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 by their portfolio companiesRebuilt 12 Nov 2026
investors
1,573
portfolio startups
18,139
of them raised in 12 months
198
accelerators
179

Investors backing startups in the United States

InvestorStartups herePortfolio rounds, 12 moLatest activity
Y CombinatorAccelerator · United States · Orgo, chkit Docs, Superserve3,349259Oct 2026
TechstarsAccelerator · United States · FileMarket AI Data Labs, Certa.ai, Novo2,009112Nov 2026
500 GlobalAccelerator · United States · Reddit, Stripe, UpGuard57735Oct 2026
Plug and PlayAccelerator · United States · PayPal, Google, Lamar Health526159Nov 2026
Andreessen HorowitzVenture capital · United States · Tutor Intelligence, Lightfield, Circle483101Nov 2026
Soma CapitalVenture capital · United States · OpenAI, Anthropic, Databricks39563Nov 2026
Insight PartnersVenture capital · United States · Charta Health, Qualitate, Factory35984Nov 2026
NEAVenture capital · United States · Adobe, Oracle, Salesforce33338Oct 2026
General CatalystVenture capital · United States · Dren Bio, Fragment, Otter.ai331124Nov 2026
GVVenture capital · United States · Neuralink, Stripe, Google31358Oct 2026
Lightspeed Venture PartnersVenture capital · United States · Mandl, alifsemi, Omnifold27686Nov 2026
Sequoia CapitalVenture capital · United States · Trajectory, Pierre Computer Company, Whop26092Nov 2026
AccelVenture capital · United States · Scuba, Perplexity AI, Microsoft24387Nov 2026
Bessemer Venture PartnersVenture capital · United States · Bedrock Robotics, Furientis, Perplexity AI23371Oct 2026
Kleiner PerkinsVenture capital · United States · Traversal, Flapping Airplanes, Modal20149Nov 2026
Menlo VenturesVenture capital · United States · Greptile, Town, Warp Sciences19545Oct 2026
CoatueVenture capital · United States · Kalshi, OpenAI, Jasper AI19335Nov 2026
FelicisVenture capital · United States · Phonic, Arena, Plaid15735Nov 2026
Battery VenturesVenture capital · United States · Traversal, Affirm, Amplitude15037Nov 2026
First Round CapitalVenture capital · United States · Mach9, Phonic, Uber14531Oct 2026
SOSVAccelerator · United States · RadianX, Opal Therapeutics, Formlabs14437Nov 2026
DCVCVenture capital · United States · Rainmaker, Nobell Foods, Circularity Fuels14228Nov 2026
AntlerAccelerator · Singapore · Coframe, CodeIntegrity, Fueled14061Nov 2026
Abstract VenturesVenture capital · United States · OuterSignal, xAI, Method Financial14034Nov 2026
Index VenturesVenture capital · United Kingdom · Scale AI, RevenueCat, Tekion13876Nov 2026
Redpoint VenturesVenture capital · United States · OpenAI, Anthropic, Microsoft13842Nov 2026
GreycroftVenture capital · United States · Anduril Industries, Character.AI, Salesforce13320Nov 2026
Elevate VenturesVenture capital · United States · Anduril Industries, Microsoft, Oracle1298Sep 2026
Initialized CapitalVenture capital · United States · Icarus, Robocurve, Outer Bio\"12819Oct 2026
SV AngelAngel network · United States · Temporal, OpenAI, Anthropic12631Nov 2026
8VCAccelerator · Fragment, Anduril Industries, Palantir Technologies12342Oct 2026
Sapphire VenturesVenture capital · Tractian, ElevenLabs, Google12229Nov 2026
EndeavorAccelerator · United States · Hilbert, Linq, ElevenLabs12155Oct 2026
Wellington ManagementInvestor · United States · Databricks, Scale AI, Coinbase12111Oct 2026
CRVVenture capital · United States · IBM, Luma AI, Zendesk11226Oct 2026
Multimodal VenturesVenture capital · Misprint, DeepSim, Entangl10919Oct 2026
Great Oaks Venture CapitalVenture capital · United States · SmithRx, AllTrails, Houzz1087Oct 2026
RA Capital ManagementInvestor · United States · BioMarin Pharmaceutical Inc., Natera, Phathom Pharmaceuticals10730Oct 2026
E14 FundVenture capital · United States · Meticulate, Replit, Lancedb10418Oct 2026
Pear VCVenture capital · United States · Lore, Phinity Labs, Crossmint10324Oct 2026

The most backed startups in the United States

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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 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.

Source: investors' portfolio pages and announced rounds, 2,418 portfoliosUpdated 12 Nov 2026MethodologyJSONCC BY-SA 4.0