13F HOLDINGS REPORT
Flagship Pioneering Inc.
Quarter ended Q4 2025 · Filed February 17, 2026 · Accession 0001193125-26-054539
Total Value
$324.0M
Positions
5
Other Managers
2
Confidential Omitted
No
Holdings (6)
| # | Issuer | Ticker / CUSIP | Shares | Value | % of Filing |
|---|---|---|---|---|---|
| 1 | Moderna Inc | MRNA | 4,628,225 | $136.5M | 42.12% |
| 2 | Sana Biotechnology Inc | SANA | 25,001,856 | $101.8M | 31.40% |
| 3 | Foghorn Therapeutics Inc | FHTX | 12,674,120 | $68.4M | 21.12% |
| 4 | Seres Therapeutics Inc | MCRB | 733,207 | $10.9M | 3.38% |
| 5 | Seres Therapeutics Inc | MCRB | 422,643 | $6.3M | 1.94% |
| 6 | Moderna Inc | MRNA | 3,924 | $115,719 | 0.04% |