Terminal · Institutions

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

Mass General Brigham, Inc 13F Holdings -- Portfolio & Top Positions (2026-06-30)

Mass General Brigham, Inc (CIK 1678378) reported $361.1M across 6 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: ACWI ($197.7M, 54.76%), KRMN ($78.0M, 21.60%), RVMD ($64.4M, 17.85%), TNGX ($11.1M, 3.07%), MAZE ($7.2M, 1.98%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1ACWIISHARES TR$197.7M54.76%1.3MTrimmed
2KRMNKARMAN HLDGS INC$78.0M21.60%1.6MHold
3RVMDREVOLUTION MEDICINES INC$64.4M17.85%344,091Hold
4TNGXTANGO THERAPEUTICS INC$11.1M3.07%354,192Hold
5MAZEMAZE THERAPEUTICS INC$7.2M1.98%239,994Hold
6MDLNMEDLINE INC$2.7M0.75%68,413Trimmed

Source: SEC Form 13F filings · as of 2026-06-30