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 | $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, 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 |
|---|---|---|---|---|---|
| Deep Track Capital, LP | 3,000,000 | $6.30M | 0.44% | 00.0% | Unchanged |
| Vanguard Group Inc | 2,255,424 | $4.74M | 0.00% | +627,106+38.5% | Added |
| Satter Management Co., L.P. | 2,227,500 | $4.68M | 8.68% | 00.0% | Unchanged |
| Platinum Investment Management Ltd | 1,591,272 | $3.34M | 0.13% | −318,226−16.7% | Reduced |
| Millennium Management LLC | 1,418,180 | $2.98M | 0.00% | +53,157+3.9% | Added |
| BlackRock Inc. | 1,156,609 | $2.43M | 0.00% | −6,911−0.6% | Reduced |
| Hudson Bay Capital Management LP | 1,075,000 | $2.26M | 0.02% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 684,846 | $1.44M | 0.01% | +639,859+1,422.3% | Added |
| Acadian Asset Management LLC | 559,756 | $1.18M | 0.01% | −367,646−39.6% | Reduced |
| Geode Capital Management, LLC | 394,584 | $828.0K | 0.00% | +16,323+4.3% | Added |
| Federated Hermes, Inc. | 373,665 | $785.0K | 0.00% | −7,634−2.0% | Reduced |
| Dimensional Fund Advisors LP | 354,929 | $745.0K | 0.00% | −26,131−6.9% | Reduced |
| Renaissance Technologies LLC | 227,300 | $477.0K | 0.00% | +91,400+67.3% | Added |
| Bridgeway Capital Management, LLC | 174,000 | $365.0K | 0.01% | 00.0% | Unchanged |
| Citadel Advisors LLC | 166,966 | $351.0K | 0.00% | +146,441+713.5% | Added |
| Barclays PLC | 160,826 | $337.0K | 0.00% | −1,131−0.7% | Reduced |
| State Street Corp | 145,335 | $305.0K | 0.00% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 142,915 | $300.0K | 0.00% | −22,035−13.4% | Reduced |
| FMR LLC | 136,337 | $286.0K | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 96,700 | $203.0K | 0.00% | −71,600−42.5% | Reduced |
| Northern Trust Corp | 89,130 | $187.0K | 0.00% | −3,572−3.9% | Reduced |
| Goldman Sachs Group Inc | 76,767 | $161.0K | 0.00% | −47,005−38.0% | Reduced |
| Morgan Stanley | 68,264 | $143.0K | 0.00% | +2,524+3.8% | Added |
| Two Sigma Investments, LP | 62,438 | $131.0K | 0.00% | +62,438 | New |
| Marquette Asset Management, LLC | 58,246 | $122.0K | 0.03% | 00.0% | Unchanged |
| Crestline Management, LP | 42,513 | $89.0K | 0.01% | −549−1.3% | Reduced |
| Algert Global LLC | 41,890 | $88.0K | 0.01% | +4,880+13.2% | Added |
| Franklin Resources Inc | 37,745 | $79.0K | 0.00% | −18,255−32.6% | Reduced |
| Charles Schwab Investment Management Inc | 32,452 | $69.0K | 0.00% | −18,916−36.8% | Reduced |
| Bank of America Corp | 30,790 | $65.0K | 0.00% | −771−2.4% | Reduced |
| Jane Street Group, LLC | 30,452 | $64.0K | 0.00% | +17,465+134.5% | Added |
| Cubist Systematic Strategies, LLC | 28,961 | $61.0K | 0.00% | +28,961 | New |
| Commonwealth Equity Services, LLC | 25,749 | $54.0K | 0.00% | +6,000+30.4% | Added |
| GAM Holding AG | 24,100 | $51.0K | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 21,030 | $44.0K | 0.00% | −8,178−28.0% | Reduced |
| Engineers Gate Manager LP | 19,134 | $40.0K | 0.00% | +19,134 | New |
| Prudential Financial Inc | 16,980 | $36.0K | 0.00% | +16,980 | New |
| Susquehanna International Group, LLP | 15,959 | $34.0K | 0.00% | −27,614−63.4% | Reduced |
| Bank of New York Mellon Corp | 15,866 | $33.0K | 0.00% | 00.0% | Unchanged |
| ETF Managers Group, LLC | 15,233 | $32.0K | 0.00% | +715+4.9% | Added |
| 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 |
| XTX Topco Ltd | 13,207 | $28.0K | 0.01% | +13,207 | New |
| 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 |
| Tower Research Capital LLC (TRC) | 8,158 | $17.0K | 0.00% | −4,952−37.8% | Reduced |
| JPMorgan Chase & Co | 6,318 | $13.0K | 0.00% | −8,471−57.3% | Reduced |
| Simplex Trading, LLC | 5,686 | $11.0K | 0.00% | +5,686 | New |
| 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 |
| BNP Paribas Arbitrage, SA | 41 | $86 | 0.00% | −29−41.4% | Reduced |
| Cutler Group LP | 200 | $0 | 0.00% | 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 |