RHUMBLINE ADVISERS

Position in DGX — Quest Diagnostics Inc

CIK 1115418 BOSTON, MA

Position in DGX

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

Position Value

$51,610,745

+$3,636,121 QoQ

Shares Held

263,347

-4.7% QoQ

Ownership

0.238%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 58.13926112695417.ToString("F0")% Shared 0.ToString("F0")% None 41.860738873045825.ToString("F0")%

Healthcare · as of Mar 31, 2026

RHUMBLINE ADVISERS holds $1,138,138,827 across 32 Diagnostics & Research names. DGX ranks #9 (4.5% 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	$51,610,745	263,347	-4.7%	Shares	Sole	2026-05-12
2025-12-31	$47,974,624	276,463	+0.7%	Shares	Sole	2026-02-13
2025-09-30	$52,303,918	274,446	-1.9%	Shares	Sole	2025-11-06
2025-06-30	$50,247,540	279,728	-2.6%	Shares	Sole	2025-08-12
2025-03-31	$48,597,285	287,218	+2.7%	Shares	Sole	2025-05-29
2024-12-31	$42,186,490	279,640	-3.0%	Shares	Sole	2025-05-29
2024-09-30	$44,756,556	288,287	-1.7%	Shares	Sole	2024-11-12
2024-06-30	$40,131,847	293,190	+0.1%	Shares	Sole	2024-08-01
2024-03-31	$39,002,960	293,013	+3.5%	Shares	Sole	2024-05-09
2023-12-31	$39,026,244	283,045	-2.3%	Shares	Sole	2024-02-08
2023-09-30	$35,316,124	289,809	-1.2%	Shares	Sole	2023-11-09
2023-06-30	$41,217,111	293,235	-0.1%	Shares	Sole	2023-08-08
2023-03-31	$41,534,849	293,574	-4.1%	Shares	Sole	2023-05-11
2022-12-31	$47,873,299	306,017	+0.7%	Shares	Sole	2023-02-14
2022-09-30	$37,299,968	304,018	+0.9%	Shares	Sole	2022-11-10
2022-06-30	$40,061,687	301,261	+7.5%	Shares	Sole	2022-08-11
2022-03-31	$38,358,299	280,274	+1.0%	Shares	Sole	2022-05-12
2021-12-31	$48,017,541	277,542	+0.7%	Shares	Sole	2022-02-10
2021-09-30	$40,049,760	275,616	-5.1%	Shares	Sole	2021-11-12
2021-06-30	$38,328,706	290,435	+0.1%	Shares	Sole	2021-08-05
2021-03-31	$37,252,866	290,267	+0.7%	Shares	Sole	2021-05-06
2020-12-31	$34,351,586	288,257	-6.9%	Shares	Sole	2021-02-10
2020-09-30	$35,453,431	309,664	-10.2%	Shares	Sole	2020-11-12
2020-06-30	$39,304,576	344,898	-15.6%	Shares	Sole	2020-08-13
2020-03-31	$32,803,834	408,516	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.