Summit Partners

Series B Series C Series D

Global growth-equity firm since 1984 pairing proprietary sourcing with hands-on operational support for tech, healthcare and growth-sector leaders.

Boston · Menlo Park +3
Technology · Healthcare +6
Growth Stage · Global VC

SV Health Investors

Seed Series A Series B

Empowering innovators to improve patients' lives

London · Boston
Biotechnology · Dementia +5
Healthcare · Multi Stage

SV Investment

Series A Series B Series C

Korean VC and private equity firm investing in TMT, consumer & entertainment, healthcare, and advanced manufacturing, often leading rounds and supporting global growth.

Seoul · Boston +3
TMT · Consumer +4
Global VC · Multi-Stage

TA Associates

Series B Series C Series D

Boston-founded (1968) growth-equity firm sourcing deals via direct outreach, taking minority or majority stakes in profitable, high-growth companies.

Boston · Menlo Park +4
Business Services · Consumer +6
Growth Stage · Global VC

TDK Ventures

Seed Series A Series B

Global, founder-first corporate venture capital investing in deeptech and sustainability

San Jose · Boston +4
Digital · Energy +14
Corporate VC · Global VC

Ten Eleven Ventures

Seed Series A Series B

Multi-stage global cybersecurity VC firm empowering security founders

Boston · Burlingame +2
Cybersecurity Technologies · Cybersecurity +5
Cyber-Specialist · Global VC

Tenon Ventures

Pre-Seed Seed

Boston-based seed fund backing deep tech founders in AI, robotics, photonics, defense, clean energy, and quantum computing.

Boston
DeepTech · AI/ML +7
Early Stage · Deep Science

TF Capital

Seed Series A Series B

Specialized venture capital firm focused on early-stage life sciences and biotechnology

Shanghai · Boston +1
BioTech · HealthTech +4
Early Stage · Bio/Health-Focused

The Raptor Group

Seed Series A Series B

Jim Pallotta's family office invests seed to public equity across tech, fintech, sports and media, pairing capital with operating support.

Boston · Miami Beach
Technology · Fintech +8
Family Office · Multi-Stage

Third Rock Ventures

Pre-Seed Seed Series A

Healthcare VC that founds biotech and medtech companies from scratch, translating scientific discoveries into breakthrough medicines for patients.

Boston · San Francisco
BioTech · MedTech +1
Bio/Health-Focused · Deep Science

Top Tier Capital Partners

Series B Series C Series D

Fund of funds and direct investment manager with $7B AUM, investing in VC primaries, LP secondaries, and direct co-investments across the global venture ecosystem.

San Francisco · Boston +1
SaaS/Software · Fintech +4
Fund of Funds · Multi-Stage

Transformation Capital

Series A Series B Series C

Growth-stage digital health investor exclusively backing companies transforming care delivery, health data, behavioral health, and pharma with technology.

Boston
HealthTech · MedTech +3
Bio/Health-Focused · Growth Stage

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Tribe Capital

Seed Series A Series B

Harnessing AI & data science for precision investments in N-of-1 companies

Menlo Park · Boston +1
Enterprise Software · Fintech +6
AI-Driven · Data Science

Two Bear Capital

Seed Series A

Early-stage VC investing in life sciences and technology startups, backing founders solving complex problems in biotech, cybersecurity, and AI.

Menlo Park · New York +3
BioTech · HealthTech +4
Early Stage · Founder-Led

UCB Ventures

Seed Series A Series B

UCB's evergreen corporate VC (2017) backs early-stage cell/gene therapy, RNA modulation and regenerative medicine startups beyond its core focus.

Boston · Brussels +1
Cell Therapy · Gene Therapy +8
Corporate VC · Thesis-Driven

Underscore VC

Pre-Seed Seed

Boston-based pre-seed and seed investor in B2B software, operating an open-source profit-sharing model with a community of 1,800+ operators.

Boston
B2B SaaS · Fintech +4
Network-Driven · Early Stage

Unusual Ventures

Pre-Seed Seed Series A

A seed-stage venture capital firm focused on providing hands-on operational support to help early-stage technical founders achieve product-market fit.

Menlo Park · San Francisco +1
Technical Enterprise Founders · Enterprise AI Software +7
Technical Enterprise Founders · Enterprise AI Software

Valspring Capital

Series A Series B

Boston growth-equity firm founded by Bain Capital Ventures' former healthcare team, closing a $255M debut fund to back healthcare IT and services scale-ups.

Boston
Healthcare IT · HealthTech +1
Growth Stage · Bain Capital Ventures

Venture Guides

Seed Series A

Operator-led early-stage VC for enterprise cloud, security, and AI

Boston
Cloud Infrastructure · Cybersecurity +5
Operator-Led · Thesis-Driven

Vertex Ventures HC

Series A Series B Series C

Healthcare-focused venture firm investing in biopharma, medical devices, and digital health.

San Francisco · Boston
Healthcare · Biotech +4
Healthcare · Early Stage

Vida Ventures

Seed Series A Series B

Bicoastal life sciences VC founded by scientists and physicians, investing across stages in therapeutics with approximately $1.8 billion under management.

Los Angeles · Boston
BioTech · HealthTech +3
Bio/Health-Focused · Multi-Stage

Visible Ventures

Seed Series A

Formerly Victress Capital: bets on Gen Z's wealth/health/mobility needs, backed by advisor Carolyn Everson, ex-Instacart President and former Meta global ad chief.

Boston
Future of Work · Financial Systems +5
Founder-Led · Female-Owned

Will Ventures

Seed Series A

Early-stage VC backing category-defining companies at the intersection of sports, entertainment, and consumer, investing from seed through Series A with $215M+ AUM.

Boston · Los Angeles
Consumer · Sports +6
Founder-Led · Operator-Led

Showing 121–143 of 143 investors

This list has 143 investors. The complete database has every investor on the site.

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