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, Q2 2022
Institutional positions in Assembly Biosciences, Inc. as of Jun 30, 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
- 0 vs. Q1 2022
- Shares held
- 17.2M
- −1.89M (−9.9%) vs. Q1 2022
- Total value
- $36.1M
- −$3.20M (−8.2%) vs. Q1 2022
- New holders
- 6
- 12 more added
- Sold out
- 6
- 22 more reduced
Compare with Q1 2022: 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, Q2 2022
Shares, value and share of portfolio for each institution holding Assembly Biosciences, Inc.; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cutler Group LP | 200 | $0 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 41 | $86 | 0.00% | −29−41.4% | Reduced |
| UBS Group AG | 610 | $1.00K | 0.00% | −3,138−83.7% | Reduced |
| Wells Fargo & Company | 287 | $1.00K | 0.00% | +25+9.5% | Added |
| Advisor Group Holdings, Inc. | 518 | $1.00K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 5,686 | $11.0K | 0.00% | +5,686 | New |
| JPMorgan Chase & Co | 6,318 | $13.0K | 0.00% | −8,471−57.3% | Reduced |
| Tower Research Capital LLC (TRC) | 8,158 | $17.0K | 0.00% | −4,952−37.8% | Reduced |
| Ameriprise Financial Inc | 10,145 | $21.0K | 0.00% | 00.0% | Unchanged |
| Krensavage Asset Management, LLC | 9,985 | $21.0K | 0.01% | −115−1.1% | Reduced |
| Running Point Capital Advisors, LLC | 10,000 | $21.0K | 0.01% | 00.0% | Unchanged |
| XTX Topco Ltd | 13,207 | $28.0K | 0.01% | +13,207 | New |
| HSBC Holdings PLC | 14,489 | $31.0K | 0.00% | −4,156−22.3% | Reduced |
| RBF Capital, LLC | 14,741 | $31.0K | 0.00% | 00.0% | Unchanged |
| ETF Managers Group, LLC | 15,233 | $32.0K | 0.00% | +715+4.9% | Added |
| Bank of New York Mellon Corp | 15,866 | $33.0K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 15,959 | $34.0K | 0.00% | −27,614−63.4% | Reduced |
| Prudential Financial Inc | 16,980 | $36.0K | 0.00% | +16,980 | New |
| Engineers Gate Manager LP | 19,134 | $40.0K | 0.00% | +19,134 | New |
| HRT Financial LP | 21,030 | $44.0K | 0.00% | −8,178−28.0% | Reduced |
| GAM Holding AG | 24,100 | $51.0K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 25,749 | $54.0K | 0.00% | +6,000+30.4% | Added |
| Cubist Systematic Strategies, LLC | 28,961 | $61.0K | 0.00% | +28,961 | New |
| Jane Street Group, LLC | 30,452 | $64.0K | 0.00% | +17,465+134.5% | Added |
| Bank of America Corp | 30,790 | $65.0K | 0.00% | −771−2.4% | Reduced |
| Charles Schwab Investment Management Inc | 32,452 | $69.0K | 0.00% | −18,916−36.8% | Reduced |
| Franklin Resources Inc | 37,745 | $79.0K | 0.00% | −18,255−32.6% | Reduced |
| Algert Global LLC | 41,890 | $88.0K | 0.01% | +4,880+13.2% | Added |
| Crestline Management, LP | 42,513 | $89.0K | 0.01% | −549−1.3% | Reduced |
| Marquette Asset Management, LLC | 58,246 | $122.0K | 0.03% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 62,438 | $131.0K | 0.00% | +62,438 | New |
| Morgan Stanley | 68,264 | $143.0K | 0.00% | +2,524+3.8% | Added |
| Goldman Sachs Group Inc | 76,767 | $161.0K | 0.00% | −47,005−38.0% | Reduced |
| Northern Trust Corp | 89,130 | $187.0K | 0.00% | −3,572−3.9% | Reduced |
| Two Sigma Advisers, LP | 96,700 | $203.0K | 0.00% | −71,600−42.5% | Reduced |
| FMR LLC | 136,337 | $286.0K | 0.00% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 142,915 | $300.0K | 0.00% | −22,035−13.4% | Reduced |
| State Street Corp | 145,335 | $305.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 160,826 | $337.0K | 0.00% | −1,131−0.7% | Reduced |
| Citadel Advisors LLC | 166,966 | $351.0K | 0.00% | +146,441+713.5% | Added |
| Bridgeway Capital Management, LLC | 174,000 | $365.0K | 0.01% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 227,300 | $477.0K | 0.00% | +91,400+67.3% | Added |
| Dimensional Fund Advisors LP | 354,929 | $745.0K | 0.00% | −26,131−6.9% | Reduced |
| Federated Hermes, Inc. | 373,665 | $785.0K | 0.00% | −7,634−2.0% | Reduced |
| Geode Capital Management, LLC | 394,584 | $828.0K | 0.00% | +16,323+4.3% | Added |
| Acadian Asset Management LLC | 559,756 | $1.18M | 0.01% | −367,646−39.6% | Reduced |
| Assenagon Asset Management S.A. | 684,846 | $1.44M | 0.01% | +639,859+1,422.3% | Added |
| Hudson Bay Capital Management LP | 1,075,000 | $2.26M | 0.02% | 00.0% | Unchanged |
| BlackRock Inc. | 1,156,609 | $2.43M | 0.00% | −6,911−0.6% | Reduced |
| Millennium Management LLC | 1,418,180 | $2.98M | 0.00% | +53,157+3.9% | Added |
| Platinum Investment Management Ltd | 1,591,272 | $3.34M | 0.13% | −318,226−16.7% | Reduced |
| Satter Management Co., L.P. | 2,227,500 | $4.68M | 8.68% | 00.0% | Unchanged |
| Vanguard Group Inc | 2,255,424 | $4.74M | 0.00% | +627,106+38.5% | Added |
| Deep Track Capital, LP | 3,000,000 | $6.30M | 0.44% | 00.0% | Unchanged |
| Armistice Capital, LLC | 0 | $0 | 0.00% | −2,000,000−100.0% | Sold out |
| Eversept Partners, LP | 0 | $0 | 0.00% | −280,000−100.0% | Sold out |
| Ikarian Capital, LLC | 0 | $0 | 0.00% | −227,076−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −135,834−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −21,408−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −10,137−100.0% | Sold out |