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Flagship Pioneering, LLC

Q1 2024 · 13F-HR

Flagship Pioneering, LLCholdings as filed

Filed 2024-05-15 · accession 0000950123-24-005589

$1.52B
Reported value
7
Positions
2024-03-31
Period end
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Holdings as filed

CUSIPTickerIssuerValue% port.SharesClassVoting
60770K107MRNAModerna Inc$1.03B67.6%9,666,038CommonSHARED
799566104SANASana Biotechnology Inc$250.0M16.4%25,001,856CommonSHARED
68217N105Omega Therapeutics Inc$106.7M7.00%29,225,579CommonSHARED
344174107FHTXFoghorn Therapeutics Inc$85.0M5.58%12,674,120CommonSHARED
24823R105DNLIDenali Therapeutics Inc$28.0M1.84%1,364,516CommonSHARED
81750R102MCRB1EURSeres Therapeutics Inc$17.9M1.17%23,117,045CommonSHARED
87184Q206SYRSSyros Pharmaceuticals Inc$6.9M0.45%1,293,849CommonSHARED

Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.