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NASDAQ: ASMB
Assembly Biosciences Inc Stock Ownership - Who owns Assembly Biosciences?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Assembly Biosciences Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Jeanette M. BjorkquistPFO and PAO2026-06-1729$23.25
$674.25Sell
Gilead Sciences Inc10% Owner2026-05-26471,698$26.50
$12.50MBuy
Jeanette M. BjorkquistPFO and PAO2026-03-30312$26.65
$8.31kSell
Jeanette M. BjorkquistPFO and PAO2026-03-3016$27.49
$439.84Sell
Nicole S. WhiteChief Manufacturing Officer2026-03-30188$26.65
$5.01kSell
Nicole S. WhiteChief Manufacturing Officer2026-03-309$27.49
$247.41Sell

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Net Insider Buy/Sell (L12M) Ownership

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ASMB Shareholders

What type of owners hold Assembly Biosciences Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Gilead Sciences Inc24.44%4,977,089$164.00MInsider
Ecor1 Capital Fund Qualified LP10.62%2,162,029$71.24MInsider
Alexander Schornstein9.00%1,832,405$60.38MInsider
Adam Zlotnick6.49%1,321,009$43.53MInsider
Derek A. Small4.07%828,791$27.31MInsider
URI A. Lopatin3.11%632,361$20.84MInsider
Richard D. Dimarchi1.57%319,240$10.52MInsider
Jason A. Okazaki0.80%163,354$5.38MInsider
Richard James Colonno0.67%137,009$4.51MInsider
Graham K. Cooper0.58%117,500$3.87MInsider

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ASMB vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ASMB0.09%63.58%Net BuyingNet Buying
ZVRA0.08%21.75%Net SellingNet Selling
FDMT0.11%22.67%Net SellingNet Selling
VALN0.00%0.00%
TECX0.04%99.96%Net BuyingNet Selling
View Top Biotech Stocks

Assembly Biosciences Stock Ownership FAQ

Who owns Assembly Biosciences?

Assembly Biosciences (NASDAQ: ASMB) is owned by 0.09% institutional shareholders, 63.58% Assembly Biosciences insiders, and 36.33% retail investors. Gilead Sciences Inc is the largest individual Assembly Biosciences shareholder, owning 4.98M shares representing 24.44% of the company. Gilead Sciences Inc's Assembly Biosciences shares are currently valued at $164.00M.

If you're new to stock investing, here's how to buy Assembly Biosciences stock.
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