Company lists · Data verified August 2026

Top 25 Biotech private equity companies based in the United States

Name: Biotech private equity companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 682 companies tracked

There are 682 biotech private equity companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 9,787 professional contacts across them, including 4,437 with verified work emails and 4,350 with mobile numbers. New York is the largest hub.

This list covers biotech private equity companies headquartered in the 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.

682Companies

9,787Contacts tracked

4,437Verified emails

4,350Mobile numbers

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The 25 largest biotech private equity companies based in the United States

Ranked by team size

Top 25 of 682 biotech private equity companies based in the 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	TA Associates	Menlo Park, CA	201-500	873	241
2	Flagship Pioneering	Cambridge, MA	501-1,000	738	457
3	NEW Enterprise Associates NEA	Timonium, MD	51-200	276	114
4	RA Capital Management	Boston, MA	201-500	242	165
5	Takeda Ventures, INC	Cambridge, MA	10001+	233	16
6	Deerfield Management	New York, NY	51-200	196	143
7	Welsh, Carson, Anderson & Stowe	NY	51-200	126	80
8	Atlas Venture	Cambridge, MA	11-50	123	51
9	curie.bio	Remote	51-200	116	85
10	RTW Investments, LP	New York, NY	51-200	115	58
11	Advanced Solutions	Louisville, KY	51-200	114	16
12	Third Rock Ventures	Boston, MA	51-200	110	69
13	Access Industries	New York	51-200	109	40
14	Patient Square Capital	New York, NY	51-200	99	78
15	Waud Capital Partners	Chicago, IL	51-200	81	57
16	Venrock	Palo Alto, CA	51-200	68	50
17	Revelstoke Capital Partners	Denver, CO	51-200	63	50
18	Versant Ventures	San Francisco, CA	11-50	61	44
19	Optum Ventures	Boston	11-50	60	29
20	Foresite Capital	Larkspur, CA	51-200	51	38
21	Aditum BIO	Cambridge, MA	51-200	51	36
22	Perceptive Advisors	New York, NY	11-50	46	37
23	Catalio Capital Management	New York, NY	11-50	43	36
24	VIC Tech	Annapolis, MD	11-50	43	6
25	Sofinnova Investments	Menlo Park, CA	11-50	42	29

Showing 25 of 682 biotech private equity companies based in the United States

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Biotech private equity companies based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 91 HQs

4,350Contacts with mobile numbers

22Emails re-verified in last 30 days

Companies by employee count

1-10

418

11-50

218

51-200

201-500

501-1,000

5,001-10,000

10001+

Biotech private equity companies by metro

Metro	Companies
Biotech private equity companies in New York	91
Biotech private equity companies in Boston	58
Biotech private equity companies in San Francisco	35
Biotech private equity companies in Cambridge	29
Biotech private equity companies in Chicago	23
Biotech private equity companies in Menlo Park	14
Biotech private equity companies in Palo Alto	14

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 private equity companies”, with match quality audited by blind human judging, and headquartered in the 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; 22 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 private equity companies are there based in the United States?

There are 682 biotech private equity companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

TA Associates, headquartered in Menlo Park, tops this list with the largest team on record.

Which city has the most biotech private equity companies?

New York leads with 91 headquartered companies, followed by Boston (58) and San Francisco (35).

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 4,437 verified decision-maker contacts tracked across these 682 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.