Adaptive Biotechnologies Corporation ADPT

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26.83 USD +0.12 (+0.45%)

At closeNov 6, 2026, 4:21 AM EST

26.76 -0.07 -0.26%

Pre-market · Nov 6, 4:21 AM ET

25.47 Day range 28.11

12.00 52-week range 30.74

Held by insiders 1.29%

Held by institutions 101.20%

Float held by institutions 102.53%

Institutions 427

Top institutional holders
Holder	% held	Shares	Value	Reported
Viking Global Investors, L.P.	18.79%	29,993,708	803.83M	Jun 29, 2026
Blackrock Inc.	9.49%	15,139,159	405.73M	Jun 29, 2026
Vanguard Capital Management LLC	4.01%	6,403,587	171.62M	Jun 29, 2026
Wellington Management Group, LLP	3.70%	5,911,366	158.42M	Jun 29, 2026
Vanguard Portfolio Management LLC	3.43%	5,476,231	146.76M	Jun 29, 2026
Shaw D.E. & Co., Inc.	2.90%	4,625,859	123.97M	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	3.03%	4,834,309	129.56M	Jun 29, 2026
iShares Trust-iShares Russell 2000 ETF	2.58%	4,122,023	110.47M	Sep 29, 2026
ARK ETF Trust-ARK Genomic Revolution ETF	1.14%	1,825,333	48.92M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund	1.09%	1,742,854	46.71M	Jun 29, 2026
Fidelity Salem Street Trust-Fidelity Small Cap Index Fund	1.06%	1,687,241	45.22M	Aug 30, 2026
ALGER FUNDS-Alger Small Cap Focus Fund	0.94%	1,494,214	40.04M	Jul 30, 2026

ADPT insiders
Insider	Relation	Latest transaction	Date	Shares held
BENZENO SHARON	Officer	Sale	Jun 28, 2026	221,278
BOBULSKY SUSAN	Officer	Sale	Oct 5, 2026	389,350
LO FRANCIS	Officer	Sale	Sep 30, 2026	223,367
NEUPERT PETER M	Director	Sale	Aug 16, 2026	130,625
OWEN KATEY EINTERZ	Director	Stock Gift	Aug 30, 2026	66,100
PELLINI MICHAEL J	Director	Stock Award(Grant)	Mar 3, 2025	69,690

Held by funds