Investment Firms in Boston, Massachusetts, United States
Renowned for its dense concentration of world-class universities and research hospitals, the region has long been a preeminent hub for venture capital, particularly in life sciences and technology. Its ecosystem is distinguished by a strong pipeline of innovation flowing from academic institutions into commercial ventures. This has fostered a mature investment landscape with significant activity in later-stage funding rounds.
One of the world's premier venture capital hubs, Boston, Massachusetts, United States is home to 83 investment firms tracked by Goldilocks AI, with a combined portfolio of over 1,450 investments spanning from established leaders like Fidelity Investments to newer entrants like Myriad Venture Partners.
Healthcare dominates the investment landscape in Boston, with 42% of investment firms focused on this sector.
Boston has a long history of venture capital, with Liberty Mutual operating since 1912.
Last updated: 28 April 2026
Investment Firms
83
Total Investments
1,450
Top Sector
Healthcare
Top Stage
Series A
Top Investment Sectors in Boston
The most popular sector focus among Boston investment firms is Healthcare, with 35 investment firms (42%) investing in the space. This is followed by Fintech (35), AI (25), Biotech & Life Sciences (22), Enterprise Software (22).
Investment Stages in Boston
Boston investment firms are most active at the Series A stage (52 investment firms). This is followed by Series B (41), Series C (35), Seed (35), Growth (21).
Showing 1–36 of 83 investment firms
Fidelity Investments
Boston, Massachusetts, United States
119 investments
Growth, Series D
AI, Consumer, Hardware & Semiconductors …
Wellington Management
Boston, Massachusetts, United States
117 investments
Series B, Series C
Biotech & Life Sciences, Consumer, Fintech …
RA Capital Management
Boston, Massachusetts, United States
103 investments
Series B, Series A
Biotech & Life Sciences, Healthcare
Polaris Venture Partners
Boston, Massachusetts, United States
67 investments
Series C, Series B
Biotech & Life Sciences, Healthcare, Food & Agriculture …
Flybridge Capital
Boston, Massachusetts, United States
60 investments
Series A, Seed
Consumer, HR & Talent, Developer Tools …
Summit Partners
Boston, Massachusetts, United States
59 investments
Growth, Series D
Marketing & Advertising, E-Commerce & Marketplace, Cybersecurity …
Fidelity Management & Research Company
Boston, Massachusetts, United States
58 investments
Growth, Series C
Biotech & Life Sciences, Mobility & Transportation, AI …
J2 ventures
Boston, Massachusetts, United States
47 investments
Seed, Series A
Cybersecurity, Healthcare, AI …
Optum Ventures
Boston, Massachusetts, United States
46 investments
Series B, Series A
Healthcare
Cormorant Asset Management
Boston, Massachusetts, United States
42 investments
Series B, Series C
Biotech & Life Sciences, Healthcare
OpenView
Boston, Massachusetts, United States
37 investments
Series B, Series A
SaaS, Developer Tools, Healthcare …
Spectrum Equity
Boston, Massachusetts, United States
36 investments
Growth, Series C
SaaS, Media & Entertainment, E-Commerce & Marketplace …
Advent International
Boston, Massachusetts, United States
35 investments
Series D, Series C
Fintech, Enterprise Software, Cybersecurity …
.406 Ventures
Boston, Massachusetts, United States
34 investments
Series A, Series B
Healthcare, AI, Biotech & Life Sciences …
Atreides Management
Boston, Massachusetts, United States
33 investments
Series C, Series D
Hardware & Semiconductors, AI, Mobility & Transportation …
PSG
Boston, Massachusetts, United States
28 investments
Growth, Series B
HR & Talent, SaaS, Cybersecurity …
Elephant
Boston, Massachusetts, United States
28 investments
Series A, Series B
Enterprise Software, Cybersecurity, Data & Analytics …
MCJ Collective
Boston, Massachusetts, United States
27 investments
Series A, Seed
Climate & Energy, Fintech, Construction …
TA Associates
Boston, Massachusetts, United States
26 investments
Seed, Series A
Enterprise Software, Data & Analytics, Consumer …
Liberty Mutual
Boston, Massachusetts, United States
21 investments
Series B, Series A
AI, Consumer, Robotics & Automation …
HighSage Ventures
Boston, Massachusetts, United States
20 investments
Series A, Series B
PropTech, Fintech, HR & Talent …
Whale Rock Capital
Boston, Massachusetts, United States
18 investments
Series E, Growth
Fintech, Marketing & Advertising, Healthcare …
Glasswing Ventures
Boston, Massachusetts, United States
16 investments
Seed, Series B
Cybersecurity, AI, Fintech …
Adage Capital Management
Boston, Massachusetts, United States
16 investments
Series D, Series C
Biotech & Life Sciences, Defense & Space, Developer Tools …
Asymmetric Capital Partners
Boston, Massachusetts, United States
16 investments
Seed, Series A
Social & Community, Healthcare, Developer Tools …
Great Hill Partners
Boston, Massachusetts, United States
15 investments
Growth, Series A
Enterprise Software, Marketing & Advertising, Fintech …
PJC
Boston, Massachusetts, United States
15 investments
Seed, Series A
AI, Developer Tools, HR & Talent …
SV Health Investors
Boston, Massachusetts, United States
14 investments
Series B, Series A
Biotech & Life Sciences, Healthcare, Fintech
One Way Ventures
Boston, Massachusetts, United States
14 investments
Seed, Series B
Fintech, Cybersecurity, Logistics & Supply Chain …
Suffolk Technologies
Boston, Massachusetts, United States
14 investments
Seed, Series B
AI, Construction, Climate & Energy …
Pillar VC
Boston, Massachusetts, United States
14 investments
Series A, Seed
AI, Fintech, Cybersecurity …
Romulus Capital
Boston, Massachusetts, United States
14 investments
Series A, Seed
Healthcare, Food & Agriculture, Data & Analytics …
Indicator Ventures
Boston, Massachusetts, United States
13 investments
Series A, Seed
AI, Healthcare, Developer Tools …
Schooner Capital
Boston, Massachusetts, United States
12 investments
Series A, Series B
Healthcare, Climate & Energy, Biotech & Life Sciences …
Grantham Foundation
Boston, Massachusetts, United States
11 investments
Seed, Series A
Climate & Energy, Biotech & Life Sciences
Longwood Fund
Boston, Massachusetts, United States
10 investments
Series A, Series B
Biotech & Life Sciences
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