AI Portfolio Summary
In 2026 Q1, Mass General Brigham, Inc maintained a portfolio of 7 distinct positions. They heavily accumulated shares in MEDLINE INC, increasing their position by 167.6%. Conversely, Mass General Brigham, Inc completely exited their position in RUBRIK INC.
Total Positions
7
Quarter
2026 Q1
Top Holding
ACWI (62.4%)
Top 10 Concentration
100.0%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-7 of 7
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
ACWI
ISHARES TR
|
ETF | 62.42% | 80.62% |
#1
Prev: #1
|
6.0 | -2,460,478 | -53.3% |
P
S
|
2,153,477 | $292,711,246 | 2016 Q2 | 13F Filing | 2026-03-31 | 2026-05-05 | |||
|
KRMN
KARMAN HLDGS IN...
|
Industrials | 26.67% | 14.11% |
#2
Prev: #2
|
6.5 | no change | no change |
P
S
|
1,562,054 | $125,042,423 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-05 | |||
|
RVMD
REVOLUTION MEDI...
|
Healthcare | 7.14% | 3.38% |
#3
Prev: #3
|
4.9 | no change | no change |
P
S
|
344,091 | $33,462,850 | 2022 Q4 | 13F Filing | 2026-03-31 | 2026-05-05 | |||
|
TNGX
TANGO THERAPEUT...
|
Healthcare | 1.58% | 0.39% |
#4
1
Prev: #5
|
2.1 | no change | no change |
P
S
|
354,192 | $7,409,697 | 2024 Q1 | 13F Filing | 2026-03-31 | 2026-05-05 | |||
|
MAZE
MAZE THERAPEUTI...
|
Healthcare | 1.53% | 1.23% |
#5
1
Prev: #4
|
2.1 | no change | no change |
P
S
|
239,994 | $7,163,821 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-05 | |||
|
MDLN
MEDLINE INC
|
Healthcare | 0.67% | 0.14% |
#6
Prev: #6
|
3.3 | 44,063 | 167.6% |
P
S
|
70,357 | $3,130,887 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-05 | |||
|
RBRK
RUBRIK INC
|
Technology | 0.00% | 0.13% |
Sold All 😨
(Was: #7) |
0.0 | -14,000 | -100.0% |
CLOSED
|
— | $— | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-05 |
Showing 1-7 of 7 holdings