Mass General Brigham, Inc
Follow13F filer, CIK 1678378, SOMERVILLE, MA
Mass General Brigham, Inc reported $809,786,992 across 7 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-01-27.
Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001214659-26-000882
- Period
- 2025-12-31
- Reported value
- $810M
- Holdings
- 7
- Top 10 weight
- 100%
- New
- Sold out
Holdings, Q4 2025
Share positions as resolved from 13F-HR 0001214659-26-000882, largest first. % of portfolio is the value over $809,786,992, the sum of the share positions whose value is usable for ratios (method).
| Security | History | Shares | Value | % of portfolio | Change | Latest event | Timeline |
|---|---|---|---|---|---|---|---|
| ACWIISHARES TR | 4,613,955 | $653M | 80.62% | Timeline | |||
| KRMNKARMAN HLDGS INC | 1,562,054 | $114M | 14.11% | Timeline | |||
| RVMDREVOLUTION MEDICINES INC | 344,091 | $27.4M | 3.38% | Timeline | |||
| MAZEMAZE THERAPEUTICS INC | 239,994 | $9.94M | 1.23% | Timeline | |||
| TNGXTANGO THERAPEUTICS INC | 354,192 | $3.14M | 0.39% | Timeline | |||
| MDLNMEDLINE INC | 26,294 | $1.1M | 0.14% | Timeline | |||
| RBRKRUBRIK INC. | 14,000 | $1.07M | 0.13% | Timeline |
How Q4 2025 was built
Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).
| Filing | Role | Amendment | Filed | Accepted | Ingested |
|---|---|---|---|---|---|
| 13F-HR 0001214659-26-000882 | base | 2026-01-27 | acceptance time not in the bulk data set |