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 | $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, 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 |
|---|---|---|---|---|---|
| Cutler Group LP | 200 | $0 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 70 | $144 | 0.00% | −854−92.4% | 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 |
| UBS Group AG | 3,748 | $8.00K | 0.00% | −2,574−40.7% | Reduced |
| 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 |
| 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 |
| 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 |
| Bank of New York Mellon Corp | 15,866 | $33.0K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 18,645 | $38.0K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 19,749 | $40.0K | 0.00% | −200−1.0% | Reduced |
| Citadel Advisors LLC | 20,525 | $42.0K | 0.00% | −5,095−19.9% | Reduced |
| Boothbay Fund Management, LLC | 21,408 | $44.0K | 0.00% | 00.0% | Unchanged |
| GAM Holding AG | 24,100 | $50.0K | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 29,208 | $60.0K | 0.00% | +29,208 | New |
| Bank of America Corp | 31,561 | $65.0K | 0.00% | +23,654+299.2% | Added |
| Algert Global LLC | 37,010 | $76.0K | 0.00% | +37,010 | New |
| Crestline Management, LP | 43,062 | $89.0K | 0.01% | +43,062 | New |
| Susquehanna International Group, LLP | 43,573 | $90.0K | 0.00% | −13,426−23.6% | Reduced |
| Assenagon Asset Management S.A. | 44,987 | $93.0K | 0.00% | +44,987 | New |
| Charles Schwab Investment Management Inc | 51,368 | $106.0K | 0.00% | +51,368 | New |
| Franklin Resources Inc | 56,000 | $115.0K | 0.00% | −528,688−90.4% | Reduced |
| Marquette Asset Management, LLC | 58,246 | $120.0K | 0.03% | +10,246+21.3% | Added |
| Morgan Stanley | 65,740 | $135.0K | 0.00% | −413−0.6% | Reduced |
| Northern Trust Corp | 92,702 | $191.0K | 0.00% | −9,869−9.6% | Reduced |
| Goldman Sachs Group Inc | 123,772 | $255.0K | 0.00% | +68,411+123.6% | 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 |
| FMR LLC | 136,337 | $281.0K | 0.00% | +135,087+10,807.0% | Added |
| State Street Corp | 145,335 | $299.0K | 0.00% | +19,712+15.7% | Added |
| Barclays PLC | 161,957 | $333.0K | 0.00% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 164,950 | $340.0K | 0.00% | −5,266−3.1% | Reduced |
| Two Sigma Advisers, LP | 168,300 | $347.0K | 0.00% | −255,000−60.2% | Reduced |
| Bridgeway Capital Management, LLC | 174,000 | $358.0K | 0.01% | +147,700+561.6% | Added |
| Ikarian Capital, LLC | 227,076 | $468.0K | 0.14% | +12,215+5.7% | Added |
| Eversept Partners, LP | 280,000 | $576.8K | 0.05% | −30,000−9.7% | Reduced |
| Geode Capital Management, LLC | 378,261 | $779.0K | 0.00% | −137,103−26.6% | 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 |
| Acadian Asset Management LLC | 927,402 | $1.91M | 0.01% | −681,358−42.4% | Reduced |
| Hudson Bay Capital Management LP | 1,075,000 | $2.21M | 0.03% | 00.0% | Unchanged |
| BlackRock Inc. | 1,163,520 | $2.40M | 0.00% | −23,599−2.0% | Reduced |
| Millennium Management LLC | 1,365,023 | $2.81M | 0.00% | +1,031,087+308.8% | Added |
| Vanguard Group Inc | 1,628,318 | $3.35M | 0.00% | −576,735−26.2% | Reduced |
| Platinum Investment Management Ltd | 1,909,498 | $3.93M | 0.12% | 00.0% | Unchanged |
| Armistice Capital, LLC | 2,000,000 | $4.12M | 0.12% | 00.0% | Unchanged |
| Satter Management Co., L.P. | 2,227,500 | $4.59M | 7.77% | 00.0% | Unchanged |
| Deep Track Capital, LP | 3,000,000 | $6.18M | 0.40% | 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 |