CARDEROCK CAPITAL MANAGEMENT INC

Position in WAT — Waters Corp /De/

CIK 1168889 CHEVY CHASE, MD

Position in WAT

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

Position Value

$2,781,671

+$2,731,649 QoQ

Shares Held

7,417

+5197.9% QoQ

Ownership

0.008%

of shares outstanding

% of Portfolio

0.62%

of 13F equity value

Holder Rank

#346

of 1,173 holders

Holding Since

Sep 2021

2 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. WAT ranks #3 (12.5% 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	16,627	$8,753,117
3	WAT	Waters Corp /De/ This page	7,417	$2,781,671
4	DHR	Danaher Corp /De/	1,106	$210,670

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,781,671	7,417	+5197.9%	Shares	Sole	2026-07-07
2021-09-30	$50,022	140	—	Shares	Sole	2021-10-29
No filing history on record for this holder in this stock.