ADAPTIVE BIOTECHNOLOGIES COR

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

ADPT (ADAPTIVE BIOTECHNOLOGIES COR) is held by 159 institutional investors as of Q2 2026. Largest holders: VIKING GLOBAL INVESTORS LP ($643.4M), BlackRock, Inc. ($324.7M), VANGUARD CAPITAL MANAGEMENT LLC ($137.4M). Net institutional sentiment: Mixed.

159

Holders

(10 Elite)

$2.9B

Total Value

57% (157)

Consensus

90 buying - 67 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)51

Insider (Form 4)43

Activist (13D/13G)64

Congressional (STOCK Act)37

Holder Quality

82

★★★★★

Elite

44

★★★★

Strong

10

★★★

Solid

48

★★

Below

61

★

Weak

Held by 159 funds

10 elite

Who's Trading

Source dates: Price Oct 16, 2026 · Insiders Oct 16, 2026 · Activists May 15, 2026 · Congress none

InsiderRJRUBINSTEIN JULIEExercise 12K shOct 16, 2026

InsiderRJRUBINSTEIN JULIESell $8KOct 16, 2026

InsiderRJRUBINSTEIN JULIESell $280KOct 16, 2026

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Top Holders

Top Holders (159)History

AllNewIncreasedHeldDecreasedExitedFirst report

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
VIKING GLOBAL INVESTORS LP	Unchanged	30M	$643.4M	1.8%	-47.04%	0
BlackRock, Inc.	Increased	15.1M(+13.8%)	$324.7M	0.0%	+230.89%	35
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	6.4M(+5.1%)	$137.4M	0.0%	+56.55%	32
WELLINGTON MANAGEMENT GROUP LLP	Increased	5.9M(+53.3%)	$126.8M	0.0%	+48.15%	42
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	5.5M(+21.9%)	$117.5M	0.0%	+50.07%	36
DED. E. Shaw & Co., Inc.	Increased	4.6M(+135.3%)	$99.2M	0.0%	+37.41%	48
WESTFIELD CAPITAL MANAGEMENT CO LP	Decreased	4.3M(-21.5%)	$91.5M	0.3%	+56.61%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	3.6M(+0.2%)	$78.1M	0.0%	+22.83%	30
STATE STREET CORP	Increased	3.5M(+7.2%)	$74.2M	0.0%	+18.40%	32
Invesco Ltd.	Decreased	3.1M(-30.5%)	$66.4M	0.0%	+73.14%	0
GOLDMAN SACHS GROUP INC	Decreased	3M(-8.0%)	$64M	0.0%	+158.64%	0
PRICE T ROWE ASSOCIATES INC /MD/	Increased	2.7M(+70.2%)	$57.2M	0.0%	+38.37%	44
DRIEHAUS CAPITAL MANAGEMENT LLC	Increased	2.5M(+44.4%)	$54.2M	0.3%	+103.97%	47
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	Increased	2.5M(+26.5%)	$54.2M	0.0%	+72.03%	36
Nuveen, LLC	Increased	2.4M(+81.4%)	$50.8M	0.0%	+62.99%	45
BNP Paribas Asset Management Holding S.A.	Decreased	2.2M(-18.8%)	$46.8M	0.0%	+59.08%	0
FRED ALGER MANAGEMENT, LLC	Increased	2.1M(+1.4%)	$44.9M	0.1%	+113.30%	35
ARK Investment Management LLC	Decreased	2.1M(-0.1%)	$44.8M	0.3%	+22.76%	0
NANOMURA ASSET MANAGEMENT INTERNATIONAL INC.	Increased	1.9M(+0.4%)	$40.5M	0.1%	+55.58%	29
BANK OF AMERICA CORP /DE/	Increased	1.7M(+40.9%)	$37.1M	0.0%	+92.93%	39

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ADPTADAPTIVE BIOTECHNOLOGIES COR

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer