Flagship Pioneering Inc.

Portfolio Overview

Flagship Pioneering Inc.’s SEC 13F filing for the period ending September 30, 2025, reveals a highly concentrated and specialized investment portfolio. The total portfolio value decreased substantially by 47.1%, contracting from approximately $268.47 million in the previous quarter to $141.89 million. This reduction is not solely attributable to market depreciation but is primarily driven by significant capital reallocation, evidenced by the liquidation of two major posit...