UBS Group
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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
-50,700
Closed -$2M – 10408
2025
Q4 		$2M Hold
50,700
– – ﹤0.01% 4983
2025
Q3 		$1.98M Sell
50,700
-75,300
-60% -$2.24M ﹤0.01% 4960
2025
Q2 		$3.26M Buy
+126,000
New +$2.83M ﹤0.01% 4313

Other funds holding ACMR

BlackRock
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
WCM Investment Management
WCM Investment Management Laguna Beach, California $43.8B AUM 42.28% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Janus Henderson Group
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.