Question 1

Who owns ADPT stock?

Accepted Answer

ADPT (ADAPTIVE BIOTECHNOLOGIES COR) is held by 3 tracked superinvestors with an aggregate position value of $646M based on the most recent SEC 13F filings. Top institutional holders include: Andreas Halvorsen, Polen Capital, Ray Dalio.

Question 2

How much ADPT do superinvestors hold in aggregate?

Accepted Answer

Across 3 tracked managers, superinvestors collectively report $646M in ADPT positions worth 30,136,252 shares.

Question 3

What is the largest holder of ADPT?

Accepted Answer

The largest tracked holder of ADPT is Andreas Halvorsen (Viking Global Investors) with 29,993,708 shares worth $643M, representing 1.83% of their portfolio.

Investor	Fund	Shares	Value▼	% of Portfolio	Rpt Price	Period
Andreas Halvorsen	Viking Global Investors	29993708	$643.4M	1.83%	$21.45	Q2 2026
Polen Capital	Polen Capital Management	102457	$2.2M	0.02%	$21.45	Q2 2026
Ray Dalio	Bridgewater Associates	40087	$860K	0.00%	$21.45	Q2 2026

ADPTADAPTIVE BIOTECHNOLOGIES COR

📊 Holdings Over Time

Quarter-by-Quarter Activity