Mass General Brigham, Inc

In its 13F for Q2 2024 (holdings as of June 30, 2024, filed July 31, 2024), Mass General Brigham, Inc reported 4 stock positions worth $20.5 million. Its top holding was Revolution Medicines (RVMD) at 63.9% of the portfolio, followed by Pliant Therapeutics (PLRX, 15.1%) and Tango Therapeutics (TNGX, 14.8%). Compared with Q1 2024, it sold out of 1. The biggest sale was an exit from Coinbase Global Class A (COIN).

Most Recent 13F
Q2 2026
Location
SOMERVILLE, MA
CIK
0001678378
Portfolio Value
$20.5M (Q2 2024)
SEC Filing
0001678378-24-000004 ↗ filed Jul 31, 2024

Holdings Value

0$200.0M$400.0M$600.0M$800.0M$1.0B Q1 2024: $57.1M Q1 2024 Q2 2024: $20.5M $20.5M Q2 2024 Q3 2024: $43.6M Q3 2024 Q4 2025: $809.8M Q4 2025 Q1 2026: $468.9M Q1 2026 Q2 2026: $361.1M Q2 2026

Holdings 4 stocks · $20.5M
RVMD Revolution Medicines Inc. 63.90% 338,191 $13.1M No change
PLRX Pliant Therapeutics Inc. 15.11% 288,690 $3.1M No change
TNGX Tango Therapeutics Inc. 14.79% 354,192 $3.0M No change
FULC Fulcrum Therapeutics Inc. 6.20% 205,356 $1.3M No change

Portfolio Sells Q1 2024 → Q2 2024
COIN Coinbase Global Inc. Class A Sold out 0.00% −65.08

Portfolio Buys Q1 2024 → Q2 2024
None this quarter.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 6$361.1MACWI, KRMN, RVMD, TNGX, MAZE
Q1 2026 6$468.9MACWI, KRMN, RVMD, TNGX, MAZE
Q4 2025 7$809.8MACWI, KRMN, RVMD, MAZE, TNGX
Q3 2024 5$43.6MIOT, RVMD, PLRX, TNGX, FULC
Q2 2024 4$20.5MRVMD, PLRX, TNGX, FULC
Q1 2024 5$57.1MCOIN, RVMD, PLRX, TNGX, FULC