Mass General Brigham, Inc
Portfolio value QoQ: -23.0% 13F does not disclose cash
Top 10 holdings weight100.00%
Top 25 holdings weight100.00%
Positions above 1%5
Effective number of positions2.6
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q2 2026: 0.0% Est. buys $0 · sells $140,379,597
New positions0
Increased0
Decreased2
Closed1
Portfolio value
$361.1M
Positions
6
As of
June 30, 2026 Data as of Q2 2026
Sector breakdown
Full portfolio 6 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| ACWI | $197,728,359 | 54.76% | 1,259,657 | $-94,982,887 | Down ×2 | ||
| KRMN | $77,977,736 | 21.60% | 1,562,054 | $-47,064,687 | |||
| RVMD | $64,441,362 | 17.85% | 344,091 | $30,978,512 | |||
| TNGX | $11,072,042 | 3.07% | 354,192 | $3,662,345 | |||
| MAZE | $7,161,421 | 1.98% | 239,994 | $-2,400 | |||
| MDLN | $2,698,209 | 0.75% | 68,413 | $-432,678 | Down ×1 | ||
| No matches | |||||||
Top movers (QoQ)
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| RBRK | March 31, 2026 | 14,000 | $1,070,720 | 142.1% |