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§ 13F · FUND PROFILE

Flagship Pioneering Inc..

Institutional filer · behavioral pattern: Other. Summary pending.
AUM · (13F)Positions · 6Turnover · · Q4Filed · Feb 17, 2026
CONCENTRATION
Top 10 holdings
NEW BUYS
0
+$324.0T deployed
EXITS
0
No exits
SECTOR SHIFT
No prior quarter data
3YR HIT RATE
Top-5 overlap
§ 01 · TOP HOLDINGS

The book · Q4 2025

FILED FEB 17, 2026
#TickerNameShares$ value% portΔ Q4
1MRNAModerna Inc4.63M$136.5T42.1%NEW
2SANASana Biotechnology Inc25.00M$101.8T31.4%NEW
3FHTXFoghorn Therapeutics Inc12.67M$68.4T21.1%NEW
4MCRBSeres Therapeutics Inc733K$10.9T3.4%NEW
5MCRBSeres Therapeutics Inc423K$6.3T1.9%NEW
6MRNAModerna Inc4K$115.7B0.0%NEW
§ 02 · SECTOR ALLOCATION

Where the money is

Sector data pending
§ 03 · THE FLAGSHIP SIGNAL

AC read

Flagship Pioneering Inc. is classified as a Other fund.

Read the full dossier →
§ 04 · FILING HISTORY

Q-by-Q deltas

1 FILINGS
Q4 2025
Steady book
+0 buys · 0 exits · 0 changed
Q1 2025
Steady book
+0 buys · 0 exits · 0 changed