Institutional Ownership
Assembly Biosciences Inc
CUSIP 045396207COM NEWASMBQ1 2026
13D / 13G Filings
12
Schedule 13D/13G on record
Beneficial Filers
7
Distinct reporting persons
Largest Stake
11.0%
Max % of class reported
Institutional Holders
71
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
12 filings · latest Feb 9, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 9, 2026 | Farallon Capital Partners, L.P. | 13G/A | 7.8% | 1.23M | SEC |
| 2 | Dec 8, 2025 | Janus Henderson Group PLC | 13G | 8.2% | 1.34M | SEC |
| 3 | Aug 18, 2025 | Ra Capital Management, L.P. | 13G | 9.5% | 1.53M | SEC |
| 4 | Aug 18, 2025 | Alexander Schornstein | 13G/A | 3.5% | 543.5K | SEC |
| 5 | Aug 15, 2025 | Commodore Capital LP | 13G | 11.0% | 1.62M | SEC |
| 6 | Aug 15, 2025 | Farallon Capital Partners, L.P. | 13G | 7.3% | 1.14M | SEC |
| 7 | Aug 14, 2025 | Armistice Capital, LLC | 13G/A | 10.0% | 289.9K | SEC |
| 8 | Aug 12, 2025 | Alexander Schornstein | 13G | 4.7% | 728.1K | SEC |
| 9 | Feb 14, 2025 | Armistice Capital, LLC | 13G/A | 5.0% | 316.1K | SEC |
| 10 | Dec 23, 2024 | Alexander Schornstein | 13G/A | 10.0% | 728.1K | SEC |
2 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Assembly Biosciences Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Gilead Sciences, Inc. | 4.51M | $125.02M |
| 2 | Farallon Capital Management LLC | 1.23M | $34.07M |
| 3 | Ra Capital Management, L.P. | 1.02M | $28.32M |
| 4 | Commodore Capital LP | 1.00M | $27.75M |
| 5 | Janus Henderson Group PLC | 849.3K | $23.48M |
| 6 | Paradigm Biocapital Advisors LP | 665.3K | $18.46M |
| 7 | Parkman Healthcare Partners LLC | 411.2K | $11.41M |
| 8 | Point72 Asset Management, L.P. | 344.1K | $9.55M |
| 9 | Blackstone Inc. | 296.9K | $8.24M |
| 10 | Millennium Management LLC | 233.7K | $6.48M |