ACMR — ACM RESH INC
As of Q2 2026, 41 SEC-registered investment managers reported holding ACMR (ACM RESH INC) in their latest 13F filings, with a combined reported value of $2.86B across 23.10M shares. That is +9.4% by share count (+1.98M shares) versus the previous quarter, while reported value moved +247.1%. Ownership is concentrated: the five largest holders account for 65.7% of reported value and the top ten for 78.8%.
Compared with the prior quarter, 8 opened new positions, 23 added to existing stakes, 9 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
ACMR is classified in the Technology sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| BlackRock Inc history | Q2 2026 | 8.66M | $1.10B | 0.02% | Add |
| Capital World Investors history | Q2 2026 | 2.40M | $304.29M | 0.04% | New |
| Vanguard Group history | Q4 2025 | 4.97M | $196.15M | 0.00% | Add |
| Geode Capital Management history | Q2 2026 | 1.49M | $188.82M | 0.01% | Add |
| Invesco Ltd history | Q2 2026 | 1.17M | $148.47M | 0.01% | Add |
| Citadel Advisors history | Q2 2026 | 1.07M | $136.37M | 0.02% | Add |
| Morgan Stanley history | Q2 2026 | 700.18K | $88.85M | 0.01% | Reduce |
| Fidelity Management & Research (FMR) history | Q2 2026 | 672.18K | $85.29M | 0.00% | Add |
| Northern Trust Corp history | Q2 2026 | 569.13K | $72.22M | 0.01% | Add |
| Charles Schwab Investment Management history | Q2 2026 | 526.76K | $66.84M | 0.01% | Add |
| Bank of America Corp history | Q2 2026 | 479.71K | $60.87M | 0.00% | Add |
| UBS Group AG history | Q2 2026 | 451.17K | $57.25M | 0.01% | Add |
| Point72 Asset Management history | Q2 2026 | 428.50K | $54.37M | 0.06% | Add |
| Goldman Sachs Group history | Q2 2026 | 426.24K | $54.09M | 0.01% | Reduce |
| Principal Global Investors history | Q2 2026 | 370.91K | $47.07M | 0.02% | Add |
| Janus Henderson Group history | Q1 2026 | 1.09M | $42.70M | 0.02% | Hold |
| BNY Mellon history | Q2 2026 | 326.28K | $41.40M | 0.01% | Add |
| AQR Capital Management history | Q2 2026 | 314.17K | $39.87M | 0.01% | Reduce |
| Renaissance Technologies history | Q2 2026 | 229.80K | $29.16M | 0.04% | Add |
| Two Sigma Investments history | Q2 2026 | 226.44K | $28.73M | 0.02% | Add |
New Positions (Q2 2026)
- Capital World Investors 2.40M sh · $304.29M
- JPMorgan Chase & Co 214.85K sh · $25.83M
- Wellington Management Group 174.99K sh · $22.20M
- Fidelity International (FIL) 47.90K sh · $6.08M
- D. E. Shaw & Co 33.50K sh · $4.25M
- Soros Fund Management 30.12K sh · $3.82M
- Maverick Capital 5.32K sh · $674.42K
- Amundi US 3.77K sh · $478.38K
Fully Exited (vs previous quarter)
- Janus Henderson Group sold 1.09M sh · $42.70M
- Balyasny Asset Management sold 47.08K sh · $1.85M
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q3 2021 | Q4 2021 | Q1 2022 | Q2 2022 | Q3 2022 | Q4 2022 | Q1 2023 | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BlackRock Inc | — | — | — | — | — | — | — | — | — | — | — | — | 4.44M | 4.90M | 4.21M | 4.11M | 7.59M | 7.89M | 7.98M | 8.66M |
| Capital World Investors | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2.40M |
| Geode Capital Management | 108.08K | 125.81K | 397.73K | 761.70K | 812.70K | 832.87K | 873.89K | 919.04K | 985.47K | 1.04M | 1.08M | 1.15M | 1.18M | 1.18M | 1.22M | 1.24M | 1.32M | 1.34M | 1.37M | 1.49M |
| Invesco Ltd | — | — | — | 18.45K | 18.86K | 21.20K | 72.34K | 68.28K | 68.25K | 101.25K | 1.27M | 1.08M | 1.19M | 1.13M | 1.34M | 825.99K | 246.50K | 1.34M | 787.10K | 1.17M |
| Citadel Advisors | 173.32K | 143.20K | 522.17K | 71.00K | 144.64K | 444.70K | 971.23K | 404.83K | 301.09K | 287.59K | 512.32K | 1.15M | 904.62K | 730.94K | 957.14K | 757.82K | 977.87K | 631.52K | 555.98K | 1.07M |
| Morgan Stanley | 1.43M | 1.30M | 3.78M | 5.19M | 4.89M | 2.80M | 390.94K | 226.66K | 591.09K | 588.34K | 961.65K | 1.14M | 1.79M | 412.45K | 474.74K | 551.78K | 876.97K | 1.39M | 1.19M | 700.18K |
| Fidelity Management & Research (FMR) | 1 | — | — | 292 | 1.57K | 707 | 60.69K | 1.31K | 1.57K | 1.60K | 3.26K | 2.50K | 15.19K | 69.54K | 180.12K | 183.19K | 248.17K | 803.67K | 629.24K | 672.18K |
| Northern Trust Corp | 41.38K | 43.04K | 128.73K | 449.50K | 446.60K | 444.29K | 447.08K | 467.27K | 476.88K | 467.55K | 462.77K | 455.29K | 486.29K | 534.24K | 512.33K | 563.03K | 587.11K | 544.06K | 562.53K | 569.13K |
| Charles Schwab Investment Management | 58.92K | 59.81K | 183.24K | 285.81K | 316.46K | 320.88K | 323.40K | 326.26K | 356.68K | 376.63K | 378.98K | 391.98K | 405.86K | 408.68K | 402.16K | 410.58K | 437.16K | 478.33K | 481.22K | 526.76K |
| Bank of America Corp | 215.54K | 129.39K | 367.25K | 870.30K | 2.52M | 2.20M | 2.20M | 2.20M | 2.08M | 1.96M | 810.74K | 228.08K | 111.10K | 75.15K | 288.88K | 242.08K | 185.83K | 301.71K | 402.41K | 479.71K |
| UBS Group AG | 283.28K | 115.97K | 152.40K | 973.78K | 507.67K | 544.69K | 558.33K | 505.45K | 525.32K | 560.25K | 410.91K | 340.53K | 100.08K | 1.13M | 231.32K | 513.41K | 676.04K | 614.72K | 404.11K | 451.17K |
| Point72 Asset Management | 1.57K | — | — | — | 117.60K | — | 132.00K | 10.10K | 24.80K | 32.53K | 145.50K | 80.61K | — | — | 978.30K | 277.07K | 9.00K | 156.50K | 305.00K | 428.50K |
| Goldman Sachs Group | 60.10K | 214.35K | 442.98K | 2.05M | 920.94K | 918.62K | 630.74K | 677.81K | 702.91K | 692.99K | 623.06K | 551.06K | 321.01K | 399.64K | 375.94K | 773.47K | 673.24K | 361.59K | 552.30K | 426.24K |
| Principal Global Investors | — | — | — | — | — | — | — | — | — | — | 63.23K | 72.18K | — | — | — | 67.90K | 336.99K | 383.13K | 340.72K | 370.91K |
| BNY Mellon | 11.31K | 10.55K | 33.00K | 141.85K | 168.45K | 152.15K | 160.54K | 160.84K | 190.21K | 233.72K | 217.03K | 235.86K | 188.88K | 209.91K | 214.02K | 224.14K | 366.21K | 324.94K | 314.61K | 326.28K |
| AQR Capital Management | — | — | — | — | — | 219.03K | 179.31K | 455.42K | 287.69K | 197.59K | 128.10K | 178.46K | 257.00K | 358.25K | 243.82K | 413.37K | 356.74K | 343.60K | 323.41K | 314.17K |
| Renaissance Technologies | — | 84.30K | 95.80K | — | — | 111.60K | — | — | — | — | 145.80K | — | — | — | — | 37.00K | 299.93K | 124.44K | 122.60K | 229.80K |
| Two Sigma Investments | 23.90K | 32.10K | — | — | — | — | 288.81K | 202.09K | 54.60K | 83.30K | 438.56K | 49.69K | 44.52K | — | — | — | 194.34K | — | 58.32K | 226.44K |
| Citigroup Inc | 1.88K | 4.24K | 7.20K | 610.06K | 1.76M | 1.76M | 1.76M | 1.78M | 1.77M | 1.74M | 594.27K | 313.03K | 340.21K | 343.72K | 342.82K | 238.02K | 24.23K | 43.75K | 1.59M | 209.84K |
| JPMorgan Chase & Co | 2.88K | 3.19K | 10.60K | 487.35K | 41.81K | 868.91K | 774.11K | 1.20M | 1.07M | 778.12K | 1.12M | 839.88K | 134.17K | 23.47K | 537.35K | 200 | 28.69K | 198.69K | — | 214.85K |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details