BlackRock’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
$1.1B Buy
8,660,842
+675,995
+8% +$47.8M 0.02% 712
2026
Q1
$314M Buy
7,984,847
+96,367
+1% +$5.12M 0.01% 1415
2025
Q4
$311M Buy
7,888,480
+300,941
+4% +$11.2M 0.01% 1403
2025
Q3
$297M Buy
7,587,539
+3,481,447
+85% +$103M 0.01% 1421
2025
Q2
$106M Sell
4,106,092
-106,364
-3% -$2.39M ﹤0.01% 2001
2025
Q1
$98.3M Sell
4,212,456
-690,735
-14% -$15.8M ﹤0.01% 1998
2024
Q4
$74M Buy
4,903,191
+460,908
+10% +$8.33M ﹤0.01% 2238
2024
Q3
$90.2M Buy
4,442,283
+371,518
+9% +$7.12M ﹤0.01% 2150
2024
Q2
$93.9M Buy
4,070,765
+109,303
+3% +$2.77M ﹤0.01% 2062
2024
Q1
$115M Buy
3,961,462
+235,937
+6% +$5.4M ﹤0.01% 1977
2023
Q4
$72.8M Buy
3,725,525
+268,918
+8% +$4.7M ﹤0.01% 2264
2023
Q3
$62.6M Buy
3,456,607
+27,156
+0.8% +$404K ﹤0.01% 2272
2023
Q2
$44.9M Buy
3,429,451
+201,298
+6% +$2.12M ﹤0.01% 2548
2023
Q1
$37.8M Buy
3,228,153
+6,723
+0.2% +$77.8K ﹤0.01% 2636
2022
Q4
$24.8M Buy
3,221,430
+76,193
+2% +$646K ﹤0.01% 2912
2022
Q3
$39.2M Buy
3,145,237
+47,486
+2% +$772K ﹤0.01% 2632
2022
Q2
$52.1M Buy
3,097,751
+2,404,381
+347% +$37M ﹤0.01% 2467
2022
Q1
$14.3M Sell
693,370
-12,452
-2% -$313K ﹤0.01% 3379
2021
Q4
$20.1M Buy
705,822
+104,490
+17% +$3.3M ﹤0.01% 3268
2021
Q3
$22M Buy
601,332
+5,343
+0.9% +$163K ﹤0.01% 3216
2021
Q2
$20.3M Sell
595,989
-2,456,934
-80% -$67.5M ﹤0.01% 3302
2021
Q1
$82.2M Buy
3,052,923
+845,169
+38% +$27.9M ﹤0.01% 2300
2020
Q4
$59.8M Buy
2,207,754
+516,954
+31% +$13.2M ﹤0.01% 2370
2020
Q3
$38.9M Buy
1,690,800
+40,179
+2% +$1.14M ﹤0.01% 2442
2020
Q2
$34.3M Buy
1,650,621
+1,000,800
+154% +$16.4M ﹤0.01% 2476
2020
Q1
$6.41M Buy
649,821
+53,046
+9% +$572K ﹤0.01% 3227
2019
Q4
$3.67M Buy
596,775
+156,075
+35% +$768K ﹤0.01% 3588
2019
Q3
$2.04M Sell
440,700
-55,002
-11% -$289K ﹤0.01% 3750
2019
Q2
$2.58M Sell
495,702
-817,062
-62% -$4.73M ﹤0.01% 3691
2019
Q1
$6.75M Buy
1,312,764
+81,078
+7% +$309K ﹤0.01% 3296
2018
Q4
$4.47M Buy
1,231,686
+15,852
+1% +$55.7K ﹤0.01% 3429
2018
Q3
$4.49M Buy
1,215,834
+9,534
+0.8% +$40.5K ﹤0.01% 3528
2018
Q2
$4.33M Buy
+1,206,300
New +$4.82M ﹤0.01% 3539

Other funds holding ACMR

BlackRock's ACMR Position: Q2 2026 in Review

BlackRock increased its ACM Research (ACMR) stake by 8.5% in Q2 2026, buying an estimated $47.8M and bringing the position to 8,660,842 shares worth $1.1B. The position accounts for 0.02% of the portfolio, ranked #712.

BlackRock first reported a position in ACMR in Q2 2018 and has held it in 33 quarters since. 373 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

  • BlackRock held 8,660,842 shares of ACM Research worth $1.1B as of Q2 2026.
  • BlackRock bought 675,995 ACM Research shares in Q2 2026, an estimated $47.8M.
  • ACM Research made up 0.02% of BlackRock's portfolio in Q2 2026, its #712 holding.
  • BlackRock first reported a position in ACM Research in Q2 2018 and has held it in 33 quarters since.
  • 373 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.