AI Analysis · Q4 2025 · Q4 2025
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...
Quarter at a glance — Q4 2025
Position-change comparison pending.
No quarter-over-quarter changes available.
Top 10 holdings
By portfolio weight as of Q4 2025.
Filing history
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