Generation BioGBIO
13F holders, Q2 2025 (June 30)4holders
$0.32avg. 13F price*
At the end of Q2 2025, 4 institutions reported holding Generation Bio Co. (GBIO) in their 13F filings. The largest holders were Marshall Wace, LLP ($37K), SBI Securities Co., Ltd. ($170) and EverSource Wealth Advisors, LLC ($125).
- Company
- Generation Bio Co.
- CUSIP
- 37148K209
- Latest filing quarter
- Q4 2025
History
Number of 13F holders
Total Exit/New Position Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $37K |
| Exits | 0 | $0 |
Ownership 4 holders
| Marshall Wace, LLP | 0.00% | New | 116,201 | $37K |
| SBI Securities Co., Ltd. | 0.00% | New | 530 | $170 |
| EverSource Wealth Advisors, LLC | 0.00% | New | 391 | $125 |
| Essential Partners LLC | 0.00% | — | 130 | $42 |
"% of holder's portfolio" is GBIO's weight in each manager's 13F, not the share of Generation Bio Co. the manager owns.