PRINCIPAL FINANCIAL GROUP INC

Position in ACMR — ACM Research, Inc.

CIK 1126328 DES MOINES, IA

Position in ACMR

as of Jun 30, 2026 · filed Aug 4, 2026 Compact

Position Value

$47,065,150

+$33,657,662 QoQ

Shares Held

370,913

+8.9% QoQ

Ownership

0.533%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#29

of 376 holders

Holding Since

Jun 2020

11 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

PRINCIPAL FINANCIAL GROUP INC holds $4,009,356,734 across 23 Semiconductor Equipment & Materials names. ACMR ranks #10 (1.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ENTG	Entegris Inc	5,955,687	$1,071,189,862
2	LRCX	Lam Research Corp	1,924,829	$834,086,148
3	AMAT	Applied Materials Inc /De	1,008,591	$729,211,293
4	KLAC	Kla Corp	1,870,959	$564,487,038
5	AMKR	Amkor Technology, Inc.	1,970,200	$169,890,344
6	ASML	Asml Holding NV	59,642	$118,654,174
7	TER	Teradyne, Inc	181,980	$88,049,203
8	FORM	Formfactor Inc	413,690	$66,161,441

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$47,065,150	370,913	+8.9%	Shares	Defined	2026-08-04
2026-03-31	$13,407,488	340,724	-11.1%	Shares	Defined	2026-05-04
2025-12-31	$15,114,438	383,129	+13.7%	Shares	Defined	2026-02-02
2025-09-30	$13,186,535	336,993	+396.3%	Shares	Defined	2025-11-04
2025-06-30	$1,758,584	67,899	-5.9%	Shares	Defined	2025-08-08
2024-06-30	$1,664,493	72,181	+14.1%	Shares	Defined	2024-07-29
2024-03-31	$1,842,637	63,234	+182.4%	Shares	Defined	2024-04-29
2021-03-31	$1,809,211	22,394	+8.3%	Shares	Defined	2021-05-10
2020-12-31	$1,680,085	20,678	-50.6%	Shares	Defined	2021-02-23
2020-09-30	$2,893,834	41,879	+87.1%	Shares	Defined	2020-11-06
2020-06-30	$1,395,556	22,379	—	Shares	Defined	2020-08-05
No filing history on record for this holder in this stock.