ACM RESH INC (ACMR)
Institutional ownership reported to the SEC as of Q2 2026, across 31 quarters.
356
Reporting holders
$6.5B
Reported value
10.0%
Held as options
+73
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | $1.1B | 8,660,842 | 0.02% | 8q | +8.5%+$85.8M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $425.0M | 3,349,436 | 0.02% | 2q | +52.0%+$145.4M |
| VANGUARD CAPITAL MANAGEMENT LLC | $312.5M | 2,462,745 | 0.01% | 2q | +8.8%+$25.2M |
| Capital World Investors | $304.3M | 2,398,036 | 0.04% | new | NEW |
| STATE STREET CORP | $277.7M | 2,188,254 | 0.01% | 27q | +9.1%+$23.1M |
| GEODE CAPITAL MANAGEMENT, LLC | $188.8M | 1,487,797 | 0.01% | 31q | +8.5%+$14.8M |
| JANE STREET GROUP, LLC | $183.8M | options only | 0.02% | 11q | OPTIONS |
| Tidal Investments LLC | $174.4M | 470,937 | 0.30% | 5q | +50.1%+$58.2M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $151.9M | 253,671 | 0.01% | 26q | +324.6%+$116.1M |
| Invesco Ltd. | $148.5M | 1,170,080 | 0.01% | 17q | +48.7%+$48.6M |
| CITADEL ADVISORS LLC | $136.4M | 636,836 | 0.02% | 29q | +213.1%+$92.8M |
| Value Aligned Research Advisors, LLC | $133.7M | 1,053,949 | 0.33% | 2q | +10.3%+$12.4M |
| DIMENSIONAL FUND ADVISORS LP | $121.1M | 954,474 | 0.02% | 3q | +32.7%+$29.9M |
| WCM INVESTMENT MANAGEMENT, LLC | $109.1M | 917,651 | 0.20% | 3q | -50.7%-$112.1M |
| Tekne Capital Management, LLC | $93.6M | 737,500 | 30.62% | 3q | +3.1%+$2.9M |
| MORGAN STANLEY | $88.8M | 700,185 | 0.00% | 34q | -41.3%-$62.5M |
| FMR LLC | $85.3M | 672,184 | 0.00% | 17q | +6.8%+$5.4M |
| FULLER & THALER ASSET MANAGEMENT, INC. | $81.1M | 639,448 | 0.22% | new | NEW |
| GILDER GAGNON HOWE & CO LLC | $80.8M | 637,058 | 0.83% | 10q | +794.2%+$71.8M |
| Capital International Investors | $79.1M | 623,429 | 0.02% | new | NEW |
| NORTHERN TRUST CORP | $72.2M | 569,126 | 0.01% | 31q | +1.2%+$836.3K |
| Jupiter Topco LLC | $70.2M | 553,768 | 0.03% | new | FIRST |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $66.8M | 526,760 | 0.01% | 24q | +9.5%+$5.8M |
| Sixth Street Partners Management Company, L.P. | $66.8M | 526,760 | 0.01% | new | NEW |
| BANK OF AMERICA CORP /DE/ | $60.9M | 479,706 | 0.00% | 26q | +19.2%+$9.8M |
| UBS Group AG | $57.2M | 402,473 | 0.01% | 25q | HELD |
| IMC-Chicago, LLC | $55.5M | options only | 0.01% | 10q | OPTIONS |
| Point72 Asset Management, L.P. | $54.4M | options only | 0.06% | 6q | OPTIONS |
| GOLDMAN SACHS GROUP INC | $54.1M | 426,243 | 0.00% | 27q | -22.8%-$16.0M |
| VANGUARD FIDUCIARY TRUST CO | $51.3M | 404,100 | 0.01% | 2q | +18.4%+$8.0M |
| Public Sector Pension Investment Board | $49.7M | 392,024 | 0.06% | 4q | +105.7%+$25.6M |
| PRINCIPAL FINANCIAL GROUP INC | $47.1M | 370,913 | 0.02% | 5q | +8.9%+$3.8M |
| WEXFORD CAPITAL LP | $45.1M | 355,400 | 5.77% | 6q | -40.7%-$30.9M |
| Mitsubishi UFJ Trust & Banking Corp | $44.6M | 351,204 | 0.10% | 25q | -24.6%-$14.5M |
| Raiffeisen Bank International AG | $42.8M | 360,000 | 0.50% | 7q | -5.3%-$2.4M |
| Bank of New York Mellon Corp | $41.4M | 326,284 | 0.01% | 31q | +3.7%+$1.5M |
| AQR CAPITAL MANAGEMENT LLC | $39.9M | 314,172 | 0.01% | 15q | -2.9%-$1.2M |
| FIRST TRUST ADVISORS LP | $38.8M | 306,034 | 0.02% | 5q | -18.2%-$8.6M |
| Penn Capital Management Company, LLC | $36.3M | 285,790 | 2.30% | 3q | -28.2%-$14.2M |
| Qube Research & Technologies Ltd | $35.5M | 280,015 | 0.03% | 3q | -61.3%-$56.4M |
| Oasis Management Co Ltd. | $34.8M | 274,525 | 1.86% | 9q | +1.6%+$563.0K |
| MACKENZIE FINANCIAL CORP | $34.0M | 268,004 | 0.03% | 5q | +278.1%+$25.0M |
| MY.Alpha Management HK Advisors Ltd | $31.7M | 249,500 | 12.19% | new | NEW |
| GROUP ONE TRADING LLC | $31.5M | 157,056 | 0.04% | 9q | +71.8%+$13.1M |
| RENAISSANCE TECHNOLOGIES LLC | $29.2M | 229,800 | 0.04% | 5q | +87.4%+$13.6M |
| TWO SIGMA INVESTMENTS, LP | $28.7M | 212,544 | 0.02% | 2q | +305.5%+$21.6M |
| 12 West Capital Management LP | $28.6M | 225,000 | 5.34% | 2q | +3588.5%+$27.8M |
| CONGRESS ASSET MANAGEMENT CO | $28.4M | 223,855 | 0.17% | 5q | -34.1%-$14.7M |
| Russell Investments Group, Ltd. | $28.1M | 221,775 | 0.02% | 14q | +37.8%+$7.7M |
| CITIGROUP INC | $26.6M | 209,845 | 0.01% | 25q | -66.1%-$52.0M |
| JPMORGAN CHASE & CO | $25.8M | 214,853 | 0.00% | 24q | -27.8%-$9.9M |
| RPg Family Wealth Advisory, LLC | $24.9M | 196,332 | 2.30% | 6q | +115.7%+$13.4M |
| JACOBS LEVY EQUITY MANAGEMENT, INC | $24.4M | 191,966 | 0.09% | 2q | -21.4%-$6.6M |
| NEW YORK STATE COMMON RETIREMENT FUND | $24.3M | 191,535 | 0.03% | 17q | -26.2%-$8.6M |
| Steamboat Capital Partners, LLC | $23.2M | 182,773 | 4.96% | 10q | -18.2%-$5.2M |
| Portolan Capital Management, LLC | $22.5M | 177,432 | 0.84% | 4q | +113.1%+$11.9M |
| WELLINGTON MANAGEMENT GROUP LLP | $22.2M | 174,987 | 0.00% | new | NEW |
| MILLENNIUM MANAGEMENT LLC | $21.7M | 140,501 | 0.01% | 16q | +114.3%+$11.6M |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | $21.5M | 169,322 | 0.03% | 3q | +907.9%+$19.4M |
| Nuveen, LLC | $18.8M | 148,494 | 0.00% | 6q | +32.7%+$4.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $18.6M | 146,414 | 0.00% | 26q | +58.7%+$6.9M |
| FRANKLIN RESOURCES INC | $18.4M | 145,385 | 0.00% | 2q | +50.8%+$6.2M |
| SOUTHEASTERN ASSET MANAGEMENT INC/TN/ | $17.7M | 139,478 | 0.92% | 5q | -82.2%-$81.6M |
| MATTHEWS INTERNATIONAL CAPITAL MANAGEMENT LLC | $16.8M | 132,396 | 5.76% | 20q | -4.6%-$814.5K |
| PEAK6 LLC | $16.6M | options only | 0.03% | 7q | OPTIONS |
| RHUMBLINE ADVISERS | $16.4M | 128,979 | 0.01% | 17q | -9.2%-$1.7M |
| Legal & General Group Plc | $15.9M | 125,619 | 0.00% | 25q | -0.5%-$85.8K |
| BRIGHT VALLEY CAPITAL Ltd | $15.0M | 118,000 | 2.39% | new | NEW |
| Dodge & Cox | $14.8M | 116,392 | 0.01% | 8q | -2.9%-$444.1K |
| AMERIPRISE FINANCIAL INC | $14.6M | 115,178 | 0.00% | 16q | -72.9%-$39.2M |
| WELLS FARGO & COMPANY/MN | $13.8M | 58,627 | 0.00% | 14q | -85.6%-$82.2M |
| Horiko Capital Management LLC | $13.5M | 106,628 | 2.38% | 2q | +61.6%+$5.2M |
| Swiss National Bank | $13.1M | 103,600 | 0.01% | 25q | -2.8%-$380.7K |
| AMERICAN CENTURY COMPANIES INC | $12.8M | 101,200 | 0.01% | 13q | -32.8%-$6.3M |
| LPL Financial LLC | $11.8M | 93,288 | 0.00% | 11q | +12.3%+$1.3M |
| DEUTSCHE BANK AG\ | $11.5M | 90,500 | 0.00% | 34q | +13.3%+$1.4M |
| BNP PARIBAS FINANCIAL MARKETS | $11.0M | 86,340 | 0.00% | 22q | +61.3%+$4.2M |
| STOREBRAND ASSET MANAGEMENT AS | $10.2M | 80,510 | 0.03% | 2q | -55.3%-$12.6M |
| INTRINSIC EDGE CAPITAL MANAGEMENT LLC | $10.2M | 80,000 | 1.05% | 2q | HELD |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $9.5M | 74,778 | 0.01% | 2q | +30.8%+$2.2M |
| Kendall Capital Management | $9.2M | 72,820 | 1.54% | 9q | -12.4%-$1.3M |
| SIMPLEX TRADING, LLC | $9.1M | 44,316 | 0.01% | 9q | +81.1%+$4.1M |
| Aperture Investors, LLC | $9.0M | 70,569 | 0.81% | 2q | +244.5%+$6.4M |
| LAZARD ASSET MANAGEMENT LLC | $8.1M | 63,784 | 0.01% | 2q | +48.2%+$2.6M |
| Atika Capital Management LLC | $8.0M | 63,000 | 0.53% | new | NEW |
| Inspire Investing, LLC | $8.0M | 62,959 | 0.33% | 4q | HELD |
| Kerrisdale Advisers, LLC | $7.9M | 62,570 | 1.99% | 8q | -72.0%-$20.5M |
| PRUDENTIAL FINANCIAL INC | $7.4M | 58,505 | 0.01% | 4q | +8.1%+$559.0K |
| Quantinno Capital Management LP | $6.9M | 54,218 | 0.01% | 3q | +0.5%+$37.2K |
| Quadrature Capital Ltd | $6.2M | 48,891 | 0.05% | new | NEW |
| FIL Ltd | $6.1M | options only | 0.00% | new | OPTIONS |
| Focus Partners Wealth | $5.6M | 43,904 | 0.01% | 3q | +3.9%+$208.7K |
| NEUBERGER BERMAN GROUP LLC | $5.4M | 44,245 | 0.00% | 6q | +74.8%+$2.3M |
| CenterBook Partners LP | $5.3M | 41,438 | 0.26% | new | NEW |
| BARCLAYS PLC | $5.1M | 40,321 | 0.00% | 25q | -18.0%-$1.1M |
| SEI INVESTMENTS CO | $5.1M | 40,313 | 0.00% | 6q | -52.6%-$5.7M |
| VANGUARD ASSET MANAGEMENT, Ltd | $4.9M | 38,739 | 0.00% | 2q | +7.9%+$358.8K |
| Kultura Capital Management LP | $4.8M | 37,725 | 0.87% | new | NEW |
| GUGGENHEIM CAPITAL LLC | $4.8M | 37,530 | 0.03% | 7q | +88.0%+$2.2M |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | $4.6M | 36,055 | 0.01% | 9q | -31.4%-$2.1M |
Five percent filings
Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →
| Filed | Form | Filer | % of class |
|---|---|---|---|
| 2026-07-31 | 13G | Vanguard Portfolio Management | 5.3% |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 356 | $6.5B | 46,263,625 | 113 | 113 | 83 | 10.0% |
| Q1 2026 | 283 | $1.8B | 42,165,244 | 59 | 74 | 89 | 8.7% |
| Q4 2025 | 263 | $1.9B | 41,283,815 | 46 | 76 | 82 | 12.4% |
| Q3 2025 | 242 | $1.8B | 38,369,893 | 52 | 73 | 71 | 16.1% |
| Q2 2025 | 225 | $1.1B | 36,679,636 | 50 | 74 | 66 | 11.7% |
| Q1 2025 | 220 | $920.7M | 35,220,129 | 70 | 64 | 57 | 11.0% |
| Q4 2024 | 170 | $569.4M | 34,842,641 | 21 | 57 | 55 | 7.9% |
| Q3 2024 | 169 | $702.2M | 32,263,675 | 25 | 56 | 54 | 7.2% |
| Q2 2024 | 190 | $840.1M | 34,067,195 | 44 | 58 | 51 | 6.6% |
| Q1 2024 | 187 | $1.1B | 35,045,734 | 62 | 47 | 48 | 5.8% |
| Q4 2023 | 143 | $691.0M | 33,665,172 | 25 | 42 | 44 | 4.8% |
| Q3 2023 | 134 | $573.5M | 30,242,709 | 35 | 45 | 30 | 4.9% |
| Q2 2023 | 116 | $391.6M | 28,804,574 | 17 | 38 | 29 | 5.0% |
| Q1 2023 | 113 | $344.5M | 27,185,722 | 28 | 36 | 26 | 8.6% |
| Q4 2022 | 100 | $204.5M | 25,612,444 | 25 | 30 | 19 | 4.4% |
| Q3 2022 | 116 | $461.9M | 34,943,355 | 23 | 34 | 36 | 5.7% |
| Q2 2022 | 102 | $623.5M | 36,259,270 | 30 | 34 | 22 | 2.2% |
| Q1 2022 | 96 | $694.9M | 29,325,727 | 18 | 72 | 2 | 12.7% |
| Q4 2021 | 105 | $778.9M | 8,804,489 | 20 | 43 | 25 | 3.6% |
| Q3 2021 | 98 | $1.1B | 8,908,291 | 23 | 35 | 21 | 14.5% |
| Q2 2021 | 98 | $895.5M | 7,370,714 | 23 | 31 | 27 | 15.9% |
| Q1 2021 | 95 | $702.2M | 7,259,400 | 23 | 32 | 32 | 16.5% |
| Q4 2020 | 96 | $489.7M | 5,546,702 | 19 | 32 | 31 | 8.0% |
| Q3 2020 | 87 | $456.4M | 5,158,957 | 27 | 25 | 22 | 21.9% |
| Q2 2020 | 87 | $375.6M | 4,964,007 | 39 | 22 | 21 | 17.6% |
| Q1 2020 | 63 | $117.4M | 3,818,935 | 39 | 10 | 13 | 3.7% |
| Q4 2019 | 44 | $55.9M | 3,032,094 | 15 | 15 | 10 | 0.0% |
| Q3 2019 | 46 | $40.5M | 2,923,158 | 13 | 14 | 17 | 0.0% |
| Q2 2019 | 38 | $27.2M | 1,745,722 | 19 | 8 | 7 | 0.0% |
| Q1 2019 | 28 | $22.6M | 1,466,494 | 4 | 11 | 7 | 0.0% |
| Q4 2018 | 28 | $17.8M | 1,635,814 | 0 | 0 | 2 | 0.0% |