Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

Third Rock Ventures, LLC 13F Holdings -- Portfolio & Top Positions (2015-09-30)

Third Rock Ventures, LLC (CIK 1600135) reported $1.07B across 5 reported positions in its SEC 13F filing for 2015-09-30. Largest positions: GBT ($622.3M, 58.10%), SAGE ($272.7M, 25.46%), BPMC ($157.8M, 14.73%), SESN ($11.7M, 1.09%), LRMR ($6.7M, 0.63%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1GBTGLOBAL BLOOD THERAPEUTICS IN$622.3M58.10%14.8MNew
2SAGESAGE THERAPEUTICS INC$272.7M25.46%6.4MTrimmed
3BPMCBLUEPRINT MEDICINES CORP$157.8M14.73%7.4MHold
4SESNELEVEN BIOTHERAPEUTICS INC$11.7M1.09%4.8MHold
5LRMRZAFGEN INC$6.7M0.63%210,371Trimmed

Source: SEC Form 13F filings · as of 2015-09-30