CSS LLC
- SEC CIK
- 0001103646
- Latest filing
- Aug 14, 2026
GBIO holding history
Generation Bio Co. in every 13F filed by CSS LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
GBIO overviewAll 13F holders of GBIOFull Q2 2026 holdings
- Shares (Q1 2026)
- 0
- Sold out in Q1 2026
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 1
- Since Q4 2025