Significant Ownership of Third Rock Ventures IV, L.P.

Large-stake snapshot 1 signal
Large-stake filing summary
  • Recent SEC Schedule 13D/G filings for Third Rock Ventures IV, L.P. focus on large-stake beneficial ownership disclosures and amendments.
  • Use this view to spot new large holders, amended positions, and activist-style ownership evidence.
Manager identity 2 identity fields
Location
Boston, MA
Signature and title
/s/ Kevin Gillis - Kevin Gillis, COO of TRV GP IV, LLC, the general partner of Third Rock Ventures GP IV, L.P., the general partner of Third Rock Ventures IV, L.P.

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Significant Ownership of Third Rock Ventures IV, L.P.

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
MAZE Maze Therapeutics, Inc. Common Stock, $0.001 par value per share 9.3% $179,808,372 -$64,304,000 4,473,958 -26% Third Rock Ventures IV, L.P. 31 Dec 2025
TNGX Tango Therapeutics, Inc. Common Stock 4.7% $74,901,244 -$17,625,000 6,374,574 -19% Third Rock Ventures IV, L.P. 06 Feb 2026

Schedules 13D/G Reported by Third Rock Ventures IV, L.P.:

Sym Target Class Ownership Change Current shares Change Value Reporting name Form Report period Filing date
Schedule rows are parsed from SEC 13D/G filings. Open the linked filing or target page to verify the reported ownership and shares.
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