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NASDAQ: ADPT
Adaptive Biotechnologies Corp Stock Ownership - Who owns Adaptive Biotechnologies?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Adaptive Biotechnologies Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Katey Einterz OwenDirector2026-08-269,615$26.00
$249.99kSell
Chad M. RobinsCEO;Chair2026-08-18278,676$6.55
$1.83MBuy
Robert HershbergDirector2026-08-1815,000$24.39
$365.85kSell
Chad M. RobinsCEO;Chair2026-08-18204$25.14
$5.13kSell
Robert HershbergDirector2026-08-1815,000$6.32
$94.80kBuy
Chad M. RobinsCEO;Chair2026-08-18278,472$24.48
$6.82MSell
Robert HershbergDirector2026-08-1815,664$24.41
$382.36kSell
Peter M. NeupertDirector2026-08-1769,690$25.16
$1.75MSell
Peter M. NeupertDirector2026-08-1740,000$25.10
$1.00MSell
Peter M. NeupertDirector2026-08-1715,000$25.23
$378.45kSell

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Net Insider Buy/Sell (L12M) Ownership

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ADPT Shareholders

What type of owners hold Adaptive Biotechnologies Corp stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Viking Global Performance LLC19.42%30,993,708$826.91MInsider
Viking Global Investors LP18.79%29,993,708$800.23MInsider
David E. Goel7.71%12,310,594$328.45MInsider
Chad M. Robins3.52%5,618,018$149.89MInsider
Andris A. Zoltners2.27%3,621,016$96.61MInsider
Harlan S. Robins1.01%1,612,058$43.01MInsider
Tycho Peterson0.33%531,553$14.18MInsider
Susan Bobulsky0.25%396,989$10.59MInsider
Julie Rubinstein0.24%377,802$10.08MInsider
Kyle Piskel0.16%256,725$6.85MInsider

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ADPT vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ADPT0.10%54.62%Net SellingNet Selling
IOVA0.03%99.97%Net SellingNet Selling
MANE0.08%20.87%Net BuyingNet Selling
PBLS0.08%6.36%Net BuyingNet Buying
RLAY0.11%31.68%Net SellingNet Selling
View Top Biotech Stocks

Adaptive Biotechnologies Stock Ownership FAQ

Who owns Adaptive Biotechnologies?

Adaptive Biotechnologies (NASDAQ: ADPT) is owned by 0.10% institutional shareholders, 54.62% Adaptive Biotechnologies insiders, and 45.28% retail investors. Viking Global Performance LLC is the largest individual Adaptive Biotechnologies shareholder, owning 30.99M shares representing 19.42% of the company. Viking Global Performance LLC's Adaptive Biotechnologies shares are currently valued at $857.60M.

If you're new to stock investing, here's how to buy Adaptive Biotechnologies stock.
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