Institutions / Mass General Brigham, Inc
Mass General Brigham, Inc
CIK 1678378 · Institution · as of Jun 30, 2026
Portfolio value
$361.08M
Positions
6
As of
Jun 30, 2026
Portfolio trend
Portfolio value
$361.08M-55.4%Positions
6-14.3%Top holdings
Jun 30, 2026
| Company | Value | % of portfolio |
|---|---|---|
| iShares Tr | $197.73M | 54.8% |
| Karman Holdings Inc. | $77.98M | 21.6% |
| Revolution Medicines, Inc. | $64.44M | 17.8% |
| Tango Therapeutics, Inc. | $11.07M | 3.1% |
| Maze Therapeutics, Inc. | $7.16M | 2.0% |
| Medline Inc. | $2.70M | 0.7% |
Activity
Jun 30, 2026View full history →
InsidersInstitutions
This fund's 13F position changes — what it's buying and selling.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Q2 2026 as of | Trim | 464288257 Common stock | $-526.52M | -3.4M -72.70% | 1,259,657 54.76% of portfolio | high |
| Q2 2026 as of | Add | Medline Inc. Common stock | $1.66M | +42K +160.18% | 68,413 0.75% of portfolio | low |
| Q2 2026 as of | Exit | Rubrik, Inc. Common stock | $-1.07M | -14K -100.00% | 0 | low |