Winthrop Advisory Group LLC

Position in KLAC — Kla Corp

CIK 1739043 BOSTON, MA

Position in KLAC

as of Jun 30, 2026 · filed Jul 17, 2026 Compact

Position Value

$3,210,797

+$1,689,799 QoQ

Shares Held

10,642

+3.0% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

1.02%

of 13F equity value

Holder Rank

#979

of 2,471 holders

Holding Since

Jun 2020

25 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Technology · as of Jun 30, 2026

Winthrop Advisory Group LLC holds $6,118,822 across 4 Semiconductor Equipment & Materials names. KLAC ranks #1 (52.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	KLAC	Kla Corp This page	10,642	$3,210,797
2	AMAT	Applied Materials Inc /De	2,634	$1,904,382
3	LRCX	Lam Research Corp	1,352	$585,861
4	ASML	Asml Holding NV	210	$417,782

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$3,210,797	10,642	+930.2%	Shares	Sole	2026-07-17
2026-03-31	$1,520,998	1,033	-8.3%	Shares	Sole	2026-04-13
2025-12-31	$1,260,086	1,126	+8.8%	Shares	Sole	2026-01-21
2025-09-30	$1,116,351	1,035	+0.1%	Shares	Sole	2025-10-24
2025-06-30	$926,195	1,034	+0.8%	Shares	Sole	2025-07-23
2025-03-31	$697,474	1,026	-1.9%	Shares	Sole	2025-04-08
2024-12-31	$659,105	1,046	-0.1%	Shares	Sole	2025-01-13
2024-09-30	$810,807	1,047	+0.1%	Shares	Sole	2024-10-31
2024-06-30	$862,437	1,046	+0.3%	Shares	Sole	2024-07-18
2024-03-31	$728,608	1,043	-3.6%	Shares	Sole	2024-04-17
2023-12-31	$628,966	1,082	0.0%	Shares	Sole	2024-01-10
2023-09-30	$496,270	1,082	+0.4%	Shares	Sole	2023-11-03
2023-06-30	$522,851	1,078	-0.3%	Shares	Sole	2023-08-02
2023-03-31	$431,502	1,081	+0.6%	Shares	Sole	2023-08-01
2022-12-31	$405,307	1,075	+0.2%	Shares	Sole	2023-08-03
2022-09-30	$324,721	1,073	+0.2%	Shares	Sole	2022-11-04
2022-06-30	$341,734	1,071	-3.0%	Shares	Sole	2022-07-21
2022-03-31	$404,130	1,104	+0.2%	Shares	Sole	2022-04-13
2021-12-31	$473,981	1,102	+0.1%	Shares	Sole	2022-01-12
2021-09-30	$368,295	1,101	+0.2%	Shares	Sole	2021-10-14
2021-06-30	$356,306	1,099	+0.2%	Shares	Sole	2021-07-14
2021-03-31	$362,448	1,097	-21.4%	Shares	Sole	2021-04-23
2020-12-31	$361,179	1,395	-6.1%	Shares	Sole	2021-01-25
2020-09-30	$287,703	1,485	+14.4%	Shares	Sole	2020-10-20
2020-06-30	$252,435	1,298	—	Shares	Sole	2020-07-17
No filing history on record for this holder in this stock.