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VANGUARD GROUP INC
> ACMR
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | ACM Research, Inc. | ACMR | 3,682,981 | 1,261,216 | 48,173,392,000 | 48,143,216,000 | $13,080.00 |
| 09/30/2022 | ACM Research, Inc. | ACMR | 2,421,765 | 242,699 | 30,176,000 | -6,497,000 | $12.46 |
| 06/30/2022 | ACM Research, Inc. | ACMR | 2,179,066 | 190,522 | 36,673,000 | -4,470,000 | $16.83 |
| 03/31/2022 | ACM Research, Inc. | ACMR | 1,988,544 | 1,350,632 | 41,143,000 | -13,251,000 | $20.69 |
| 12/31/2021 | ACM Research, Inc. | ACMR | 637,912 | 9,789 | 54,394,000 | -14,700,000 | $85.27 |
| 09/30/2021 | ACM Research, Inc. | ACMR | 628,123 | 48,764 | 69,094,000 | 9,873,000 | $110.00 |
| 06/30/2021 | ACM Research, Inc. | ACMR | 579,359 | 60,409 | 59,221,000 | 17,056,000 | $102.22 |
| 12/31/2020 | ACM Research, Inc. | ACMR | 518,950 | 8,550 | 42,165,000 | 6,897,000 | $81.25 |
| 09/30/2020 | ACM Research, Inc. | ACMR | 510,400 | -449 | 35,268,000 | 3,411,000 | $69.10 |
| 06/30/2020 | ACM Research, Inc. | ACMR | 510,849 | 50,346 | 31,857,000 | 18,221,000 | $62.36 |
| 03/31/2020 | ACM Research, Inc. | ACMR | 460,503 | -2,015 | 13,636,000 | 5,102,000 | $29.61 |
| 12/31/2019 | ACM Research, Inc. | ACMR | 462,518 | -18,292 | 8,534,000 | 1,870,000 | $18.45 |
| 09/30/2019 | ACM Research, Inc. | ACMR | 480,810 | 143,560 | 6,664,000 | 1,400,000 | $13.86 |
| 06/30/2019 | ACM Research, Inc. | ACMR | 337,250 | -25,279 | 5,264,000 | -330,000 | $15.61 |
| 03/31/2019 | ACM Research, Inc. | ACMR | 362,529 | 71,813 | 5,594,000 | 2,431,000 | $15.43 |
| 12/31/2018 | ACM Research, Inc. | ACMR | 290,716 | 10,879 | 3,163,000 | 65,000 | $10.88 |
| 09/30/2018 | ACM Research, Inc. | ACMR | 279,837 | 115,563 | 3,098,000 | 1,328,000 | $11.07 |
| 06/30/2018 | ACM Research, Inc. | ACMR | 164,274 | 92,153 | 1,770,000 | 883,000 | $10.77 |
| 03/31/2018 | ACM Research, Inc. | ACMR | 72,121 | 72,121 | 887,000 | 887,000 | $12.30 |
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