ASSEMBLY BIOSCIENCES, INC. (ASMB) Institutional Ownership & Insider Trading
92 institutions reported holding ASSEMBLY BIOSCIENCES, INC. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 5 insider trades on Form 4 since 2025-10-01.
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
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- Market cap
- 404.0M
- P/E TTM
- —
- Dividend yield
- —
- 52-week
- —
- Next earnings
- 9 Nov, in 16 days
Institutions · all 13F filers
quarter to 30 Jun 2026 · filers in both quarters92 institutions held 92.0% of the shares. Across filers that reported both quarters, shares held changed +37.4%.
Largest moves, shares (millions)
Institutional flow by quarter
net shares added or trimmed, millions · filers in both quarters| Quarter | Holders | Shares held, M | Change | Increased | New | Decreased | Closed |
|---|---|---|---|---|---|---|---|
| Jun 26 | 92 | 19 | +37.4% | 34 | 29 | 17 | 15 |
| Mar 26 | 75 | 14 | +0.3% | 28 | 13 | 15 | 10 |
| Dec 25 | 69 | 14 | +9.5% | 22 | 21 | 11 | 8 |
| Sep 25 | 57 | 12 | +296.5% | 16 | 29 | 3 | 7 |
| Jun 25 | 34 | 3 | -0.9% | 7 | 6 | 7 | 9 |
| Mar 25 | 37 | 3 | -0.3% | 11 | 6 | 10 | 4 |
| Dec 24 | 35 | 3 | -20.4% | 11 | 5 | 6 | 5 |
| Sep 24 | 30 | 1 | -13.7% | 7 | 4 | 7 | 1 |
ASSEMBLY BIOSCIENCES, INC. — questions
- Who owns ASSEMBLY BIOSCIENCES, INC. stock?
- 92 institutions reported ASSEMBLY BIOSCIENCES, INC. shares in 13F filings for the quarter ended 2026-06-30. The largest: GILEAD SCIENCES, INC. (24.4%), FARALLON CAPITAL MANAGEMENT LLC (7.9%), Paradigm Biocapital Advisors LP (7.6%).
- Are ASSEMBLY BIOSCIENCES, INC. insiders buying or selling?
- 5 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.
Every figure on this page comes from ASSEMBLY BIOSCIENCES, INC.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.