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.
Q3 2025 vs. Q2 2025
How the institutions holding Assembly Biosciences, Inc. changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Q3 2025 | Change |
|---|---|---|---|
| Holders | 33 | 57 | +24 |
| Shares | 3.15M | 12.5M | +9.33M (+296.5%) |
| Value | $57.0M | $324.9M | +$267.9M (+469.5%) |
New holders (31)
Institutions that held Assembly Biosciences, Inc. at the end of Q3 2025 but not at the end of Q2 2025.
Sold out (7)
Institutions that held Assembly Biosciences, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Man Group plc | 13,227 | $239.7K |
| Lynx1 Capital Management LP | 10,366 | $187.8K |
| Raymond James Financial Inc | 250 | $4.53K |
| Tower Research Capital LLC (TRC) | 250 | $4.53K |
| Ameriflex Group, Inc. | 83 | $1.42K |
| Royal Bank of Canada | 53 | $1.00K |
| Caitong International Asset Management Co., Ltd | 34 | $616 |