GUYASUTA INVESTMENT ADVISORS INC

Position in WAT — Waters Corp /De/

CIK 928568 PITTSBURGH, PA

Position in WAT

as of Jun 30, 2026 · filed Jul 20, 2026 Compact

Position Value

$703,575

-$20,376 QoQ

Shares Held

1,876

-22.8% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

#551

of 1,173 holders

Holding Since

Mar 2026

2 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

GUYASUTA INVESTMENT ADVISORS INC holds $60,978,057 across 5 Diagnostics & Research names. WAT ranks #4 (1.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TMO	Thermo Fisher Scientific Inc.	115,679	$57,996,823
2	GH	Guardant Health, Inc.	7,000	$1,050,210
3	MTD	Mettler Toledo International Inc/	689	$880,204
4	WAT	Waters Corp /De/ This page	1,876	$703,575
5	DHR	Danaher Corp /De/	1,823	$347,245

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$703,575	1,876	-22.8%	Shares	Sole	2026-07-20
2026-03-31	$723,951	2,431	—	Shares	Sole	2026-04-17
No filing history on record for this holder in this stock.