Generation Bio Co.
GBIODelisted Feb 9, 2026- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001733294
Generation Bio Co. was delisted on Feb 9, 2026; its insiders filed their last Form 4 on Feb 9, 2026; 48 institutions reported holding it in 13F filings for Q4 2025, worth $24.5M in total; no superinvestor held it.
13F holders, Q3 2022
Institutional positions in Generation Bio Co. as of Sep 30, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 115
- +20 vs. Q2 2022
- Shares held
- 57.7M
- +2.34M (+4.2%) vs. Q2 2022
- Total value
- $306.3M
- −$57.2M (−15.7%) vs. Q2 2022
- New holders
- 27
- 43 more added
- Sold out
- 7
- 25 more reduced
Compare with Q2 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting GBIO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1 | $0 |
| Q1 2026 | 2 | $53.3K |
| Q4 2025 | 48 | $24.5M |
| Q3 2025 | 41 | $24.2M |
| Q2 2025 | 63 | $13.3M |
| Q1 2025 | 81 | $19.3M |
| Q4 2024 | 80 | $57.1M |
| Q3 2024 | 77 | $136.4M |
| Q2 2024 | 79 | $156.5M |
| Q1 2024 | 77 | $223.7M |
| Q4 2023 | 76 | $86.7M |
| Q3 2023 | 77 | $216.8M |
| Q2 2023 | 81 | $315.1M |
| Q1 2023 | 86 | $246.8M |
| Q4 2022 | 98 | $224.5M |
| Q3 2022 | 115 | $306.3M |
| Q2 2022 | 95 | $363.5M |
| Q1 2022 | 89 | $415.8M |
| Q4 2021 | 89 | $390.3M |
| Q3 2021 | 82 | $1.20B |
| Q2 2021 | 98 | $1.25B |
| Q1 2021 | 88 | $1.27B |
Institutions, Q3 2022
Shares, value and share of portfolio for each institution holding Generation Bio Co.; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Huntington National Bank | 1 | $0 | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 1 | $0 | 0.00% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 2 | $0 | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 35 | $0 | 0.00% | +35 | New |
| State of Wyoming | 22 | $0 | 0.00% | +22 | New |
| Clearstead Advisors, LLC | 100 | $1.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 194 | $1.00K | 0.00% | 00.0% | Unchanged |
| TCI Wealth Advisors, Inc. | 100 | $1.00K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 267 | $1.00K | 0.00% | +267 | New |
| Clear Street Markets LLC | 215 | $1.00K | 0.00% | +215 | New |
| Parallel Advisors, LLC | 154 | $1.00K | 0.00% | +154 | New |
| Wipfli Financial Advisors LLC, | 148 | $1.00K | 0.00% | +148 | New |
| Signaturefd, LLC | 444 | $2.00K | 0.00% | +83+23.0% | Added |
| Macquarie Group Ltd | 0 | $3.00K | 0.00% | −498−100.0% | Reduced |
| China Universal Asset Management Co., Ltd. | 552 | $3.00K | 0.00% | +552 | New |
| Ellevest, Inc. | 796 | $4.00K | 0.00% | +796 | New |
| Metropolitan Life Insurance Co | 937 | $4.97K | 0.00% | −2,109−69.2% | Reduced |
| Compagnie Lombard Odier SCmA | 1,050 | $6.00K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 2,040 | $11.0K | 0.00% | −494−19.5% | Reduced |
| Wells Fargo & Company | 2,218 | $12.0K | 0.00% | −456−17.1% | Reduced |
| Citigroup Inc | 2,502 | $13.0K | 0.00% | −2,583−50.8% | Reduced |
| Great West Life Assurance Co | 2,707 | $14.0K | 0.00% | +211+8.5% | Added |
| US Bancorp | 2,652 | $14.0K | 0.00% | +2,376+860.9% | Added |
| Manchester Capital Management LLC | 3,000 | $16.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,277 | $17.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 3,167 | $17.0K | 0.00% | +3,167 | New |
| Quantbot Technologies LP | 4,092 | $21.0K | 0.00% | −500−10.9% | Reduced |
| Dark Forest Capital Management LP | 5,067 | $27.0K | 0.00% | +5,067 | New |
| Amalgamated Bank | 5,964 | $32.0K | 0.00% | +187+3.2% | Added |
| Tower Research Capital LLC (TRC) | 6,178 | $33.0K | 0.00% | −4,557−42.4% | Reduced |
| Royal Bank of Canada | 6,936 | $37.0K | 0.00% | +323+4.9% | Added |
| Denali Advisors LLC | 7,400 | $39.0K | 0.02% | +7,400 | New |
| Ensign Peak Advisors, Inc | 7,790 | $41.0K | 0.00% | 00.0% | Unchanged |
| Cannell Capital LLC | 7,768 | $41.0K | 0.01% | +6,023+345.2% | Added |
| ProShare Advisors LLC | 10,251 | $54.0K | 0.00% | +10,251 | New |
| Millennium Management LLC | 10,347 | $55.0K | 0.00% | −60,213−85.3% | Reduced |
| Principal Financial Group Inc | 11,448 | $61.0K | 0.00% | +11,448 | New |
| Arizona State Retirement System | 11,635 | $62.0K | 0.00% | +49+0.4% | Added |
| Virginia Retirement Systems Et Al | 12,400 | $65.8K | 0.00% | +12,400 | New |
| Ameriprise Financial Inc | 13,690 | $72.0K | 0.00% | +13,690 | New |
| Public Employees Retirement System of Ohio | 13,500 | $72.0K | 0.00% | +13,500 | New |
| Teacher Retirement System of Texas | 14,078 | $75.0K | 0.00% | +14,078 | New |
| SG Americas Securities, LLC | 15,764 | $84.0K | 0.00% | −2,268−12.6% | Reduced |
| Invesco Ltd. | 16,696 | $89.0K | 0.00% | +75+0.5% | Added |
| Schonfeld Strategic Advisors LLC | 17,100 | $91.0K | 0.00% | +17,100 | New |
| Acadian Asset Management LLC | 18,305 | $97.0K | 0.00% | +11,715+177.8% | Added |
| Legal & General Group Plc | 18,969 | $100.0K | 0.00% | +1,805+10.5% | Added |
| Walleye Capital LLC | 18,795 | $100.0K | 0.00% | +18,795 | New |
| Victory Capital Management Inc | 19,210 | $102.0K | 0.00% | +1,495+8.4% | Added |
| Mirae Asset Global Investments Co., Ltd. | 19,732 | $105.0K | 0.00% | +5,967+43.3% | Added |
| Voya Investment Management LLC | 20,075 | $106.6K | 0.00% | +2,448+13.9% | Added |
| Citadel Advisors LLC | 21,482 | $114.0K | 0.00% | −33,157−60.7% | Reduced |
| Cubist Systematic Strategies, LLC | 22,246 | $118.0K | 0.00% | +1,219+5.8% | Added |
| Susquehanna International Group, LLP | 22,761 | $121.0K | 0.00% | −48,174−67.9% | Reduced |
| American International Group, Inc. | 22,830 | $121.0K | 0.00% | +1,055+4.8% | Added |
| Occudo Quantitative Strategies LP | 22,772 | $121.0K | 0.01% | +22,772 | New |
| Russell Investments Group, Ltd. | 23,196 | $122.0K | 0.00% | +23,196 | New |
| UBS Asset Management Americas Inc | 24,668 | $131.0K | 0.00% | 00.0% | Unchanged |
| Massachusetts Financial Services Co | 25,678 | $136.0K | 0.00% | +25,678 | New |
| New York State Common Retirement Fund | 26,033 | $138.0K | 0.00% | +116+0.4% | Added |
| MetLife Investment Management | 26,317 | $139.7K | 0.00% | 00.0% | Unchanged |
| Algert Global LLC | 27,746 | $147.0K | 0.01% | +27,746 | New |
| Tudor Investment Corp Et Al | 28,234 | $150.0K | 0.00% | +445+1.6% | Added |
| Cornercap Investment Counsel Inc | 28,345 | $151.0K | 0.03% | +3,481+14.0% | Added |
| Credit Suisse AG | 30,833 | $164.0K | 0.00% | +227+0.7% | Added |
| Two Sigma Investments, LP | 31,567 | $168.0K | 0.00% | +19,567+163.1% | Added |
| AQR Capital Management LLC | 32,624 | $173.0K | 0.00% | +32,624 | New |
| Trexquant Investment LP | 32,905 | $175.0K | 0.01% | +32,905 | New |
| Marshall Wace, LLP | 33,822 | $180.0K | 0.00% | −651−1.9% | Reduced |
| Nisa Investment Advisors, LLC | 36,200 | $191.0K | 0.00% | −2,000−5.2% | Reduced |
| Two Sigma Advisers, LP | 37,200 | $198.0K | 0.00% | +16,400+78.8% | Added |
| PDT Partners, LLC | 40,607 | $216.0K | 0.03% | −17,557−30.2% | Reduced |
| Man Group plc | 40,675 | $216.0K | 0.00% | – | – |
| HRT Financial LP | 49,644 | $263.0K | 0.00% | −105,639−68.0% | Reduced |
| Alliancebernstein L.P. | 53,006 | $281.0K | 0.00% | +2,900+5.8% | Added |
| California State Teachers Retirement System | 55,824 | $296.0K | 0.00% | −584−1.0% | Reduced |
| Los Angeles Capital Management LLC | 65,332 | $347.0K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 70,662 | $375.0K | 0.00% | +5,885+9.1% | Added |
| Martingale Asset Management L P | 74,304 | $395.0K | 0.01% | −60.0% | Reduced |
| Gsa Capital Partners LLP | 82,946 | $440.0K | 0.06% | +64,489+349.4% | Added |
| Swiss National Bank | 100,700 | $535.0K | 0.00% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 129,673 | $689.0K | 0.00% | −15,187−10.5% | Reduced |
| Deutsche Bank AG | 139,955 | $743.0K | 0.00% | −8,241−5.6% | Reduced |
| Jacobs Levy Equity Management, Inc | 146,267 | $777.0K | 0.01% | +109,927+302.5% | Added |
| Manufacturers Life Insurance Company, The | 152,011 | $778.0K | 0.00% | −563−0.4% | Reduced |
| Bank of New York Mellon Corp | 165,415 | $878.0K | 0.00% | +19,474+13.3% | Added |
| D. E. Shaw & Co., Inc. | 217,417 | $1.15M | 0.00% | +35,413+19.5% | Added |
| TD Asset Management Inc | 231,461 | $1.18M | 0.00% | +21,500+10.2% | Added |
| HighVista Strategies LLC | 248,994 | $1.32M | 0.76% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 290,200 | $1.54M | 0.00% | +3,071+1.1% | Added |
| Dimensional Fund Advisors LP | 332,973 | $1.77M | 0.00% | +204,832+159.8% | Added |
| Charles Schwab Investment Management Inc | 340,598 | $1.81M | 0.00% | +22,032+6.9% | Added |
| Nuveen Asset Management, LLC | 358,648 | $1.91M | 0.00% | +45,771+14.6% | Added |
| BVF Inc | 361,824 | $1.92M | 0.08% | −1,194,208−76.7% | Reduced |
| UBS Group AG | 371,942 | $1.98M | 0.00% | +361,865+3,591.0% | Added |
| Northern Trust Corp | 413,698 | $2.20M | 0.00% | +1,113+0.3% | Added |
| JPMorgan Chase & Co | 458,075 | $2.43M | 0.00% | −186,181−28.9% | Reduced |
| Morgan Stanley | 486,884 | $2.58M | 0.00% | +283,067+138.9% | Added |
| Harvard Management Co Inc | 510,354 | $2.71M | 0.34% | 00.0% | Unchanged |
| Bank of America Corp | 606,458 | $3.22M | 0.00% | +585,673+2,817.8% | Added |