NY Ventures
New York State's venture arm deploying $300M+ via direct and fund-of-funds programs since 2015; 71% of portfolio women-, minority-, or veteran-led.
NYX Ventures
Empowering AGI startups from pre-seed to pre-IPO
Oak HC/FT
Venture and growth equity firm backing healthcare and fintech companies from seed through growth stage, with $5.3B AUM.
Oceans Ventures
New York-based operator-led pre-seed and seed VC, backing tech founders with 25 years of Apple, Facebook, and Google operating experience across hiring, GTM, and fundraising.
Offline Ventures
Early-stage fund & studio backing founders who build differently & serve humanity
Offscript
Generalist seed fund backing founders with unconventional life narratives, betting that being "written off" is often a sign of exceptional character.
OG Venture Partners
Multi-stage VC backed by a single LP, Eyal Ofer's Ofer Global, giving founders patient capital and a multi-generational business network.
Ohio Innovation Fund
Early-stage VC based in Dublin, Ohio investing $500K–$4M in disruptive founders across AI/ML, cybersecurity, medtech, AR/VR, SaaS, and biotech with a team track record of 7 unicorns.
Okapi Venture Capital
Named for the "dense jungle"-adapted animal, this seed and early-stage fund has backed information technology and life science startups since 2005.
Okta Ventures
Corporate venture arm of Okta investing in identity, security, and privacy startups across all stages to extend the Okta ecosystem.
Old Line Capital Partners
Bowie, Maryland pre-seed/seed VC providing hands-on mentoring and small-business expertise to founders across Maryland and the Mid-Atlantic.
Olive Technology Ventures
Multi-family-office-backed venture platform with ~$1B AUM, led by ex-WestSummit/Vertex Ventures partner Elise Huang; exits include Unity, UiPath.
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Boston-based family office-rooted VC investing in technology, life sciences, fintech, and frontier startups globally across early and growth stages.
OMERS Ventures
Backed by Canada's OMERS pension fund, invests in early-stage fintech, vertical software, and AI infrastructure founders.
Oncology Ventures
Backing founders and companies building the future of cancer care
OneSixOne Ventures
Pre-seed VC for enterprise software and govtech startups
Open Opportunity Fund
B2B software VC backing Black and Latino founders across the US
Operator Collective
Venture fund and community of operators backing enterprise and B2B founders
Operator Partners
Self-funded operator collective investing own capital in technology companies from pre-seed through Series B, never leading rounds or taking board seats.
Operators Studio
Micro-VC run by solo GP Soumitra Sharma backing "Global Indian" tech founders in the US-India corridor with $50–100k pre-seed and seed checks.
Optum Ventures
Investing in extraordinary entrepreneurs to transform healthcare
Ora Global
Spun out of Exor's century-old conglomerate in 2024, backs resilience-focused founders in AI infrastructure, security and automation.
Orange Collective
AI-native YC alumni fund backing breakout YC founders building in AI infrastructure, applied AI, agentic tools, and vertical software at seed stage.
Oregon Venture Fund
Regional VC providing capital and support to Oregon/SW Washington startups and growth companies
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