Generation Bio Co. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC | 11/13/2025 | 827.95 K | $5.07 M | -90.00% | 12.29% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 11/14/2025 | 576.79 K | $3.53 M | 100.00% | 8.56% |
| RENAISSANCE TECHNOLOGIES LLC | 11/13/2025 | 344.26 K | $2.11 M | 100.00% | 5.11% |
| SIREN, L.L.C. | 11/13/2025 | 296.89 K | $1.82 M | 100.00% | 4.41% |
| VANGUARD GROUP INC | 11/07/2025 | 229.83 K | $1.41 M | 100.00% | 3.41% |
| MARSHALL WACE, LLP | 11/13/2025 | 218.46 K | $1.34 M | 88.00% | 3.24% |
| BAKER BROS. ADVISORS LP | 11/14/2025 | 194.49 K | $1.19 M | 100.00% | 2.89% |
| MORGAN STANLEY | 11/14/2025 | 164.27 K | $1.01 M | 100.00% | 2.44% |
| UBS GROUP AG | 11/13/2025 | 148.72 K | $910.17 K | 100.00% | 2.21% |
| ACADIAN ASSET MANAGEMENT LLC | 11/13/2025 | 127.51 K | $779.00 K | 100.00% | 1.89% |
| GOLDMAN SACHS GROUP INC | 11/14/2025 | 118.58 K | $725.73 K | 100.00% | 1.76% |
| YIHENG CAPITAL MANAGEMENT, L.P. | 11/14/2025 | 105.52 K | $645.81 K | 100.00% | 1.57% |
| CANTOR FITZGERALD, L. P. | 12/01/2025 | 99.00 K | $605.88 K | 100.00% | 1.47% |
| MILLENNIUM MANAGEMENT LLC | 11/14/2025 | 97.35 K | $595.81 K | 100.00% | 1.45% |
| BANK OF AMERICA CORP /DE/ | 11/14/2025 | 84.82 K | $519.08 K | 100.00% | 1.26% |
| BLACKROCK, INC. | 11/12/2025 | 60.12 K | $367.91 K | 100.00% | 0.89% |
| GEODE CAPITAL MANAGEMENT, LLC | 11/12/2025 | 49.81 K | $304.89 K | 100.00% | 0.74% |
| CITADEL ADVISORS LLC | 11/14/2025 | 47.20 K | $288.85 K | 100.00% | 0.70% |
| TD ASSET MANAGEMENT INC | 11/10/2025 | 26.71 K | $163.45 K | 100.00% | 0.40% |
| ADAR1 CAPITAL MANAGEMENT, LLC | 11/14/2025 | 22.14 K | $135.52 K | 100.00% | 0.33% |
| STATE STREET CORP | 11/14/2025 | 19.99 K | $122.36 K | 100.00% | 0.30% |
| ADVISOR GROUP HOLDINGS, INC. | 11/14/2025 | 15.46 K | $4.95 K | 0.00% | 0.23% |
| PALO ALTO INVESTORS LP | 11/14/2025 | 15.05 K | $92.09 K | -90.00% | 0.22% |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 11/14/2025 | 14.40 K | $88.12 K | 100.00% | 0.21% |
| NORTHERN TRUST CORP | 11/14/2025 | 13.31 K | $81.43 K | 100.00% | 0.20% |
| FMR LLC | 11/13/2025 | 13.03 K | $79.75 K | 100.00% | 0.19% |
| TWO SIGMA INVESTMENTS, LP | 11/14/2025 | 12.44 K | $76.15 K | 100.00% | 0.18% |
| XTX TOPCO LTD | 11/14/2025 | 11.34 K | $69.43 K | 100.00% | 0.17% |
| SHAY CAPITAL LLC | 11/14/2025 | 10.41 K | $63.73 K | 100.00% | 0.15% |
| ROYAL BANK OF CANADA | 11/14/2025 | 1.09 K | $7.00 K | 100.00% | 0.02% |
| JPMORGAN CHASE & CO | 11/26/2025 | 687 | $4.20 K | 100.00% | 0.01% |
| CITIGROUP INC | 11/10/2025 | 668 | $4.09 K | 100.00% | 0.01% |
| ROCKEFELLER CAPITAL MANAGEMENT L.P. | 11/14/2025 | 350 | $2.14 K | 100.00% | 0.01% |
| STERLING CAPITAL MANAGEMENT LLC | 11/12/2025 | 194 | $1.19 K | 100.00% | 0.00% |
| BNP PARIBAS ARBITRAGE, SNC | 11/13/2025 | 154 | $942 | 100.00% | 0.00% |
| SBI SECURITIES CO., LTD. | 11/05/2025 | 53 | $324 | -90.00% | 0.00% |
| WELLS FARGO & COMPANY/MN | 11/13/2025 | 50 | $306 | 100.00% | 0.00% |
| ACCENT CAPITAL MANAGEMENT, LLC | 11/12/2025 | 38 | $23.37 K | 0.00% | 0.00% |
| OPTIVER HOLDING B.V. | 11/10/2025 | 5 | $31 | 100.00% | 0.00% |
| JPMORGAN CHASE & CO | 11/26/2025 | 0 | $0 | -100.00% | 0.00% |
| BANK OF AMERICA CORP /DE/ | 11/14/2025 | 0 | $0 | -100.00% | 0.00% |
| WELLS FARGO & COMPANY/MN | 11/13/2025 | 0 | $0 | -100.00% | 0.00% |
| NORTHERN TRUST CORP | 11/14/2025 | 0 | $0 | -100.00% | 0.00% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 11/14/2025 | 0 | $0 | -100.00% | 0.00% |
| STATE STREET CORP | 11/14/2025 | 0 | $0 | -100.00% | 0.00% |
| VANGUARD GROUP INC | 11/07/2025 | 0 | $0 | -100.00% | 0.00% |
| BARCLAYS PLC | 11/12/2025 | 0 | $0 | -100.00% | 0.00% |
| FMR LLC | 11/13/2025 | 0 | $0 | -100.00% | 0.00% |
| PNC FINANCIAL SERVICES GROUP, INC. | 11/07/2025 | 0 | $0 | -100.00% | 0.00% |
| RAYMOND JAMES FINANCIAL INC | 11/14/2025 | 0 | $0 | -100.00% | 0.00% |
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Generation Bio Co. institutional Ownership - FAQ's
During the previous two years, 76 institutional investors and hedge funds held shares of Generation Bio Co.. The most heavily invested institutionals were:
Atlas Venture Life Science Advisors, LLC: 827,946
PRICE T ROWE ASSOCIATES INC /MD/: 576,789
RENAISSANCE TECHNOLOGIES LLC: 344,263
Siren, L.L.C.: 296,892
VANGUARD GROUP INC: 229,833
MARSHALL WACE, LLP: 218,461
58.93% of Generation Bio Co. stock is owned by institutional investors.
Institutional investors have bought a total of 7.94 M shares in the last 24 months. This purchase volume represents approximately $50.31 M in transactions.