Adaptive Biotechnologies Corporation ADPT

Set alert

27.98 USD +1.15 (+4.29%)

At closeNov 6, 2026, 5:23 PM EST

27.98 0.00 0.00%

After hours · Nov 6, 5:23 PM ET

26.54 Day range 28.27

12.41 52-week range 29.84

Held by insiders 1.27%

Held by institutions 99.82%

Float held by institutions 101.10%

Institutions 428

Top institutional holders
Holder	% held	Shares	Value	Reported
Viking Global Investors, L.P.	18.53%	29,993,708	839.22M	Jun 29, 2026
Blackrock Inc.	9.35%	15,139,159	423.59M	Jun 29, 2026
Vanguard Capital Management LLC	3.96%	6,403,587	179.17M	Jun 29, 2026
Wellington Management Group, LLP	3.65%	5,911,366	165.40M	Jun 29, 2026
Vanguard Portfolio Management LLC	3.38%	5,476,231	153.22M	Jun 29, 2026
Shaw D.E. & Co., Inc.	2.86%	4,625,859	129.43M	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	2.99%	4,834,309	135.26M	Jun 29, 2026
iShares Trust-iShares Russell 2000 ETF	2.55%	4,122,023	115.33M	Sep 29, 2026
ARK ETF Trust-ARK Genomic Revolution ETF	1.13%	1,825,333	51.07M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund	1.08%	1,742,854	48.77M	Jun 29, 2026
Fidelity Salem Street Trust-Fidelity Small Cap Index Fund	1.04%	1,687,241	47.21M	Aug 30, 2026
ALGER FUNDS-Alger Small Cap Focus Fund	0.92%	1,494,214	41.81M	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