SEC Form 13F

Flagship Pioneering, LLC 13F Holdings

Report period2026-06-30
Publicly available2026-08-15
Reported value$1,539,910,719
Positions5

Largest disclosed positions

IssuerTickerClassReported valueReported amount
GENERATE BIOMEDICINES INCGENBCOM SHS$1,057,295,48362,673,117
MODERNA INCMRNACOM$324,389,3954,632,149
SANA BIOTECHNOLOGY INCSANACOM$87,256,47725,001,856
FOGHORN THERAPEUTICS INCFHTXCOM$61,849,70612,674,120
SERES THERAPEUTICS INCMCRBCOM NEW$9,119,6581,155,850

Public filing evidence only. NexusTrade's simulated follower strategies are hypothetical, modeled results — not live trading returns and not investment advice.

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