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, Q1 2022
Institutional positions in Assembly Biosciences, Inc. as of Mar 31, 2022. 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
- 54
- −8 vs. Q4 2021
- Shares held
- 19.1M
- −4.02M (−17.4%) vs. Q4 2021
- Total value
- $39.3M
- −$14.5M (−27.0%) vs. Q4 2021
- New holders
- 9
- 13 more added
- Sold out
- 17
- 19 more reduced
Compare with Q4 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 | $381.5M |
| Q4 2025 | 69 | $466.7M |
| Q3 2025 | 57 | $324.9M |
| Q2 2025 | 33 | $57.1M |
| Q1 2025 | 37 | $30.4M |
| Q4 2024 | 35 | $50.3M |
| Q3 2024 | 30 | $15.6M |
| Q2 2024 | 27 | $16.1M |
| Q1 2024 | 24 | $8.68M |
| Q4 2023 | 45 | $7.12M |
| Q3 2023 | 32 | $8.62M |
| Q2 2023 | 32 | $12.0M |
| Q1 2023 | 38 | $11.1M |
| Q4 2022 | 40 | $18.4M |
| Q3 2022 | 50 | $27.2M |
| Q2 2022 | 54 | $36.1M |
| Q1 2022 | 54 | $39.3M |
| Q4 2021 | 62 | $54.3M |
| Q3 2021 | 65 | $79.0M |
| Q2 2021 | 91 | $105.1M |
| Q1 2021 | 107 | $133.6M |
Institutions, Q1 2022
Shares, value and share of portfolio for each institution holding Assembly Biosciences, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Deep Track Capital, LP | 3,000,000 | $6.18M | 0.40% | 00.0% | Unchanged |
| Satter Management Co., L.P. | 2,227,500 | $4.59M | 7.77% | 00.0% | Unchanged |
| Armistice Capital, LLC | 2,000,000 | $4.12M | 0.12% | 00.0% | Unchanged |
| Platinum Investment Management Ltd | 1,909,498 | $3.93M | 0.12% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,628,318 | $3.35M | 0.00% | −576,735−26.2% | Reduced |
| Millennium Management LLC | 1,365,023 | $2.81M | 0.00% | +1,031,087+308.8% | Added |
| BlackRock Inc. | 1,163,520 | $2.40M | 0.00% | −23,599−2.0% | Reduced |
| Hudson Bay Capital Management LP | 1,075,000 | $2.21M | 0.03% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 927,402 | $1.91M | 0.01% | −681,358−42.4% | Reduced |
| Dimensional Fund Advisors LP | 381,060 | $785.0K | 0.00% | −172,368−31.1% | Reduced |
| Federated Hermes, Inc. | 381,299 | $785.0K | 0.00% | −163,187−30.0% | Reduced |
| Geode Capital Management, LLC | 378,261 | $779.0K | 0.00% | −137,103−26.6% | Reduced |
| Eversept Partners, LP | 280,000 | $576.8K | 0.05% | −30,000−9.7% | Reduced |
| Ikarian Capital, LLC | 227,076 | $468.0K | 0.14% | +12,215+5.7% | Added |
| Bridgeway Capital Management, LLC | 174,000 | $358.0K | 0.01% | +147,700+561.6% | Added |
| Two Sigma Advisers, LP | 168,300 | $347.0K | 0.00% | −255,000−60.2% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 164,950 | $340.0K | 0.00% | −5,266−3.1% | Reduced |
| Barclays PLC | 161,957 | $333.0K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 145,335 | $299.0K | 0.00% | +19,712+15.7% | Added |
| FMR LLC | 136,337 | $281.0K | 0.00% | +135,087+10,807.0% | Added |
| Renaissance Technologies LLC | 135,900 | $280.0K | 0.00% | −535,123−79.7% | Reduced |
| Gsa Capital Partners LLP | 135,834 | $280.0K | 0.04% | +135,834 | New |
| Goldman Sachs Group Inc | 123,772 | $255.0K | 0.00% | +68,411+123.6% | Added |
| Northern Trust Corp | 92,702 | $191.0K | 0.00% | −9,869−9.6% | Reduced |
| Morgan Stanley | 65,740 | $135.0K | 0.00% | −413−0.6% | Reduced |
| Marquette Asset Management, LLC | 58,246 | $120.0K | 0.03% | +10,246+21.3% | Added |
| Franklin Resources Inc | 56,000 | $115.0K | 0.00% | −528,688−90.4% | Reduced |
| Charles Schwab Investment Management Inc | 51,368 | $106.0K | 0.00% | +51,368 | New |
| Assenagon Asset Management S.A. | 44,987 | $93.0K | 0.00% | +44,987 | New |
| Susquehanna International Group, LLP | 43,573 | $90.0K | 0.00% | −13,426−23.6% | Reduced |
| Crestline Management, LP | 43,062 | $89.0K | 0.01% | +43,062 | New |
| Algert Global LLC | 37,010 | $76.0K | 0.00% | +37,010 | New |
| Bank of America Corp | 31,561 | $65.0K | 0.00% | +23,654+299.2% | Added |
| HRT Financial LP | 29,208 | $60.0K | 0.00% | +29,208 | New |
| GAM Holding AG | 24,100 | $50.0K | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 21,408 | $44.0K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 20,525 | $42.0K | 0.00% | −5,095−19.9% | Reduced |
| Commonwealth Equity Services, LLC | 19,749 | $40.0K | 0.00% | −200−1.0% | Reduced |
| HSBC Holdings PLC | 18,645 | $38.0K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 15,866 | $33.0K | 0.00% | 00.0% | Unchanged |
| RBF Capital, LLC | 14,741 | $30.0K | 0.00% | 00.0% | Unchanged |
| ETF Managers Group, LLC | 14,518 | $30.0K | 0.00% | +49+0.3% | Added |
| JPMorgan Chase & Co | 14,789 | $30.0K | 0.00% | +14,695+15,633.0% | Added |
| Tower Research Capital LLC (TRC) | 13,110 | $27.0K | 0.00% | +12,098+1,195.5% | Added |
| Jane Street Group, LLC | 12,987 | $27.0K | 0.00% | +12,987 | New |
| Ameriprise Financial Inc | 10,145 | $21.0K | 0.00% | −2,040−16.7% | Reduced |
| Bridgefront Capital, LLC | 10,137 | $21.0K | 0.03% | 00.0% | Unchanged |
| Krensavage Asset Management, LLC | 10,100 | $21.0K | 0.01% | +10,100 | New |
| Running Point Capital Advisors, LLC | 10,000 | $21.0K | 0.01% | +10,000 | New |
| UBS Group AG | 3,748 | $8.00K | 0.00% | −2,574−40.7% | Reduced |
| Wells Fargo & Company | 262 | $1.00K | 0.00% | +1+0.4% | Added |
| Advisor Group Holdings, Inc. | 518 | $1.00K | 0.00% | +500+2,777.8% | Added |
| BNP Paribas Arbitrage, SA | 70 | $144 | 0.00% | −854−92.4% | Reduced |
| Cutler Group LP | 200 | $0 | 0.00% | 00.0% | Unchanged |
| Candriam Luxembourg S.C.A. | 0 | $0 | 0.00% | −1,838,221−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −190,291−100.0% | Sold out |
| Anson Funds Management LP | 0 | $0 | 0.00% | −179,192−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −123,748−100.0% | Sold out |
| IndexIQ Advisors LLC | 0 | $0 | 0.00% | −91,806−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −75,369−100.0% | Sold out |
| Invesco Ltd. | 0 | $0 | 0.00% | −44,677−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −35,639−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −35,654−100.0% | Sold out |
| Valeo Financial Advisors, LLC | 0 | $0 | 0.00% | −25,500−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −24,425−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −22,554−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −20,300−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −13,339−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −2,897−100.0% | Sold out |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −912−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −29−100.0% | Sold out |