Updated
Acm ResearchACMR · Technology
$44.61+13.48%
Market cap$3.1B
IndustrySemiconductor Equipment & Materials
Acm Research (ACMR) Superinvestor holders
19 of the superinvestors we track hold Acm Research (ACMR) in their latest 13F filings, $264M in total.
Summary
The largest holder is WCM Investment Management, with $109M, 0.2% of the portfolio.
In their latest quarter: 7 opened a new position, 3 added, 9 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| WCM Investment Management | Trimmed | 917,651 | $109M | 0.2% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Trimmed | 314,172 | $40M | 0.0% | Q2 2026 |
| Jim Simons Renaissance Technologies |
Added | 229,800 | $29M | 0.0% | Q2 2026 |
| Two Sigma Two Sigma Investments |
Added | 212,544 | $27M | 0.0% | Q2 2026 |
| Mason Hawkins Southeastern Asset Management |
Trimmed | 139,478 | $18M | 0.9% | Q2 2026 |
| Dodge & Cox | Trimmed | 116,392 | $15M | 0.0% | Q2 2026 |
| Sahm Adrangi Kerrisdale Capital Management |
Trimmed | 62,570 | $8M | 2.0% | Q2 2026 |
| David Shaw D. E. Shaw & Co. |
New position | 33,500 | $4M | 0.0% | Q2 2026 |
| George Soros Soros Fund Management |
New position | 30,122 | $4M | 0.1% | Q2 2026 |
| Acadian Acadian Asset Management |
Added | 45,206 | $4M | 0.0% | Q3 2026 |
| Wasatch Wasatch Global Investors |
New position | 28,862 | $2M | 0.0% | Q3 2026 |
| Jay Petschek Corsair Capital Management |
New position | 8,000 | $1M | 0.1% | Q2 2026 |
| Paul Marshall Marshall Wace |
Trimmed | 5,637 | $715,278 | 0.0% | Q2 2026 |
| Josef Lakonishok LSV Asset Management |
Trimmed | 8,800 | $712,000 | 0.0% | Q3 2026 |
| Lee Ainslie Maverick Capital |
New position | 5,315 | $674,420 | 0.0% | Q2 2026 |
| Ken Tropin Graham Capital Management |
New position | 4,500 | $571,005 | 0.0% | Q2 2026 |
| Jeremy Grantham GMO |
Trimmed | 3,713 | $471,143 | 0.0% | Q2 2026 |
| Ensign Peak Ensign Peak Advisors |
Trimmed | 3,214 | $407,824 | 0.0% | Q2 2026 |
| Joel Greenblatt Gotham Asset Management |
New position | 3,017 | $382,827 | 0.0% | Q2 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 18 |
| Q1 2026 | 14 |
| Q4 2025 | 14 |
| Q3 2025 | 15 |
| Q2 2025 | 13 |
| Q1 2025 | 13 |
| Q4 2024 | 9 |
| Q3 2024 | 7 |
Questions about Acm Research
Which superinvestors own Acm Research?
19 of the superinvestors we track hold Acm Research (ACMR) in their latest 13F filings, $264M in total. WCM Investment Management, Cliff Asness, Jim Simons, Two Sigma, Mason Hawkins, Dodge & Cox.
Who is the largest superinvestor holder of ACMR?
The largest holder is WCM Investment Management, with $109M, 0.2% of the portfolio.
From Acm Research's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.