Generation BioGBIO

13F holders, Q2 2026 (June 30)
1holders −1
0new positions
1sold out
$0.00avg. 13F price*

At the end of Q2 2026, 1 institutions reported holding Generation Bio Co. (GBIO) in their 13F filings, down 1 from Q1 2026. 0 opened new positions and 1 sold out. The largest holder was Huntington National Bank ($0).

Company
Generation Bio Co.
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 Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions0$0
Exits1$53K

All 13F filers, Q1 2026 → Q2 2026: 61 shares sold, net −61 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 1 holders

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.