RHUMBLINE ADVISERS

Position in ADPT — Adaptive Biotechnologies Corp

CIK 1115418 BOSTON, MA

Position in ADPT

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$2,538,263

-$460,225 QoQ

Shares Held

182,872

-1.0% QoQ

Ownership

0.114%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 23.35841462881141.ToString("F0")% Shared 0.ToString("F0")% None 76.6415853711886.ToString("F0")%

Healthcare · as of Mar 31, 2026

RHUMBLINE ADVISERS holds $1,138,138,827 across 32 Diagnostics & Research names. ADPT ranks #22 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TMO	Thermo Fisher Scientific Inc.	611,950	$300,791,783
2	DHR	Danaher Corp /De/	1,012,199	$191,912,930
3	IDXX	Idexx Laboratories Inc /De	173,731	$97,617,711
4	ILMN	Illumina, Inc.	609,802	$75,164,194
5	A	Agilent Technologies, Inc.	499,389	$56,920,358
6	IQV	Iqvia Holdings Inc.	324,104	$55,272,696
7	WAT	Waters Corp /De/	178,037	$53,019,418
8	MTD	Mettler Toledo International Inc/	42,022	$52,998,146

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,538,263	182,872	-1.0%	Shares	Sole	2026-05-12
2025-12-31	$2,998,488	184,636	-9.5%	Shares	Sole	2026-02-13
2025-09-30	$3,050,987	203,943	-2.9%	Shares	Sole	2025-11-06
2025-06-30	$2,446,511	210,001	+11.4%	Shares	Sole	2025-08-12
2025-03-31	$1,400,733	188,524	+4.0%	Shares	Sole	2025-05-29
2024-12-31	$1,086,305	181,202	+3.0%	Shares	Sole	2025-05-29
2024-09-30	$900,305	175,841	-6.6%	Shares	Sole	2024-11-12
2024-06-30	$681,591	188,285	+8.3%	Shares	Sole	2024-08-01
2024-03-31	$558,074	173,855	+2.5%	Shares	Sole	2024-05-09
2023-12-31	$830,868	169,565	+5.8%	Shares	Sole	2024-02-08
2023-09-30	$873,193	160,219	+1.9%	Shares	Sole	2023-11-09
2023-06-30	$1,055,147	157,250	-11.8%	Shares	Sole	2023-08-08
2023-03-31	$1,573,479	178,197	+3.6%	Shares	Sole	2023-05-11
2022-12-31	$1,314,186	172,014	+0.9%	Shares	Sole	2023-02-14
2022-09-30	$1,213,703	170,464	+6.3%	Shares	Sole	2022-11-10
2022-06-30	$1,297,417	160,373	+66.6%	Shares	Sole	2022-08-11
2022-03-31	$1,335,977	96,252	-6.8%	Shares	Sole	2022-05-12
2021-12-31	$2,896,577	103,228	+4.8%	Shares	Sole	2022-02-10
2021-09-30	$3,347,641	98,489	-1.3%	Shares	Sole	2021-11-12
2021-06-30	$4,078,563	99,818	+30.2%	Shares	Sole	2021-08-05
2021-03-31	$3,087,217	76,682	-10.8%	Shares	Sole	2021-05-06
2020-12-31	$5,080,922	85,928	+2.3%	Shares	Sole	2021-02-10
2020-09-30	$4,084,920	84,000	+4.7%	Shares	Sole	2020-11-12
2020-06-30	$3,881,285	80,225	+33.6%	Shares	Sole	2020-08-13
2020-03-31	$1,668,077	60,046	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.