Capital World Investors’s ACM Research ACMR Stock Holding History

Capital World Investors’s Portfolio ACMR Stock Details ACMR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$304M	Buy	+2,398,036	New	+$170M	0.04%	275

Other funds holding ACMR

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

WFM Asia Road Town, Tortola, British Virgin Islands $663M AUM 15.46% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

PCP

Polunin Capital Partners London, United Kingdom $407M AUM 55.12% 1-Year Est. Return

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Capital World Investors's ACMR Position: Q2 2026 in Review

Capital World Investors opened a new position in ACM Research (ACMR) in Q2 2026: 2,398,036 shares worth $304M. The stake represents 0.04% of the portfolio and ranks #275 among its holdings.

263 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

Capital World Investors held 2,398,036 shares of ACM Research worth $304M as of Q2 2026.
ACM Research was a new Capital World Investors position in Q2 2026.
ACM Research made up 0.04% of Capital World Investors's portfolio in Q2 2026, its #275 holding.
263 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

Based on Capital World Investors's 13F filing for Q2 2026, filed 12 Aug 2026.