ASSEMBLY BIOSCIENCES, INC. - ASMB

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
GILEAD SCIENCES, INC. History Added to 4,977,089 136,770 8.3% 5.9% 1 +471,698 10.47% Q2 2026 Aug 03, 2026
FARALLON CAPITAL MANAGEMENT, L.L.C. History Added to 1,604,590 44,094 0.2% 0.19% 2 +377,000 30.71% Q2 2026 Aug 14, 2026
Paradigm Biocapital Advisors LP History Added to 1,553,748 42,696 0.8% 0.38% 3 +888,497 133.56% Q2 2026 Aug 14, 2026
Commodore Capital LP History Added to 1,415,000 38,884 2.32% 1.61% 4 +415,000 41.5% Q2 2026 Aug 14, 2026
RA CAPITAL MANAGEMENT, L.P. History No change 1,020,410 28,040 0.24% 0.3% 5 0 0.0% Q2 2026 Aug 14, 2026
JANUS HENDERSON GROUP PLC History No change 849,309 23,479 0.01% 0.01% 6 0 0.0% Q1 2026 May 18, 2026
Jupiter Topco LLC History New 849,309 23,368 0.01% 7 +849,309 New Q2 2026 Aug 14, 2026
BlackRock, Inc. History Added to 766,819 21,072 0.0% 0.0% 8 +564,076 278.22% Q2 2026 Aug 07, 2026
Parkman Healthcare Partners LLC History Added to 721,181 19,818 2.03% 1.18% 9 +309,954 75.37% Q2 2026 Aug 14, 2026
VANGUARD CAPITAL MANAGEMENT LLC History Added to 558,942 15,359 0.0% 0.0% 10 +68,495 13.97% Q2 2026 Aug 13, 2026
Point72 Asset Management, L.P. History Added to 460,593 12,657 0.01% 0.01% 11 +116,488 33.85% Q2 2026 Aug 14, 2026
Seven Fleet Capital Management LP History Added to 433,147 11,902 1.96% 0.49% 12 +377,000 671.45% Q2 2026 Aug 14, 2026
MILLENNIUM MANAGEMENT LLC History Added to 298,807 8,211 0.0% 0.0% 13 +65,157 27.89% Q2 2026 Aug 14, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 280,424 7,707 0.0% 0.0% 14 +147,453 110.89% Q2 2026 Aug 12, 2026
Schonfeld Strategic Advisors LLC History Added to 242,153 6,654 0.02% 0.02% 15 +121,653 100.96% Q2 2026 Aug 14, 2026
AMERIPRISE FINANCIAL INC History New 230,000 6,320 0.0% 16 +230,000 New Q2 2026 Aug 14, 2026
DV EQUITIES, LLC History New 226,415 6,221 0.89% 17 +226,415 New Q2 2026 Aug 14, 2026
Aberdeen Group plc History New 207,047 5,689 0.01% 18 +207,047 New Q2 2026 Jul 31, 2026
Affinity Asset Advisors, LLC History New 190,000 5,221 0.24% 19 +190,000 New Q2 2026 Aug 13, 2026
B Group, Inc. History No change 175,706 4,828 2.27% 3.61% 20 0 0.0% Q2 2026 Aug 14, 2026
STATE STREET CORP History Added to 171,931 4,724 0.0% 0.0% 21 +115,242 203.29% Q2 2026 Aug 07, 2026
STEMPOINT CAPITAL LP History Reduced 170,378 4,681 0.81% 1.0% 22 -15,057 -8.12% Q2 2026 Aug 14, 2026
Squadron Capital Management LLC History New 160,000 4,396 1.36% 23 +160,000 New Q2 2026 Aug 14, 2026
Woodline Partners LP History New 150,780 4,143 0.01% 24 +150,780 New Q2 2026 Aug 14, 2026
DRIEHAUS CAPITAL MANAGEMENT LLC History New 150,000 4,122 0.02% 25 +150,000 New Q2 2026 Aug 14, 2026
Ally Bridge Group (NY) LLC History New 140,000 3,847 3.4% 26 +140,000 New Q2 2026 Aug 14, 2026
GOLDMAN SACHS GROUP INC History Added to 137,833 3,787 0.0% 0.0% 27 +101,628 280.7% Q2 2026 Aug 14, 2026
NORTHERN TRUST CORP History Added to 123,029 3,380 0.0% 0.0% 28 +82,015 199.97% Q2 2026 Aug 13, 2026
CITADEL ADVISORS LLC History Added to 114,407 3,143 0.0% 0.0% 29 +88,970 349.77% Q2 2026 Sep 02, 2026
FRANKLIN RESOURCES INC History New 113,200 3,110 0.0% 30 +113,200 New Q2 2026 Aug 13, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History Added to 91,153 2,504 0.0% 0.0% 31 +73,430 414.32% Q2 2026 Aug 13, 2026
VANGUARD FIDUCIARY TRUST CO History Added to 73,970 2,032 0.0% 0.0% 32 +2,364 3.3% Q2 2026 Aug 13, 2026
HighVista Strategies LLC History Reduced 73,405 2,017 0.46% 0.57% 33 -1,330 -1.78% Q2 2026 Aug 14, 2026
Qube Research & Technologies Ltd History Reduced 51,488 1,414 0.0% 0.0% 34 -17,768 -25.66% Q2 2026 Aug 14, 2026
MONIMUS CAPITAL MANAGEMENT, LP History Reduced 47,580 1,307 0.3% 0.37% 35 -810 -1.67% Q2 2026 Aug 14, 2026
Trexquant Investment LP History Added to 45,661 1,254 0.01% 0.0% 36 +22,920 100.79% Q2 2026 Aug 14, 2026
JPMORGAN CHASE & CO History Reduced 46,385 1,250 0.0% 0.0% 37 -7,577 -14.04% Q2 2026 Aug 12, 2026
MORGAN STANLEY History Added to 45,219 1,242 0.0% 0.0% 38 +12,164 36.8% Q2 2026 Aug 13, 2026
GSA CAPITAL PARTNERS LLP History Reduced 42,931 1,180 0.07% 0.08% 39 -2,118 -4.7% Q2 2026 Aug 06, 2026
XTX Topco Ltd History Added to 42,918 1,179 0.02% 0.01% 40 +32,133 297.94% Q2 2026 Aug 14, 2026
UBS Group AG History Added to 41,806 1,148 0.0% 0.0% 41 +41,442 11385.16% Q2 2026 Aug 13, 2026
RENAISSANCE TECHNOLOGIES LLC History Added to 39,441 1,083 0.0% 0.0% 42 +23,790 152.0% Q2 2026 Aug 13, 2026
Squarepoint Ops LLC History Added to 34,214 940 0.0% 0.0% 43 +10,410 43.73% Q2 2026 Aug 14, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History New 29,128 800 0.0% 44 +29,128 New Q2 2026 Aug 14, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Reduced 27,000 741 0.0% 0.0% 45 -5,949 -18.06% Q2 2026 Aug 14, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 24,203 665 0.0% 0.0% 46 +24,054 16143.62% Q2 2026 Aug 13, 2026
Bank of New York Mellon Corp History New 24,015 659 0.0% 47 +24,015 New Q2 2026 Aug 06, 2026
Connor, Clark & Lunn Investment Management Ltd. History Added to 23,765 653 0.0% 0.0% 48 +2,004 9.21% Q2 2026 Aug 12, 2026
Caption Management, LLC History Reduced 22,829 627 0.0% 0.01% 49 -59,012 -72.11% Q2 2026 Aug 14, 2026
ADAR1 Capital Management, LLC History Added to 20,447 561 0.03% 0.03% 50 +500 2.51% Q2 2026 Aug 14, 2026
Palumbo Wealth Management LLC History Added to 19,865 545 0.11% 0.13% 51 +222 1.13% Q2 2026 Aug 12, 2026
TWO SIGMA INVESTMENTS, LP History Reduced 17,858 490 0.0% 0.0% 52 -2,692 -13.1% Q2 2026 Aug 14, 2026
Engineers Gate Manager LP History Added to 17,766 488 0.01% 0.0% 53 +8,343 88.54% Q2 2026 Aug 14, 2026
MARSHALL WACE, LLP History Reduced 17,735 487 0.0% 0.0% 54 -145,665 -89.15% Q2 2026 Aug 13, 2026
Nuveen, LLC History New 16,875 463 0.0% 55 +16,875 New Q2 2026 Aug 11, 2026
Eversept Partners, LP History Reduced 16,510 453 0.02% 0.06% 56 -24,379 -59.62% Q2 2026 Aug 14, 2026
Susquehanna Portfolio Strategies, LLC History Added to 15,129 415 0.01% 0.01% 57 +1,029 7.3% Q2 2026 Aug 14, 2026
Virtus Investment Advisers, LLC History Added to 14,251 391 0.09% 0.06% 58 +6,698 88.68% Q2 2026 Aug 11, 2026
AMERICAN CENTURY COMPANIES INC History Added to 13,239 363 0.0% 0.0% 59 +4,085 44.63% Q2 2026 Aug 12, 2026
Invesco Ltd. History New 11,864 326 0.0% 60 +11,864 New Q2 2026 Aug 14, 2026
RHUMBLINE ADVISERS History Added to 11,590 318 0.0% 0.0% 61 +11,400 6000.0% Q2 2026 Aug 11, 2026
Integrated Quantitative Investments LLC History New 10,078 276 0.05% 62 +10,078 New Q2 2026 Aug 14, 2026
DEUTSCHE BANK AG\ History New 9,615 264 0.0% 63 +9,615 New Q2 2026 Aug 07, 2026
BANK OF AMERICA CORP /DE/ History Reduced 9,567 262 0.0% 0.0% 64 -1,335 -12.25% Q2 2026 Aug 14, 2026
CANADA PENSION PLAN INVESTMENT BOARD History No change 8,500 233 0.0% 0.0% 65 0 0.0% Q2 2026 Aug 14, 2026
EntryPoint Capital, LLC History Reduced 8,285 227 0.06% 0.1% 66 -4,099 -33.1% Q2 2026 Aug 13, 2026
WELLS FARGO & COMPANY/MN History New 8,253 226 0.0% 67 +8,253 New Q2 2026 Aug 14, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History New 8,203 226 0.0% 68 +8,203 New Q2 2026 Aug 14, 2026
Brevan Howard Capital Management LP History Reduced 7,765 213 0.0% 0.0% 69 -3,347 -30.12% Q2 2026 Aug 14, 2026
Persistent Asset Partners Ltd History New 6,942 190 0.06% 70 +6,942 New Q2 2026 Aug 06, 2026
BARCLAYS PLC History Reduced 6,133 168 0.0% 0.0% 71 -20,917 -77.33% Q2 2026 Aug 14, 2026
MetLife Investment Management, LLC History New 5,885 161 0.0% 72 +5,885 New Q2 2026 Aug 13, 2026
Vanguard Global Advisers, LLC History No change 4,615 126 0.0% 0.0% 73 0 0.0% Q2 2026 Aug 13, 2026
CITIGROUP INC History Reduced 4,554 125 0.0% 0.0% 74 -1,929 -29.75% Q2 2026 Aug 03, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History New 4,519 124 0.0% 75 +4,519 New Q2 2026 Aug 14, 2026
NEW YORK STATE COMMON RETIREMENT FUND History New 4,200 115 0.0% 76 +4,200 New Q2 2026 Jul 29, 2026
Police & Firemen's Retirement System of New Jersey History New 2,907 79 0.0% 77 +2,907 New Q2 2026 Jul 23, 2026
Legal & General Group Plc History New 958 26 0.0% 78 +958 New Q2 2026 Aug 14, 2026
Ameritas Investment Partners, Inc. History New 895 24 0.0% 79 +895 New Q2 2026 Aug 13, 2026
Russell Investments Group, Ltd. History New 788 21 0.0% 80 +788 New Q2 2026 Aug 06, 2026
HSBC HOLDINGS PLC History New 16,935 17 0.0% 81 +16,935 New Q2 2026 Aug 14, 2026
Tower Research Capital LLC (TRC) History Reduced 530 14 0.0% 0.0% 82 -14 -2.57% Q2 2026 Aug 11, 2026
ROYAL BANK OF CANADA History Added to 440 12 0.0% 83 +424 2650.0% Q2 2026 Aug 14, 2026
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO History No change 260 7 0.0% 0.0% 84 0 0.0% Q2 2026 Aug 12, 2026
Sterling Capital Management LLC History New 199 5 0.0% 86 +199 New Q2 2026 Jul 28, 2026
Truvestments Capital LLC History New 193 5 0.0% 87 +193 New Q2 2026 Aug 12, 2026
Accent Capital Management, LLC History Added to 212 5 0.0% 0.0% 85 +70 49.3% Q2 2026 Aug 12, 2026
FMR LLC History New 178 4 0.0% 88 +178 New Q2 2026 Aug 13, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History New 136 3 0.0% 89 +136 New Q2 2026 Aug 24, 2026
Caitong International Asset Management Co., Ltd History New 75 2 0.0% 91 +75 New Q2 2026 Aug 04, 2026
Quarry LP History New 75 2 0.0% 92 +75 New Q2 2026 Aug 14, 2026
OSAIC HOLDINGS, INC. History No change 100 2 0.0% 0.0% 90 0 0.0% Q2 2026 Aug 14, 2026
EverSource Wealth Advisors, LLC History No change 55 1 0.0% 0.0% 93 0 0.0% Q2 2026 Jul 24, 2026
Blackstone Inc. History Closed out 0 0 0.03% -296,855 -100.0% Q2 2026 Aug 14, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C. History Closed out 0 0 0.01% -161,000 -100.0% Q2 2026 Aug 14, 2026
Patient Square Capital LP History Closed out 0 0 0.67% -136,315 -100.0% Q2 2026 Aug 12, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP History Closed out 0 0 0.0% -39,446 -100.0% Q2 2026 Aug 13, 2026
JANE STREET GROUP, LLC History Closed out 0 0 0.0% -34,499 -100.0% Q2 2026 Aug 14, 2026
683 Capital Management, LLC History Closed out 0 0 0.04% -27,863 -100.0% Q2 2026 Aug 14, 2026
WELLINGTON MANAGEMENT GROUP LLP History Closed out 0 0 0.0% -26,496 -100.0% Q2 2026 Aug 14, 2026
FEDERATED HERMES, INC. History Closed out 0 0 0.0% -18,904 -100.0% Q2 2026 Aug 12, 2026
Hudson Bay Capital Management LP History Closed out 0 0 0.0% -16,799 -100.0% Q2 2026 Aug 14, 2026
Jump Financial, LLC History Closed out 0 0 0.0% -10,917 -100.0% Q2 2026 Aug 13, 2026
OMERS ADMINISTRATION Corp History Closed out 0 0 0.0% -8,100 -100.0% Q2 2026 Aug 13, 2026
Aquatic Capital Management LLC History Closed out 0 0 0.0% -220 -100.0% Q2 2026 Aug 14, 2026
US BANCORP \DE\ History Closed out 0 0 0.0% -59 -100.0% Q2 2026 Aug 12, 2026
FIFTH THIRD BANCORP History Closed out 0 0 0.0% -57 -100.0% Q2 2026 Aug 05, 2026
Allworth Financial LP History Reduced 10 0 -19 -65.52% Q2 2026 Aug 11, 2026