Ameriprise
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Ameriprise’s ACM Research ACMR Stock Holding History

Ameriprise’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 		$8.35M Sell
212,247
-100,920
-32% -$5.36M ﹤0.01% 2055
2025
Q4 		$12.4M Sell
313,167
-3,337
-1% -$124K ﹤0.01% 1747
2025
Q3 		$12.4M Buy
316,504
+117,894
+59% +$3.5M ﹤0.01% 1746
2025
Q2 		$5.14M Buy
198,610
+53,957
+37% +$1.21M ﹤0.01% 2341
2025
Q1 		$3.38M Sell
144,653
-42,948
-23% -$981K ﹤0.01% 2593
2024
Q4 		$2.83M Sell
187,601
-17,138
-8% -$310K ﹤0.01% 2725
2024
Q3 		$4.16M Sell
204,739
-18,145
-8% -$348K ﹤0.01% 2498
2024
Q2 		$5.14M Sell
222,884
-84,736
-28% -$2.14M ﹤0.01% 2281
2024
Q1 		$8.97M Buy
307,620
+100,986
+49% +$2.31M ﹤0.01% 1885
2023
Q4 		$4.15M Buy
206,634
+150,434
+268% +$2.63M ﹤0.01% 2485
2023
Q3 		$1.02M Sell
56,200
-52,000
-48% -$773K ﹤0.01% 3140
2023
Q2 		$1.42M Sell
108,200
-26,750
-20% -$282K ﹤0.01% 3030
2023
Q1 		$1.58M Sell
134,950
-1,150
-0.8% -$13.3K ﹤0.01% 2941
2022
Q4 		$1.05M Buy
136,100
+72,570
+114% +$615K ﹤0.01% 3099
2022
Q3 		$792K Buy
+63,530
New +$1.03M ﹤0.01% 3220
2019
Q4 		– Sell
-299,844
Closed -$1.39M – 3705
2019
Q3 		$1.39M Buy
+299,844
New +$1.57M ﹤0.01% 2870
2019
Q1 		– Sell
-682,761
Closed -$2.48M – 3686
2018
Q4 		$2.48M Sell
682,761
-25,992
-4% -$91.3K ﹤0.01% 2547
2018
Q3 		$2.62M Sell
708,753
-245,664
-26% -$1.04M ﹤0.01% 2708
2018
Q2 		$3.43M Sell
954,417
-419,265
-31% -$1.67M ﹤0.01% 2477
2018
Q1 		$5.63M Sell
1,373,682
-123,804
-8% -$331K ﹤0.01% 2090
2017
Q4 		$2.62M Buy
+1,497,486
New +$2.97M ﹤0.01% 2518

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

Ameriprise's ACMR Position: Q1 2026 in Review

Ameriprise reduced its ACM Research (ACMR) stake by 32% in Q1 2026, selling an estimated $5.36M and leaving 212,247 shares worth $8.35M. The position accounts for ﹤0.01% of the portfolio, ranked #2055.

Ameriprise first reported a position in ACMR in Q4 2017 and has held it in 21 quarters since. The position peaked at $12.4M in Q3 2025. 300 funds tracked by Wall St. Rank hold ACMR as of Q1 2026.

  • Ameriprise held 212,247 shares of ACM Research worth $8.35M as of Q1 2026.
  • Ameriprise sold 100,920 ACM Research shares in Q1 2026, an estimated $5.36M.
  • ACM Research made up ﹤0.01% of Ameriprise's portfolio in Q1 2026, its #2055 holding.
  • Ameriprise first reported a position in ACM Research in Q4 2017 and has held it in 21 quarters since.
  • Ameriprise's ACM Research position peaked at $12.4M in Q3 2025.
  • 300 funds tracked by Wall St. Rank held ACM Research as of Q1 2026.

Based on Ameriprise's 13F filing for Q1 2026, filed 15 May 2026.