UBS AM’s ACM Research ACMR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$18.6M Buy
146,414
+54,171
+59% +$3.83M ﹤0.01% 968
2026
Q1
$3.63M Buy
92,243
+6,327
+7% +$336K ﹤0.01% 1735
2025
Q4
$3.39M Buy
85,916
+13,249
+18% +$494K ﹤0.01% 1648
2025
Q3
$2.84M Sell
72,667
-469,070
-87% -$13.9M ﹤0.01% 1616
2025
Q2
$14M Sell
541,737
-174,823
-24% -$3.93M ﹤0.01% 1190
2025
Q1
$16.7M Sell
716,560
-458,160
-39% -$10.5M ﹤0.01% 1029
2024
Q4
$17.7M Buy
1,174,720
+1,097,358
+1,418% +$19.8M ﹤0.01% 1008
2024
Q3
$1.57M Sell
77,362
-10,491
-12% -$201K ﹤0.01% 2171
2024
Q2
$2.03M Buy
87,853
+33,109
+60% +$838K ﹤0.01% 1991
2024
Q1
$1.6M Hold
54,744
﹤0.01% 1784
2023
Q4
$1.07M Sell
54,744
-8,591
-14% -$150K ﹤0.01% 1986
2023
Q3
$1.15M Buy
63,335
+4,019
+7% +$59.8K ﹤0.01% 1884
2023
Q2
$694K Hold
59,316
﹤0.01% 2176
2023
Q1
$694K Buy
59,316
+26,100
+79% +$302K ﹤0.01% 2176
2022
Q4
$256K Hold
33,216
﹤0.01% 2375
2022
Q3
$414K Buy
33,216
+4,428
+15% +$72K ﹤0.01% 2409
2022
Q2
$485K Hold
28,788
﹤0.01% 2329
2022
Q1
$596K Hold
28,788
﹤0.01% 2394
2021
Q4
$818K Sell
28,788
-984
-3% -$31.1K ﹤0.01% 2314
2021
Q3
$1.09M Buy
29,772
+516
+2% +$15.8K ﹤0.01% 2117
2021
Q2
$997K Buy
29,256
+2,454
+9% +$67.4K ﹤0.01% 2217
2021
Q1
$722K Buy
26,802
+600
+2% +$19.8K ﹤0.01% 2234
2020
Q4
$710K Sell
26,202
-3,000
-10% -$76.8K ﹤0.01% 2151
2020
Q3
$673K Sell
29,202
-343,761
-92% -$9.76M ﹤0.01% 2005
2020
Q2
$7.75M Sell
372,963
-44,262
-11% -$726K ﹤0.01% 988
2020
Q1
$4.12M Buy
+417,225
New +$4.5M ﹤0.01% 1113

Other funds holding ACMR

UBS AM's ACMR Position: Q2 2026 in Review

UBS AM increased its ACM Research (ACMR) stake by 59% in Q2 2026, buying an estimated $3.83M and bringing the position to 146,414 shares worth $18.6M. The position accounts for ﹤0.01% of the portfolio, ranked #968.

UBS AM first reported a position in ACMR in Q1 2020 and has held it in 26 quarters since. 376 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

  • UBS AM held 146,414 shares of ACM Research worth $18.6M as of Q2 2026.
  • UBS AM bought 54,171 ACM Research shares in Q2 2026, an estimated $3.83M.
  • ACM Research made up ﹤0.01% of UBS AM's portfolio in Q2 2026, its #968 holding.
  • UBS AM first reported a position in ACM Research in Q1 2020 and has held it in 26 quarters since.
  • 376 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

Based on UBS AM's 13F filing for Q2 2026, filed 13 Aug 2026.