ACADIAN ASSET MANAGEMENT LLC

Position in DGX — Quest Diagnostics Inc

CIK 916542 Boston, MA

Position in DGX

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$46,923,883

+$13,783,992 QoQ

Shares Held

239,432

+25.4% QoQ

Ownership

0.216%

of shares outstanding

% of Portfolio

0.07%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

ACADIAN ASSET MANAGEMENT LLC holds $144,650,872 across 23 Diagnostics & Research names. DGX ranks #1 (32.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	DGX	Quest Diagnostics Inc This page	239,432	$46,923,883
2	MTD	Mettler Toledo International Inc/	22,818	$28,778,061
3	FLGT	Fulgent Genetics, Inc.	1,233,951	$19,619,820
4	IDXX	Idexx Laboratories Inc /De	33,998	$19,103,136
5	CSTL	Castle Biosciences Inc	484,441	$11,893,026
6	MYGN	Myriad Genetics Inc	2,308,589	$10,388,650
7	XGN	Exagen Inc.	689,114	$2,067,342
8	GH	Guardant Health, Inc.	13,827	$1,277,199

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$46,923,883	239,432	+25.4%	Shares	Defined	2026-05-13
2025-12-31	$33,139,891	190,975	+6735.2%	Shares	Defined	2026-02-10
2025-09-30	$532,480	2,794	0.0%	Shares	Defined	2025-11-13
2025-06-30	$501,886	2,794	-29.5%	Shares	Defined	2025-08-07
2025-03-31	$670,878	3,965	0.0%	Shares	Defined	2025-05-21
2024-12-31	$598,159	3,965	0.0%	Shares	Defined	2025-02-11
2024-09-30	$615,566	3,965	-31.1%	Shares	Defined	2024-11-12
2024-06-30	$787,196	5,751	-52.8%	Shares	Defined	2024-08-06
2024-03-31	$1,621,546	12,182	0.0%	Shares	Defined	2024-05-10
2023-12-31	$1,679,654	12,182	-75.4%	Shares	Defined	2024-02-13
2023-09-30	$6,038,528	49,553	0.0%	Shares	Defined	2023-11-13
2023-06-30	$6,965,169	49,553	+767.8%	Shares	Defined	2023-08-07
2023-03-31	$807,850	5,710	-81.2%	Shares	Defined	2023-05-11
2022-12-31	$4,739,506	30,296	+55.7%	Shares	Defined	2023-02-14
2022-09-30	$2,387,056	19,456	-41.5%	Shares	Defined	2022-11-14
2022-06-30	$4,424,909	33,275	-72.3%	Shares	Defined	2022-08-09
2022-03-31	$16,456,183	120,241	-51.3%	Shares	Defined	2022-05-12
2021-12-31	$42,740,217	247,039	-30.9%	Shares	Defined	2022-02-10
2021-09-30	$51,963,001	357,601	-40.2%	Shares	Defined	2021-11-12
2021-06-30	$78,946,961	598,219	+4.2%	Shares	Defined	2021-08-11
2021-03-31	$73,675,630	574,066	+23.3%	Shares	Defined	2021-05-11
2020-12-31	$55,490,437	465,641	-33.4%	Shares	Defined	2021-02-11
2020-09-30	$80,033,204	699,041	-29.0%	Shares	Defined	2020-11-09
2020-06-30	$112,151,796	984,133	-3.3%	Shares	Defined	2020-08-12
2020-03-31	$81,714,484	1,017,615	—	Shares	Defined	2020-05-11
No filing history on record for this holder in this stock.