Filed: 11/14/2025ACC: 0001193125-25-282859
📋 What this filing means
FLAGSHIP PIONEERING, LLC filed this quarterly 13F‑HR report disclosing 4 equity positions with a total reported market value of $292.62M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
4
Positions
$292.62M
Total AUM (reported)
43.46M
Total Shares
Allocation by class
COM$292.62M100.0%
Portfolio Concentration
Top 3$270.38M92.4%
4–10$22.24M7.6%
Top 3 weight
92.4%
Top 10 weight
100.0%
Voting Authority Distribution
Total shares with voting rights: 43.46M
Sole
Full voting authority
0.00
shares
% of voting shares0.0%
Shared
Joint voting authority
43.46M
shares
% of voting shares100.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole0
Shared0
Other4
Dominant voting typeShared · 100.0% of voting shares
Institutional Holdings4
Rows:
Moderna Inc
DFNDShares4.63M
TypeSH
Market value$119.65M
40.89%
Sole
0.00
Shared
4.63M
None
0.00
Sana Biotechnology Inc
DFNDShares25M
TypeSH
Market value$88.76M
30.33%
Sole
0.00
Shared
25M
None
0.00
Foghorn Therapeutics Inc
DFNDShares12.67M
TypeSH
Market value$61.98M
21.18%
Sole
0.00
Shared
12.67M
None
0.00
Seres Therapeutics Inc
DFNDShares1.16M
TypeSH
Market value$22.24M
7.60%
Sole
0.00
Shared
1.16M
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
Moderna IncDFND | COM | 4.63M | SH | $119.65M 40.89% | 0.00 | 4.63M | 0.00 |
Sana Biotechnology IncDFND | COM | 25M | SH | $88.76M 30.33% | 0.00 | 25M | 0.00 |
Foghorn Therapeutics IncDFND | COM | 12.67M | SH | $61.98M 21.18% | 0.00 | 12.67M | 0.00 |
Seres Therapeutics IncDFND | COM | 1.16M | SH | $22.24M 7.60% | 0.00 | 1.16M | 0.00 |