SEC 13F Intelligence

Managers / Q4 2022 · view latest →

Mass General Brigham, Inc

CIK 0001678378 · 399 REVOLUTION DRIVE, SUITE 612, SOMERVILLE, MA, 02145 · 8572777268

Reported Value
Under review
reported total failed a data-quality check
Positions
5
Filings on Record
24
2019–present window
Filed
Jan 19, 2023
original filing

Summary

Compared with Q3 2022, the fund opened 2 new positions and exited 0.

Reported Value by Quarter

13F Reported Value
Q4 ’18: $144MQ4 ’18Q1 ’19: $162MQ2 ’19: $153MQ3 ’19: $436MQ3 ’19Q4 ’19: $290MQ3 ’20: $126MQ4 ’20: $473MQ4 ’20Q1 ’21: $639MQ2 ’21: $410MQ3 ’21: $371MQ3 ’21Q4 ’21: $282MQ1 ’22: $235MQ2 ’22: $214MQ2 ’22Q3 ’22: $192MQ1 ’23: $128,310Q3 ’23: $11MQ3 ’23Q4 ’23: $28MQ1 ’24: $57MQ2 ’24: $21MQ2 ’24Q3 ’24: $44MQ4 ’25: $810MQ1 ’26: $469MQ1 ’26filingsflow.com

Portfolio Composition

By security type
ETP: 96.0%Common Stock: 4.0%
  • ETP · 96.0% · $134,820
  • Common Stock · 4.0% · $5,633

Quarter-over-Quarter Changes full breakdown →

vs Q3 2022 (amended baseline)

IssuerMoveShare ΔShares nowValue ΔValue now
WTTRSELECT ENERGY SVCS INCNEW+60.7K60.7K+$561$561
RVMDREVOLUTION MEDICINES INCNEW+21.4K21.4K+$510$510
ISHARES CORE U.S. AGGREGATE ETFTRIMMED240.3K553.1K$76M$53,645
ISHARES CORE SP 500 ETFTRIMMED88.6K211.3K$107M$81,175
COINCOINBASE GLOBAL INC CLASS AHELD+0128.9K$8M$4,562

Value changes conflate price moves with buying and selling — share changes are the real signal. Share counts are not split-adjusted.

Holdings — Q4 2022

5 positions
#IssuerClass% PortfolioValueShares
1ISHARES CORE SP 500 ETFETF57.80%$81,175211.3K
2ISHARES CORE U.S. AGGREGATE ETFETF38.19%$53,645553.1K
3COINCOINBASE GLOBAL INC CLASS Ahistory →CL A3.25%$4,562128.9K
4WTTRSELECT ENERGY SVCS INCCL A0.40%$56160.7K
5RVMDREVOLUTION MEDICINES INCCOM0.36%$51021.4K

Filing History

QuarterReported ValuePositionsFiledTypeLinks
Q1 2026$469M6May 5, 202613F-HRchanges · EDGAR ↗
Q4 2025$810M7Jan 27, 202613F-HRchanges · EDGAR ↗
Q3 2024$44M5Oct 16, 202413F-HRchanges · EDGAR ↗
Q2 2024$21M4Jul 31, 202413F-HRchanges · EDGAR ↗
Q1 2024$57M5Apr 4, 202413F-HRchanges · EDGAR ↗
Q4 2023$28M2Jan 24, 202413F-HRchanges · EDGAR ↗
Q3 2023$11M2Oct 23, 202313F-HRchanges · EDGAR ↗
Q2 2023Under review7Jul 21, 202313F-HRchanges · EDGAR ↗
Q1 2023$128,3106Apr 5, 202313F-HRchanges · EDGAR ↗
Q4 2022Under review5Jan 19, 202313F-HRchanges · EDGAR ↗
Q3 2022$192M3Oct 19, 202213F-HRchanges · EDGAR ↗
Q2 2022$214M3Jul 27, 202213F-HRchanges · EDGAR ↗
Q1 2022$235M5Apr 15, 202213F-HRchanges · EDGAR ↗
Q4 2021$282M7Jan 19, 202213F-HRchanges · EDGAR ↗
Q3 2021$371M7Oct 8, 202113F-HRchanges · EDGAR ↗
Q2 2021$410M9Jul 19, 202113F-HRchanges · EDGAR ↗
Q1 2021$639M3Apr 12, 202113F-HRchanges · EDGAR ↗
Q4 2020$473M3Feb 8, 202113F-HRchanges · EDGAR ↗
Q3 2020$126M2Oct 23, 202013F-HRchanges · EDGAR ↗
Q4 2019$290M3Jan 15, 202013F-HRchanges · EDGAR ↗
Q3 2019$436M3Oct 30, 201913F-HRchanges · EDGAR ↗
Q2 2019$153M1Jul 29, 201913F-HRchanges · EDGAR ↗
Q1 2019$162M1Apr 18, 201913F-HRchanges · EDGAR ↗
Q4 2018$144M1Jan 30, 201913F-HRchanges · EDGAR ↗

13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.