Stock Ownership/ADPT

ADAPTIVE BIOTECHNOLOGIES COR (ADPT): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in ADPT · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
18
13F filers
Aggregate Value
$918.1M
Across holders
Last Price
$25.55
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity6 increased11 reduced5 exited
Full exits: FARALLON CAPITAL MANAGEMENT LLC, Point72 Asset Management, L.P., CAXTON ASSOCIATES LLP, TWO SIGMA INVESTMENTS, LP, Brevan Howard Capital Management LP
Institutional Holders of ADPT
↗
18 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
VIKING GLOBAL INVESTORS LP
CIK 0001103804
Hedge Fund29.99M$643.4M70.1%1.8%Unchanged+$0Q2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund4.63M$99.2M10.8%0.0%Added+$16.1MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund2.52M$54.2M5.9%0.0%Added+$11.4MQ2 2026
FRED ALGER MANAGEMENT, LLC
CIK 0000003520
Hedge Fund2.09M$44.9M4.9%0.1%Added+$625KQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund543K$11.7M1.3%0.0%Reduced$-5.2MQ2 2026
ExodusPoint Capital Management, LP
CIK 0001736225
Hedge Fund518K$11.1M1.2%0.1%Added—Q2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund505K$10.8M1.2%0.0%Reduced$-12.4MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund480K$10.3M1.1%0.0%Reduced$-3.4MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund363K$7.8M0.8%0.0%Reduced+$7.3MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund303K$6.5M0.7%0.0%Added+$1.4MQ2 2026
VIKING GLOBAL INVESTORS LPUnchanged
Hedge Fund
$643.4M· 70.1% of total· 1.8% port· 29.99M sh· +$0 QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$99.2M· 10.8% of total· 0.0% port· 4.63M sh· +$16.1M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$54.2M· 5.9% of total· 0.0% port· 2.52M sh· +$11.4M QoQ· Q2 2026
FRED ALGER MANAGEMENT, LLCAdded
Hedge Fund
$44.9M· 4.9% of total· 0.1% port· 2.09M sh· +$625K QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$11.7M· 1.3% of total· 0.0% port· 543K sh· $-5.2M QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$11.1M· 1.2% of total· 0.1% port· 518K sh· — QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$10.8M· 1.2% of total· 0.0% port· 505K sh· $-12.4M QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$10.3M· 1.1% of total· 0.0% port· 480K sh· $-3.4M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$7.8M· 0.8% of total· 0.0% port· 363K sh· +$7.3M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$6.5M· 0.7% of total· 0.0% port· 303K sh· +$1.4M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$6.3M· 0.7% of total· 0.0% port· 292K sh· +$4.5M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$3.9M· 0.4% of total· 0.0% port· 181K sh· $-482K QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$2.2M· 0.2% of total· 0.0% port· 103K sh· $-409K QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$2.0M· 0.2% of total· 0.0% port· 92K sh· +$2.0M QoQ· Q2 2026
Gotham Asset Management, LLCReduced
Hedge Fund
$1.6M· 0.2% of total· 0.0% port· 75K sh· $-343K QoQ· Q2 2026
Schonfeld Strategic Advisors LLCReduced
Hedge Fund
$1.1M· 0.1% of total· 0.0% port· 51K sh· $-4.5M QoQ· Q2 2026
Bridgewater Associates, LPReduced
Hedge Fund
$860K· 0.1% of total· 0.0% port· 40K sh· $-1.1M QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$368K· 0.0% of total· 0.0% port· 17K sh· +$46K QoQ· Q2 2026
1–10 of 18
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