Insider Trading & Ownership of Flagship Pioneering, LLC

Notable person
Ph.D. Noubar B. Afeyan
Location
Cambridge, MA
Summary
The estimated value of insider holdings of Flagship Pioneering, LLC is at least $380,881,044 dollars as of 15 Jan 2026. Flagship Pioneering, LLC is the 10%+ Owner of Omega Therapeutics, Inc. and owns shares of Omega Therapeutics, Inc. stock worth about $246.75M. Flagship Pioneering, LLC is the 10%+ Owner of Sana Biotechnology, Inc. and owns shares of Sana Biotechnology, Inc. (SANA) stock worth about $117.37M. Flagship Pioneering, LLC is the Director, 10%+ Owner of Foghorn Therapeutics Inc. and owns shares of Foghorn Therapeutics Inc. (FHTX) stock worth about $15M. Flagship Pioneering, LLC is the 10%+ Owner of Axcella Health Inc. and owns shares of Axcella Health Inc. stock worth about $1.77M.
Signature
Flagship Pioneering, LLC, By: /s/ Noubar B. Afeyan, Ph.D., Title: Sole Member and Manager of Manager
All Insider Reports
All Insider Reports

Notify me when Flagship Pioneering, LLC files a new Insider Trading report.

⭐ Subscribe ⭐

Ownership of Flagship Pioneering, LLC

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
OMGA Omega Therapeutics, Inc. 10%+ Owner $246,745,800 27 Feb 2023
SANA Sana Biotechnology, Inc. 10%+ Owner $117,367,186 12 Feb 2024
FHTX Foghorn Therapeutics Inc. Director, 10%+ Owner $14,999,766 13 Jan 2026
AXLA Axcella Health Inc. 10%+ Owner $1,768,292 13 Oct 2022

Insider Transactions Reported by Flagship Pioneering, LLC:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.