FRED ALGER MANAGEMENT, LLC

Position in ADPT — Adaptive Biotechnologies Corp

CIK 3520 NEW YORK, NY

Position in ADPT

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$28,636,466

-$7,829,122 QoQ

Shares Held

2,063,146

-8.1% QoQ

Ownership

1.29%

of shares outstanding

% of Portfolio

0.13%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

9 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

FRED ALGER MANAGEMENT, LLC holds $517,297,913 across 13 Diagnostics & Research names. ADPT ranks #3 (5.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NTRA	Natera, Inc.	1,756,472	$351,276,835
2	GH	Guardant Health, Inc.	622,259	$57,478,063
3	ADPT	Adaptive Biotechnologies Corp This page	2,063,146	$28,636,466
4	RDNT	RadNet, Inc.	341,938	$19,110,914
5	VCYT	Veracyte, Inc.	579,460	$18,664,406
6	IDXX	Idexx Laboratories Inc /De	24,268	$13,635,946
7	WGS	GeneDx Holdings Corp.	202,771	$13,021,953
8	NEO	Neogenomics Inc	651,649	$4,835,235

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$28,636,466	2,063,146	-8.1%	Shares	Sole	2026-05-15
2025-12-31	$36,465,588	2,245,418	-10.7%	Shares	Sole	2026-02-17
2025-09-30	$37,612,940	2,514,234	+6.7%	Shares	Sole	2025-11-14
2025-06-30	$27,440,724	2,355,427	+8922.9%	Shares	Sole	2025-08-14
2021-03-31	$1,050,987	26,105	-43.4%	Shares	Sole	2021-05-17
2020-12-31	$2,728,139	46,138	-2.2%	Shares	Sole	2021-02-16
2020-09-30	$2,294,266	47,178	+67.5%	Shares	Sole	2020-11-13
2020-06-30	$1,362,912	28,171	+39.7%	Shares	Sole	2020-08-14
2020-03-31	$560,350	20,171	—	Shares	Sole	2020-05-19
No filing history on record for this holder in this stock.