ACMR · Company research
ACM Research, Inc. Class A Common Stock (ACMR): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
65records availableIndustrials
Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| Violich Capital Management, Inc. | 1326766 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5350 | 678862 | — | — | — | Jul 16, 2026 | SEC_13F_DATASET |
| Cornerstone Investment Partners, LLC | 1328062 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 14049 | 1782678 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| LEUTHOLD GROUP, LLC | 1170152 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8120 | 1030347 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| Dodge & Cox | 200217 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 116392 | 14768981 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| NEUBERGER BERMAN GROUP LLC | 1465109 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 43953 | 5378291 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MACKENZIE FINANCIAL CORP | 919859 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 268004 | 34007028 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Raiffeisen Bank International AG | 2044885 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 360000 | 42796800 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| MY.Alpha Management HK Advisors Ltd | 1910173 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 249500 | 31659055 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| AMALGAMATED BANK | 919192 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15243 | 1934 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| BRIGHT VALLEY CAPITAL Ltd | 1965546 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 118000 | 14973020 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| STRS OHIO | 820478 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16400 | 2080996 | — | — | — | Jul 30, 2026 | SEC_13F_DATASET |
| BESSEMER GROUP INC | 1054074 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 55961 | 7101 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| MetLife Investment Management, LLC | 1529735 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 31382 | 3982062 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| TRIGLAV INVESTMENTS, D.O.O. | 2056690 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2764 | 350724 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Jump Financial, LLC | 1831577 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1417 | 179803 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| JONES FINANCIAL COMPANIES LLLP | 815917 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2676 | 279642 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Steamboat Capital Partners, LLC | 1635663 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 182773 | 23192066 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| FARMERS & MERCHANTS INVESTMENTS INC | 1259969 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25 | 3172 | — | — | — | Jul 20, 2026 | SEC_13F_DATASET |
| Nuveen, LLC | 1871926 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2671 | 338924 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Police & Firemen's Retirement System of New Jersey | 2040686 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15910 | 2018820 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| LOS ANGELES CAPITAL MANAGEMENT LLC | 1177206 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 161 | 20429 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| NISA INVESTMENT ADVISORS, LLC | 937615 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1903 | 241472 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Catalyst Funds Management Pty Ltd | 1896150 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4200 | 532938 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| DNB Asset Management AS | 1456670 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2410 | 305805 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Telligent Fund, LP | 1470723 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4000 | 507560 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| NewEdge Advisors, LLC | 1633516 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1045 | 132598 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Informed Momentum Co LLC | 1510989 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 31875 | 4044619 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| DARK FOREST CAPITAL MANAGEMENT LP | 1853322 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3657 | 464037 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| NEW YORK STATE COMMON RETIREMENT FUND | 810265 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 191535 | 24303876 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| OBERWEIS ASSET MANAGEMENT INC/ | 937886 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13000 | 1649570 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Covestor Ltd | 1909846 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11 | 2 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| OREGON PUBLIC EMPLOYEES RETIREMENT FUND | 1107314 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12977 | 1646652 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| AMERIPRISE FINANCIAL INC | 820027 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7800 | 989742 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| KORNITZER CAPITAL MANAGEMENT INC /KS | 898358 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13216 | 1676978 | — | — | — | Jul 31, 2026 | SEC_13F_DATASET |
| Bank of New York Mellon Corp | 1390777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 168303 | 21355968 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Russell Investments Group, Ltd. | 1692234 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 140125 | 17780545 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| HUNTINGTON NATIONAL BANK | 49205 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 301 | 38194 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Janney Montgomery Scott LLC | 1329948 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3396 | 431 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| Bank of New Hampshire | 1870761 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1062 | 134757 | — | — | — | Jul 14, 2026 | SEC_13F_DATASET |
| KENNEDY CAPITAL MANAGEMENT LLC | 884589 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28507 | 3617253 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SPX Gestao de Recursos Ltda | 1589176 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13815 | 1752985 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| YOUSIF CAPITAL MANAGEMENT, LLC | 1858789 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15020 | 1905888 | — | — | — | Jul 16, 2026 | SEC_13F_DATASET |
| CONGRESS ASSET MANAGEMENT CO | 897378 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 223855 | 28404961 | — | — | — | Jul 7, 2026 | SEC_13F_DATASET |
| Yorktown Management & Research Co Inc | 1313559 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13300 | 1687637 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | 314969 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 28382 | 3601 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| MARSHALL WACE, LLP | 1318757 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5637 | 715278 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| SBI Securities Co., Ltd. | 1851815 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 846 | 107349 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| Golden State Wealth Management, LLC | 1776033 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 100 | 12689 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| BNP PARIBAS FINANCIAL MARKETS | 1166588 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 86340 | 10955683 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| KLP KAPITALFORVALTNING AS | 1717443 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11900 | 1509991 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| MassMutual Private Wealth & Trust, FSB | 1103653 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 91 | 11547 | — | — | — | Jul 2, 2026 | SEC_13F_DATASET |
| Pacer Advisors, Inc. | 1616667 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 262 | 33 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| LSV ASSET MANAGEMENT | 1050470 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12100 | 1535 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| WHITTIER TRUST CO | 1137881 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 50 | 4926 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| FNY Investment Advisers, LLC | 1742998 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7000 | 888 | — | — | — | Jul 8, 2026 | SEC_13F_DATASET |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO | 315297 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 5452 | 692 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 1081019 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7575587 | 59702 | — | — | — | Aug 24, 2026 | SEC_13F_DATASET |
| Westside Investment Management, Inc. | 1538383 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13 | 1650 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| GEODE CAPITAL MANAGEMENT, LLC | 1214717 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1282241 | 162740702 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Kendall Capital Management | 1731372 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 72820 | 9240130 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Ethic Inc. | 1780570 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2672 | 339050 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| Sterling Capital Management LLC | 1329883 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 189 | 23982 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| TUDOR INVESTMENT CORP ET AL | 923093 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3900 | 494871 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| NewEdge Advisors, LLC | 1633516 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1087 | 42775 | — | — | — | Jun 3, 2026 | SEC_13F_DATASET |
| AMERIPRISE FINANCIAL INC | 820027 | Tue Mar 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 148374 | 5838517 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.