Flagship Pioneering, LLC Q2 2025 Filing

Filed August 14, 2025

Portfolio Value

$268.5B

Holdings

4

Report Date

Q2 2025

Filing Type

13F-HR

All Holdings (4 positions)

#StockSharesValue% PortfolioType
1
MRNAModerna Inc
4,632,149$127.8B47.60%
2
SANASana Biotechnology Inc
25,001,856$68.3B25.42%
3
FHTXFoghorn Therapeutics Inc
12,674,120$59.6B22.19%
4
MCRBSeres Therapeutics Inc
1,155,850$12.8B4.78%