
The OpenAI Startup Fund is the corporate venture capital arm of OpenAI, investing $175 million in early-stage AI companies where artificial intelligence can have a transformative effect. Founded in 2021, it is based in San Francisco, California.
Average disclosed round size is $103.9M (across 78 rounds with reported amounts).
Portfolio
65
Fund Size
$175M
Top Stage
Seed
Last 12 Mo
13
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
96 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| Series B | — | Jul 2026 | |
| Series B | $70M | Mar 2026 | |
| Series C | $94M | Mar 2026 | |
| Seed | $5.8M | Mar 2026 | |
| Pre-Seed | — | Feb 2026 | |
| Pre-Seed | $10M | Feb 2026 | |
| SSB Energy | Growth | $1B | Jan 2026 |
| Series B | $40M | Jan 2026 | |
| Growth | $1B | Jan 2026 | |
| Series A | $40M | Jan 2026 | |
| Seed | $6.6M | Jan 2026 | |
| Seed | $19M | Jan 2026 | |
| Series B | $81M | Dec 2025 | |
| Series B | $130M | Dec 2025 | |
| Pre-Seed | — | Nov 2025 | |
| Seed | $30M | Oct 2025 | |
| Series A | $15M | Oct 2025 | |
| Seed | $300M | Sep 2025 | |
| Series C | — | Sep 2025 | |
| Series A | — | Sep 2025 | |
| Series A | $55M | Sep 2025 | |
| Series A | — | Aug 2025 | |
| Series A | — | Aug 2025 | |
| Series C | — | Jul 2025 | |
| Series C | $243M | Jul 2025 |
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Top Co-Investors
Andreessen Horowitz18 shared
Kleiner Perkins14 shared
Y Combinator13 shared
Thrive Capital11 shared
OpenAI9 shared
Sequoia Capital9 shared
Khosla Ventures8 shared
Accel7 shared
Oak HC/FT7 shared
Optum Ventures7 shared
Neo7 shared
Abstract Ventures6 shared
Coatue Management LLC6 shared
Figma Ventures6 shared
Google DeepMind6 shared
NVentures5 shared
GV5 shared
Emergence Capital5 shared
Tiger Global Management, LLC4 shared
Last updated: 20 October 2026