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, Q3 2022
Institutional positions in Assembly Biosciences, Inc. as of Sep 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
- 50
- −4 vs. Q2 2022
- Shares held
- 16.6M
- −594.2K (−3.5%) vs. Q2 2022
- Total value
- $27.2M
- −$8.88M (−24.6%) vs. Q2 2022
- New holders
- 4
- 10 more added
- Sold out
- 8
- 22 more reduced
Compare with Q2 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, Q3 2022
Shares, value and share of portfolio for each institution holding Assembly Biosciences, Inc.; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 94 | $0 | 0.00% | −6,224−98.5% | Reduced |
| Royal Bank of Canada | 187 | $0 | 0.00% | +187 | New |
| BNP Paribas Arbitrage, SA | 41 | $67 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 322 | $1.00K | 0.00% | +35+12.2% | Added |
| Advisor Group Holdings, Inc. | 518 | $1.00K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 2,703 | $4.00K | 0.00% | −2,983−52.5% | Reduced |
| Running Point Capital Advisors, LLC | 10,000 | $16.0K | 0.01% | 00.0% | Unchanged |
| Jane Street Group, LLC | 11,193 | $18.0K | 0.00% | −19,259−63.2% | Reduced |
| UBS Group AG | 11,431 | $19.0K | 0.00% | +10,821+1,773.9% | Added |
| HSBC Holdings PLC | 12,083 | $20.0K | 0.00% | −2,406−16.6% | Reduced |
| Occudo Quantitative Strategies LP | 12,440 | $20.0K | 0.00% | +12,440 | New |
| Susquehanna International Group, LLP | 12,640 | $21.0K | 0.00% | −3,319−20.8% | Reduced |
| ETF Managers Group, LLC | 14,293 | $23.0K | 0.00% | −940−6.2% | Reduced |
| RBF Capital, LLC | 14,741 | $24.0K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 15,866 | $26.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 17,150 | $28.0K | 0.00% | +8,992+110.2% | Added |
| Commonwealth Equity Services, LLC | 18,648 | $30.0K | 0.00% | −7,101−27.6% | Reduced |
| Prudential Financial Inc | 19,780 | $32.0K | 0.00% | +2,800+16.5% | Added |
| Cubist Systematic Strategies, LLC | 19,857 | $33.0K | 0.00% | −9,104−31.4% | Reduced |
| Citadel Advisors LLC | 27,382 | $45.0K | 0.00% | −139,584−83.6% | Reduced |
| Virtu Financial LLC | 30,046 | $49.0K | 0.00% | +30,046 | New |
| Bank of America Corp | 30,409 | $50.0K | 0.00% | −381−1.2% | Reduced |
| Two Sigma Investments, LP | 32,067 | $53.0K | 0.00% | −30,371−48.6% | Reduced |
| Charles Schwab Investment Management Inc | 32,452 | $54.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 37,194 | $61.0K | 0.00% | −123,632−76.9% | Reduced |
| Franklin Resources Inc | 38,164 | $63.0K | 0.00% | +419+1.1% | Added |
| Algert Global LLC | 41,890 | $69.0K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 54,746 | $89.0K | 0.00% | −13,518−19.8% | Reduced |
| Marquette Asset Management, LLC | 58,246 | $96.0K | 0.03% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 64,800 | $106.0K | 0.00% | −31,900−33.0% | Reduced |
| Goldman Sachs Group Inc | 73,437 | $120.0K | 0.00% | −3,330−4.3% | Reduced |
| Northern Trust Corp | 91,804 | $151.0K | 0.00% | +2,674+3.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 129,752 | $213.0K | 0.00% | −13,163−9.2% | Reduced |
| FMR LLC | 136,337 | $224.0K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 145,335 | $238.0K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 188,200 | $309.0K | 0.01% | +14,200+8.2% | Added |
| Assenagon Asset Management S.A. | 253,783 | $416.0K | 0.00% | −431,063−62.9% | Reduced |
| Renaissance Technologies LLC | 282,200 | $463.0K | 0.00% | +54,900+24.2% | Added |
| Acadian Asset Management LLC | 289,748 | $474.0K | 0.00% | −270,008−48.2% | Reduced |
| Dimensional Fund Advisors LP | 330,159 | $542.0K | 0.00% | −24,770−7.0% | Reduced |
| Federated Hermes, Inc. | 373,665 | $613.0K | 0.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 453,539 | $743.0K | 0.00% | +58,955+14.9% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 570,300 | $935.0K | 0.00% | +570,300 | New |
| Hudson Bay Capital Management LP | 1,075,000 | $1.76M | 0.02% | 00.0% | Unchanged |
| BlackRock Inc. | 1,133,884 | $1.86M | 0.00% | −22,725−2.0% | Reduced |
| Platinum Investment Management Ltd | 1,450,328 | $2.38M | 0.10% | −140,944−8.9% | Reduced |
| Millennium Management LLC | 1,546,896 | $2.54M | 0.00% | +128,716+9.1% | Added |
| Vanguard Group Inc | 2,202,792 | $3.61M | 0.00% | −52,632−2.3% | Reduced |
| Satter Management Co., L.P. | 2,227,500 | $3.65M | 3.52% | 00.0% | Unchanged |
| Deep Track Capital, LP | 3,000,000 | $4.92M | 0.24% | 00.0% | Unchanged |
| Crestline Management, LP | 0 | $0 | 0.00% | −42,513−100.0% | Sold out |
| GAM Holding AG | 0 | $0 | 0.00% | −24,100−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −21,030−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −19,134−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −13,207−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −10,145−100.0% | Sold out |
| Krensavage Asset Management, LLC | 0 | $0 | 0.00% | −9,985−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −200−100.0% | Sold out |