CHICAGO TRUST Co NA

Bank

Position in LRCX — Lam Research Corp

CIK 1601539 GRAYSLAKE, IL

Position in LRCX

as of Jun 30, 2026 · filed Jul 16, 2026 Compact

Position Value

$12,944,433

+$6,217,135 QoQ

Shares Held

29,872

-5.1% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

2.25%

of 13F equity value

Holder Rank

#758

of 3,103 holders

Holding Since

Sep 2020

17 quarters on record

Voting authority Sole 88% Shared 7% None 5%

Technology · as of Jun 30, 2026

CHICAGO TRUST Co NA holds $18,969,541 across 5 Semiconductor Equipment & Materials names. LRCX ranks #1 (68.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LRCX	Lam Research Corp This page	29,872	$12,944,433
2	AMAT	Applied Materials Inc /De	4,797	$3,468,231
3	Q	Qnity Electronics, Inc.	10,037	$1,639,141
4	ASML	Asml Holding NV	296	$588,873
5	KLAC	Kla Corp	1,090	$328,863

17 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$12,944,433	29,872	-5.1%	Shares	Sole	2026-07-16
2026-03-31	$6,727,298	31,486	-4.9%	Shares	Sole	2026-04-24
2025-12-31	$5,669,823	33,122	+0.1%	Shares	Sole	2026-02-17
2025-09-30	$4,432,089	33,100	+8.6%	Shares	Sole	2025-10-10
2025-06-30	$2,965,559	30,466	+5.7%	Shares	Sole	2025-07-14
2025-03-31	$2,094,777	28,814	-6.8%	Shares	Sole	2025-04-14
2024-12-31	$2,232,339	30,906	+864.6%	Shares	Sole	2025-01-13
2024-09-30	$2,614,719	3,204	+17.9%	Shares	Sole	2024-10-10
2024-06-30	$2,894,261	2,718	+19.8%	Shares	Sole	2024-07-11
2024-03-31	$2,203,520	2,268	+6.0%	Shares	Sole	2024-04-12
2023-12-31	$1,676,175	2,140	+13.3%	Shares	Sole	2024-01-16
2023-09-30	$1,183,341	1,888	-2.4%	Shares	Sole	2023-10-27
2023-06-30	$1,243,290	1,934	-12.3%	Shares	Sole	2023-07-19
2023-03-31	$1,169,443	2,206	+4.2%	Shares	Sole	2023-04-11
2022-12-31	$889,774	2,117	+3.0%	Shares	Sole	2023-01-12
2022-09-30	$752,496	2,056	+217.3%	Shares	Sole	2022-10-13
2020-09-30	$214,973	648	—	Shares	Sole	2020-10-08
No filing history on record for this holder in this stock.