Madison Asset Management, LLC

Position in WAT — Waters Corp /De/

CIK 1299351 MADISON, WI

Position in WAT

as of Mar 31, 2026 · filed May 7, 2026 Compact

Position Value

$81,194,872

-$30,157,610 QoQ

Shares Held

272,649

-7.0% QoQ

Ownership

0.278%

of shares outstanding

% of Portfolio

1.22%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2023

12 quarters on record

Voting authority Sole 95.32477535301669.ToString("F0")% Shared 0.ToString("F0")% None 4.675224646983312.ToString("F0")%

Healthcare · as of Mar 31, 2026

Madison Asset Management, LLC holds $504,054,014 across 6 Diagnostics & Research names. WAT ranks #4 (16.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LH	Labcorp Holdings Inc.	490,546	$130,882,578
2	MEDP	Medpace Holdings, Inc.	262,293	$125,950,475
3	DHR	Danaher Corp /De/	495,020	$93,855,792
4	WAT	Waters Corp /De/ This page	272,649	$81,194,872
5	A	Agilent Technologies, Inc.	607,831	$69,280,577
6	CRL	Charles River Laboratories International, Inc.	16,752	$2,889,720

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$81,194,872	272,649	-7.0%	Shares	Sole	2026-05-07
2025-12-31	$111,352,482	293,164	-4.7%	Shares	Sole	2026-02-04
2025-09-30	$92,249,438	307,693	-1.5%	Shares	Sole	2025-11-06
2025-06-30	$108,990,881	312,259	+1.0%	Shares	Sole	2025-08-11
2025-03-31	$114,005,703	309,319	+9.7%	Shares	Sole	2025-05-06
2024-12-31	$104,644,554	282,076	+9.4%	Shares	Sole	2025-02-10
2024-09-30	$92,805,194	257,871	+9.8%	Shares	Sole	2024-11-12
2024-06-30	$68,130,910	234,837	+9.6%	Shares	Sole	2024-08-09
2024-03-31	$73,778,471	214,329	+14.3%	Shares	Sole	2024-05-09
2023-12-31	$61,725,028	187,483	+27.1%	Shares	Sole	2024-02-12
2023-09-30	$40,453,927	147,529	+2.0%	Shares	Sole	2023-11-13
2023-06-30	$38,561,941	144,676	—	Shares	Sole	2023-08-01
No filing history on record for this holder in this stock.