Flagship Pioneering Inc. Portfolio Holdings

Flagship Pioneering Inc.

$236 Million
Q1 2025

Flagship Pioneering Inc. has filed its 13F form on May 15, 2025 for Q1 2025 where it was disclosed a total value porftolio of $236 Million distributed in 8 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Moderna, Inc. with a value of $131M, Foghorn Therapeutics Inc. with a value of $46.3M, Sana Biotechnology, Inc. with a value of $42M, and Seres Therapeutics, Inc. with a value of $16.2M.

Examining the 13F form we can see an decrease of $98.5M in the current position value, from $334M to 236M.

Flagship Pioneering Inc. is based out at Cambridge, MA

Below you can find more details about Flagship Pioneering Inc. portfolio as well as his latest detailed transactions.

Portfolio value $236 Million

Healthcare: $236 Million

Stock Holdings Table Companies Only

Stock	Market Cap.	Holding Value (Reported)	# of Shares.	Last Trade
MRNA Moderna, Inc. Healthcare	$10.3B	$131 Million 55.7% of portfolio	4,632,149	Q2 2024 Reduced 52.08%
FHTX Foghorn Therapeutics Inc. Healthcare	$169M	$46.3 Million 19.62% of portfolio	12,674,120	Q4 2020 New
SANA Sana Biotechnology, Inc. Healthcare	$373M	$42 Million 17.82% of portfolio	25,001,856	Q4 2023 Reduced 24.9%
MCRB Seres Therapeutics, Inc. Healthcare	$927M	$16.2 Million 6.86% of portfolio	23,117,045	Q3 2022 Added 60.77%

Summary

Portfolio
No. of Stocks 8
Current Value $236 Million
Prior Value $334 Million
Filing
Period Q1 2025
Filing Date May 15, 2025
Form Type 13F-HR
Activity in Q1 2025
New Purchases 0 stocks
Additional Purchases 0 stocks
Sold out of 0 stocks
Reduced holdings in 0 stocks

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Flagship Pioneering Inc. Portfolio Holdings