OpenAI's Funding Rounds
OpenAI has raised a total of $180B over 14 funding rounds: 1 Seed, 2 Early-Stage, 9 Late-Stage, 1 Debt and 1 Grant (prize money) rounds. OpenAI's largest funding round so far was a Series F round for $122B in Feb 2026.
Here is the list of all funding rounds of OpenAI:
Date of Funding | Funding Amount | Round Name | Post-Money Valuation | Revenue Multiple | Lead Investors | Other Investors |
|---|---|---|---|---|---|---|
Apr 22, 2026 | $75M | Series F | $852B | - | - | |
Mar 20, 2026 | $40M | Series F | - | - | - | - |
Feb 27, 2026 | $122B | Series F | $840B | - | Amazon, Nvidia, Microsoft, Altimeter Capital, Appaloosa Management, ARK Investment Management, Sequoia Capital, Thrive Capital, Andreessen Horowitz, The D. E. Shaw Group, MGX, TPG, BlackRock, Blackstone, Coatue, D1 Capital Partners, Dragoneer Investment Group, Fidelity Investments, Goanna Capital, Insight Partners, Sands Capital, Sound Ventures, Temasek, UC Investments, Winslow Capital | |
2025 | Undisclosed | Series D | - | - | - | |
Mar 31, 2025 | $40B | Series E | $300B | - | ||
Nov 22, 2024 | Undisclosed | Series D | - | - | - | |
Oct 07, 2024 | $4B | Conventional Debt | - | - | - | |
Oct 02, 2024 | $6.6B | Series D | $157B | - | ||
Apr 28, 2023 | $300M | Series C | $27B | - | - | |
Jan 23, 2023 | $10B | Series C | $29B | - | - | |
Jul 22, 2019 | $1B | Series B | $14B | - | - | |
Jan 2019 | $50M | Series A | $1B | - | - | |
2016 | Undisclosed | Seed | - | - | - | |
Dec 2015 | $130M | Grant (prize money) | - | - | - |
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OpenAI's Investors
OpenAI has total 98 investors, 93 are institutional investors including Microsoft and 92 others, 5 are Angel investors including Reid Hoffman and 4 others.
Here is the list of institutional investors of OpenAI:
- Robinhood, located in Menlo Park (United States), made their first investment in OpenAI on Apr 22, 2026 in its Series F round.
- SoftBank Group, located in Minato City (Japan), made their first investment in OpenAI on Oct 02, 2024 in its Series D round.
- Amazon, located in Seattle (United States), made their first investment in OpenAI on Feb 27, 2026 in its Series F round.
- Nvidia, located in Santa Clara (United States), made their first investment in OpenAI on Oct 02, 2024 in its Series D round.
- Microsoft, located in Redmond (United States), made their first investment in OpenAI on Jul 22, 2019 in its Series B round.
- Altimeter Capital, located in Boston (United States), made their first investment in OpenAI on Oct 02, 2024 in its Series D round.
- Appaloosa Management, located in Miami Beach (United States), made their first investment in OpenAI on Feb 27, 2026 in its Series F round.
- ARK Investment Management, located in St. Petersburg (United States), made their first investment in OpenAI on Oct 02, 2024 in its Series D round.
- Sequoia Capital, located in Menlo Park (United States), made their first investment in OpenAI on Apr 28, 2023 in its Series C round.
- Thrive Capital, located in New York City (United States), made their first investment in OpenAI on Apr 28, 2023 in its Series C round.
- Andreessen Horowitz, located in New York City (United States), made their first investment in OpenAI on Apr 28, 2023 in its Series C round.
- The D. E. Shaw Group, located in New York City (United States), made their first investment in OpenAI on Feb 27, 2026 in its Series F round.
- MGX, located in Abu Dhabi (United Arab Emirates), made their first investment in OpenAI on Oct 02, 2024 in its Series D round.
- TPG, located in Fort Worth (United States), made their first investment in OpenAI on Mar 31, 2025 in its Series E round.
- BlackRock, located in New York City (United States), made their first investment in OpenAI on Feb 27, 2026 in its Series F round.
- Blackstone, located in New York City (United States), made their first investment in OpenAI on Mar 31, 2025 in its Series E round.
- Coatue, located in New York City (United States), made their first investment in OpenAI on Mar 31, 2025 in its Series E round.
- D1 Capital Partners, located in New York City (United States), made their first investment in OpenAI on Feb 27, 2026 in its Series F round.
- Dragoneer Investment Group, located in San Francisco (United States), made their first investment in OpenAI on Mar 31, 2025 in its Series E round.
- Fidelity Investments, located in Boston (United States), made their first investment in OpenAI on Oct 02, 2024 in its Series D round.
- Goanna Capital, located in Palm Beach (United States), made their first investment in OpenAI on Feb 27, 2026 in its Series F round.
- Insight Partners, located in New York City (United States), made their first investment in OpenAI on Feb 27, 2026 in its Series F round.
- Sands Capital, located in Arlington (United States), made their first investment in OpenAI on Feb 27, 2026 in its Series F round.
- Sound Ventures, located in United States, made their first investment in OpenAI on Feb 27, 2026 in its Series F round.
- Temasek, located in Singapore, made their first investment in OpenAI on Feb 27, 2026 in its Series F round.
- UC Investments, made their first investment in OpenAI on Feb 27, 2026 in its Series F round.
- Winslow Capital, located in Minneapolis (United States), made their first investment in OpenAI on Feb 27, 2026 in its Series F round.
- Anti Fund, located in United States, made their first investment in OpenAI on 2025 in its Series D round.
- T. Rowe Price, located in Baltimore (United States), made their first investment in OpenAI on Mar 31, 2025 in its Series E round.
- D1 Capital Partners, located in New York City (United States), made their first investment in OpenAI on Mar 31, 2025 in its Series E round.
- Founders Fund, located in San Francisco (United States), made their first investment in OpenAI on Apr 28, 2023 in its Series C round.
- Tiger Global Management, located in New York City (United States), made their first investment in OpenAI on Apr 28, 2023 in its Series C round.
- CoreNest, located in Dubai (United Arab Emirates), made their first investment in OpenAI on Nov 22, 2024 in its Series D round.
- Wells Fargo, located in San Francisco (United States), made their first investment in OpenAI on Oct 07, 2024 in its Conventional Debt round.
- UBS, located in Zurich (Switzerland), made their first investment in OpenAI on Oct 07, 2024 in its Conventional Debt round.
- Sumitomo Mitsui Banking Corporation, located in Chiyoda City (Japan), made their first investment in OpenAI on Oct 07, 2024 in its Conventional Debt round.
- Santander, located in Madrid (Spain), made their first investment in OpenAI on Oct 07, 2024 in its Conventional Debt round.
- Morgan Stanley, located in New York City (United States), made their first investment in OpenAI on Oct 07, 2024 in its Conventional Debt round.
- JPMorgan Chase, located in New York (United States), made their first investment in OpenAI on Oct 07, 2024 in its Conventional Debt round.
- HSBC, located in London (United Kingdom), made their first investment in OpenAI on Oct 07, 2024 in its Conventional Debt round.
- Goldman Sachs, located in New York City (United States), made their first investment in OpenAI on Oct 07, 2024 in its Conventional Debt round.
- Citi, located in New York City (United States), made their first investment in OpenAI on Oct 07, 2024 in its Conventional Debt round.
- Khosla Ventures, located in Menlo Park (United States), made their first investment in OpenAI on Jan 2019 in its Series A round.
- Flat Capital, located in Stockholm (Sweden), made their first investment in OpenAI on Apr 28, 2023 in its Series C round.
- K2 Global, located in Singapore (Singapore), made their first investment in OpenAI on Apr 28, 2023 in its Series C round.
- Y Combinator, located in Mountain View (United States), made their first investment in OpenAI on 2016 in its Seed round.
- Infosys, located in Bengaluru (India), made their first investment in OpenAI on Dec 2015 in its Grant (prize money) round.
- YC Research, located in France, made their first investment in OpenAI on Dec 2015 in its Grant (prize money) round.
- Amazon Web Services, located in Seattle (United States), made their first investment in OpenAI on Dec 2015 in its Grant (prize money) round.
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