THOMPSON SIEGEL & WALMSLEY LLC

Position in DGX — Quest Diagnostics Inc

CIK 1008322 RICHMOND, VA

Position in DGX

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

Position Value

$5,585,942

+$322,900 QoQ

Shares Held

26,355

-1.9% QoQ

Ownership

0.024%

of shares outstanding

% of Portfolio

0.11%

of 13F equity value

Holder Rank

#234

of 1,090 holders

Holding Since

Mar 2021

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

THOMPSON SIEGEL & WALMSLEY LLC holds $87,081,155 across 5 Diagnostics & Research names. DGX ranks #4 (6.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	IQV	Iqvia Holdings Inc.	309,534	$59,808,159
2	SHC	Sotera Health Co	617,774	$10,965,488
3	ICLR	Icon PLC	35,096	$6,096,526
4	DGX	Quest Diagnostics Inc This page	26,355	$5,585,942
5	LH	Labcorp Holdings Inc.	16,518	$4,625,040

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$5,585,942	26,355	-1.9%	Shares	Defined	2026-08-11
2026-03-31	$5,263,042	26,855	-17.8%	Shares	Defined	2026-05-11
2025-12-31	$5,666,622	32,655	0.0%	Shares	Defined	2026-02-10
2025-09-30	$6,223,389	32,655	+10932.1%	Shares	Defined	2025-11-12
2023-12-31	$40,812	296	-6.3%	Shares	Defined	2024-02-07
2023-09-30	$38,507	316	+6.8%	Shares	Defined	2023-11-08
2023-06-30	$41,605	296	0.0%	Shares	Defined	2023-08-10
2023-03-31	$41,878	296	0.0%	Shares	Defined	2023-05-11
2022-12-31	$46,306	296	+4128.6%	Shares	Defined	2023-02-10
2021-12-31	$1,211	7	0.0%	Shares	Defined	2022-02-09
2021-09-30	$1,017	7	0.0%	Shares	Defined	2021-11-05
2021-06-30	$923	7	0.0%	Shares	Defined	2021-08-09
2021-03-31	$898	7	—	Shares	Defined	2021-05-07
No filing history on record for this holder in this stock.