Artisan Partners Limited Partnership

Position in WAT — Waters Corp /De/

CIK 1466153 Milwaukee, WI

Position in WAT

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$159,196,732

+$17,251,223 QoQ

Shares Held

534,576

+43.0% QoQ

Ownership

0.544%

of shares outstanding

% of Portfolio

0.26%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2023

11 quarters on record

Voting authority Sole 89.4404163299512.ToString("F0")% Shared 0.ToString("F0")% None 10.559583670048786.ToString("F0")%

Healthcare · as of Mar 31, 2026

Artisan Partners Limited Partnership holds $2,677,790,131 across 9 Diagnostics & Research names. WAT ranks #5 (5.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ICLR	Icon PLC	8,278,945	$916,148,053
2	IQV	Iqvia Holdings Inc.	5,058,865	$862,738,837
3	TWST	Twist Bioscience Corp	6,367,777	$302,596,763
4	VCYT	Veracyte, Inc.	5,496,370	$177,038,077
5	WAT	Waters Corp /De/ This page	534,576	$159,196,732
6	TMO	Thermo Fisher Scientific Inc.	312,822	$153,761,397
7	GH	Guardant Health, Inc.	814,571	$75,241,923
8	RVTY	Revvity, Inc.	312,370	$27,366,735

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$159,196,732	534,576	+43.0%	Shares	Sole	2026-05-13
2025-12-31	$141,945,509	373,708	+5.3%	Shares	Sole	2026-02-17
2025-09-30	$106,402,269	354,899	-9.0%	Shares	Sole	2025-11-12
2025-06-30	$136,064,168	389,824	+121.6%	Shares	Sole	2025-08-12
2025-03-31	$64,829,251	175,894	-9.5%	Shares	Sole	2025-05-14
2024-12-31	$72,105,156	194,364	+0.1%	Shares	Sole	2025-02-12
2024-09-30	$69,913,670	194,264	-1.1%	Shares	Sole	2024-11-12
2024-06-30	$56,972,895	196,377	-0.7%	Shares	Sole	2024-08-12
2024-03-31	$68,077,334	197,767	-0.8%	Shares	Sole	2024-05-13
2023-12-31	$65,621,794	199,319	+8.5%	Shares	Sole	2024-02-12
2023-09-30	$50,368,538	183,686	—	Shares	Sole	2023-11-09
No filing history on record for this holder in this stock.