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Mass General Brigham, Inc

SEC CIK
0001678378
Latest filing
Aug 7, 2026

Holdings in Q1 2023

Holdings as of Mar 31, 2023, filed Apr 5, 2023. Long positions only; changes compare share counts with Q4 2022.

Institution overview
Positions
6
+1 vs. Q4 2022
Portfolio value
$128.3M
−$12.1M (−8.6%) vs. Q4 2022
Filed
Apr 5, 2023
SEC
Holdings of Mass General Brigham, Inc in Q1 2023
SecurityClassSharesValue% of portfolioShare changeActionHistory
iShares Core S&P 500 ETF464287200ETF164,802$67.7M52.8%−46,475−22.0%Reduced–
iShares Core U.S. Aggregate Bond ETF464287226ETF430,669$42.9M33.4%−122,426−22.1%Reduced–
COINCoinbase Global, Inc.COM CL A128,947$8.71M6.8%00.0%UnchangedHistory
RVMDRevolution Medicines, Inc.COM338,191$7.33M5.7%+316,767+1,478.6%AddedHistory
PATHUiPath, Inc.Stock52,089$915.0K0.7%+52,089NewHistory
RIVNRivian Automotive, Inc.Stock45,074$698.0K0.5%+45,074NewHistory

Sold out since Q4 2022 (1)

Positions held at the end of Q4 2022 that are gone from this filing.

Positions of Mass General Brigham, Inc sold out since Q4 2022
SecurityClassShares in Q4 2022Value in Q4 2022% of portfolio in Q4 2022History
WTTRSelect Water Solutions, Inc.CL A COM60,710$561.0K0.4%History