Company lists · Data verified August 2026

Top 25 Biotech venture capital companies based in Boston, United States

Name: Biotech venture capital companies based in Boston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 56 companies tracked

There are 56 biotech venture capital companies headquartered in Boston, United States (RevenueBase, August 2026). RevenueBase tracks 1,065 professional contacts across them, including 512 with verified work emails and 513 with mobile numbers. New York is the largest hub.

This list covers biotech venture capital companies headquartered in Boston, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

56Companies

1,065Contacts tracked

512Verified emails

513Mobile numbers

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The 25 largest biotech venture capital companies based in Boston, United States

Ranked by team size

Top 25 of 56 biotech venture capital companies based in Boston, United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	RA Capital Management	Boston, MA	201-500	242	165
2	Third Rock Ventures	Boston, MA	51-200	110	69
3	Flare Capital Partners	Boston, MA	11-50	84	18
4	Optum Ventures	Boston	11-50	60	29
5	5am Ventures	Boston, MA	11-50	47	23
6	Erez Capital	Boston, MA	n/a	40	18
7	Pillar VC	Boston, MA	11-50	40	15
8	Longitude Capital	Boston, MA	11-50	33	18
9	TWO Bear Capital	Boston, MA	11-50	30	22
10	Abingworth	Boston, MA	11-50	28	19
11	Transformation Capital	Boston, MA	11-50	27	19
12	Catalyst Health Ventures	Boston, MA	1-10	23	4
13	Good Growth Capital	Boston, MA	1-10	20	10
14	Longwood Fund	Boston, MA	1-10	15	12
15	Cure Ventures	Boston, MA	1-10	14	11
16	Excel Venture Management, LLC	Boston, MA	1-10	12	6
17	Delos Capital	Boston	11-50	11	10
18	Innospark Ventures	Boston, MA	1-10	9	8
19	Xontogeny	Boston, MA	1-10	9	7
20	Boston Harbor Angels	Boston, MA	1-10	9	3
21	Bioventures Investors	Boston, MA	1-10	7	6
22	Newpath Partners	Boston, MA	1-10	6	5
23	Medscience Ventures, LLC	Boston, MA	11-50	5	3
24	82vs	Boston, MA	1-10	5	3
25	Solasta Ventures	Boston, MA	1-10	5	3

Showing 25 of 56 biotech venture capital companies based in Boston, United States

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Biotech venture capital companies based in Boston, United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 129 HQs

513Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Biotech venture capital companies by metro in the United States

Metro	Companies
Biotech venture capital companies in New York	129
Biotech venture capital companies in San Francisco	103
Biotech venture capital companies in Boston	69
Biotech venture capital companies in Palo Alto	42
Biotech venture capital companies in Cambridge	37
Biotech venture capital companies in Menlo Park	35
Biotech venture capital companies in Chicago	35

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “biotech venture capital companies”, with match quality audited by blind human judging, and headquartered in Boston, United States.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Contact records re-verify on a rolling cadence; 7 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many biotech venture capital companies are there based in Boston, United States?

There are 56 biotech venture capital companies headquartered in Boston, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

RA Capital Management, headquartered in Boston, tops this list with the largest team on record.

Which city has the most biotech venture capital companies?

New York leads with 129 headquartered companies, followed by San Francisco (103) and Boston (69).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 512 verified decision-maker contacts tracked across these 56 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.