Who invests in startups in the United States
1,573 investors back startups in the United States: funds, accelerators and angel networks with at least two portfolio companies there, 18,139 portfolio startups in all. The most active here are Y Combinator (3349), Techstars (2009) and 500 Global (577). 179 of them are accelerators.
Investors backing startups in the United States
| Investor | Startups here | Portfolio rounds, 12 mo | Latest activity |
|---|---|---|---|
| 3,349 | 259 | Oct 2026 | |
| 2,009 | 112 | Nov 2026 | |
| 577 | 35 | Oct 2026 | |
| 526 | 159 | Nov 2026 | |
| 483 | 101 | Nov 2026 | |
| 395 | 63 | Nov 2026 | |
| 359 | 84 | Nov 2026 | |
| 333 | 38 | Oct 2026 | |
| 331 | 124 | Nov 2026 | |
| 313 | 58 | Oct 2026 | |
| 276 | 86 | Nov 2026 | |
| 260 | 92 | Nov 2026 | |
| 243 | 87 | Nov 2026 | |
| 233 | 71 | Oct 2026 | |
| 201 | 49 | Nov 2026 | |
| 195 | 45 | Oct 2026 | |
| 193 | 35 | Nov 2026 | |
| 157 | 35 | Nov 2026 | |
| 150 | 37 | Nov 2026 | |
| 145 | 31 | Oct 2026 | |
| 144 | 37 | Nov 2026 | |
| 142 | 28 | Nov 2026 | |
| 140 | 61 | Nov 2026 | |
| 140 | 34 | Nov 2026 | |
| 138 | 76 | Nov 2026 | |
| 138 | 42 | Nov 2026 | |
| 133 | 20 | Nov 2026 | |
| 129 | 8 | Sep 2026 | |
| 128 | 19 | Oct 2026 | |
| 126 | 31 | Nov 2026 | |
| 88VCAccelerator · Fragment, Anduril Industries, Palantir Technologies | 123 | 42 | Oct 2026 |
| 122 | 29 | Nov 2026 | |
| 121 | 55 | Oct 2026 | |
| 121 | 11 | Oct 2026 | |
| 112 | 26 | Oct 2026 | |
| 109 | 19 | Oct 2026 | |
| 108 | 7 | Oct 2026 | |
| 107 | 30 | Oct 2026 | |
| 104 | 18 | Oct 2026 | |
| 103 | 24 | Oct 2026 |
The most backed startups in the United States
| Startup | Investors in this list |
|---|---|
| 61 | |
| 39 | |
| 34 | |
| 34 | |
| 34 | |
| 33 | |
| 31 | |
| 31 | |
| 31 | |
| 30 | |
| 29 | |
| 28 | |
| 27 | |
| 27 | |
| 25 |
By sector
More on startups in the United States
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Who invests in startups in the United States?
1,573 investors back startups in the United States: funds, accelerators and angel networks with at least two portfolio companies there, 18,139 portfolio startups in all. The most active here are Y Combinator (3349), Techstars (2009) and 500 Global (577). 179 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 United States when at least two of its portfolio companies are based there; the list is rebuilt every night from 2,418 portfolios.
