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 2024
Institutional positions in Assembly Biosciences, Inc. as of Dec 31, 2024. 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
- 35
- +5 vs. Q3 2024
- Shares held
- 3.19M
- +2.16M (+210.2%) vs. Q3 2024
- Total value
- $50.3M
- +$34.7M (+223.5%) vs. Q3 2024
- New holders
- 10
- 11 more added
- Sold out
- 5
- 7 more reduced
Compare with Q3 2024: 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 2024
Shares, value and share of portfolio for each institution holding Assembly Biosciences, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Frazier Financial Advisors, LLC | 1 | $17 | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 37 | $584 | 0.00% | −307−89.2% | Reduced |
| EverSource Wealth Advisors, LLC | 55 | $868 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 67 | $1.06K | 0.00% | +67 | New |
| Advisor Group Holdings, Inc. | 187 | $2.95K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 190 | $3.00K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 260 | $4.10K | 0.00% | +260 | New |
| BNP Paribas Arbitrage, SA | 302 | $4.77K | 0.00% | +302 | New |
| Tower Research Capital LLC (TRC) | 349 | $5.51K | 0.00% | −239−40.6% | Reduced |
| GWM Advisors LLC | 846 | $13.3K | 0.00% | +84+11.0% | Added |
| Morgan Stanley | 2,986 | $47.1K | 0.00% | +326+12.3% | Added |
| Barclays PLC | 2,994 | $47.2K | 0.00% | −41−1.4% | Reduced |
| UBS Group AG | 6,547 | $103.3K | 0.00% | +5,246+403.2% | Added |
| Marquette Asset Management, LLC | 9,016 | $142.3K | 0.02% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 10,813 | $170.6K | 0.00% | +10,813 | New |
| JPMorgan Chase & Co | 11,427 | $180.3K | 0.00% | +7,918+225.6% | Added |
| Palumbo Wealth Management LLC | 11,427 | $180.3K | 0.07% | +11,427 | New |
| State Street Corp | 14,009 | $221.1K | 0.00% | +1,200+9.4% | Added |
| Bridgeway Capital Management, LLC | 14,025 | $221.3K | 0.00% | −475−3.3% | Reduced |
| Marshall Wace, LLP | 14,823 | $233.9K | 0.00% | +2,098+16.5% | Added |
| Acadian Asset Management LLC | 16,204 | $255.0K | 0.00% | +2,646+19.5% | Added |
| FMR LLC | 17,566 | $277.2K | 0.00% | +1,711+10.8% | Added |
| Man Group plc | 19,567 | $308.8K | 0.00% | +19,567 | New |
| Susquehanna International Group, LLP | 21,454 | $338.5K | 0.00% | +5,597+35.3% | Added |
| Federated Hermes, Inc. | 25,394 | $400.7K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 28,649 | $452.1K | 0.00% | −1,175−3.9% | Reduced |
| Monimus Capital Management, LP | 42,067 | $663.8K | 0.63% | +42,067 | New |
| Geode Capital Management, LLC | 46,635 | $736.1K | 0.00% | −399−0.8% | Reduced |
| B Group, Inc. | 50,651 | $799.3K | 0.49% | +50,651 | New |
| Peapod Lane Capital LLC | 62,970 | $993.7K | 0.98% | +62,970 | New |
| BlackRock, Inc. | 81,529 | $1.29M | 0.00% | +4,421+5.7% | Added |
| Renaissance Technologies LLC | 94,711 | $1.49M | 0.00% | +29,087+44.3% | Added |
| Armistice Capital, LLC | 168,074 | $2.65M | 0.06% | −185,926−52.5% | Reduced |
| Vanguard Group Inc | 200,458 | $3.16M | 0.00% | 00.0% | Unchanged |
| Gilead Sciences, Inc. | 2,209,471 | $34.9M | 2.25% | +2,209,471 | New |
| Acuitas Investments, LLC | 0 | $0 | 0.00% | −62,315−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −37,553−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −12,720−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −7,934−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −71−100.0% | Sold out |