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Flagship Pioneering, LLC - Portfolio Stock Holdings

Flagship Pioneering, LLC disclosed 5 stock positions in a recent SEC 13F filing. $1,149,153,001 of stock holdings were filed, with the largest holdings including GENB, MRNA, and SANA. This filing represented positions held on March 31, 2026, and was filed on May 15, 2026.

Report Period:

March 31, 2026

No. of Stocks:

5

Est. Stock Holding Value:

$1,149,153,001

Top Stock Holdings By Sector

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Portfolio Stock Holdings - Flagship Pioneering, LLC

Stock
Holdings (Shares)
Holdings (USD)
% of Portfolio
Change (Shares)
Change (USD)
% Change

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