Generate Biomedicines, Inc. - GENB
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Flagship Pioneering, LLC | History | No change | 62,673,117 | 1,057,295 | 68.66% | 67.44% | 1 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| FMR LLC | History | Added to | 5,221,599 | 88,088 | 0.0% | 0.0% | 2 | +1,004,075 | 23.81% | Q2 2026 | Aug 13, 2026 |
| Capital World Investors | History | Added to | 4,215,632 | 71,117 | 0.01% | 0.01% | 3 | +211,483 | 5.28% | Q2 2026 | Aug 12, 2026 |
| BRAIDWELL LP | History | Reduced | 3,283,844 | 55,398 | 2.05% | 1.5% | 4 | -309,155 | -8.6% | Q2 2026 | Aug 14, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | Added to | 2,156,627 | 36,383 | 0.0% | 0.0% | 5 | +46,994 | 2.23% | Q2 2026 | Aug 14, 2026 |
| NORGES BANK | History | New | 2,094,616 | 35,336 | 0.0% | — | 6 | +2,094,616 | New | Q2 2026 | Aug 12, 2026 |
| ARCH Venture Management, LLC | History | No change | 1,944,426 | 32,802 | 2.98% | 3.59% | 7 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| HARBOURVEST PARTNERS LLC | History | No change | 1,722,210 | 29,053 | 17.09% | 21.33% | 8 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| BlackRock, Inc. | History | New | 1,659,966 | 28,003 | 0.0% | — | 9 | +1,659,966 | New | Q2 2026 | Aug 07, 2026 |
| BAKER BROS. ADVISORS LP | History | No change | 1,423,602 | 24,016 | 0.12% | 0.1% | 10 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 1,409,649 | 23,837 | 0.0% | 0.0% | 11 | -1,537,610 | -52.17% | Q2 2026 | Aug 12, 2026 |
| Deep Track Capital, LP | History | New | 1,333,815 | 22,501 | 0.33% | — | 12 | +1,333,815 | New | Q2 2026 | Aug 14, 2026 |
| ARK Investment Management LLC | History | Added to | 1,284,617 | 21,671 | 0.14% | 0.05% | 13 | +786,209 | 157.74% | Q2 2026 | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | Added to | 1,132,750 | 19,109 | 0.0% | 0.0% | 14 | +1,001,431 | 762.59% | Q2 2026 | Aug 13, 2026 |
| HARVARD MANAGEMENT CO INC | History | No change | 1,111,100 | 18,744 | 0.44% | 0.76% | 15 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| NVIDIA CORP | History | No change | 833,325 | 14,058 | 0.02% | 0.06% | 16 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Davern Capital Partners, LP | History | Added to | 824,679 | 13,912 | 2.37% | 2.03% | 17 | +232,879 | 39.35% | Q2 2026 | Aug 13, 2026 |
| Siren, L.L.C. | History | No change | 736,104 | 12,418 | 0.25% | 0.26% | 18 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 735,003 | 12,402 | 0.0% | 0.0% | 19 | +616,760 | 521.6% | Q2 2026 | Aug 12, 2026 |
| STATE STREET CORP | History | New | 526,565 | 8,883 | 0.0% | — | 20 | +526,565 | New | Q2 2026 | Aug 07, 2026 |
| Affinity Asset Advisors, LLC | History | Added to | 400,000 | 6,748 | 0.3% | 0.23% | 21 | +50,000 | 14.29% | Q2 2026 | Aug 13, 2026 |
| MORGAN STANLEY | History | Added to | 377,994 | 6,376 | 0.0% | 0.0% | 22 | +40,692 | 12.06% | Q2 2026 | Aug 13, 2026 |
| UBS Group AG | History | Reduced | 326,273 | 5,504 | 0.0% | 0.0% | 23 | -30,431 | -8.53% | Q2 2026 | Aug 13, 2026 |
| SPHERA FUNDS MANAGEMENT LTD. | History | Added to | 245,000 | 4,133 | 0.54% | 0.37% | 24 | +60,000 | 32.43% | Q2 2026 | Aug 14, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | New | 224,602 | 3,789 | 0.0% | — | 25 | +224,602 | New | Q2 2026 | Aug 14, 2026 |
| NORTHERN TRUST CORP | History | New | 197,543 | 3,332 | 0.0% | — | 26 | +197,543 | New | Q2 2026 | Aug 13, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | Added to | 175,356 | 2,958 | 0.0% | 0.0% | 27 | +157,900 | 904.56% | Q2 2026 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | History | New | 167,285 | 2,822 | 0.0% | — | 28 | +167,285 | New | Q2 2026 | Aug 13, 2026 |
| CenterBook Partners LP | History | Reduced | 131,560 | 2,219 | 0.11% | 0.18% | 29 | -135,253 | -50.69% | Q2 2026 | Aug 11, 2026 |
| ALPS ADVISORS INC | History | New | 129,406 | 2,183 | 0.01% | — | 30 | +129,406 | New | Q2 2026 | Jul 29, 2026 |
| SEVEN GRAND MANAGERS, LLC | History | No change | 125,000 | 2,108 | 0.08% | 0.1% | 31 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| BARCLAYS PLC | History | Added to | 116,902 | 1,972 | 0.0% | 0.0% | 32 | +46,008 | 64.9% | Q2 2026 | Aug 14, 2026 |
| LMR Partners LLP | History | No change | 100,000 | 1,687 | 0.01% | 0.0% | 33 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| AMERIPRISE FINANCIAL INC | History | Added to | 91,100 | 1,536 | 0.0% | 0.0% | 34 | +3,765 | 4.31% | Q2 2026 | Aug 14, 2026 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | History | Added to | 84,803 | 1,430 | 0.0% | 0.0% | 35 | +10,491 | 14.12% | Q2 2026 | Sep 09, 2026 |
| Bank of New York Mellon Corp | History | New | 57,326 | 967 | 0.0% | — | 36 | +57,326 | New | Q2 2026 | Aug 06, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 55,430 | 935 | 0.0% | 0.0% | 37 | +21,234 | 62.09% | Q2 2026 | Aug 14, 2026 |
| TD ASSET MANAGEMENT INC | History | Added to | 50,748 | 856 | 0.0% | 0.0% | 38 | +7,882 | 18.39% | Q2 2026 | Aug 04, 2026 |
| Nuveen, LLC | History | New | 44,470 | 750 | 0.0% | — | 39 | +44,470 | New | Q2 2026 | Aug 11, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | New | 39,685 | 669 | 0.0% | — | 40 | +39,685 | New | Q2 2026 | Aug 13, 2026 |
| Sumitomo Mitsui Trust Group, Inc. | History | Reduced | 38,665 | 652 | 0.0% | 0.0% | 41 | -1,679 | -4.16% | Q2 2026 | Jul 30, 2026 |
| Amova Asset Management Americas, Inc. | History | Reduced | 38,218 | 644 | 0.01% | 0.01% | 42 | -2,126 | -5.27% | Q2 2026 | Aug 13, 2026 |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | History | Added to | 37,226 | 628 | 0.04% | 0.02% | 43 | +18,023 | 93.86% | Q2 2026 | Jul 31, 2026 |
| Quadrature Capital Ltd | History | New | 31,510 | 531 | 0.0% | — | 44 | +31,510 | New | Q2 2026 | Aug 06, 2026 |
| Squarepoint Ops LLC | History | Reduced | 31,406 | 529 | 0.0% | 0.0% | 45 | -5,797 | -15.58% | Q2 2026 | Aug 14, 2026 |
| RHUMBLINE ADVISERS | History | New | 30,648 | 517 | 0.0% | — | 46 | +30,648 | New | Q2 2026 | Aug 11, 2026 |
| CITIGROUP INC | History | Added to | 30,587 | 516 | 0.0% | 0.0% | 47 | +28,343 | 1263.06% | Q2 2026 | Aug 03, 2026 |
| Virtus Investment Advisers, LLC | History | New | 26,430 | 445 | 0.1% | — | 48 | +26,430 | New | Q2 2026 | Aug 11, 2026 |
| XTX Topco Ltd | History | New | 24,956 | 421 | 0.01% | — | 49 | +24,956 | New | Q2 2026 | Aug 14, 2026 |
| DEUTSCHE BANK AG\ | History | New | 24,135 | 407 | 0.0% | — | 50 | +24,135 | New | Q2 2026 | Aug 07, 2026 |
| WELLS FARGO & COMPANY/MN | History | Added to | 23,302 | 393 | 0.0% | 0.0% | 51 | +22,102 | 1841.83% | Q2 2026 | Aug 14, 2026 |
| ALLIANCEBERNSTEIN L.P. | History | New | 22,650 | 382 | 0.0% | — | 52 | +22,650 | New | Q2 2026 | Aug 14, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 21,926 | 369 | 0.0% | 0.0% | 53 | -354,967 | -94.18% | Q2 2026 | Aug 14, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | New | 18,374 | 309 | 0.0% | — | 54 | +18,374 | New | Q2 2026 | Aug 14, 2026 |
| Magnus Financial Group LLC | History | New | 15,600 | 263 | 0.02% | — | 55 | +15,600 | New | Q2 2026 | Jul 09, 2026 |
| MetLife Investment Management, LLC | History | New | 14,841 | 250 | 0.0% | — | 56 | +14,841 | New | Q2 2026 | Aug 13, 2026 |
| Invesco Ltd. | History | New | 13,087 | 220 | 0.0% | — | 57 | +13,087 | New | Q2 2026 | Aug 14, 2026 |
| AXQ CAPITAL, LP | History | New | 12,946 | 218 | 0.02% | — | 58 | +12,946 | New | Q2 2026 | Aug 06, 2026 |
| SEI INVESTMENTS CO | History | New | 12,088 | 203 | 0.0% | — | 59 | +12,088 | New | Q2 2026 | Aug 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | New | 11,622 | 196 | 0.0% | — | 60 | +11,622 | New | Q2 2026 | Aug 14, 2026 |
| GOLDMAN SACHS GROUP INC | History | Reduced | 11,183 | 188 | 0.0% | 0.0% | 61 | -159,512 | -93.45% | Q2 2026 | Aug 14, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | New | 11,193 | 188 | 0.0% | — | 63 | +11,193 | New | Q2 2026 | Aug 14, 2026 |
| Parallel Advisors, LLC | History | Added to | 11,191 | 188 | 0.0% | 0.0% | 62 | +5,641 | 101.64% | Q2 2026 | Aug 05, 2026 |
| Vanguard Global Advisers, LLC | History | Added to | 11,088 | 187 | 0.0% | 0.0% | 64 | +9,863 | 805.14% | Q2 2026 | Aug 13, 2026 |
| SG Americas Securities, LLC | History | New | 9,277 | 157 | 0.0% | — | 65 | +9,277 | New | Q2 2026 | Aug 07, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | New | 8,600 | 145 | 0.0% | — | 66 | +8,600 | New | Q2 2026 | Jul 29, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | New | 7,200 | 121 | 0.0% | — | 67 | +7,200 | New | Q2 2026 | Jul 23, 2026 |
| FEDERATED HERMES, INC. | History | Reduced | 5,000 | 84 | 0.0% | 0.0% | 68 | -25,000 | -83.33% | Q2 2026 | Aug 12, 2026 |
| ALBION FINANCIAL GROUP /UT | History | No change | 4,854 | 81 | 0.0% | 0.0% | 69 | 0 | 0.0% | Q2 2026 | Jul 22, 2026 |
| STRS OHIO | History | New | 4,800 | 80 | 0.0% | — | 70 | +4,800 | New | Q2 2026 | Jul 30, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | New | 3,800 | 64 | 0.0% | — | 71 | +3,800 | New | Q2 2026 | Aug 13, 2026 |
| Legal & General Group Plc | History | New | 2,374 | 40 | 0.0% | — | 72 | +2,374 | New | Q2 2026 | Aug 14, 2026 |
| Ameritas Investment Partners, Inc. | History | New | 2,215 | 37 | 0.0% | — | 73 | +2,215 | New | Q2 2026 | Aug 13, 2026 |
| Russell Investments Group, Ltd. | History | New | 1,952 | 32 | 0.0% | — | 74 | +1,952 | New | Q2 2026 | Aug 06, 2026 |
| State of Wyoming | History | New | 1,407 | 23 | 0.0% | — | 76 | +1,407 | New | Q2 2026 | Aug 06, 2026 |
| STANCE CAPITAL LLC | History | New | 1,384 | 23 | 0.01% | — | 77 | +1,384 | New | Q2 2026 | Aug 14, 2026 |
| ROYAL BANK OF CANADA | History | Added to | 1,381 | 23 | 0.0% | 0.0% | 75 | +1,150 | 497.84% | Q2 2026 | Aug 14, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 1,014 | 17 | 0.0% | — | 78 | +1,013 | 101300.0% | Q2 2026 | Aug 11, 2026 |
| TD Waterhouse Canada Inc. | History | New | 573 | 9 | 0.0% | — | 79 | +573 | New | Q2 2026 | Jul 27, 2026 |
| Benson Wealth Management INC | History | New | 363 | 6 | 0.01% | — | 80 | +363 | New | Q2 2026 | Aug 10, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | New | 336 | 5 | 0.0% | — | 81 | +336 | New | Q2 2026 | Aug 24, 2026 |
| Sterling Capital Management LLC | History | New | 212 | 3 | 0.0% | — | 83 | +212 | New | Q2 2026 | Jul 28, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | New | 200 | 3 | 0.0% | — | 82 | +200 | New | Q2 2026 | Aug 14, 2026 |
| Avion Wealth | History | Added to | 200 | 3 | 0.0% | 0.0% | 84 | +100 | 100.0% | Q2 2026 | Jul 31, 2026 |
| Alyeska Investment Group, L.P. | History | Closed out | 0 | 0 | — | 0.02% | — | -500,000 | -100.0% | Q2 2026 | Aug 14, 2026 |
| JANE STREET GROUP, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -123,371 | -100.0% | Q2 2026 | Aug 14, 2026 |
| SILVERARC CAPITAL MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.13% | — | -100,000 | -100.0% | Q2 2026 | Aug 13, 2026 |
| D. E. Shaw & Co., Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -95,000 | -100.0% | Q2 2026 | Aug 14, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -79,489 | -100.0% | Q2 2026 | Aug 14, 2026 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -58,762 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Qube Research & Technologies Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -50,221 | -100.0% | Q2 2026 | Aug 14, 2026 |
| TUDOR INVESTMENT CORP ET AL | History | Closed out | 0 | 0 | — | 0.0% | — | -23,833 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Y-Intercept (Hong Kong) Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -18,362 | -100.0% | Q2 2026 | Jul 13, 2026 |
| Hudson Bay Capital Management LP | History | Closed out | 0 | 0 | — | 0.0% | — | -16,678 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Brevan Howard Capital Management LP | History | Closed out | 0 | 0 | — | 0.0% | — | -12,571 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Diametric Capital, LP | History | Closed out | 0 | 0 | — | 0.03% | — | -10,497 | -100.0% | Q2 2026 | Aug 14, 2026 |
| FNY Investment Advisers, LLC | History | Closed out | 0 | 0 | — | 0.02% | — | -3,000 | -100.0% | Q2 2026 | Jul 08, 2026 |
| HOLLENCREST CAPITAL MANAGEMENT | History | New | 5 | 0 | — | — | — | +5 | New | Q2 2026 | Aug 13, 2026 |
| Caitong International Asset Management Co., Ltd | History | New | 1 | 0 | — | — | — | +1 | New | Q2 2026 | Aug 04, 2026 |