The most active AI startup investors
1,294 investors hold three or more AI startups each, 11,543 portfolio startups in all. The most active here are Y Combinator (1466), Techstars (672) and Plug and Play (608). 192 of them are accelerators.
Investors backing startups worldwide
| Investor | Startups here | Portfolio rounds, 12 mo | Latest activity |
|---|---|---|---|
| 1,466 | 255 | Oct 2026 | |
| 672 | 97 | Oct 2026 | |
| 608 | 154 | Nov 2026 | |
| 268 | 53 | Nov 2026 | |
| 222 | 35 | Oct 2026 | |
| 212 | 102 | Nov 2026 | |
| 204 | 83 | Oct 2026 | |
| 197 | 59 | Oct 2026 | |
| 158 | 86 | Nov 2026 | |
| 150 | 121 | Nov 2026 | |
| 148 | 58 | Oct 2026 | |
| 143 | 83 | Oct 2026 | |
| 130 | 90 | Nov 2026 | |
| 129 | 57 | Oct 2026 | |
| 120 | 70 | Oct 2026 | |
| 118 | 55 | Oct 2026 | |
| 117 | 38 | Oct 2026 | |
| 92 | 69 | Oct 2026 | |
| 91 | 34 | Oct 2026 | |
| 88 | 46 | Oct 2026 | |
| Aa16z speedrunAccelerator · Arise, Hedra, Greenhouse Software | 87 | 19 | Sep 2026 |
| 84 | 49 | Nov 2026 | |
| 83 | 58 | Oct 2026 | |
| 78 | 34 | Nov 2026 | |
| 76 | 34 | Oct 2026 | |
| 75 | 81 | Oct 2026 | |
| 74 | 35 | Sep 2026 | |
| 70 | 9 | Oct 2026 | |
| 69 | 22 | Sep 2026 | |
| 68 | 18 | Oct 2026 | |
| 66 | 41 | Oct 2026 | |
| 66 | 18 | Oct 2026 | |
| 65 | 26 | Nov 2026 | |
| 64 | 35 | Oct 2026 | |
| 63 | 26 | Oct 2026 | |
| 61 | 67 | Oct 2026 | |
| 61 | 21 | Oct 2026 | |
| 59 | 27 | Sep 2026 | |
| 58 | 31 | Oct 2026 | |
| 58 | 22 | Sep 2026 |
The most backed startups worldwide
| Startup | Investors in this list |
|---|---|
| 39 | |
| 34 | |
| 31 | |
| 29 | |
| 23 | |
| 22 | |
| 21 | |
| 20 | |
| 20 | |
| 19 | |
| 19 | |
| 19 | |
| 19 | |
| 18 | |
| 18 |
By country
Raising a round?
Tell us about your startup once: Alion matches it to the investors that back companies like it and tells you when a fund starts backing startups in .
Questions
Who invests in AI startups?
1,294 investors hold three or more AI startups each, 11,543 portfolio startups in all. The most active here are Y Combinator (1466), Techstars (672) and Plug and Play (608). 192 of them are accelerators.
How is this list built?
From what each investor holds: the portfolio page it publishes, the Y Combinator directory and the announced rounds that name it. An investor counts for a sector when at least three of its portfolio companies are based there; the list is rebuilt every night from 2,414 portfolios.
