ASMB ASSEMBLY BIOSCIENCES, INC.: institutional ownership and insider trading
100 funds reported holding $559M of ASSEMBLY BIOSCIENCES, INC. in their latest 13F filings; in Q2 2026 funds net bought $137M, with 31 new positions and 14 funds selling out; over the last 12 months insiders bought $0 and sold $14.7K on the open market.
Famous investors holding ASMB
- Izzy Englander (Millennium Management): $8.21M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $3.14M, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $1.08M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $491K, 0.0% of the portfolio
Largest institutional holders of ASMB
- GILEAD SCIENCES, INC. (GILD) — $137M
- FARALLON CAPITAL MANAGEMENT, L.L.C. — $44.1M
- Paradigm Biocapital Advisors LP — $42.7M
- Commodore Capital LP — $38.9M
- RA CAPITAL MANAGEMENT, L.P. — $28.0M
- JANUS HENDERSON GROUP PLC (JHG) — $23.5M
- Jupiter Topco LLC — $23.4M
- BlackRock, Inc. (BLK) — $21.1M
- Parkman Healthcare Partners LLC — $19.8M
- VANGUARD GROUP INC — $19.5M
Recent ASMB insider trades
- Jun 17, 2026: Bjorkquist Jeanette M sold 29 shares ($674)
- Mar 30, 2026: White Nicole S sold 197 shares ($5.26K)
- Mar 30, 2026: Bjorkquist Jeanette M sold 328 shares ($8.76K)
- Aug 8, 2025: Gilead Sciences, Inc. bought 2,295,920 shares ($0)
5%+ owners
- Farallon Capital Management, L.L.C.: 8.1% (Schedule 13G/A, filed Aug 4, 2026)
- Paradigm BioCapital Advisors LP: 7.8% (Schedule 13G/A, filed Aug 14, 2026)
- JANUS HENDERSON GROUP Ltd.: 6.9% (Schedule 13G/A, filed Aug 13, 2026)