UBS Group’s ACM Research ACMR Stock Holding History

UBS Group’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 Q1	–	Sell	-53,700	Closed	-$2.12M	–	10409
2025 Q4	$2.12M	Buy	53,700 +16,900	+46%	+$630K	﹤0.01%	4931
2025 Q3	$1.44M	Buy	+36,800	New	+$1.09M	﹤0.01%	5262

Other funds holding ACMR

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

WCM Investment Management Laguna Beach, California $43.8B AUM 42.28% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

VARA

Value Aligned Research Advisors Princeton, New Jersey $20.7B AUM 292.88% 1-Year Est. Return

PCP

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

UBS Group's ACMR Position: Q1 2026 in Review

UBS Group reduced its ACM Research (ACMR) stake by 21% in Q1 2026, selling an estimated $5.64M and leaving 404,109 shares worth $15.9M. The position accounts for ﹤0.01% of the portfolio, ranked #2842.

UBS Group first reported a position in ACMR in Q4 2017 and has held it in 32 quarters since. The position peaked at $37M in Q2 2021. 300 funds tracked by Wall St. Rank hold ACMR as of Q1 2026.

UBS Group held 404,109 shares of ACM Research worth $15.9M as of Q1 2026.
UBS Group sold 106,206 ACM Research shares in Q1 2026, an estimated $5.64M.
ACM Research made up ﹤0.01% of UBS Group's portfolio in Q1 2026, its #2842 holding.
UBS Group first reported a position in ACM Research in Q4 2017 and has held it in 32 quarters since.
UBS Group's ACM Research position peaked at $37M in Q2 2021.
300 funds tracked by Wall St. Rank held ACM Research as of Q1 2026.

Based on UBS Group's 13F filing for Q1 2026, filed 5 May 2026.