Stephens Investment Management Group LLC

Position in IDXX — Idexx Laboratories Inc /De

CIK 1314440 LITTLE ROCK, AR

Back to IDXX Full portfolio

Position in IDXX

as of Mar 31, 2026 · filed Apr 28, 2026 Compact

Position Value

$57,367,283

-$8,514,561 QoQ

Shares Held

102,097

+4.8% QoQ

Ownership

0.129%

of shares outstanding

% of Portfolio

0.81%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 94.10854383576402.ToString("F0")% None 5.891456164235972.ToString("F0")%

Common Shares in IDXX Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Mar 31, 2026

Stephens Investment Management Group LLC holds $249,837,364 across 4 Diagnostics & Research names. IDXX ranks #3 (23.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MEDP	Medpace Holdings, Inc.	162,797	$78,173,491
2	ICLR	Icon PLC	599,176	$66,304,816
3	IDXX	Idexx Laboratories Inc /De This page	102,097	$57,367,283
4	ILMN	Illumina, Inc.	389,354	$47,991,774

All Filings in IDXX

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$57,367,283	102,097	+4.8%	Shares	Defined	2026-04-28
2025-12-31	$65,881,844	97,382	+1.9%	Shares	Defined	2026-02-05
2025-09-30	$61,078,522	95,601	-7.5%	Shares	Defined	2025-10-28
2025-06-30	$55,432,348	103,353	-7.2%	Shares	Defined	2025-07-30
2025-03-31	$46,787,469	111,412	+2.5%	Shares	Defined	2025-05-01
2024-12-31	$44,919,842	108,649	+3.6%	Shares	Defined	2025-01-28
2024-09-30	$52,997,578	104,900	-7.6%	Shares	Defined	2024-10-28
2024-06-30	$55,304,995	113,516	+6.1%	Shares	Defined	2024-08-06
2024-03-31	$57,743,893	106,947	+0.6%	Shares	Defined	2024-05-14
2023-12-31	$59,034,007	106,358	-3.1%	Shares	Defined	2024-02-13
2023-09-30	$47,989,507	109,748	+1.2%	Shares	Defined	2023-11-14
2023-06-30	$54,459,812	108,436	+1.8%	Shares	Defined	2023-08-15
2023-03-31	$53,247,018	106,477	-0.8%	Shares	Defined	2023-05-15
2022-12-31	$43,786,346	107,330	+0.7%	Shares	Defined	2023-02-14
2022-09-30	$34,734,189	106,612	-6.5%	Shares	Defined	2022-11-07
2022-06-30	$40,005,666	114,064	-20.2%	Shares	Defined	2022-08-03
2022-03-31	$78,214,809	142,973	+2.0%	Shares	Defined	2022-05-04
2021-12-31	$92,287,778	140,157	-13.1%	Shares	Defined	2022-02-15
2021-09-30	$100,287,594	161,260	-8.5%	Shares	Defined	2021-10-27
2021-06-30	$111,351,106	176,314	-5.8%	Shares	Defined	2021-08-09
2021-03-31	$91,606,660	187,216	-7.1%	Shares	Defined	2021-05-14
2020-12-31	$100,708,808	201,470	-10.6%	Shares	Defined	2021-02-10
2020-09-30	$88,622,718	225,440	-4.7%	Shares	Defined	2020-11-13
2020-06-30	$78,091,094	236,525	-2.0%	Shares	Defined	2020-08-24
2020-03-31	$58,452,754	241,301	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.