Filed: 5/15/2026ACC: 0001193125-26-226588
📋 What this filing means
FLAGSHIP PIONEERING, LLC filed this quarterly 13F‑HR report disclosing 5 equity positions with a total reported market value of $1.16B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
5
Positions
$1.16B
Total AUM (reported)
106.14M
Total Shares
Allocation by class
COM SHS$783.41M67.4%
COM$367.90M31.7%
COM NEW$10.25M0.9%
Portfolio Concentration
Top 3$1.09B93.9%
4–10$70.83M6.1%
Top 3 weight
93.9%
Top 10 weight
100.0%
Voting Authority Distribution
Total shares with voting rights: 106.14M
Sole
Full voting authority
0.00
shares
% of voting shares0.0%
Shared
Joint voting authority
106.14M
shares
% of voting shares100.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole0
Shared0
Other5
Dominant voting typeShared · 100.0% of voting shares
Institutional Holdings5
Rows:
GENERATE BIOMEDICINES INC
DFNDShares62.67M
TypeSH
Market value$783.41M
67.44%
Sole
0.00
Shared
62.67M
None
0.00
MODERNA INC
DFNDShares4.63M
TypeSH
Market value$235.31M
20.26%
Sole
0.00
Shared
4.63M
None
0.00
SANA BIOTECHNOLOGY INC
DFNDShares25M
TypeSH
Market value$72.01M
6.20%
Sole
0.00
Shared
25M
None
0.00
FOGHORN THERAPEUTICS INC
DFNDShares12.67M
TypeSH
Market value$60.58M
5.22%
Sole
0.00
Shared
12.67M
None
0.00
SERES THERAPEUTICS INC
DFNDShares1.16M
TypeSH
Market value$10.25M
0.88%
Sole
0.00
Shared
1.16M
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
GENERATE BIOMEDICINES INCDFND | COM SHS | 62.67M | SH | $783.41M 67.44% | 0.00 | 62.67M | 0.00 |
MODERNA INCDFND | COM | 4.63M | SH | $235.31M 20.26% | 0.00 | 4.63M | 0.00 |
SANA BIOTECHNOLOGY INCDFND | COM | 25M | SH | $72.01M 6.20% | 0.00 | 25M | 0.00 |
FOGHORN THERAPEUTICS INCDFND | COM | 12.67M | SH | $60.58M 5.22% | 0.00 | 12.67M | 0.00 |
SERES THERAPEUTICS INCDFND | COM NEW | 1.16M | SH | $10.25M 0.88% | 0.00 | 1.16M | 0.00 |