here are Founders Fund's portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Apr 15, 2026 | Nov 08, 2022 | Series A | 5603 | |
Apr 08, 2026 | Oct 24, 2019 | Seed | 5296 | |
Mar 10, 2026 | Nov 30, 2022 | Series B | 4751 | |
Feb 12, 2026 | - | - | 1906 | |
Feb 01, 2026 | Apr 22, 2024 | Series A | 5833 |
Team profile of Founders Fund
Founders Fund has a team of 35 members including 22 Partners, 2 Venture Partners and 9 Principals located in United States, United Kingdom and 2 more locations. Founders Fund's team sits on the board of 10 companies.Here is a list of top team members in Founders Fund:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | San Francisco | Adentro and Nanotronics | ||
Partner | San Francisco | |||
Partner | San Francisco | |||
Partner | Los Angeles | - | ||
Partner | San Francisco | |||
Partner | New York City | |||
Partner | San Francisco | - | ||
Partner | Miami | |||
Partner | San Francisco | - | ||
Partner | Miami | - | ||
Partner | San Francisco | - |
Co-investors of Founders Fund
Over the past 21 years, 3819 investors have co-invested in Founders Fund's portfolio companies. This includes funds and angels.
- Invested before Founders Fund: Y Combinator, Andreessen Horowitz and 900 others have invested in rounds before Founders Fund. There are 39 companies where Y Combinator has invested before Founders Fund and 14 companies where Andreessen Horowitz has invested before Founders Fund.
- Top Co-investors of Founders Fund: 1267 investors entered a company along with Founders Fund. These include investors like Andreessen Horowitz (32 companies).
- Invested after Founders Fund: A total of 1650 investors have invested in Founders Fund's portfolio after their investments. Top Investors include Tiger Global Management (17 companies), Fidelity Investments (16 companies) and Andreessen Horowitz (16 companies).
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