OAK ASSOCIATES LTD /OH/

Position in DGX — Quest Diagnostics Inc

CIK 836372 AKRON, OH

Position in DGX

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$3,516,674

+$264,974 QoQ

Shares Held

16,592

0.0% QoQ

Ownership

0.015%

of shares outstanding

% of Portfolio

0.20%

of 13F equity value

Holder Rank

#300

of 1,090 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

OAK ASSOCIATES LTD /OH/ holds $23,367,826 across 3 Diagnostics & Research names. DGX ranks #2 (15.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LH	Labcorp Holdings Inc.	62,607	$17,529,960
2	DGX	Quest Diagnostics Inc This page	16,592	$3,516,674
3	MEDP	Medpace Holdings, Inc.	4,383	$2,321,192

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$3,516,674	16,592	0.0%	Shares	Sole	2026-08-14
2026-03-31	$3,251,700	16,592	-4.9%	Shares	Sole	2026-05-14
2025-12-31	$3,026,710	17,442	0.0%	Shares	Sole	2026-02-12
2025-09-30	$3,324,096	17,442	0.0%	Shares	Sole	2025-11-12
2025-06-30	$3,133,106	17,442	0.0%	Shares	Sole	2025-08-12
2025-03-31	$2,951,186	17,442	0.0%	Shares	Sole	2025-05-14
2024-12-31	$2,631,300	17,442	-3.2%	Shares	Sole	2025-02-13
2024-09-30	$2,798,381	18,025	0.0%	Shares	Sole	2024-11-12
2024-06-30	$2,467,262	18,025	0.0%	Shares	Sole	2024-08-08
2024-03-31	$2,399,307	18,025	-19.8%	Shares	Sole	2024-05-10
2023-12-31	$3,099,266	22,478	0.0%	Shares	Sole	2024-02-14
2023-09-30	$2,739,169	22,478	0.0%	Shares	Sole	2023-11-13
2023-06-30	$3,159,507	22,478	-18.5%	Shares	Sole	2023-08-11
2023-03-31	$3,903,150	27,588	-18.6%	Shares	Sole	2023-05-11
2022-12-31	$5,303,159	33,899	0.0%	Shares	Sole	2023-02-09
2022-09-30	$4,159,068	33,899	+7.7%	Shares	Sole	2022-11-09
2022-06-30	$4,186,210	31,480	0.0%	Shares	Sole	2022-08-12
2022-03-31	$4,308,352	31,480	0.0%	Shares	Sole	2022-05-12
2021-12-31	$5,446,354	31,480	0.0%	Shares	Sole	2022-02-10
2021-09-30	$4,574,358	31,480	0.0%	Shares	Sole	2021-11-12
2021-06-30	$4,154,415	31,480	+2.5%	Shares	Sole	2021-08-09
2021-03-31	$3,941,321	30,710	+0.0%	Shares	Sole	2021-05-13
2020-12-31	$3,658,519	30,700	0.0%	Shares	Sole	2021-02-12
2020-09-30	$3,514,843	30,700	-24.6%	Shares	Sole	2020-11-13
2020-06-30	$4,638,172	40,700	0.0%	Shares	Sole	2020-08-11
2020-03-31	$3,268,210	40,700	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.