GUYASUTA INVESTMENT ADVISORS INC

Position in KLAC — Kla Corp

CIK 928568 PITTSBURGH, PA

Position in KLAC

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

Position Value

$977,540

+$500,480 QoQ

Shares Held

3,240

0.0% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.06%

of 13F equity value

Holder Rank

#1,443

of 2,471 holders

Holding Since

Jun 2023

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

GUYASUTA INVESTMENT ADVISORS INC holds $139,672,354 across 5 Semiconductor Equipment & Materials names. KLAC ranks #4 (0.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AMAT	Applied Materials Inc /De	109,153	$78,917,619
2	ASML	Asml Holding NV	26,829	$53,374,683
3	LRCX	Lam Research Corp	13,790	$5,975,620
4	KLAC	Kla Corp This page	3,240	$977,540
5	Q	Qnity Electronics, Inc.	2,614	$426,892

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$977,540	3,240	+900.0%	Shares	Sole	2026-07-20
2026-03-31	$477,060	324	0.0%	Shares	Sole	2026-04-17
2025-12-31	$393,685	324	0.0%	Shares	Sole	2026-01-23
2025-09-30	$349,466	324	0.0%	Shares	Sole	2025-10-21
2025-06-30	$290,219	324	-12.9%	Shares	Sole	2025-07-17
2025-03-31	$252,885	372	-2.4%	Shares	Sole	2025-04-22
2024-12-31	$240,075	381	-2.6%	Shares	Sole	2025-01-30
2024-09-30	$302,794	391	-8.0%	Shares	Sole	2024-11-13
2024-06-30	$350,416	425	0.0%	Shares	Sole	2024-07-22
2024-03-31	$296,892	425	0.0%	Shares	Sole	2024-04-16
2023-12-31	$247,052	425	0.0%	Shares	Sole	2024-02-05
2023-06-30	$206,133	425	—	Shares	Sole	2023-07-17
No filing history on record for this holder in this stock.