HEARTLAND ADVISORS INC

Position in DGX — Quest Diagnostics Inc

CIK 937394 MILWAUKEE, WI

Back to DGX Full portfolio

Position in DGX

as of Jun 30, 2026 · filed Aug 11, 2026 Compact

Position Value

$9,603,666

+$395,350 QoQ

Shares Held

45,311

-3.6% QoQ

Ownership

0.041%

of shares outstanding

% of Portfolio

0.43%

of 13F equity value

Holder Rank

#171

of 1,090 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in DGX Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Jun 30, 2026

HEARTLAND ADVISORS INC holds $26,741,656 across 3 Diagnostics & Research names. DGX ranks #1 (35.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	DGX	Quest Diagnostics Inc This page	45,311	$9,603,666
2	WAT	Waters Corp /De/	24,463	$9,174,603
3	ICLR	Icon PLC	45,843	$7,963,387

All Filings in DGX

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$9,603,666	45,311	-3.6%	Shares	Defined	2026-08-11
2026-03-31	$9,208,316	46,986	-2.6%	Shares	Defined	2026-05-06
2025-12-31	$8,375,078	48,263	-3.5%	Shares	Defined	2026-02-11
2025-09-30	$9,530,334	50,007	-3.1%	Shares	Defined	2025-11-07
2025-06-30	$9,268,009	51,595	-49.6%	Shares	Defined	2025-08-12
2025-03-31	$17,338,262	102,472	-34.0%	Shares	Defined	2025-05-07
2024-12-31	$23,413,622	155,201	-5.6%	Shares	Defined	2025-02-12
2024-09-30	$25,518,442	164,370	-27.9%	Shares	Defined	2024-11-12
2024-06-30	$31,203,986	227,966	+9.3%	Shares	Defined	2024-08-08
2024-03-31	$27,769,141	208,618	+0.2%	Shares	Defined	2024-05-07
2023-12-31	$28,703,444	208,177	+36.8%	Shares	Defined	2024-02-08
2023-09-30	$18,544,898	152,182	+8.6%	Shares	Defined	2023-11-08
2023-06-30	$19,702,998	140,175	+52.1%	Shares	Defined	2023-08-10
2023-03-31	$13,041,343	92,178	-2.9%	Shares	Defined	2023-05-11
2022-12-31	$14,854,916	94,956	+12.6%	Shares	Defined	2023-02-08
2022-09-30	$10,343,503	84,306	+8.0%	Shares	Defined	2022-11-10
2022-06-30	$10,383,078	78,080	+9.4%	Shares	Defined	2022-08-12
2022-03-31	$9,766,192	71,359	-0.2%	Shares	Defined	2022-05-12
2021-12-31	$12,366,062	71,476	-18.8%	Shares	Defined	2022-02-09
2021-09-30	$12,785,681	87,989	-34.9%	Shares	Defined	2021-11-09
2021-06-30	$17,826,903	135,083	+8.4%	Shares	Defined	2021-08-11
2021-03-31	$15,988,212	124,577	+53.2%	Shares	Defined	2021-05-12
2020-12-31	$9,691,023	81,321	-10.1%	Shares	Defined	2021-02-11
2020-09-30	$10,351,384	90,413	+5.4%	Shares	Defined	2020-11-12
2020-06-30	$9,776,058	85,785	-21.1%	Shares	Defined	2020-08-12
2020-03-31	$8,732,785	108,752	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.