Flagship Ventures Management
Latest statistics and disclosures from Flagship Pioneering's latest quarterly 13F-HR filing:
- Top 5 stock holdings are MRNA, SANA, FHTX, MCRB, and represent 100.00% of Flagship Pioneering's stock portfolio.
- Flagship Pioneering has $324M in assets under management (AUM), dropping by 10.74%.
- Central Index Key (CIK): 0001400240
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Positions held by Flagship Ventures Management consolidated in one spreadsheet with up to 7 years of data
Download as csvPortfolio Holdings for Flagship Pioneering
Flagship Pioneering holds 4 positions in its portfolio as reported in the December 2025 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price | |
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| Moderna (MRNA) | 42.2 | $137M | 4.6M | 29.49 |
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| Sana Biotechnology (SANA) | 31.4 | $102M | 25M | 4.07 |
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| Foghorn Therapeutics (FHTX) | 21.1 | $68M | 13M | 5.40 |
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| Seres Therapeutics (MCRB) | 5.3 | $17M | 1.2M | 14.93 |
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Past Filings by Flagship Pioneering
SEC 13F filings are viewable for Flagship Pioneering going back to 2016
- Flagship Pioneering 2025 Q4 filed Feb. 17, 2026
- Flagship Pioneering 2025 Q3 filed Nov. 14, 2025
- Flagship Pioneering 2025 Q2 filed Aug. 14, 2025
- Flagship Pioneering 2025 Q1 filed May 15, 2025
- Flagship Pioneering 2024 Q4 filed Feb. 14, 2025
- Flagship Pioneering 2024 Q3 filed Nov. 14, 2024
- Flagship Pioneering 2024 Q2 filed Aug. 14, 2024
- Flagship Pioneering 2024 Q1 filed May 15, 2024
- Flagship Pioneering 2023 Q4 filed Feb. 14, 2024
- Flagship Pioneering 2023 Q3 filed Nov. 14, 2023
- Flagship Pioneering 2023 Q2 filed Aug. 14, 2023
- Flagship Pioneering 2023 Q1 filed May 15, 2023
- Flagship Pioneering 2022 Q4 filed Feb. 14, 2023
- Flagship Pioneering 2022 Q3 filed Nov. 14, 2022
- Flagship Pioneering 2022 Q2 filed Aug. 15, 2022
- Flagship Pioneering 2022 Q1 filed May 16, 2022