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