Olive Technology Ventures

Seed Series A Series B

Multi-family-office-backed venture platform with ~$1B AUM, led by ex-WestSummit/Vertex Ventures partner Elise Huang; exits include Unity, UiPath.

East Palo Alto
Enterprise Software · Consumer Platforms +5
Fund of Funds · Multi-Stage

Olive Tree Capital

Seed Series A Series B

Boston-based family office-rooted VC investing in technology, life sciences, fintech, and frontier startups globally across early and growth stages.

Boston
HealthTech · BioTech +7
Multi-Stage · Sector-Agnostic

Omega Funds

Seed Series A Series B

Investing in the future of medicine through life sciences

Boston · Geneva
Life Sciences · Healthcare +10
Life Sciences · Healthcare

OMERS Ventures

Seed Series A Series B

Backed by Canada's OMERS pension fund, invests in early-stage fintech, vertical software, and AI infrastructure founders.

Toronto · New York
Consumer · Deeptech +7
Early-Stage · Global VC

OMX Ventures

Seed Series A

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.

Lincolnshire
BioTech · HealthTech +4
Bio/Health-Focused · Early Stage

Oncology Ventures

Seed Series A

Backing founders and companies building the future of cancer care

New York
Smarter Cancer Solutions · Cancer Care Continuum +10
Smarter Cancer Solutions · Cancer Care

Ono Venture Investment

Seed Series A Series B

Corporate VC arm of Ono Pharma investing in early-stage oncology, immunology, and neurology startups synergistic with pharma R&D.

Osaka · San Francisco +1
BioTech · MedTech +3
Corporate VC · Bio/Health-Focused

Open Opportunity Fund

Seed Series A

B2B software VC backing Black and Latino founders across the US

Atlanta
Cloud & AI · B2B Software +6
Latino-Focused · Multi-Stage

Operator Collective

Seed Series A

Venture fund and community of operators backing enterprise and B2B founders

San Francisco
B2B Tech · Enterprise +13
B2B Tech · Operator-Led

Optimist Ventures

Seed Series A Series B

New York-based multi-stage VC backing founders in AI, InsurTech, Fintech, and industrial automation across early and late stage.

New York
AI/ML · InsurTech +6
Solo GP · Multi-Stage

Optum Ventures

Seed Series A Series B

Investing in extraordinary entrepreneurs to transform healthcare

Boston · London
Healthcare Technology · Value-based Care Delivery +6
Healthcare Technology · Early Stage

Ora Global

Seed Series A

Spun out of Exor's century-old conglomerate in 2024, backs resilience-focused founders in AI infrastructure, security and automation.

New York
AI Infrastructure · Physical Security +9
Thesis-Driven · Operator-Led

Skip the browsing. Get all 1398 Seed investors in one sheet — $39 one-time.

Filter by stage, sector and location in Excel or Google Sheets · Website, offices, stages, sectors, founded year, portfolio link, notes · CSV + Excel

Get the Complete Seed Investor Database →

OrbiMed

Seed Series A Series B

Global leader investing in healthcare from early-stage to public companies

New York · San Francisco +5
Future of Health Sciences · Biopharmaceutical +5
Global VC · Healthcare-Focused

Origin Ventures

Seed Series A

Early-stage VC leading seed and Series A rounds for 25+ years, now focused on AI infrastructure, AI-native software, and frontier tech.

San Francisco · Salt Lake City +4
AI/ML · Infrastructure +6
Early-Stage · Operator-Led

Orlando Health Ventures

Seed Series A Series B

Corporate venture arm of Orlando Health backing medtech, biotech, and health-services startups that pilot within the health system before scaling.

Orlando
Medtech · Biotech +1
Corporate VC · Early-Stage

Osage Venture Partners

Seed Series A

Investing in early-stage B2B software start-ups for over two decades

Philadelphia
B2B Software · AI-enabled Future of Work +6
B2B Software · Future of Work & Education

Outsiders Fund

Seed Series A

Early-stage VC backing European founders building enduring tech companies

New York
Enterprise · SaaS/Software +9
USA · Canada

Overlap Holdings

Seed Series A Series B

Frontier tech VC investing in Seed through Series B, pairing equity with free debt advisory and non-dilutive government funding support.

New York
DeepTech · ClimateTech +7
Solo GP · Early-Stage

Overmatch Ventures

Seed Series A Series B

Early-stage VC backing deep tech, defense, and space founders in the US. Built by military veterans and operators investing from Seed through Series B.

Austin
DeepTech · Defense Tech +5
Operator-Led · Early Stage

Overture

Seed Series A

Early-stage VC investing in energy, AI, resilience, and industrial transformation startups, helping founders win government support.

Los Angeles
Energy · ClimateTech +5
Operator-Led · Founder-Led

Pace Capital

Seed Series A

Pre-consensus early-stage VC firm backing technical founders

New York
SaaS/Software · AI/ML +10
Technology · Consumer

PACE Healthcare Capital

Seed Series A Series B

Chicago-based VC investing in digital health and healthcare tech

Chicago
Healthcare · Digital Health +3
Operator-Led · Female-Founded

Paladin Capital Group

Seed Series A Series B

A multi-stage global investor focused on advanced technology and Digital Infrastructure Resilience, supporting companies that address global cyber security needs for commercial and government customers.

Washington DC · New York +3
Cybersecurity · Digital Infrastructure Resilience +3
Cybersecurity · Multi Stage

Pallas Ventures

Seed Series A

Venture arm of Pallas Advisors investing in early-stage dual-use and national security tech companies, backed by senior former Pentagon and military leaders.

Washington DC
Defense Tech · AI/ML +4
Corporate VC · Early Stage

Showing 601–624 of 902 investors

This list has 902 investors. The full database has 1398.

Get all 1398 Seed investors in one sheet for $39 one-time. Filter by stage, sector and location in Excel or Google Sheets · Website, offices, stages, sectors, founded year, portfolio link, notes · CSV + Excel

Get the Complete Seed Investor Database →

Related Investor Lists