Flagship Pioneering, Llc Portfolio Stock Holdings

Flagship Pioneering, Llc disclosed 5 stock positions valued at approximately $1.2 billion in its latest SEC 13F filing. The largest holdings include MODERNA INC, SANA BIOTECHNOLOGY INC, and FOGHORN THERAPEUTICS INC. The filing reflects positions held as of March 31, 2026 and was filed on May 15, 2026.

Report Period
March 31, 2026
No. of Stocks
5
Portfolio Value
$1.2B
Holdings by Sector
Flagship Pioneering, Llc Portfolio Holdings in Q1 2026

3 holdings in the latest reporting period.

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CompanySymbolSectorPortfolio %SharesChange (Shares)Change %Value
MODERNA INCMRNAHealthcare20.26%4,632,149--$235,313,169
SANA BIOTECHNOLOGY INCSANAHealthcare6.20%25,001,856--$72,005,346
FOGHORN THERAPEUTICS INCFHTXHealthcare5.22%12,674,120--$60,582,294
Flagship Pioneering, Llc Portfolio Stock Holdings | InsiderSet