Octopus Ventures
European venture capital firm backing founders solving tomorrow's challenges
Offline Ventures
Early-stage fund & studio backing founders who build differently & serve humanity
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.
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.
Olive Tree Capital
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.
OMX Ventures
Lincolnshire-based early-stage VC investing at the convergence of biology, big data, and AI, backing therapeutics, bio-tools, diagnostics, and synthetic biology companies across North America and Europe.
One Peak
Growth equity firm with $4B+ AUM investing $15M–$150M in European software scale-ups with $5M+ ARR, backing category-defining SaaS companies from growth through IPO or exit.
OneSixOne Ventures
Pre-seed VC for enterprise software and govtech startups
ONEVC
Seed-stage VC backing Latin American founders, run by former operators who help recruit talent and build people strategy.
Open Opportunity Fund
B2B software VC backing Black and Latino founders across the US
OpenOcean
Pan-European early-stage VC backing technical B2B software founders at Seed and Series A, with roots in building MySQL and MariaDB.
OpenSky
Operator-led fund founded by ex-Pandemic Studios and StackCommerce founders, backing commerce-enablement tech and consumer brands at pre-seed through Series A.
Operator Collective
Venture fund and community of operators backing enterprise and B2B founders
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.
Optimist Ventures
New York-based multi-stage VC backing founders in AI, InsurTech, Fintech, and industrial automation across early and late stage.
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.
Oraseya Capital
Dubai government-backed VC fund of DIEZ investing pre-seed to Series B in UAE-tied tech startups, most active investor in the UAE.
Oregon Venture Fund
Regional VC providing capital and support to Oregon/SW Washington startups and growth companies
Origin Ventures
Early-stage VC leading seed and Series A rounds for 25+ years, now focused on AI infrastructure, AI-native software, and frontier tech.
Showing 1297–1320 of 1951 investors
Get the Complete AI Investor Database
1951 investors · Stages · Sectors · Locations · CSV + Excel
Get all 1951 investors →