D. E. Shaw & Co., Inc.
- SEC CIK
- 0001009207
- Latest filing
- Aug 14, 2026
GBIO holding history
Generation Bio Co. in every 13F filed by D. E. Shaw & Co., Inc., 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 2025)
- 0
- Sold out in Q1 2025
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 16
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q1 2025 | 0 | $0 | 0.0% | −344,922−100.0% | Sold out | Holders |
| Q4 2024 | 344,922 | $365.6K | <0.1% | −143,227−29.3% | Reduced | Holders |
| Q3 2024 | 488,149 | $1.21M | <0.1% | +609+0.1% | Added | Holders |
| Q2 2024 | 487,540 | $1.37M | <0.1% | +43,832+9.9% | Added | Holders |
| Q1 2024 | 443,708 | $1.81M | <0.1% | +160,600+56.7% | Added | Holders |
| Q4 2023 | 283,108 | $467.1K | <0.1% | +258,122+1,033.1% | Added | Holders |
| Q3 2023 | 24,986 | $94.7K | <0.1% | −11,253−31.1% | Reduced | Holders |
| Q2 2023 | 36,239 | $199.3K | <0.1% | −46,280−56.1% | Reduced | Holders |
| Q1 2023 | 82,519 | $354.8K | <0.1% | −144,329−63.6% | Reduced | Holders |
| Q4 2022 | 226,848 | $891.5K | <0.1% | +9,431+4.3% | Added | Holders |
| Q3 2022 | 217,417 | $1.15M | <0.1% | +35,413+19.5% | Added | Holders |
| Q2 2022 | 182,004 | $1.19M | <0.1% | −44,597−19.7% | Reduced | Holders |
| Q1 2022 | 226,601 | $1.66M | <0.1% | +66,214+41.3% | Added | Holders |
| Q4 2021 | 160,387 | $1.14M | <0.1% | +152,028+1,818.7% | Added | Holders |
| Q3 2021 | 8,359 | $210.0K | <0.1% | −116,791−93.3% | Reduced | Holders |
| Q2 2021 | 125,150 | $3.37M | <0.1% | −8,910−6.6% | Reduced | Holders |
| Q1 2021 | 134,060 | $3.81M | <0.1% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.