Generate Biomedicines, Inc. - GENB

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q2 2026 · Compare: Q1 2026
13D/13G major owners: Ownership tab.
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