ACM Research, Inc. hedge fund holdings
ACMRNASDAQ$83.38-0.20 (-0.24% today)
Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.
Price vs funds buying and selling
ACMR · close · 13FReported Aug 14, 2026Price vs funds buying and selling data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+92.5%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.Price and fund activity data
| Quarter | Funds buying | Funds selling | Bought | Sold | Filers | Reported |
|---|---|---|---|---|---|---|
| Q2 2025 | 102 | 101 | $181M | $168M | 223 | Aug 14, 2025 |
| Q3 2025 | 110 | 98 | $431M | $332M | 241 | Nov 14, 2025 |
| Q4 2025 | 108 | 96 | $359M | $229M | 263 | Feb 14, 2026 |
| Q1 2026 | 112 | 113 | $373M | $414M | 287 | May 15, 2026 |
| Q2 2026 | 191 | 102 | $1.54B | $992M | 355 | Aug 14, 2026 |
Quarterly action breakdown
Q2 2026
355 filersNew position
98$742M+5.85M sh
Increased
93$800M+6.3M sh
Reduced
75-$844M-6.65M sh
Out / sold
27-$148M-1.16M sh
Last 4 quarters · free
Reported Aug 14, 2026
| Fund | Action | Change in dollar | Value | % of portfolio | Reported |
|---|---|---|---|---|---|
| Capital World Investors | New Buy | +$304M | $304M | 0.04% | Aug 12, 2026 |
| WFM ASIA (BVI) Ltd | New Buy | +$123M | $123M | 18.56% | Aug 11, 2026 |
| WCM Investment Management, LLC | Reduce 50.69% | -$112M | $109M | 0.20% | Aug 13, 2026 |
| Longaeva Partners L.P. | Reduce 97.50% | -$87.6M | $2.25M | 0.05% | Aug 14, 2026 |
| Southeastern Asset Management Inc | Reduce 82.18% | -$81.6M | $17.7M | 0.92% | Aug 14, 2026 |
| Capital International Investors | New Buy | +$79.1M | $79.1M | 0.02% | Aug 12, 2026 |
| Gilder Gagnon Howe & Co LLC | Added 794.18% | +$71.8M | $80.8M | 0.83% | Aug 14, 2026 |
| LSV Asset Management | Reduce 97.78% | -$67.6M | $1.54M | 0.00% | Aug 6, 2026 |
| Cederberg Capital Ltd | Reduce 57.50% | -$43.7M | $32.3M | 32.20% | Aug 14, 2026 |
| MY.Alpha Management HK Advisors Ltd | New Buy | +$31.7M | $31.7M | 12.19% | Aug 14, 2026 |
| Wexford Capital LP | Reduce 40.69% | -$30.9M | $45.1M | 5.77% | Aug 14, 2026 |
| 12 West Capital Management LP | Added 3588.52% | +$27.8M | $28.6M | 5.34% | Aug 14, 2026 |
| Oxbow Capital Management (HK) Ltd | Sell 100% | -$23.5M | $0 | 0.00% | Aug 14, 2026 |
| Wellington Management Group LLP | New Buy | +$22.2M | $22.2M | 0.00% | Aug 14, 2026 |
| Kerrisdale Advisers, LLC | Reduce 72.04% | -$20.5M | $7.94M | 1.99% | Aug 14, 2026 |
| Tidal Investments LLC | Added 50.07% | +$19.9M | $59.8M | 0.10% | Aug 13, 2026 |
| Nomura Asset Management International Inc. | Added 907.87% | +$19.4M | $21.5M | 0.03% | Aug 14, 2026 |
| BRIGHT VALLEY CAPITAL Ltd | New Buy | +$15M | $15M | 2.39% | Aug 13, 2026 |
| Congress Asset Management Co | Reduce 34.13% | -$14.7M | $28.4M | 0.17% | Jul 7, 2026 |
| Mitsubishi UFJ Trust & Banking Corp | Reduce 24.60% | -$14.5M | $44.6M | 0.10% | Aug 6, 2026 |
| Penn Capital Management Company, LLC | Reduce 28.15% | -$14.2M | $36.3M | 2.30% | Jul 30, 2026 |
| Storebrand Asset Management As | Reduce 55.27% | -$12.6M | $10.2M | 0.03% | Aug 12, 2026 |
| Value Aligned Research Advisors, LLC | Added 10.25% | +$12.4M | $134M | 0.33% | Aug 17, 2026 |
| Portolan Capital Management, LLC | Added 113.12% | +$11.9M | $22.5M | 0.84% | Aug 14, 2026 |
| Kennedy Capital Management LLC | Reduce 72.45% | -$9.51M | $3.62M | 0.06% | Aug 14, 2026 |
| First Trust Advisors LP | Reduce 18.17% | -$8.62M | $38.8M | 0.02% | Aug 11, 2026 |
| Atika Capital Management LLC | New Buy | +$7.99M | $7.99M | 0.53% | Aug 13, 2026 |
| Aperture Investors, LLC | Added 244.51% | +$6.36M | $8.95M | 0.81% | Aug 14, 2026 |
| CenterBook Partners LP | New Buy | +$5.26M | $5.26M | 0.26% | Aug 11, 2026 |
| Horiko Capital Management LLC | Added 61.56% | +$5.16M | $13.5M | 2.38% | Aug 13, 2026 |
| Steamboat Capital Partners, LLC | Reduce 18.18% | -$5.15M | $23.2M | 4.96% | Aug 14, 2026 |
| Kultura Capital Management LP | New Buy | +$4.79M | $4.79M | 0.87% | Aug 14, 2026 |
| Soros Fund Management LLC | New Buy | +$3.82M | $3.82M | 0.05% | Aug 14, 2026 |
| Nearwater Capital Markets, Ltd | Sell 100% | -$3.71M | $0 | 0.00% | Aug 14, 2026 |
| Segall Bryant & Hamill, LLC | Sell 100% | -$3.46M | $0 | 0.00% | Aug 12, 2026 |
| Tekne Capital Management, LLC | Added 3.15% | +$2.85M | $93.6M | 30.62% | Aug 13, 2026 |
| Capital Fund Management S.A. | New Buy | +$2.59M | $2.59M | 0.01% | Aug 13, 2026 |
| Hussman Strategic Advisors, Inc. | Sell 100% | -$2.48M | $0 | 0.00% | Aug 3, 2026 |
| Credit Agricole S A | New Buy | +$2.41M | $2.41M | 0.00% | Aug 14, 2026 |
| State of New Jersey Common Pension Fund D | Reduce 51.52% | -$2.25M | $2.12M | 0.01% | Aug 4, 2026 |
| Healthcare of Ontario Pension Plan Trust Fund | Added 30.85% | +$2.24M | $9.49M | 0.01% | Aug 13, 2026 |
| Voleon Capital Management LP | New Buy | +$2.24M | $2.24M | 0.04% | Aug 14, 2026 |
| Guggenheim Capital LLC | Added 88.01% | +$2.23M | $4.76M | 0.03% | Aug 12, 2026 |
| Catalyst Funds Management Pty Ltd | Reduce 80.28% | -$2.17M | $533K | 0.03% | Aug 10, 2026 |
| Capstone Capital Management Ltd | New Buy | +$2.11M | $2.11M | 0.94% | Jul 20, 2026 |
| SPX Gestao de Recursos Ltda | New Buy | +$1.75M | $1.75M | 0.20% | Aug 19, 2026 |
| FACT Capital, LP | New Buy | +$1.68M | $1.68M | 0.94% | Aug 14, 2026 |
| Kornitzer Capital Management Inc | New Buy | +$1.68M | $1.68M | 0.04% | Jul 31, 2026 |
| South Dakota Investment Council | New Buy | +$1.67M | $1.67M | 0.03% | Aug 11, 2026 |
| Jain Global LLC | New Buy | +$1.54M | $1.54M | 0.01% | Aug 14, 2026 |
| Polunin Capital Partners Ltd | Reduce 1.94% | -$1.53M | $77.1M | 18.92% | Jul 15, 2026 |
| Kendall Capital Management | Reduce 12.40% | -$1.31M | $9.24M | 1.54% | Aug 12, 2026 |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | Added 41.52% | +$1.23M | $4.21M | 0.06% | Jul 15, 2026 |
| Banco Bilbao Vizcaya Argentaria, S.A. | New Buy | +$1.22M | $1.22M | 0.01% | Aug 12, 2026 |
| Capelight Capital Asset Management LP | Sell 100% | -$1.18M | $0 | 0.00% | Jul 15, 2026 |
| IQ EQ FUND MANAGEMENT (SINGAPORE) PRIVATE Ltd | Sell 100% | -$1.02M | $0 | 0.00% | Aug 13, 2026 |
| Corsair Capital Management, L.P. | New Buy | +$1.02M | $1.02M | 0.13% | Aug 14, 2026 |
| GTS Securities LLC | New Buy | +$990K | $990K | 0.02% | Aug 14, 2026 |
| State of Alaska, Department of Revenue | Reduce 26.65% | -$952K | $2.62M | 0.03% | Jul 20, 2026 |
| Illumine Investment Management, LLC | Reduce 100.00% | -$862K | $2.97M | 1.94% | Jul 29, 2026 |
| Grantham, Mayo, Van Otterloo & Co. LLC | Reduce 63.53% | -$821K | $471K | 0.00% | Aug 13, 2026 |
| Matthews International Capital Management LLC | Reduce 4.62% | -$815K | $16.8M | 5.76% | Jul 31, 2026 |
| Public Employees Retirement Association of Colorado | New Buy | +$692K | $692K | 0.00% | Aug 11, 2026 |
| Public Sector Pension Investment Board | Added 2.83% | +$683K | $24.9M | 0.06% | Aug 13, 2026 |
| Victory Financial Group, LLC | New Buy | +$676K | $676K | 0.07% | Jul 29, 2026 |
| Maverick Capital Ltd | New Buy | +$674K | $674K | 0.01% | Aug 14, 2026 |
| Xponance LLC | New Buy | +$670K | $670K | 0.00% | Aug 10, 2026 |
| NorthCrest Asset Manangement, LLC | Reduce 18.52% | -$656K | $2.89M | 0.07% | Jul 15, 2026 |
| Summit Global Investments | Added 60.17% | +$656K | $1.75M | 0.10% | Aug 3, 2026 |
| Birchcreek Wealth Management, LLC | New Buy | +$634K | $634K | 0.25% | Aug 6, 2026 |
| Handelsbanken Fonder AB | Added 31.45% | +$634K | $2.65M | 0.01% | Jul 10, 2026 |
| Massar Capital Management, LP | New Buy | +$628K | $628K | 0.06% | Aug 14, 2026 |
| Bailard, Inc. | Reduce 38.41% | -$613K | $982K | 0.02% | Jul 30, 2026 |
| Thompson Siegel & Walmsley LLC | Added 4.64% | +$595K | $13.4M | 0.24% | Aug 11, 2026 |
| LGT Fund Management Co Ltd. | New Buy | +$581K | $581K | 0.02% | Aug 10, 2026 |
| Graham Capital Management, L.P. | New Buy | +$571K | $571K | 0.01% | Aug 14, 2026 |
| QP Wealth Management, LLC | New Buy | +$568K | $568K | 0.81% | Jul 20, 2026 |
| Oasis Management Co Ltd. | Added 1.64% | +$563K | $34.8M | 1.86% | Aug 14, 2026 |
| FCG Investment Co | Reduce 35.16% | -$559K | $1.03M | 0.36% | Jul 13, 2026 |
| Harvest Investment Services, LLC | Sell 100% | -$558K | $0 | 0.00% | Aug 14, 2026 |
| Vontobel Holding Ltd. | Sell 100% | -$557K | $0 | 0.00% | Aug 3, 2026 |
| ProCore Advisors, LLC | New Buy | +$534K | $534K | 0.66% | Jul 28, 2026 |
| Axq Capital, LP | New Buy | +$519K | $519K | 0.06% | Aug 6, 2026 |
| Odyssean, LLC | Added 26.71% | +$513K | $2.43M | 0.40% | Aug 14, 2026 |
| Telligent Fund, LP | New Buy | +$508K | $508K | 0.37% | Aug 11, 2026 |
| Teza Capital Management LLC | New Buy | +$476K | $476K | 0.92% | Aug 14, 2026 |
| Perigon Wealth Management, LLC | New Buy | +$469K | $469K | 0.01% | Aug 7, 2026 |
| Dodge & Cox | Reduce 2.92% | -$444K | $14.8M | 0.01% | Aug 13, 2026 |
| Prudential PLC | Reduce 48.86% | -$442K | $463K | 0.00% | Aug 14, 2026 |
| Swiss Life Asset Management Ltd | New Buy | +$442K | $442K | 0.00% | Jul 29, 2026 |
| Daymark Wealth Partners, LLC | New Buy | +$411K | $411K | 0.01% | Jul 31, 2026 |
| Allstate Corp | Sell 100% | -$399K | $0 | 0.00% | Aug 13, 2026 |
| Profund Advisors LLC | New Buy | +$399K | $399K | 0.01% | Aug 11, 2026 |
| Numerai GP LLC | Sell 100% | -$396K | $0 | 0.00% | Aug 14, 2026 |
| Krilogy Financial LLC | New Buy | +$396K | $396K | 0.01% | Jul 27, 2026 |
| Gotham Asset Management, LLC | New Buy | +$383K | $383K | 0.00% | Aug 14, 2026 |
| Blue Square Asset Management, LLC | New Buy | +$381K | $381K | 0.15% | Jul 14, 2026 |
| VANGUARD ASSET MANAGEMENT, Ltd | Added 7.88% | +$359K | $4.92M | 0.00% | Aug 13, 2026 |
| Triglav Investments, D.O.O. | New Buy | +$351K | $351K | 0.02% | Aug 11, 2026 |
| MML Investors Services, LLC | Added 12.12% | +$339K | $3.14M | 0.01% | Aug 7, 2026 |