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Who owns Assembly Biosciences (ASMB) stock

92 funds reported Assembly Biosciences (ASMB) shares in their latest 13F filings, worth $513M in all. The largest holder is Gilead Sciences ($137M). Last quarter 54 funds added to their stakes and 39 cut them.

Largest holders of ASMB (13F)Largest holders of ASMB (13F)Gilead Sciences$137MParadigm Biocapital Advisors LP$42.7MCommodore Capital LP$38.9MRA Capital Management, L.P.$28.0MJanus Henderson Group$23.5MJupiter Topco LLC$23.4MBlackRock$21.1MParkman Healthcare Partners LLC$19.8MVanguard Group$19.5MVanguard Capital Management LLC$15.4M

Largest holders (13F)

FundSharesValueChangeQuarter
Gilead Sciences4,977,089$137Mincrease2026-06-30
Paradigm Biocapital Advisors LP1,553,748$42.7Mincrease2026-06-30
Commodore Capital LP1,415,000$38.9Mincrease2026-06-30
RA Capital Management, L.P.1,020,410$28.0Munchanged2026-06-30
Janus Henderson Group849,309$23.5Mincrease2026-03-31
Jupiter Topco LLC849,309$23.4Mbase2026-06-30
BlackRock766,819$21.1Mincrease2026-06-30
Parkman Healthcare Partners LLC721,181$19.8Mincrease2026-06-30
Vanguard Group572,898$19.5Mincrease2025-12-31
Vanguard Capital Management LLC558,942$15.4Mincrease2026-06-30
Point72 Asset Management, L.P.460,593$12.7Mincrease2026-06-30
Seven Fleet Capital Management LP433,147$11.9Mincrease2026-06-30
Millennium Management LLC298,807$8.2Mnew2026-06-30
Geode Capital Management, LLC280,424$7.7Mincrease2026-06-30
Schonfeld Strategic Advisors LLC242,153$6.7Mincrease2026-06-30

Assembly Biosciences' latest quarter

Assembly Biosciences, Q2 2026: revenue $13.4M (+39% year over year), operating margin -47.4%, net loss $3.9M, operating cash flow −$15.5M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most ASMB stock?

By the latest 13F filings: Gilead Sciences ($137M); Paradigm Biocapital Advisors LP ($42.7M); Commodore Capital LP ($38.9M); RA Capital Management, L.P. ($28.0M); Janus Henderson Group ($23.5M).

What is the short interest in ASMB?

2,913,451 shares were sold short at the 2026-10-15 settlement, 3.23% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.