Generation BioGBIO

13F holders, Q4 2025 (December 31)
2holders −4
0new positions
4sold out
$629.37avg. 13F price*

At the end of Q4 2025, 2 institutions reported holding Generation Bio Co. (GBIO) in their 13F filings, down 4 from Q3 2025. 0 opened new positions and 4 sold out. The largest holders were Accent Capital Management, LLC ($17K) and Huntington National Bank ($0).

Company
Generation Bio Co.
Filed as
GE VERNOVA INC (Q4 2025)
CUSIP
37148K100
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080100 Q1 2024: 77Q1 2024Q2 2024: 79Q2 2024Q3 2024: 77Q3 2024Q4 2024: 80Q4 2024Q1 2025: 81Q1 2025Q2 2025: 59Q2 2025Q3 2025: 6Q3 2025Q4 2025: 2Q4 2025Q1 2026: 2Q1 2026Q2 2026: 1Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions0$0
Exits4$5.2M

All 13F filers, Q3 2025 → Q4 2025: 858,468 shares sold, net −858,468 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 2 holders

Accent Capital Management, LLC 0.01% Reduce -31.6% 26 $17K
Huntington National Bank 0.00% No change 1 $0

"% of holder's portfolio" is GBIO's weight in each manager's 13F, not the share of Generation Bio Co. the manager owns.