Vault-13

Mass General Brigham, Inc

SOMERVILLE, MA · CIK 1678378 · 13F filing filed 2026-08-07

No investment adviser registration (Form ADV) found for this filer. It may be a parent company whose subsidiaries are the registered advisers, a bank or insurer, or a manager based outside the US.

$361.1m reported value -23.0% vs Q1 2026
6positions
100.0%in top 10
0 new 0 added 2 reduced 0 sold out vs Q1 2026

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#SecurityTickerShares Value% of portfolioChangeShares change
1 ISHARES TR MSCI ACWI ETF ACWI ACWI 1,259,657 $197.7m54.76% 54.76% ReducedShares held: Q3 2025 —, Q4 2025 4.6m, Q1 2026 2.2m, Q2 2026 1.3m -893.8k -893,820 -41.5%
2 KARMAN HLDGS INC COMMON STOCK KRMN KRMN 1,562,054 $78.0m21.60% 21.60% UnchangedShares held: Q3 2025 —, Q4 2025 1.6m, Q1 2026 1.6m, Q2 2026 1.6m
3 REVOLUTION MEDICINES INC COM RVMD RVMD 344,091 $64.4m17.85% 17.85% UnchangedShares held: Q3 2025 —, Q4 2025 344.1k, Q1 2026 344.1k, Q2 2026 344.1k
4 TANGO THERAPEUTICS INC COM TNGX TNGX 354,192 $11.1m3.07% 3.07% UnchangedShares held: Q3 2025 —, Q4 2025 354.2k, Q1 2026 354.2k, Q2 2026 354.2k
5 MAZE THERAPEUTICS INC COM MAZE MAZE 239,994 $7.2m1.98% 1.98% UnchangedShares held: Q3 2025 —, Q4 2025 240.0k, Q1 2026 240.0k, Q2 2026 240.0k
6 MEDLINE INC COM CL A MDLN MDLN 68,413 $2.7m0.75% 0.75% ReducedShares held: Q3 2025 —, Q4 2025 26.3k, Q1 2026 70.4k, Q2 2026 68.4k -1.9k -1,944 -2.8%