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 2022
Institutional positions in Assembly Biosciences, Inc. as of Dec 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
- 40
- −10 vs. Q3 2022
- Shares held
- 14.2M
- −2.40M (−14.5%) vs. Q3 2022
- Total value
- $18.4M
- −$8.77M (−32.2%) vs. Q3 2022
- New holders
- 2
- 10 more added
- Sold out
- 12
- 20 more reduced
Compare with Q3 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, Q4 2022
Shares, value and share of portfolio for each institution holding Assembly Biosciences, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 94 | $0 | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 1 | $1 | 0.00% | +1 | New |
| BNP Paribas Arbitrage, SA | 32 | $42 | 0.00% | −9−22.0% | Reduced |
| Bank of America Corp | 59 | $77 | 0.00% | −30,350−99.8% | Reduced |
| Wells Fargo & Company | 332 | $432 | 0.00% | +10+3.1% | Added |
| Advisor Group Holdings, Inc. | 518 | $1.00K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 10,485 | $13.6K | 0.00% | +10,485 | New |
| HSBC Holdings PLC | 11,413 | $14.3K | 0.00% | −670−5.5% | Reduced |
| ETF Managers Group, LLC | 12,161 | $15.8K | 0.00% | −2,132−14.9% | Reduced |
| RBF Capital, LLC | 14,741 | $19.0K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 15,866 | $20.6K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 18,248 | $23.0K | 0.00% | −400−2.1% | Reduced |
| Susquehanna International Group, LLP | 21,255 | $27.6K | 0.00% | +8,615+68.2% | Added |
| UBS Group AG | 24,007 | $31.2K | 0.00% | +12,576+110.0% | Added |
| Morgan Stanley | 31,378 | $40.8K | 0.00% | −23,368−42.7% | Reduced |
| Charles Schwab Investment Management Inc | 32,452 | $42.2K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 35,928 | $46.7K | 0.00% | −1,266−3.4% | Reduced |
| Two Sigma Advisers, LP | 37,400 | $48.6K | 0.00% | −27,400−42.3% | Reduced |
| Tower Research Capital LLC (TRC) | 51,217 | $66.0K | 0.00% | +34,067+198.6% | Added |
| Goldman Sachs Group Inc | 55,148 | $71.7K | 0.00% | −18,289−24.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 65,393 | $85.0K | 0.00% | −64,359−49.6% | Reduced |
| Jane Street Group, LLC | 76,961 | $100.0K | 0.00% | +65,768+587.6% | Added |
| Franklin Resources Inc | 82,645 | $107.4K | 0.00% | +44,481+116.6% | Added |
| Northern Trust Corp | 91,472 | $118.9K | 0.00% | −332−0.4% | Reduced |
| Citadel Advisors LLC | 108,753 | $141.4K | 0.00% | +81,371+297.2% | Added |
| State Street Corp | 145,335 | $188.9K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 146,466 | $190.4K | 0.00% | +10,129+7.4% | Added |
| Bridgeway Capital Management, LLC | 188,200 | $244.7K | 0.01% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 257,101 | $332.0K | 0.00% | −32,647−11.3% | Reduced |
| Dimensional Fund Advisors LP | 322,688 | $419.0K | 0.00% | −7,471−2.3% | Reduced |
| Federated Hermes, Inc. | 373,636 | $485.7K | 0.00% | −290.0% | Reduced |
| Geode Capital Management, LLC | 452,628 | $588.0K | 0.00% | −911−0.2% | Reduced |
| Renaissance Technologies LLC | 503,384 | $654.0K | 0.00% | +221,184+78.4% | Added |
| Hudson Bay Capital Management LP | 1,025,000 | $1.33M | 0.02% | −50,000−4.7% | Reduced |
| Platinum Investment Management Ltd | 1,094,770 | $1.42M | 0.05% | −355,558−24.5% | Reduced |
| BlackRock Inc. | 1,135,106 | $1.48M | 0.00% | +1,222+0.1% | Added |
| Millennium Management LLC | 1,497,606 | $1.95M | 0.00% | −49,290−3.2% | Reduced |
| Deep Track Capital, LP | 1,833,437 | $2.38M | 0.10% | −1,166,563−38.9% | Reduced |
| Vanguard Group Inc | 2,192,962 | $2.85M | 0.00% | −9,830−0.4% | Reduced |
| Satter Management Co., L.P. | 2,227,500 | $2.90M | 3.33% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −570,300−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −253,783−100.0% | Sold out |
| Marquette Asset Management, LLC | 0 | $0 | 0.00% | −58,246−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −41,890−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −32,067−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −30,046−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −19,857−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −19,780−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −12,440−100.0% | Sold out |
| Running Point Capital Advisors, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −2,703−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −187−100.0% | Sold out |