Who owns Generation Bio Co?
- Ticker: GBIO
- CUSIP Number: 37148k209
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Analyze quarterly positions in Generation Bio with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of Generation Bio stock
Who bought or sold Generation Bio Co this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| Atlas Venture Life Science Advisors | 828k | $4.7M | 100% | Dec 2025 |
|
| Renaissance Technologies | 288k | $1.6M | -16% | Dec 2025 |
|
| Vanguard Group | 230k | $1.3M | 0% | Dec 2025 |
|
| Siren | 201k | $1.1M | -32% | Dec 2025 |
|
| Marshall Wace | 140k | $797k | -36% | Dec 2025 |
|
| State Street Corporation | 20k | $114k | 0% | Dec 2025 |
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| Northern Trust | 17k | $97k | 28% | Dec 2025 |
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| XTX Topco | 13k | $75k | 16% | Dec 2025 |
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| FMR | 2.6k | $15k | -80% | Dec 2025 |
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| CWM | 1.00 | $0 | -75% | Dec 2025 |
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Who sold out of Generation Bio?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Opaleye Management | Dec 2025 | 310k | $1.8M |
| UBS Group | Dec 2025 | 165k | $936k |
| Morgan Stanley | Dec 2025 | 161k | $917k |
| Acadian Asset Management | Dec 2025 | 121k | $686k |
| Yiheng Capital | Dec 2025 | 106k | $599k |
| Rangeley Capital | Dec 2025 | 98k | $558k |
| Goldman Sachs Group | Dec 2025 | 92k | $520k |
| Millennium Management | Dec 2025 | 89k | $503k |
| BlackRock | Dec 2025 | 60k | $341k |
| Geode Capital Management | Dec 2025 | 52k | $294k |
| Two Sigma Investments | Dec 2025 | 51k | $287k |
| Citadel Advisors | Dec 2025 | 47k | $268k |
| DRW Holdings | Dec 2025 | 44k | $249k |
| Deltec Asset Management | Dec 2025 | 33k | $186k |
| TD Asset Management | Dec 2025 | 27k | $152k |
| Torno Capital | Dec 2025 | 25k | $142k |
| Lynx1 Capital Management | Dec 2025 | 25k | $142k |
| ADAR1 Capital Management | Dec 2025 | 22k | $126k |
| None | Dec 2025 | 20k | $113k |
| CSS | Dec 2025 | 18k | $99k |
| Palo Alto Investors | Dec 2025 | 15k | $86k |
| Manufacturers Life Insurance Company | Dec 2025 | 14k | $81k |
| Two Sigma Advisers | Dec 2025 | 12k | $68k |
| Seven Fleet Capital Management | Dec 2025 | 5.4k | $31k |
| Royal Bank of Canada | Sep 2025 | 1.1k | $8.5k |
| Jpmorgan Chase & Co | Sep 2025 | 687.00 | $4.2k |
| Rockefeller Capital Management | Dec 2025 | 500.00 | $2.8k |
| Sterling Capital Management | Dec 2025 | 194.00 | $1.1k |
| Bnp Paribas Arbitrage, Snc | Dec 2025 | 147.00 | $835.004100 |
| SBI Securities | Dec 2025 | 53.00 | $300.997600 |
| Wells Fargo & Company | Dec 2025 | 50.00 | $284.000000 |
| Optiver Holding B.V. | Dec 2025 | 2.00 | $11.000000 |
| Smartleaf Asset Management | Dec 2025 | 1.00 | $6.000000 |