FOX RUN MANAGEMENT, L.L.C.

Position in IDXX — Idexx Laboratories Inc /De

CIK 1533457 GREENWICH, CT

Position in IDXX

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$954,089

+$381,069 QoQ

Shares Held

1,698

+100.5% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.17%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2021

11 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Mar 31, 2026

FOX RUN MANAGEMENT, L.L.C. holds $3,401,538 across 5 Diagnostics & Research names. IDXX ranks #1 (28.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	IDXX	Idexx Laboratories Inc /De This page	1,698	$954,089
2	LH	Labcorp Holdings Inc.	3,456	$922,095
3	CSTL	Castle Biosciences Inc	26,247	$644,363
4	NTRA	Natera, Inc.	2,705	$540,972
5	QGEN	Qiagen N.V.	8,492	$340,019

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$954,089	1,698	+100.5%	Shares	Sole	2026-05-12
2025-12-31	$573,020	847	-59.2%	Shares	Sole	2026-02-11
2025-09-30	$1,325,057	2,074	-20.9%	Shares	Sole	2025-11-12
2025-06-30	$1,406,283	2,622	+185.0%	Shares	Sole	2025-08-06
2024-09-30	$464,802	920	-46.0%	Shares	Sole	2024-11-12
2024-06-30	$829,701	1,703	+271.0%	Shares	Sole	2024-08-13
2023-12-31	$254,767	459	-57.5%	Shares	Sole	2024-02-13
2023-06-30	$541,906	1,079	-14.7%	Shares	Sole	2023-08-11
2023-03-31	$632,601	1,265	-24.3%	Shares	Sole	2023-05-12
2022-06-30	$586,420	1,672	+63.0%	Shares	Sole	2022-08-12
2021-06-30	$647,970	1,026	—	Shares	Sole	2021-08-05
No filing history on record for this holder in this stock.