Mass General Brigham, Inc Portfolio Holdings

Mass General Brigham, Inc

  • $810 Billion
  • Q4 2025

Mass General Brigham, Inc has filed its 13F form on January 27, 2026 for Q4 2025 where it was disclosed a total value porftolio of $810 Billion distributed in 7 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Ishares Msci Acwi ETF with a value of $653B, Karman Hldgs Inc with a value of $114B, Revolution Medicines, Inc. with a value of $27.4B, Maze Therapeutics Inc with a value of $9.94B, and Tango Therapeutics, Inc. with a value of $3.14B.

Examining the 13F form we can see an increase of $766B in the current position value, from $43.6B to 810B.

Below you can find more details about Mass General Brigham, Inc portfolio as well as his latest detailed transactions.

Portfolio value $810 Billion
ETFs: $653 Billion
Healthcare: $30.5 Billion

Stock Holdings Table Market Cap. of $10 Billions to $200 Billions

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History

Summary

  • Portfolio
  • No. of Stocks 7
  • Current Value $810 Billion
  • Prior Value $43.6 Billion
  • Filing
  • Period Q4 2025
  • Filing Date January 27, 2026
  • Form Type 13F-HR
  • Activity in Q4 2025
  • New Purchases 5 stocks
  • Additional Purchases 1 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 0 stocks
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