CARDEROCK CAPITAL MANAGEMENT INC

Position in IDXX — Idexx Laboratories Inc /De

CIK 1168889 CHEVY CHASE, MD

Position in IDXX

as of Jun 30, 2026 · filed Jul 7, 2026 Compact

Position Value

$8,753,117

-$498,963 QoQ

Shares Held

16,627

+1.0% QoQ

Ownership

0.021%

of shares outstanding

% of Portfolio

1.94%

of 13F equity value

Holder Rank

#302

of 1,286 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Healthcare · as of Jun 30, 2026

CARDEROCK CAPITAL MANAGEMENT INC holds $22,203,827 across 4 Diagnostics & Research names. IDXX ranks #2 (39.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TMO	Thermo Fisher Scientific Inc.	20,860	$10,458,369
2	IDXX	Idexx Laboratories Inc /De This page	16,627	$8,753,117
3	WAT	Waters Corp /De/	7,417	$2,781,671
4	DHR	Danaher Corp /De/	1,106	$210,670

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$8,753,117	16,627	+1.0%	Shares	Sole	2026-07-07
2026-03-31	$9,252,080	16,466	-1.8%	Shares	Sole	2026-04-10
2025-12-31	$11,348,790	16,775	-1.2%	Shares	Sole	2026-01-09
2025-09-30	$10,850,907	16,984	+3.3%	Shares	Sole	2025-10-17
2025-06-30	$8,820,647	16,446	+14.0%	Shares	Sole	2025-07-10
2025-03-31	$6,059,458	14,429	+4.8%	Shares	Sole	2025-05-27
2024-12-31	$5,692,655	13,769	-5.0%	Shares	Sole	2025-01-15
2024-09-30	$7,319,122	14,487	-1.9%	Shares	Sole	2024-10-16
2024-06-30	$7,193,020	14,764	+3.3%	Shares	Sole	2024-07-22
2024-03-31	$7,716,139	14,291	-12.9%	Shares	Sole	2024-04-23
2023-12-31	$9,111,700	16,416	+35.7%	Shares	Sole	2024-01-23
2023-09-30	$5,291,404	12,101	+13.6%	Shares	Sole	2023-10-23
2023-06-30	$5,350,256	10,653	+29.1%	Shares	Sole	2023-07-25
2023-03-31	$4,125,660	8,250	+33.7%	Shares	Sole	2023-04-19
2022-12-31	$2,517,521	6,171	+14.9%	Shares	Sole	2023-01-20
2022-09-30	$1,749,546	5,370	-14.6%	Shares	Sole	2022-11-04
2022-06-30	$2,204,338	6,285	-19.3%	Shares	Sole	2022-07-21
2022-03-31	$4,262,144	7,791	-50.5%	Shares	Sole	2022-04-28
2021-12-31	$10,364,818	15,741	-0.2%	Shares	Sole	2022-01-31
2021-09-30	$9,809,850	15,774	-0.4%	Shares	Sole	2021-10-29
2021-06-30	$10,003,120	15,839	-3.0%	Shares	Sole	2021-07-30
2021-03-31	$7,993,368	16,336	-15.9%	Shares	Sole	2021-05-07
2020-12-31	$9,707,475	19,420	+0.1%	Shares	Sole	2021-02-05
2020-09-30	$7,626,334	19,400	-7.7%	Shares	Sole	2020-10-27
2020-06-30	$6,942,274	21,027	+0.8%	Shares	Sole	2020-08-04
2020-03-31	$5,051,672	20,854	—	Shares	Sole	2020-05-11
No filing history on record for this holder in this stock.