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 Officer2025-12-0410,000$16.61
$166.10kSell
Harlan S. RobinsChief Scientific Officer2025-12-0327,212$18.61
$506.42kSell
Chad M. RobinsCEO and Chairman2025-12-01124,998$18.94
$2.37MSell
Kyle PiskelChief Financial Officer2025-11-2894,384$12.14
$1.15MBuy
Kyle PiskelChief Financial Officer2025-11-28162,820$19.50
$3.17MSell
Kyle PiskelChief Financial Officer2025-11-2811,980$6.55
$78.47kBuy
Kyle PiskelChief Financial Officer2025-11-283,750$7.80
$29.25kBuy
Chad M. RobinsCEO and Chairman2025-11-2635,736$19.68
$703.28kSell
Sharon BenzenoChief Commercial Ofc Imm Med2025-11-2134,375$7.27
$249.91kBuy
Sharon BenzenoChief Commercial Ofc Imm Med2025-11-21119,809$12.14
$1.45MBuy

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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 LLC20.30%30,993,708$457.16MInsider
Viking Global Investors LP19.65%29,993,708$442.41MInsider
Viking Global Investors LP19.65%29,993,708$442.41MInstitution
Blackrock Inc8.75%13,357,977$197.03MInstitution
David E. Goel8.06%12,310,594$181.58MInsider
Vanguard Group Inc7.39%11,275,169$166.31MInstitution
Chad M. Robins4.03%6,146,741$90.66MInsider
Ameriprise Financial Inc3.91%5,971,706$88.08MInstitution
Amova Asset Management Americas Inc2.39%3,650,646$53.85MInstitution
Sumitomo Mitsui Trust Group Inc2.39%3,650,646$53.85MInstitution

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ADPT vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ADPT62.16%37.84%Net SellingNet Selling
IBRX14.52%7.76%Net Buying
MESO0.28%0.00%
HRMY76.18%23.82%Net SellingNet Selling
SRPT84.06%15.94%Net SellingNet Selling

Adaptive Biotechnologies Stock Ownership FAQ

Who owns Adaptive Biotechnologies?

Adaptive Biotechnologies (NASDAQ: ADPT) is owned by 95.27% institutional shareholders, 57.99% Adaptive Biotechnologies insiders, and 0.00% retail investors. Viking Global Performance LLC is the largest individual Adaptive Biotechnologies shareholder, owning 30.99M shares representing 20.30% of the company. Viking Global Performance LLC's Adaptive Biotechnologies shares are currently valued at $457.16M.

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