ACM Research, Inc. (ACMR)
Largest Insider Buys in Sector
ACMR Stock Price History Chart
ACMR Stock Performance
About ACM Research, Inc.
ACM Research, Inc., together with its subsidiaries, develops, manufactures, and sells single-wafer wet cleaning equipment for enhancing the manufacturing process and yield for integrated chips worldwide. It offers space alternated phase shift technology for flat and patterned wafer surfaces, which employs alternating phases of megasonic waves to deliver megasonic energy in a uniform manner on a microscopic level; timely energized bubble oscillation technology for patterned wafer surfaces at advanced process nodes, which provides cleaning for 2D and 3D patterned wafers; Tahoe technology for delivering cleaning performance using less sulfuric acid and hydrogen peroxide; and electro-chemical plating technology for advanced metal plating. The company markets and sells its products under the Ultra C brand name through direct sales force and third-party representatives. ACM Research, Inc. was incorporated in 1998 and is headquartered in Fremont, California.
Insider Activity of ACM Research, Inc.
Over the last 12 months, insiders at ACM Research, Inc. have bought $0 and sold $67.65M worth of ACM Research, Inc. stock.
On average, over the past 5 years, insiders at ACM Research, Inc. have bought $0 and sold $26.63M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
List of Insider Buy and Sell Transactions, ACM Research, Inc.
| 2024-11-29 | Sale | director | 19,058 0.0309% | $17.43 | $332,181 | -9.28% | ||
| 2024-11-29 | Sale | See Remarks | 56,250 0.0911% | $17.44 | $981,000 | -9.28% | ||
| 2024-11-26 | Sale | See Remarks | 56,250 0.0936% | $17.89 | $1.01M | -10.02% | ||
| 2024-11-22 | Sale | director | 15,000 0.0243% | $19.12 | $286,800 | -16.66% | ||
| 2024-11-22 | Sale | See Remarks | 56,250 0.0911% | $19.08 | $1.07M | -16.66% | ||
| 2024-10-08 | Sale | director | 90,396 0.1584% | $21.13 | $1.91M | -18.52% | ||
| 2024-10-08 | Sale | Possible member of 10% group | 90,396 0.1584% | $21.13 | $1.91M | -18.52% | ||
| 2024-10-07 | Sale | director | 275,000 0.549% | $24.08 | $6.62M | -24.32% | ||
| 2024-10-07 | Sale | Possible member of 10% group | 275,000 0.549% | $24.07 | $6.62M | -24.32% | ||
| 2024-10-04 | Sale | director | 700,000 1.2426% | $21.41 | $14.99M | -18.90% | ||
| 2024-10-04 | Sale | Possible member of 10% group | 700,000 1.2429% | $21.41 | $14.99M | -18.90% | ||
| 2024-10-04 | Sale | See Remarks | 16,516 0.0301% | $22.00 | $363,352 | -18.90% | ||
| 2024-10-02 | Sale | director | 26,300 0.0436% | $20.01 | $526,263 | -5.23% | ||
| 2024-10-02 | Sale | Possible member of 10% group | 26,300 0.0436% | $20.01 | $526,263 | -5.23% | ||
| 2024-10-01 | Sale | director | 8,304 0.0139% | $20.19 | $167,658 | -3.68% | ||
| 2024-10-01 | Sale | Possible member of 10% group | 8,304 0.0139% | $20.19 | $167,658 | -3.68% | ||
| 2024-08-29 | Sale | director | 19,097 0.0311% | $18.08 | $345,274 | -1.69% | ||
| 2024-08-22 | Sale | director | 15,000 0.0248% | $19.85 | $297,750 | -7.75% | ||
| 2024-06-11 | Sale | See remarks | 30,000 0.0487% | $23.02 | $690,576 | -18.90% | ||
| 2024-06-10 | Sale | See remarks | 30,000 0.0459% | $22.07 | $662,100 | -20.24% |
Institutional Investor Ownership
| The Vanguard Group | $116.08M | 6.42 | 3.98M | -1.82% | -$2.15M | <0.01 | |
| BlackRock | $115.44M | 6.39 | 3.96M | +6.33% | +$6.88M | <0.01 | |
| Invesco | $36.89M | 2.04 | 1.27M | +1,150.39% | +$33.94M | 0.01 | |
| JPMorgan Chase | $32.77M | 1.81 | 1.12M | +44.54% | +$10.1M | <0.01 | |
| Geode Capital Management | $31.42M | 1.74 | 1.08M | +3.68% | +$1.12M | <0.01 | |
| State Street | $31.04M | 1.72 | 1.07M | +1.97% | +$599,788.62 | <0.01 | |
| Morgan Stanley | $28.02M | 1.55 | 961,647 | +63.45% | +$10.88M | <0.01 | |
| Nuveen | $25.46M | 1.41 | 873,878 | +507.32% | +$21.27M | 0.01 | |
| Fuller & Thaler Asset Management, Inc. | $25.34M | 1.4 | 869,645 | New | +$25.34M | 0.11 | |
| Voloridge Investment Management, LLC | $24.51M | 1.36 | 841,095 | +26.44% | +$5.13M | 0.09 | |
| Bank of America | $23.63M | 1.31 | 810,742 | -58.54% | -$33.36M | <0.01 | |
| Pertento Partners Llp | $23.17M | 1.28 | 795,295 | -26.7% | -$8.44M | 4.7 | |
| Steamboat Capital Partners | $20.4M | 1.13 | 700,000 | New | +$20.4M | 7.03 | |
| Goldman Sachs | $18.16M | 1.01 | 623,057 | -10.09% | -$2.04M | <0.01 | |
| Citigroup | $17.32M | 0.96 | 594,273 | -65.78% | -$33.29M | 0.01 | |
| Portolan Capital Management | $15.69M | 0.87 | 538,433 | -32.65% | -$7.61M | 1.21 | |
| Yiheng Capital Llc | $14.02M | 0.78 | 481,291 | -6.13% | -$915,258.28 | 2.04 | |
| Northern Trust | $13.49M | 0.75 | 462,772 | -1.02% | -$139,114.36 | <0.01 | |
| Oberweis Asset Management Inc | $12.85M | 0.71 | 441,130 | +12.13% | +$1.39M | 0.93 | |
| Two Sigma | $12.78M | 0.71 | 438,565 | +426.49% | +$10.35M | 0.02 | |
| UBS | $11.97M | 0.66 | 410,908 | -26.66% | -$4.35M | <0.01 | |
| Yong Rong Hk Asset Management Ltd | $11.74M | 0.65 | 402,770 | +15.08% | +$1.54M | 3.13 | |
| Point72 Hong Kong Ltd | $11.42M | 0.63 | 392,022 | -21.04% | -$3.04M | 0.58 | |
| Charles Schwab | $11.04M | 0.61 | 378,983 | +0.63% | +$68,595.56 | <0.01 | |
| Allspring Global Investments | $10.9M | 0.6 | 374,069 | -20.95% | -$2.89M | 0.02 | |
| Panview Asian Equity Master Fund | $10.72M | 0.59 | 367,753 | -65.23% | -$20.11M | 3.36 | |
| Matthews International Capital Management Llc | $10.62M | 0.59 | 364,344 | -47.26% | -$9.51M | 0.05 | |
| Ameriprise Financial | $8.97M | 0.5 | 307,620 | +48.87% | +$2.94M | <0.01 | |
| Russell Investments Group Ltd | $8.76M | 0.49 | 300,635 | +4.37% | +$366,960.02 | 0.01 | |
| Citadel Advisors LLC | $8.15M | 0.45 | 279,821 | +185.55% | +$5.3M | 0.01 | |
| Susquehanna International Group | $7.28M | 0.4 | 249,935 | +142.21% | +$4.28M | 0.01 | |
| Raymond James Financial Services Advisors Inc | $7.15M | 0.4 | 245,484 | +544.57% | +$6.04M | 0.01 | |
| Osterweis Capital Management | $7.09M | 0.39 | 243,186 | -33.03% | -$3.5M | 0.24 | |
| Millennium Management LLC | $7.02M | 0.39 | 240,743 | +306.57% | +$5.29M | 0.01 | |
| BNY Mellon | $6.32M | 0.35 | 217,030 | -7.14% | -$486,433.31 | <0.01 | |
| D. E. Shaw & Co. | $5.65M | 0.31 | 193,801 | New | +$5.65M | 0.01 | |
| Jane Street Capital | $5.62M | 0.31 | 192,699 | +237.53% | +$3.95M | 0.01 | |
| Deutsche Bank | $5.22M | 0.29 | 179,286 | -0.69% | -$36,512.42 | <0.01 | |
| Hussman Strategic Advisors Inc | $4.59M | 0.25 | 157,500 | +0.32% | +$14,570.00 | 1.08 | |
| Franklin Templeton Investments | $4.53M | 0.25 | 155,585 | +611.6% | +$3.9M | <0.01 | |
| Cubist Systematic Strategies | $4.48M | 0.25 | 153,907 | New | +$4.48M | 0.04 | |
| Point72 Asset Management | $4.24M | 0.24 | 145,500 | +347.31% | +$3.29M | 0.01 | |
| Renaissance Technologies | $4.25M | 0.24 | 145,800 | New | +$4.25M | 0.01 | |
| State of Wisconsin Investment Board | $4.01M | 0.22 | 137,588 | New | +$4.01M | 0.01 | |
| First Trust | $3.86M | 0.21 | 132,313 | +3.12% | +$116,589.12 | <0.01 | |
| ClariVest Asset Management LLC | $3.79M | 0.21 | 129,950 | +91.57% | +$1.81M | 0.4 | |
| AQR Capital | $3.73M | 0.21 | 128,104 | -35.17% | -$2.02M | 0.01 | |
| Janus Henderson | $3.72M | 0.21 | 127,519 | +6.44% | +$224,735.61 | <0.01 | |
| Two Sigma Advisers LP | $3.58M | 0.2 | 122,700 | New | +$3.58M | 0.01 | |
| Qube Research & Technologies | $3.13M | 0.17 | 107,339 | New | +$3.13M | <0.01 |