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

Insider buying vs selling

Have Adaptive Biotechnologies Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Harlan S. RobinsChief Scientific Officer2026-06-166,160$18.01
$110.94kSell
Harlan S. RobinsChief Scientific Officer2026-06-15100,000$17.37
$1.74MSell
Susan BobulskyChief Commercial Officer MRD2026-06-115,000$19.00
$95.00kSell
Susan BobulskyChief Commercial Officer MRD2026-06-0411,000$18.00
$198.00kSell
Francis LoChief People Officer2026-06-049,376$8.12
$76.13kBuy
Francis LoChief People Officer2026-06-042,344$3.99
$9.35kBuy
Francis LoChief People Officer2026-06-0439,741$17.49
$695.07kSell
Francis LoChief People Officer2026-06-042,009$8.46
$17.00kBuy
Francis LoChief People Officer2026-06-045,792$12.14
$70.31kBuy
Kyle PiskelChief Financial Officer2026-05-183,115$13.04
$40.62kSell

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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 LLC19.37%30,993,708$520.07MInsider
Viking Global Investors LP18.74%29,993,708$503.29MInsider
Viking Global Investors LP18.74%29,993,708$503.29MInstitution
Blackrock Inc8.31%13,303,025$223.22MInstitution
David E. Goel7.69%12,310,594$206.57MInsider
Vanguard Capital Management LLC3.81%6,094,144$102.26MInstitution
Chad M. Robins3.51%5,618,018$94.27MInsider
Westfield Capital Management Co LP3.40%5,436,718$91.23MInstitution
Vanguard Portfolio Management LLC2.81%4,491,474$75.37MInstitution
Invesco Ltd2.78%4,450,066$74.67MInstitution

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ADPT vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ADPT63.31%36.69%Net SellingNet Selling
ELVN51.05%48.95%Net SellingNet Selling
IDYA92.57%7.43%Net Buying
TARS73.40%26.60%Net SellingNet Selling
IRON62.62%37.38%Net SellingNet Selling

Adaptive Biotechnologies Stock Ownership FAQ

Who owns Adaptive Biotechnologies?

Adaptive Biotechnologies (NASDAQ: ADPT) is owned by 94.88% institutional shareholders, 54.98% Adaptive Biotechnologies insiders, and 0.00% retail investors. Viking Global Performance LLC is the largest individual Adaptive Biotechnologies shareholder, owning 30.99M shares representing 19.37% of the company. Viking Global Performance LLC's Adaptive Biotechnologies shares are currently valued at $543.32M.

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