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
VARA
WA
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.