Assembly Biosciences, Inc.
ASMB- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001426800
No open-market purchases or sales by Assembly Biosciences, Inc. insiders were filed in the last 90 days; 92 institutions reported holding it in 13F filings for Q2 2026, worth $514.8M in total; no superinvestor holds it.
13F holders, Q4 2021
Institutional positions in Assembly Biosciences, Inc. as of Dec 31, 2021. 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
- 62
- −3 vs. Q3 2021
- Shares held
- 23.1M
- +389.7K (+1.7%) vs. Q3 2021
- Total value
- $53.8M
- −$25.2M (−31.9%) vs. Q3 2021
- New holders
- 9
- 21 more added
- Sold out
- 12
- 19 more reduced
Compare with Q3 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ASMB 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 | 92 | $514.8M |
| Q1 2026 | 75 | $376.4M |
| Q4 2025 | 69 | $466.7M |
| Q3 2025 | 57 | $324.9M |
| Q2 2025 | 33 | $57.0M |
| Q1 2025 | 37 | $30.4M |
| Q4 2024 | 35 | $50.3M |
| Q3 2024 | 30 | $15.5M |
| Q2 2024 | 27 | $16.1M |
| Q1 2024 | 24 | $8.61M |
| Q4 2023 | 45 | $7.09M |
| Q3 2023 | 32 | $8.44M |
| Q2 2023 | 32 | $12.0M |
| Q1 2023 | 38 | $10.1M |
| Q4 2022 | 40 | $18.4M |
| Q3 2022 | 50 | $27.2M |
| Q2 2022 | 54 | $36.1M |
| Q1 2022 | 54 | $39.3M |
| Q4 2021 | 62 | $53.8M |
| Q3 2021 | 65 | $79.0M |
| Q2 2021 | 91 | $105.1M |
| Q1 2021 | 107 | $133.6M |
Institutions, Q4 2021
Shares, value and share of portfolio for each institution holding Assembly Biosciences, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 94 | $0 | 0.00% | −2,871−96.8% | Reduced |
| Cutler Group LP | 200 | $0 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 18 | $0 | 0.00% | −1−5.3% | Reduced |
| Royal Bank of Canada | 29 | $0 | 0.00% | +29 | New |
| Wells Fargo & Company | 261 | $1.00K | 0.00% | +135+107.1% | Added |
| Tower Research Capital LLC (TRC) | 1,012 | $2.00K | 0.00% | −21,839−95.6% | Reduced |
| Macquarie Group Ltd | 912 | $2.00K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 924 | $2.15K | 0.00% | +885+2,269.2% | Added |
| FMR LLC | 1,250 | $3.00K | 0.00% | +750+150.0% | Added |
| Simplex Trading, LLC | 2,897 | $6.00K | 0.00% | −14,695−83.5% | Reduced |
| UBS Group AG | 6,322 | $15.0K | 0.00% | −137,311−95.6% | Reduced |
| Bank of America Corp | 7,907 | $18.0K | 0.00% | −27,026−77.4% | Reduced |
| Bridgefront Capital, LLC | 10,137 | $24.0K | 0.02% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 12,185 | $28.0K | 0.00% | −2,440−16.7% | Reduced |
| Squarepoint Ops LLC | 13,339 | $31.0K | 0.00% | +13,339 | New |
| ETF Managers Group, LLC | 14,469 | $33.0K | 0.00% | −1,952−11.9% | Reduced |
| RBF Capital, LLC | 14,741 | $34.0K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 15,866 | $37.0K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 18,645 | $44.0K | 0.00% | +18,645 | New |
| Commonwealth Equity Services, LLC | 19,949 | $46.0K | 0.00% | −350−1.7% | Reduced |
| Jump Financial, LLC | 20,300 | $47.0K | 0.00% | +20,300 | New |
| Boothbay Fund Management, LLC | 21,408 | $50.0K | 0.00% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 22,554 | $53.0K | 0.00% | +3,134+16.1% | Added |
| GAM Holding AG | 24,100 | $56.0K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 24,425 | $57.0K | 0.03% | +24,425 | New |
| Valeo Financial Advisors, LLC | 25,500 | $59.0K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 25,620 | $60.0K | 0.00% | −820,704−97.0% | Reduced |
| Bridgeway Capital Management, LLC | 26,300 | $61.0K | 0.00% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 35,654 | $83.0K | 0.00% | +16,800+89.1% | Added |
| Virtu Financial LLC | 35,639 | $83.0K | 0.01% | +35,639 | New |
| Invesco Ltd. | 44,677 | $104.0K | 0.00% | −4,759−9.6% | Reduced |
| Marquette Asset Management, LLC | 48,000 | $112.0K | 0.02% | +20,359+73.7% | Added |
| Goldman Sachs Group Inc | 55,361 | $129.0K | 0.00% | −76,006−57.9% | Reduced |
| Susquehanna International Group, LLP | 56,999 | $133.0K | 0.00% | +21,106+58.8% | Added |
| Morgan Stanley | 66,153 | $155.0K | 0.00% | +9,164+16.1% | Added |
| Walleye Capital LLC | 75,369 | $176.0K | 0.01% | +4,194+5.9% | Added |
| IndexIQ Advisors LLC | 91,806 | $214.0K | 0.01% | −5,933−6.1% | Reduced |
| Northern Trust Corp | 102,571 | $239.0K | 0.00% | −4,105−3.8% | Reduced |
| Russell Investments Group, Ltd. | 123,748 | $288.0K | 0.00% | +36,112+41.2% | Added |
| State Street Corp | 125,623 | $293.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 161,957 | $378.0K | 0.00% | −51,023−24.0% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 170,216 | $397.0K | 0.00% | +13,801+8.8% | Added |
| Anson Funds Management LP | 179,192 | $418.0K | 0.06% | +179,192 | New |
| Two Sigma Investments, LP | 190,291 | $443.0K | 0.00% | +190,291 | New |
| Ikarian Capital, LLC | 214,861 | $501.0K | 0.14% | 00.0% | Unchanged |
| Eversept Partners, LP | 310,000 | $722.3K | 0.06% | −40,000−11.4% | Reduced |
| Millennium Management LLC | 333,936 | $778.0K | 0.00% | +48,508+17.0% | Added |
| Two Sigma Advisers, LP | 423,300 | $986.0K | 0.00% | +74,600+21.4% | Added |
| Geode Capital Management, LLC | 515,364 | $1.20M | 0.00% | −9,899−1.9% | Reduced |
| Federated Hermes, Inc. | 544,486 | $1.27M | 0.00% | +2,085+0.4% | Added |
| Dimensional Fund Advisors LP | 553,428 | $1.29M | 0.00% | +194,113+54.0% | Added |
| Franklin Resources Inc | 584,688 | $1.36M | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 671,023 | $1.56M | 0.00% | +540,423+413.8% | Added |
| Hudson Bay Capital Management LP | 1,075,000 | $2.50M | 0.03% | +225,000+26.5% | Added |
| BlackRock Inc. | 1,187,119 | $2.77M | 0.00% | −782,858−39.7% | Reduced |
| Acadian Asset Management LLC | 1,608,760 | $3.75M | 0.01% | +196,033+13.9% | Added |
| Candriam Luxembourg S.C.A. | 1,838,221 | $4.28M | 0.03% | +369,375+25.1% | Added |
| Platinum Investment Management Ltd | 1,909,498 | $4.45M | 0.12% | +256,489+15.5% | Added |
| Armistice Capital, LLC | 2,000,000 | $4.66M | 0.11% | −208,000−9.4% | Reduced |
| Vanguard Group Inc | 2,205,053 | $5.14M | 0.00% | +301,320+15.8% | Added |
| Satter Management Co., L.P. | 2,227,500 | $5.19M | 5.28% | 00.0% | Unchanged |
| Deep Track Capital, LP | 3,000,000 | $6.99M | 0.52% | +3,000,000 | New |
| Boxer Capital, LLC | 0 | $0 | 0.00% | −1,500,000−100.0% | Sold out |
| Soleus Capital Management, L.P. | 0 | $0 | 0.00% | −1,122,000−100.0% | Sold out |
| Prosight Management, LP | 0 | $0 | 0.00% | −265,634−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −200,553−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −67,700−100.0% | Sold out |
| New York Life Investments Alternatives | 0 | $0 | 0.00% | −20,909−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −17,656−100.0% | Sold out |
| Diversified Trust Co | 0 | $0 | 0.00% | −16,198−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −2,299−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −1,030−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −695−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −72−100.0% | Sold out |