Form D · Venture Capital Fund

Third Rock Ventures III, L.P.

Boston, MA · CIK 0001569705

Offering snapshot reported Mar 25, 2013 · SEC filing

Reported sold: $500M
Investors reported: 58
Minimum accepted: $150K
First sale: Mar 15, 2013

What changed?

Latest filing versus its linked predecessor, where available.

No comparable changes in the displayed metrics.

Filing history

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Filed	Filing type	Reported sold	Change vs linked filing	Investors	Source
Mar 25, 2013	Initial	$500,000,000	No comparison	58	SEC filing

Offering details

Securities: Pooled investment fund
Exemptions: 06, 3C, 3C.7
Duration over one year: No
Business combination: No

Sales commissions: $0
Finders' fees: $0
Form D file number: 021-193854

Source: Form D, filed Mar 25, 2013. Minimum accepted may differ from a standard advertised minimum.

Fund connections

The linked fund shows its most recently reported ADV details.

Matched by reported Form D file number

THIRD ROCK VENTURES III, L.P.

Investment adviser: THIRD ROCK VENTURES, LLC

Gross asset value: $41.8M
Beneficial owners: 62
ADV minimum commitment: $108K

Reported in Form ADV on Mar 19, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Custodian BTIG NEW YORK, New York, United States Related to adviser: No

Custodian CITIZENS BANK PROVIDENCE, Rhode Island, United States Related to adviser: No

Custodian MERRILL LYNCH BOSTON, Massachusetts, United States Related to adviser: No

Provider details

Annual audit: No
Prime brokers: No
Custodians: Yes
Administrator other than the adviser: No
External marketing: No

CITIZENS BANK
LEI DRMSV1Q0EKMEXLAU1P80

Filing source

Form ADV 2053007 · Mar 19, 2026 · Schedule D 7.B.(1), fund 805-8803147487

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

Related funds

Funds whose names form a numbered series with this one and that share its city or the name of a related person. Form D does not state how these funds are related.

Fund	Latest Form D	Reported sold	Investors
Third Rock Ventures II, L.P.	Apr 9, 2010	Yet to sell	0
Third Rock Ventures III, L.P. (this fund)	Mar 25, 2013	$500,000,000	58
Third Rock Ventures IV, L.P.	Nov 2, 2016	$600,000,000	57
Third Rock Ventures V, L.P.	Jun 7, 2019	$750,000,000	67
Third Rock Ventures VI, L.P.	Jun 10, 2022	$1,105,340,000	65
Third Rock Ventures VII, L.P.	Jun 3, 2026	Yet to sell	0

People & organizations

Current and past Form D appearances. These existing records do not establish a person's current role or uniquely identify them across issuers.

People and organizations reported in Form D filings
Name	Reported role
Mark Levin	Executive
Kevin Starr	Executive
Robert Tepper	Executive
N/A Third Rock Ventures Gp Iii, L.P.	Director
N/A Trv Gp Iii, Llc	Director

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:

29 Newbury Street, 3 Rd Floor
Boston, MA, 02116