DIMENSIONAL FUND ADVISORS LP

Position in IDXX — Idexx Laboratories Inc /De

CIK 354204 AUSTIN, TX

Position in IDXX

as of Mar 31, 2026 · filed May 7, 2026 Compact

Position Value

$322,149,515

-$49,772,850 QoQ

Shares Held

573,332

+4.3% QoQ

Ownership

0.727%

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 83.94664871313654.ToString("F0")% Shared 8.036704736522642.ToString("F0")% None 8.016646550340814.ToString("F0")%

Healthcare · as of Mar 31, 2026

DIMENSIONAL FUND ADVISORS LP holds $4,738,083,100 across 33 Diagnostics & Research names. IDXX ranks #5 (6.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TMO	Thermo Fisher Scientific Inc.	1,689,790	$830,582,476
2	DHR	Danaher Corp /De/	2,645,911	$501,664,724
3	DGX	Quest Diagnostics Inc	1,949,535	$382,069,866
4	LH	Labcorp Holdings Inc.	1,332,775	$355,597,695
5	IDXX	Idexx Laboratories Inc /De This page	573,332	$322,149,515
6	CRL	Charles River Laboratories International, Inc.	1,652,484	$285,053,489
7	IQV	Iqvia Holdings Inc.	1,657,696	$282,703,474
8	RVTY	Revvity, Inc.	2,917,953	$255,641,860

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$322,149,515	573,332	+4.3%	Shares	Sole	2026-05-07
2025-12-31	$371,922,365	549,750	+1.0%	Shares	Sole	2026-02-12
2025-09-30	$347,674,352	544,185	-2.3%	Shares	Sole	2025-11-12
2025-06-30	$298,841,138	557,186	-1.5%	Shares	Sole	2025-08-12
2025-03-31	$237,485,081	565,508	-3.6%	Shares	Sole	2025-05-13
2024-12-31	$242,565,659	586,701	-2.7%	Shares	Sole	2025-02-13
2024-09-30	$304,505,186	602,718	+17.5%	Shares	Sole	2024-11-07
2024-06-30	$249,830,312	512,788	+13.1%	Shares	Sole	2024-08-09
2024-03-31	$244,733,528	453,269	+0.3%	Shares	Sole	2024-05-10
2023-12-31	$250,874,272	451,985	+5.8%	Shares	Sole	2024-02-07
2023-09-30	$186,772,445	427,133	-3.9%	Shares	Sole	2023-11-09
2023-06-30	$223,321,590	444,660	+1.2%	Shares	Sole	2023-08-09
2023-03-31	$219,624,132	439,178	+6.0%	Shares	Sole	2023-05-12
2022-12-31	$169,031,697	414,334	+3.2%	Shares	Sole	2023-02-09
2022-09-30	$130,785,241	401,428	+1.5%	Shares	Sole	2022-11-10
2022-06-30	$138,747,383	395,596	+1.0%	Shares	Sole	2022-08-12
2022-03-31	$214,326,619	391,779	-0.5%	Shares	Defined	2022-05-13
2021-12-31	$259,283,769	393,773	-10.1%	Shares	Defined	2022-02-09
2021-09-30	$272,343,069	437,921	-0.3%	Shares	Defined	2021-11-12
2021-06-30	$277,448,125	439,313	-0.0%	Shares	Defined	2021-08-12
2021-03-31	$215,055,659	439,508	+1.6%	Shares	Defined	2021-05-14
2020-12-31	$216,341,736	432,796	+7.4%	Shares	Defined	2021-03-08
2020-09-30	$158,427,654	403,011	-4.2%	Shares	Defined	2020-11-12
2020-06-30	$138,829,968	420,493	+0.6%	Shares	Defined	2020-08-13
2020-03-31	$101,291,929	418,147	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.