Assembly BiosciencesASMB
13F holders, Q2 2026 (June 30)92holders +17
31new positions
15sold out
4famous investors
$27.46avg. 13F price*
At the end of Q2 2026, 92 institutions reported holding Assembly Biosciences Inc. (ASMB) in their 13F filings, up 17 from Q1 2026. 31 opened new positions and 15 sold out. The largest holders were Gilead Sciences, Inc. ($136.8M), Farallon Capital Management, L.L.C. ($44.1M) and Paradigm Biocapital Advisors LP ($42.7M). 4 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Assembly Biosciences Inc.
- CUSIP
- 045396207
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 31 | $40.9M |
| Exits | 15 | $22.5M |
All 13F filers, Q1 2026 → Q2 2026: 6,073,251 shares bought and 1,118,547 shares sold, net +4,954,704 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 92 holders
| Gilead Sciences, Inc. | 8.30% | Add +10.5% | 4,977,089 | $136.8M |
| Farallon Capital Management, L.L.C. | 0.26% | Add +30.7% | 1,604,590 | $44.1M |
| Paradigm Biocapital Advisors LP | 0.80% | Add +133.6% | 1,553,748 | $42.7M |
| Commodore Capital LP | 2.32% | Add +41.5% | 1,415,000 | $38.9M |
| Ra Capital Management, L.P. | 0.24% | No change | 1,020,410 | $28.0M |
| Jupiter Topco LLC | 0.01% | — | 849,309 | $23.4M |
| BlackRock, Inc. | 0.00% | Add +278.2% | 766,819 | $21.1M |
| Parkman Healthcare Partners LLC | 2.04% | Add +75.4% | 721,181 | $19.8M |
| Vanguard Capital Management LLC | 0.00% | Add +14.0% | 558,942 | $15.4M |
| Point72 Asset Management | 0.02% | Add +33.9% | 460,593 | $12.7M |
| Seven Fleet Capital Management LP | 1.96% | Add +671.5% | 433,147 | $11.9M |
| Millennium Management | 0.01% | Add +27.9% | 298,807 | $8.2M |
| Geode Capital Management, LLC | 0.00% | Add +110.9% | 280,424 | $7.7M |
| Schonfeld Strategic Advisors LLC | 0.04% | Add +101.0% | 242,153 | $6.7M |
| Ameriprise Financial Inc. | 0.00% | New | 230,000 | $6.3M |
| DV Equities, LLC | 0.90% | — | 226,415 | $6.2M |
| Aberdeen Group plc | 0.01% | New | 207,047 | $5.7M |
| Affinity Asset Advisors, LLC | 0.26% | New | 190,000 | $5.2M |
| B Group, Inc. | 2.74% | No change | 175,706 | $4.8M |
| State Street Corp. | 0.00% | Add +203.3% | 171,931 | $4.7M |
| Stempoint Capital LP | 0.81% | Reduce -8.1% | 170,378 | $4.7M |
| Squadron Capital Management LLC | 1.51% | New | 160,000 | $4.4M |
| Woodline Partners LP | 0.01% | New | 150,780 | $4.1M |
| Driehaus Capital Management LLC | 0.02% | New | 150,000 | $4.1M |
| Ally Bridge Group (NY) LLC | 4.96% | New | 140,000 | $3.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +280.7% | 137,833 | $3.8M |
| Northern Trust Corp. | 0.00% | Add +200.0% | 123,029 | $3.4M |
| Franklin Resources Inc. | 0.00% | New | 113,200 | $3.1M |
| Citadel Advisors | 0.00% | Add +277.0% | 95,907 | $2.6M |
| Vanguard Portfolio Management LLC | 0.00% | Add +414.3% | 91,153 | $2.5M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +3.3% | 73,970 | $2.0M |
| HighVista Strategies LLC | 0.46% | Reduce -1.8% | 73,405 | $2.0M |
| Qube Research & Technologies Ltd | 0.00% | Reduce -25.7% | 51,488 | $1.4M |
| Monimus Capital Management, LP | 0.33% | Reduce -1.7% | 47,580 | $1.3M |
| Trexquant Investment LP | 0.01% | Add +100.8% | 45,661 | $1.3M |
| JPMorgan Chase & Co. | 0.00% | Reduce -14.0% | 46,385 | $1.3M |
| Morgan Stanley | 0.00% | Add +36.8% | 45,219 | $1.2M |
| Gsa Capital Partners LLP | 0.07% | Reduce -4.7% | 42,931 | $1.2M |
| XTX Topco Ltd | 0.02% | Add +297.9% | 42,918 | $1.2M |
| UBS Group AG | 0.00% | Add +11385.2% | 41,806 | $1.1M |
| Renaissance Technologies | 0.00% | Add +152.0% | 39,441 | $1.1M |
| Squarepoint Ops LLC | 0.00% | Add +43.7% | 34,214 | $940K |
| Charles Schwab Investment Management Inc. | 0.00% | New | 29,128 | $800K |
| BNP Paribas Financial Markets | 0.00% | Add +16143.6% | 24,203 | $665K |
| Bank of New York Mellon Corp | 0.00% | New | 24,015 | $660K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Add +9.2% | 23,765 | $653K |
| Caption Management, LLC | 0.02% | Reduce -72.1% | 22,829 | $627K |
| ADAR1 Capital Management, LLC | 0.03% | Add +2.5% | 20,447 | $562K |
| Palumbo Wealth Management LLC | 0.11% | Add +1.1% | 19,865 | $546K |
| Two Sigma Investments, LP | 0.00% | Reduce -13.1% | 17,858 | $491K |
| Engineers Gate Manager LP | 0.01% | Add +88.5% | 17,766 | $488K |
| Marshall Wace, LLP | 0.00% | Reduce -89.2% | 17,735 | $487K |
| Nuveen, LLC | 0.00% | New | 16,875 | $464K |
| Eversept Partners, LP | 0.02% | Reduce -59.6% | 16,510 | $454K |
| Susquehanna Portfolio Strategies, LLC | 0.01% | Add +7.3% | 15,129 | $416K |
| Virtus Investment Advisers, LLC | 0.09% | Add +88.7% | 14,251 | $392K |
| American Century Companies Inc. | 0.00% | Add +44.6% | 13,239 | $364K |
| Invesco Ltd. | 0.00% | New | 11,864 | $326K |
| Rhumbline Advisers | 0.00% | Add +6000.0% | 11,590 | $318K |
| Integrated Quantitative Investments LLC | 0.05% | New | 10,078 | $277K |
| Deutsche Bank AG | 0.00% | New | 9,615 | $264K |
| Bank of America Corp. | 0.00% | Reduce -12.3% | 9,567 | $263K |
| Canada Pension Plan Investment Board | 0.00% | No change | 8,500 | $234K |
| EntryPoint Capital, LLC | 0.06% | Reduce -33.1% | 8,285 | $228K |
| Wells Fargo & Company | 0.00% | New | 8,253 | $227K |
| T. Rowe Price Associates Inc. | 0.00% | New | 8,203 | $226K |
| Brevan Howard Capital Management LP | 0.00% | Reduce -30.1% | 7,765 | $213K |
| Persistent Asset Partners Ltd | 0.06% | New | 6,942 | $191K |
| Barclays PLC | 0.00% | Reduce -77.3% | 6,133 | $169K |
| MetLife Investment Management, LLC | 0.00% | New | 5,885 | $162K |
| Vanguard Global Advisers, LLC | 0.00% | No change | 4,615 | $127K |
| Citigroup Inc. | 0.00% | Reduce -29.8% | 4,554 | $125K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | New | 4,519 | $124K |
| New York State Common Retirement Fund | 0.00% | New | 4,200 | $115K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | New | 2,907 | $80K |
| Legal & General Group Plc | 0.00% | New | 958 | $26K |
| Ameritas Investment Partners, Inc. | 0.00% | New | 895 | $25K |
| Russell Investments Group, Ltd. | 0.00% | New | 788 | $22K |
| HSBC Holdings PLC | 0.00% | New | 16,935 | $17K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -2.6% | 530 | $15K |
| Royal Bank of Canada | 0.00% | Add +2650.0% | 440 | $12K |
| Northwestern Mutual Wealth Management Co. | 0.00% | No change | 260 | $7K |
| Accent Capital Management, LLC | 0.00% | Add +49.3% | 212 | $6K |
| Sterling Capital Management LLC | 0.00% | New | 199 | $5K |
| Truvestments Capital LLC | 0.00% | New | 193 | $5K |
| FMR LLC | 0.00% | New | 178 | $5K |
| California State Teachers Retirement System | 0.00% | New | 136 | $4K |
| Osaic Holdings, Inc. | 0.00% | No change | 100 | $3K |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 75 | $2K |
| Quarry LP | 0.00% | New | 75 | $2K |
| EverSource Wealth Advisors, LLC | 0.00% | No change | 55 | $2K |
| Allworth Financial LP | 0.00% | Reduce -65.5% | 10 | $275 |
"% of holder's portfolio" is ASMB's weight in each manager's 13F, not the share of Assembly Biosciences Inc. the manager owns.