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 Jun 30, 2026 · filed Jul 29, 2026 Compact

Position Value

$57,989,471

+$622,188 QoQ

Shares Held

110,154

+7.9% QoQ

Ownership

0.140%

of shares outstanding

% of Portfolio

0.63%

of 13F equity value

Holder Rank

#100

of 1,286 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 0% Shared 95% None 5%

Common Shares in IDXX Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Jun 30, 2026

Stephens Investment Management Group LLC holds $493,040,669 across 6 Diagnostics & Research names. IDXX ranks #5 (11.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ICLR	Icon PLC	720,261	$125,116,538
2	MEDP	Medpace Holdings, Inc.	185,522	$98,250,595
3	ILMN	Illumina, Inc.	537,926	$94,583,528
4	TWST	Twist Bioscience Corp	767,364	$78,946,408
5	IDXX	Idexx Laboratories Inc /De This page	110,154	$57,989,471
6	GH	Guardant Health, Inc.	254,310	$38,154,129

All Filings in IDXX

Export CSV

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$57,989,471	110,154	+7.9%	Shares	Defined	2026-07-29
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.