Institutional Manager · CIK 0001678378
Mass General Brigham, Inc
BOSTON, MA · File #028-17485
Latest AUM
$809.8M
Positions
7
Top-10 Concentration
100.0%
Filings
8
Sector Allocation
Filing History
View all filings →- 13F HOLDINGS REPORTQ/E Dec 20257 pos · $809.8M
- 13F HOLDINGS REPORTQ/E Sep 202450 pos · $43.6M
- 13F HOLDINGS REPORTQ/E Jun 202452 pos · $20.5M
- 13F HOLDINGS REPORTQ/E Mar 202465 pos · $57.1M
- 13F HOLDINGS REPORTQ/E Dec 202320 pos · $10.8M
- 13F HOLDINGS REPORTQ/E Sep 20237 pos · $109.9M
- 13F HOLDINGS REPORTQ/E Jun 202366 pos · $128,310
- 13F HOLDINGS REPORTQ/E Mar 20235 pos · $140,453
Top 7 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | ISHARES TR | 464288257 | 4,613,955 | $652.8M | 80.62% |
| 2 | KARMAN HLDGS INC | KRMN | 1,562,054 | $114.3M | 14.11% |
| 3 | REVOLUTION MEDICINES INC | RVMDW | 344,091 | $27.4M | 3.38% |
| 4 | MAZE THERAPEUTICS INC | MAZE | 239,994 | $9.9M | 1.23% |
| 5 | TANGO THERAPEUTICS INC | TNGX | 354,192 | $3.1M | 0.39% |
| 6 | MEDLINE INC | MDLN | 26,294 | $1.1M | 0.14% |
| 7 | RUBRIK INC | RBRK | 14,000 | $1.1M | 0.13% |