WCM INVESTMENT MANAGEMENT, LLC

Position in ACMR — ACM Research, Inc.

CIK 1061186 LAGUNA BEACH, CA

Position in ACMR

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$116,440,734

+$43,215,343 QoQ

Shares Held

917,651

-50.7% QoQ

Ownership

1.32%

of shares outstanding

% of Portfolio

0.21%

of 13F equity value

Holder Rank

#11

of 374 holders

Holding Since

Dec 2025

3 quarters on record

Voting authority Sole 98% Shared 0% None 2%

Technology · as of Jun 30, 2026

WCM INVESTMENT MANAGEMENT, LLC holds $3,015,021,278 across 4 Semiconductor Equipment & Materials names. ACMR ranks #2 (3.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ASML	Asml Holding NV	1,449,003	$2,882,704,383
2	ACMR	ACM Research, Inc. This page	917,651	$116,440,734
3	KLAC	Kla Corp	45,957	$13,865,686
4	ENTG	Entegris Inc	11,178	$2,010,475

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$116,440,734	917,651	-50.7%	Shares	Sole	2026-08-13
2026-03-31	$73,225,391	1,860,874	+16878.8%	Shares	Sole	2026-05-07
2025-12-31	$432,372	10,960	—	Shares	Sole	2026-02-09
No filing history on record for this holder in this stock.