ADAPTIVE BIOTECHNOLOGIES COR (ADPT) is held by 154 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is VIKING GLOBAL INVESTORS LP as of Q1 2026.

Are institutions buying or selling ADPT?

In Q1 2026, 83 institutions opened or increased positions in ADAPTIVE BIOTECHNOLOGIES COR while 64 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on ADPT?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for ADAPTIVE BIOTECHNOLOGIES COR.

How many hedge funds hold ADPT?

154 institutional investors report holding ADAPTIVE BIOTECHNOLOGIES COR (ADPT) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into ADPT?

As of Q1 2026, tracked institutions in ADAPTIVE BIOTECHNOLOGIES COR show 83 buyers versus 64 sellers — net inflows.

ADAPTIVE BIOTECHNOLOGIES COR

ADPT·00650F109·US·Common Stock·Healthcare - Biotechnology-13D/G

154

Holders

(12 Elite)

$1.8B

Total Value

56% (147)

Consensus

83 buying - 64 selling

13F: Mar 31, 2026Insider & Congress: Updated regularly

Smart Money Verdict

View all

Held by 154 funds

12 elite

Who's Trading

InsiderRSROBINS HARLAN SSell $5.2MJul 2, 2026

InsiderRSROBINS HARLAN SSell $3.3MJul 2, 2026

InsiderBSBENZENO SHARONSell $3.3MJun 29, 2026

InsiderBSBENZENO SHARONSell $232KJun 26, 2026

InsiderBSBOBULSKY SUSANSell $103KJun 25, 2026

Activist

VIKING GLOBAL INVESTORS LP18.8%May 15, 2026

InsiderRJRUBINSTEIN JULIEExercise 15K shApr 27, 2026

InsiderRJRUBINSTEIN JULIESell $271KApr 27, 2026

InsiderRJRUBINSTEIN JULIEExercise 15K shApr 24, 2026

Activist

The Vanguard Group0.0%Mar 26, 2026

View all insider trades View all activist filings

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
VIKING GLOBAL INVESTORS LP	Unchanged	30M	$416.3M	1.2%	-56.40%	0
BlackRock, Inc.	Decreased	13.3M(-0.2%)	$184.6M	0.0%	+213.41%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	New	6.1M	$84.6M	0.0%	+30.97%	41
WESTFIELD CAPITAL MANAGEMENT CO LP	Increased	5.4M(+33.9%)	$75.5M	0.3%	+28.93%	46
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	4.5M	$62.3M	0.0%	+30.97%	41
Invesco Ltd.	Increased	4.5M(+43.2%)	$61.8M	0.0%	+33.71%	40
WELLINGTON MANAGEMENT GROUP LLP	Increased	3.9M(+78.2%)	$53.5M	0.0%	+32.57%	45
GEODE CAPITAL MANAGEMENT, LLC	Increased	3.6M(+3.5%)	$50.5M	0.0%	+2.29%	30
GOLDMAN SACHS GROUP INC	Increased	3.2M(+11.7%)	$45M	0.0%	+102.38%	33
STATE STREET CORP	Increased	3.2M(+1.4%)	$44.8M	0.0%	+233.92%	30
AMERIPRISE FINANCIAL INC	Increased	3M(+16.5%)	$41.9M	0.0%	+90.76%	34
BNP Paribas Asset Management Holding S.A.	New	2.7M	$37.3M	0.0%	+30.97%	40
ARK Investment Management LLC	Decreased	2.1M(-2.1%)	$29.1M	0.2%	+1.07%	0
FRED ALGER MANAGEMENT, LLC	Decreased	2.1M(-8.1%)	$28.6M	0.1%	+77.04%	0
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	Decreased	2M(-17.6%)	$27.7M	0.0%	+60.48%	0
DED. E. Shaw & Co., Inc.	Increased	2M(+3.3%)	$27.3M	0.0%	+42.48%	30
NANOMURA ASSET MANAGEMENT INTERNATIONAL INC.	Decreased	1.9M(-3.0%)	$26.1M	0.0%	+28.26%	0
DRIEHAUS CAPITAL MANAGEMENT LLC	Decreased	1.8M(-36.6%)	$24.3M	0.2%	+145.27%	0
PRINCIPAL FINANCIAL GROUP INC	Increased	1.7M(+9.8%)	$23.7M	0.0%	+48.41%	31
Amova Asset Management Americas, Inc.	Decreased	1.6M(-18.1%)	$22.1M	0.3%	+12.91%	0