WallStreetZenWallStreetZen

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. BjorkquistPrincipal Accounting Officer2025-03-31180$9.85
$1.77kSell
John G. McHutchisonDirector2025-03-31757$9.85
$7.45kSell
Jason A. OkazakiCEO and President2025-03-31355$9.85
$3.50kSell
Nicole S. WhiteChief Manufacturing Officer2025-03-31197$9.85
$1.94kSell

1 of 1

ASMB insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when ASMB insiders and whales buy or sell their stock.

ASMB Shareholders

What type of owners hold Assembly Biosciences Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Gilead Sciences Inc28.48%4,505,391$118.81MInstitution
Gilead Sciences Inc28.48%4,505,391$118.81MInsider
Ecor1 Capital Fund Qualified LP13.67%2,162,029$57.01MInsider
Alexander Schornstein11.58%1,832,405$48.32MInsider
Adam Zlotnick8.35%1,321,009$34.84MInsider
Farallon Capital Management LLC7.76%1,227,590$32.37MInstitution
Ra Capital Management LP6.45%1,020,410$26.91MInstitution
Commodore Capital LP6.32%1,000,000$26.37MInstitution
Derek A. Small5.24%828,791$21.86MInsider
Janus Henderson Group PLC4.76%752,626$19.85MInstitution

1 of 3

ASMB vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ASMB50.56%49.44%Net Selling
MNPR18.40%81.60%Net SellingNet Selling
PRTC0.04%0.00%
CTNM59.89%9.23%Net SellingNet Selling
TRDA45.50%54.50%Net SellingNet Selling
View Top Biotech Stocks

Assembly Biosciences Stock Ownership FAQ

Who owns Assembly Biosciences?

Assembly Biosciences (NASDAQ: ASMB) is owned by 78.92% institutional shareholders, 77.15% Assembly Biosciences insiders, and 0.00% retail investors. Gilead Sciences Inc is the largest individual Assembly Biosciences shareholder, owning 4.51M shares representing 28.48% of the company. Gilead Sciences Inc's Assembly Biosciences shares are currently valued at $127.23M.

If you're new to stock investing, here's how to buy Assembly Biosciences stock.
©2026 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.