Arq, Inc. - ARQ
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | History | No change | 1,830,017 | 5,984 | 0.0% | 0.0% | 1 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| BlackRock, Inc. | History | Added to | 2,097,522 | 5,369 | 0.0% | 0.0% | 2 | +51,584 | 2.52% | Q1 2026 | May 13, 2026 |
| ROYCE & ASSOCIATES LP | History | Added to | 1,748,444 | 4,476 | 0.04% | 0.05% | 3 | +290,000 | 19.88% | Q1 2026 | May 12, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 1,431,450 | 3,664 | 0.0% | — | 4 | +1,431,450 | New | Q1 2026 | May 15, 2026 |
| AQR CAPITAL MANAGEMENT LLC | History | Added to | 1,085,710 | 2,779 | 0.0% | 0.0% | 5 | +785,923 | 262.16% | Q1 2026 | May 15, 2026 |
| MARSHALL WACE, LLP | History | Added to | 809,705 | 2,072 | 0.0% | 0.0% | 6 | +365,498 | 82.28% | Q1 2026 | May 14, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 801,231 | 2,051 | 0.0% | 0.0% | 7 | +23,089 | 2.97% | Q1 2026 | May 15, 2026 |
| Peapod Lane Capital LLC | History | Added to | 775,349 | 1,971 | 1.62% | 0.64% | 8 | +546,785 | 239.23% | Q1 2026 | May 01, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Reduced | 762,190 | 1,950 | 0.0% | 0.0% | 9 | -157,450 | -17.12% | Q1 2026 | May 07, 2026 |
| STATE STREET CORP | History | Added to | 564,598 | 1,445 | 0.0% | 0.0% | 10 | +2,710 | 0.48% | Q1 2026 | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 410,570 | 1,051 | 0.0% | 0.0% | 11 | -1,729 | -0.42% | Q1 2026 | May 14, 2026 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | History | Added to | 351,188 | 899 | 0.0% | 0.0% | 12 | +88,858 | 33.87% | Q1 2026 | May 15, 2026 |
| DCF Advisers, LLC | History | Added to | 327,803 | 839 | 0.22% | 0.23% | 13 | +67,233 | 25.8% | Q1 2026 | May 11, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Added to | 289,158 | 740 | 0.05% | 0.05% | 14 | +127,322 | 78.67% | Q1 2026 | May 08, 2026 |
| D. E. Shaw & Co., Inc. | History | Added to | 281,828 | 721 | 0.0% | 0.0% | 15 | +231,662 | 461.79% | Q1 2026 | May 15, 2026 |
| NORTHERN TRUST CORP | History | Added to | 228,356 | 584 | 0.0% | 0.0% | 16 | +27,587 | 13.74% | Q1 2026 | May 14, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 203,537 | 521 | 0.0% | — | 18 | +203,537 | New | Q1 2026 | May 08, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 203,770 | 521 | 0.0% | 0.0% | 17 | +124,166 | 155.98% | Q1 2026 | May 15, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 201,390 | 515 | 0.0% | 0.0% | 19 | +113,966 | 130.36% | Q1 2026 | May 12, 2026 |
| Round Rock Advisors LLC | History | New | 190,708 | 488 | 0.07% | — | 20 | +190,708 | New | Q1 2026 | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | History | New | 184,246 | 471 | 0.0% | — | 21 | +184,246 | New | Q1 2026 | May 08, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 140,926 | 360 | 0.0% | 0.0% | 22 | +11,389 | 8.79% | Q1 2026 | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 133,045 | 340 | 0.0% | 0.0% | 23 | +75,157 | 129.83% | Q1 2026 | May 15, 2026 |
| MORGAN STANLEY | History | Reduced | 116,028 | 297 | 0.0% | 0.0% | 24 | -246,510 | -68.0% | Q1 2026 | May 15, 2026 |
| PERRITT CAPITAL MANAGEMENT INC | History | No change | 75,000 | 245 | 0.41% | 0.41% | 25 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Corient Private Wealth LLC | History | New | 77,500 | 198 | 0.0% | — | 26 | +77,500 | New | Q1 2026 | May 15, 2026 |
| AMERIPRISE FINANCIAL INC | History | Added to | 75,796 | 194 | 0.0% | 0.0% | 27 | +20,142 | 36.19% | Q1 2026 | May 15, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 74,780 | 191 | 0.0% | 0.01% | 28 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Bank of New York Mellon Corp | History | No change | 73,079 | 187 | 0.0% | 0.0% | 29 | 0 | 0.0% | Q1 2026 | May 05, 2026 |
| XTX Topco Ltd | History | Reduced | 72,660 | 186 | 0.0% | 0.01% | 30 | -4,183 | -5.44% | Q1 2026 | May 15, 2026 |
| STRS OHIO | History | Added to | 72,400 | 185 | 0.0% | 0.0% | 31 | +71,000 | 5071.43% | Q1 2026 | Apr 24, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Reduced | 69,775 | 178 | 0.0% | 0.0% | 32 | -30,218 | -30.22% | Q1 2026 | May 15, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | Reduced | 65,117 | 166 | 0.0% | 0.0% | 33 | -19,239 | -22.81% | Q1 2026 | May 15, 2026 |
| Marex Group plc | History | Reduced | 60,000 | 153 | 0.0% | 0.0% | 34 | -130,000 | -68.42% | Q1 2026 | May 13, 2026 |
| GABELLI FUNDS LLC | History | No change | 52,000 | 133 | 0.0% | 0.0% | 35 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 45,519 | 116 | 0.0% | 0.0% | 36 | -34,574 | -43.17% | Q1 2026 | May 15, 2026 |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | History | No change | 42,326 | 108 | 0.0% | 0.0% | 37 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| RHUMBLINE ADVISERS | History | Reduced | 41,196 | 105 | 0.0% | 0.0% | 38 | -145 | -0.35% | Q1 2026 | May 12, 2026 |
| Invesco Ltd. | History | Added to | 37,738 | 96 | 0.0% | 0.0% | 39 | +9,002 | 31.33% | Q1 2026 | May 12, 2026 |
| Scientech Research LLC | History | New | 34,628 | 88 | 0.07% | — | 40 | +34,628 | New | Q1 2026 | May 15, 2026 |
| Nuveen, LLC | History | No change | 33,406 | 85 | 0.0% | 0.0% | 41 | 0 | 0.0% | Q1 2026 | Apr 30, 2026 |
| FRANKLIN RESOURCES INC | History | Reduced | 30,543 | 78 | 0.0% | 0.0% | 42 | -1,738 | -5.38% | Q1 2026 | May 13, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | New | 28,700 | 73 | 0.0% | — | 43 | +28,700 | New | Q1 2026 | May 15, 2026 |
| SIMPLEX TRADING, LLC | History | Added to | 23,281 | 59 | 0.0% | 0.0% | 44 | +12,170 | 109.53% | Q1 2026 | May 14, 2026 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 22,592 | 57 | 0.0% | 0.0% | 45 | -22,285 | -49.66% | Q1 2026 | May 11, 2026 |
| Mariner, LLC | History | New | 19,214 | 49 | 0.0% | — | 46 | +19,214 | New | Q1 2026 | May 13, 2026 |
| Schonfeld Strategic Advisors LLC | History | New | 19,128 | 48 | 0.0% | — | 48 | +19,128 | New | Q1 2026 | May 15, 2026 |
| MERCER GLOBAL ADVISORS INC /ADV | History | New | 18,814 | 48 | 0.0% | — | 47 | +18,814 | New | Q1 2026 | May 15, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | No change | 16,868 | 44 | 0.0% | 0.0% | 49 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 17,560 | 43 | 0.0% | 0.0% | 50 | -24,332 | -58.08% | Q1 2026 | May 13, 2026 |
| CWM, LLC | History | Added to | 16,034 | 41 | 0.0% | 0.0% | 52 | +13,075 | 441.87% | Q1 2026 | May 14, 2026 |
| ALLIANCEBERNSTEIN L.P. | History | No change | 12,700 | 41 | 0.0% | 0.0% | 51 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | Added to | 15,686 | 40 | 0.0% | 0.0% | 53 | +374 | 2.44% | Q1 2026 | May 15, 2026 |
| Vanguard Global Advisers, LLC | History | New | 13,907 | 35 | 0.0% | — | 54 | +13,907 | New | Q1 2026 | May 08, 2026 |
| UBS Group AG | History | Reduced | 12,949 | 33 | 0.0% | 0.0% | 55 | -55,048 | -80.96% | Q1 2026 | May 05, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 12,357 | 31 | 0.0% | 0.0% | 56 | -45,452 | -78.62% | Q1 2026 | May 12, 2026 |
| TWO SIGMA SECURITIES, LLC | History | New | 11,601 | 29 | 0.0% | — | 58 | +11,601 | New | Q1 2026 | May 15, 2026 |
| Murphy Pohlad Asset Management LLC | History | No change | 11,600 | 29 | 0.01% | 0.01% | 57 | 0 | 0.0% | Q1 2026 | Apr 14, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 11,100 | 28 | 0.0% | 0.0% | 59 | -52,301 | -82.49% | Q1 2026 | May 15, 2026 |
| Mraz, Amerine & Associates, Inc. | History | No change | 11,300 | 28 | 0.0% | 0.01% | 60 | 0 | 0.0% | Q1 2026 | May 05, 2026 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | History | New | 10,771 | 26 | 0.0% | — | 61 | +10,771 | New | Q1 2026 | Apr 08, 2026 |
| OXFORD ASSET MANAGEMENT LLP | History | Reduced | 10,096 | 25 | 0.01% | 0.02% | 62 | -3,584 | -26.2% | Q1 2026 | May 15, 2026 |
| GROUP ONE TRADING LLC | History | Reduced | 8,300 | 21 | 0.0% | 0.0% | 64 | -13,900 | -62.61% | Q1 2026 | May 13, 2026 |
| FMR LLC | History | Added to | 8,314 | 21 | 0.0% | 0.0% | 63 | +5,243 | 170.73% | Q1 2026 | May 15, 2026 |
| Avanza Fonder AB | History | Reduced | 7,667 | 19 | 0.0% | 0.0% | 65 | -5,752 | -42.86% | Q1 2026 | Apr 15, 2026 |
| Firsthand Capital Management, Inc. | History | No change | 6,800 | 17 | 0.04% | 0.04% | 66 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| ROYAL BANK OF CANADA | History | Added to | 6,273 | 16 | 0.0% | 0.0% | 67 | +1,429 | 29.5% | Q1 2026 | May 15, 2026 |
| BARCLAYS PLC | History | Reduced | 5,869 | 15 | 0.0% | 0.0% | 68 | -43,960 | -88.22% | Q1 2026 | May 14, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | No change | 5,528 | 14 | 0.0% | 0.0% | 69 | 0 | 0.0% | Q1 2026 | Apr 29, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Added to | 5,434 | 13 | 0.0% | — | 70 | +5,411 | 23526.09% | Q1 2026 | May 08, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 5,257 | 13 | 0.0% | 0.0% | 71 | +827 | 18.67% | Q1 2026 | May 15, 2026 |
| Rockefeller Capital Management L.P. | History | No change | 4,670 | 11 | 0.0% | 0.0% | 72 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| State of Alaska, Department of Revenue | History | No change | 3,998 | 10 | 0.0% | 0.0% | 73 | 0 | 0.0% | Q1 2026 | Apr 20, 2026 |
| Russell Investments Group, Ltd. | History | Added to | 2,840 | 7 | 0.0% | 0.0% | 75 | +219 | 8.36% | Q1 2026 | May 08, 2026 |
| Legal & General Group Plc | History | No change | 2,872 | 7 | 0.0% | 0.0% | 74 | 0 | 0.0% | Q1 2026 | May 08, 2026 |
| Ameritas Investment Partners, Inc. | History | No change | 2,422 | 6 | 0.0% | 0.0% | 76 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| SBI Securities Co., Ltd. | History | Reduced | 1,596 | 4 | 0.0% | 0.0% | 78 | -250 | -13.54% | Q1 2026 | Apr 27, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | Reduced | 1,731 | 4 | 0.0% | 0.0% | 77 | -234 | -11.91% | Q1 2026 | May 15, 2026 |
| CITIGROUP INC | History | Reduced | 1,486 | 3 | 0.0% | 0.0% | 80 | -20,516 | -93.25% | Q1 2026 | May 11, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | No change | 1,400 | 3 | 0.0% | 0.0% | 79 | 0 | 0.0% | Q1 2026 | May 06, 2026 |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | History | No change | 1,184 | 3 | 0.0% | 0.0% | 81 | 0 | 0.0% | Q1 2026 | May 07, 2026 |
| McMillan Office, Inc. | History | No change | 1,390 | 3 | 0.0% | 0.0% | 82 | 0 | 0.0% | Q1 2026 | Apr 23, 2026 |
| MAI Capital Management | History | Added to | 1,147 | 2 | 0.0% | — | 83 | +1,084 | 1720.63% | Q1 2026 | May 15, 2026 |
| Sterling Capital Management LLC | History | Reduced | 1,059 | 2 | 0.0% | 0.0% | 84 | -785 | -42.57% | Q1 2026 | Apr 22, 2026 |
| Allworth Financial LP | History | Added to | 844 | 2 | 0.0% | 0.0% | 85 | +419 | 98.59% | Q1 2026 | May 14, 2026 |
| Arax Advisory Partners | History | Added to | 913 | 2 | 0.0% | 0.0% | 86 | +113 | 14.12% | Q1 2026 | May 13, 2026 |
| EverSource Wealth Advisors, LLC | History | Added to | 608 | 1 | 0.0% | — | 88 | +490 | 415.25% | Q1 2026 | May 15, 2026 |
| OSAIC HOLDINGS, INC. | History | Reduced | 570 | 1 | 0.0% | 0.0% | 87 | -200 | -25.97% | Q1 2026 | May 15, 2026 |
| AIGH Capital Management LLC | History | Closed out | 0 | 0 | — | 1.8% | — | -2,273,092 | -100.0% | Q1 2026 | Apr 30, 2026 |
| Alta Fundamental Advisers LLC | History | Closed out | 0 | 0 | — | 1.15% | — | -781,088 | -100.0% | Q1 2026 | May 05, 2026 |
| GRATIA CAPITAL, LLC | History | Closed out | 0 | 0 | — | 0.38% | — | -155,000 | -100.0% | Q1 2026 | May 15, 2026 |
| LAZARD ASSET MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -110,783 | -100.0% | Q1 2026 | May 15, 2026 |
| Rothschild Wealth LLC | History | Closed out | 0 | 0 | — | 0.02% | — | -75,000 | -100.0% | Q1 2026 | May 06, 2026 |
| Point72 Asset Management, L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -61,032 | -100.0% | Q1 2026 | May 15, 2026 |
| 1492 Capital Management LLC | History | Closed out | 0 | 0 | — | 0.06% | — | -44,306 | -100.0% | Q1 2026 | Apr 22, 2026 |
| Jump Financial, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -33,129 | -100.0% | Q1 2026 | May 14, 2026 |
| STATE OF WISCONSIN INVESTMENT BOARD | History | Closed out | 0 | 0 | — | 0.0% | — | -22,965 | -100.0% | Q1 2026 | May 15, 2026 |
| Jain Global LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -22,800 | -100.0% | Q1 2026 | May 15, 2026 |
| ALGERT GLOBAL LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -20,170 | -100.0% | Q1 2026 | May 14, 2026 |
| Squarepoint Ops LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -17,113 | -100.0% | Q1 2026 | May 15, 2026 |
| SEI INVESTMENTS CO | History | Closed out | 0 | 0 | — | 0.0% | — | -15,877 | -100.0% | Q1 2026 | May 13, 2026 |
| Dynamic Technology Lab Private Ltd | History | Closed out | 0 | 0 | — | 0.01% | — | -14,337 | -100.0% | Q1 2026 | May 15, 2026 |
| INTECH INVESTMENT MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -13,805 | -100.0% | Q1 2026 | May 08, 2026 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -11,502 | -100.0% | Q1 2026 | May 14, 2026 |
| LOS ANGELES CAPITAL MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -11,325 | -100.0% | Q1 2026 | May 08, 2026 |
| Verition Fund Management LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -11,004 | -100.0% | Q1 2026 | May 15, 2026 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | History | Closed out | 0 | 0 | — | 0.0% | — | -10,149 | -100.0% | Q1 2026 | May 15, 2026 |
| AMALGAMATED BANK | History | Closed out | 0 | 0 | — | 0.0% | — | -1,005 | -100.0% | Q1 2026 | May 08, 2026 |
| Wealth Preservation Advisors, LLC | History | New | 239 | 0 | — | — | — | +239 | New | Q1 2026 | May 15, 2026 |
| Optiver Holding B.V. | History | Reduced | 320 | 0 | — | 0.0% | — | -224 | -41.18% | Q1 2026 | May 15, 2026 |
| Farther Finance Advisors, LLC | History | Reduced | 323 | 0 | — | 0.0% | — | -144 | -30.84% | Q1 2026 | Apr 07, 2026 |
| Root Financial Partners, LLC | History | New | 64 | 0 | — | — | — | +64 | New | Q1 2026 | Apr 24, 2026 |
| Essential Partners LLC | History | Added to | 210 | 0 | — | — | — | +59 | 39.07% | Q1 2026 | May 21, 2026 |
| SJS Investment Consulting Inc. | History | Added to | 119 | 0 | — | — | — | +55 | 85.94% | Q1 2026 | Apr 23, 2026 |
| ROTHSCHILD INVESTMENT LLC | History | Added to | 143 | 0 | — | — | — | +42 | 41.58% | Q1 2026 | May 07, 2026 |
| IFP Advisors, Inc | History | Added to | 169 | 0 | — | — | — | +4 | 2.42% | Q1 2026 | Apr 13, 2026 |
| True Wealth Design, LLC | History | Added to | 12 | 0 | — | — | — | +4 | 50.0% | Q1 2026 | Apr 13, 2026 |
| JPL Wealth Management, LLC | History | New | 2 | 0 | — | — | — | +2 | New | Q1 2026 | May 08, 2026 |
| Clearstead Advisors, LLC | History | Closed out | 0 | 0 | — | — | — | -2 | -100.0% | Q1 2026 | May 06, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | No change | 10 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 13, 2026 |