ArqARQ
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 96 institutions reported holding Arq Inc. (ARQ) in their 13F filings, down 7 from Q4 2025. 13 opened new positions and 22 sold out. The largest holders were BlackRock, Inc. ($5.4M), Royce & Associates LP ($4.5M) and Vanguard Capital Management LLC ($3.7M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Arq Inc.
- CUSIP
- 00770C101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 13 | $1.1M |
| Exits | 22 | $12.4M |
All 13F filers, Q4 2025 → Q1 2026: 3,494,729 shares bought and 4,617,437 shares sold, net −1,122,708 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 96 holders
| BlackRock, Inc. | 0.00% | Add +2.5% | 2,097,522 | $5.4M |
| Royce & Associates LP | 0.04% | Add +19.9% | 1,748,444 | $4.5M |
| Vanguard Capital Management LLC | 0.00% | — | 1,431,450 | $3.7M |
| AQR Capital Management | 0.00% | Add +262.2% | 1,085,710 | $2.8M |
| Marshall Wace, LLP | 0.00% | Add +82.3% | 809,705 | $2.1M |
| Geode Capital Management, LLC | 0.00% | Add +3.0% | 801,231 | $2.1M |
| Peapod Lane Capital LLC | 1.62% | Add +239.2% | 775,349 | $2.0M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -17.1% | 762,190 | $2.0M |
| State Street Corp. | 0.00% | Add +0.5% | 564,598 | $1.4M |
| Renaissance Technologies | 0.00% | Reduce -0.4% | 410,570 | $1.1M |
| Jacobs Levy Equity Management, Inc. | 0.00% | Add +33.9% | 351,188 | $899K |
| DCF Advisers, LLC | 0.32% | Add +25.8% | 327,803 | $839K |
| Gsa Capital Partners LLP | 0.05% | Add +78.7% | 289,158 | $740K |
| D. E. Shaw & Co. | 0.00% | Add +461.8% | 281,828 | $721K |
| Northern Trust Corp. | 0.00% | Add +13.7% | 228,356 | $585K |
| Bank of America Corp. | 0.00% | Add +156.0% | 203,770 | $522K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 203,537 | $521K |
| Round Rock Advisors LLC | 0.07% | New | 190,708 | $488K |
| Jane Street Group, LLC | 0.00% | Add +155.8% | 189,890 | $486K |
| Vanguard Portfolio Management LLC | 0.00% | — | 184,246 | $472K |
| Goldman Sachs Group Inc. | 0.00% | Add +8.8% | 140,926 | $361K |
| Susquehanna International Group, LLP | 0.00% | Add +129.8% | 133,045 | $341K |
| Morgan Stanley | 0.00% | Reduce -68.0% | 116,028 | $297K |
| Corient Private Wealth LP | 0.00% | New | 77,500 | $198K |
| Ameriprise Financial Inc. | 0.00% | Add +36.2% | 75,796 | $194K |
| Bridgeway Capital Management, LLC | 0.00% | No change | 74,780 | $191K |
| Bank of New York Mellon Corp | 0.00% | No change | 73,079 | $187K |
| XTX Topco Ltd | 0.00% | Reduce -5.4% | 72,660 | $186K |
| STRS Ohio | 0.00% | Add +5071.4% | 72,400 | $185K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -30.2% | 69,775 | $179K |
| American Century Companies Inc. | 0.00% | Reduce -22.8% | 65,117 | $167K |
| Marex Group Ltd | 0.00% | Reduce -68.4% | 60,000 | $154K |
| Gabelli Funds LLC | 0.00% | No change | 52,000 | $133K |
| Millennium Management | 0.00% | Reduce -43.2% | 45,519 | $117K |
| Public Employees Retirement System of Ohio | 0.00% | No change | 42,326 | $108K |
| Rhumbline Advisers | 0.00% | Reduce -0.3% | 41,196 | $105K |
| Invesco Ltd. | 0.00% | Add +31.3% | 37,738 | $97K |
| Scientech Research LLC | 0.07% | New | 34,628 | $89K |
| Nuveen, LLC | 0.00% | No change | 33,406 | $86K |
| Franklin Resources Inc. | 0.00% | Reduce -5.4% | 30,543 | $78K |
| Two Sigma Investments, LP | 0.00% | New | 28,700 | $73K |
| Wells Fargo & Company | 0.00% | Reduce -49.7% | 22,592 | $58K |
| Simplex Trading, LLC | 0.00% | Add +851.1% | 21,981 | $56K |
| Mariner, LLC | 0.00% | New | 19,214 | $49K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 19,128 | $49K |
| Mercer Global Advisors Inc. | 0.00% | New | 18,814 | $48K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 16,868 | $44K |
| JPMorgan Chase & Co. | 0.00% | Reduce -58.1% | 17,560 | $44K |
| Alliancebernstein L.P. | 0.00% | No change | 12,700 | $42K |
| Cwm, LLC | 0.00% | Add +441.9% | 16,034 | $41K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +2.4% | 15,686 | $40K |
| Vanguard Global Advisers, LLC | 0.00% | — | 13,907 | $36K |
| UBS Group AG | 0.00% | Reduce -81.0% | 12,949 | $33K |
| BNP Paribas Financial Markets | 0.00% | Reduce -78.6% | 12,357 | $32K |
| Two Sigma Securities, LLC | 0.00% | New | 11,601 | $30K |
| Murphy Pohlad Asset Management LLC | 0.01% | No change | 11,600 | $30K |
| Mraz, Amerine & Associates, Inc. | 0.00% | No change | 11,300 | $29K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | New | 10,771 | $27K |
| Oxford Asset Management LLP | 0.01% | Reduce -26.2% | 10,096 | $26K |
| FMR LLC | 0.00% | Add +170.7% | 8,314 | $21K |
| Avanza Fonder AB | 0.00% | Reduce -42.9% | 7,667 | $20K |
| Firsthand Capital Management, Inc. | 0.04% | No change | 6,800 | $17K |
| Royal Bank of Canada | 0.00% | Add +29.5% | 6,273 | $16K |
| Barclays PLC | 0.00% | Reduce -88.2% | 5,869 | $15K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 5,528 | $14K |
| PNC Financial Services Group, Inc. | 0.00% | Add +23526.1% | 5,434 | $14K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +18.7% | 5,257 | $13K |
| Rockefeller Capital Management L.P. | 0.00% | No change | 4,670 | $12K |
| State of Alaska, Department of Revenue | 0.00% | No change | 3,998 | $10K |
| Legal & General Group Plc | 0.00% | No change | 2,872 | $7K |
| Russell Investments Group, Ltd. | 0.00% | Add +8.4% | 2,840 | $7K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 2,422 | $6K |
| California State Teachers Retirement System | 0.00% | Reduce -11.9% | 1,731 | $4K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -13.5% | 1,596 | $4K |
| Citigroup Inc. | 0.00% | Reduce -93.3% | 1,486 | $4K |
| New York State Common Retirement Fund | 0.00% | No change | 1,400 | $4K |
| McMillan Office, Inc. | 0.00% | No change | 1,390 | $4K |
| Northwestern Mutual Wealth Management Co. | 0.00% | No change | 1,184 | $3K |
| MAI Capital Management | 0.00% | Add +1720.6% | 1,147 | $3K |
| Sterling Capital Management LLC | 0.00% | Reduce -42.6% | 1,059 | $3K |
| Arax Advisory Partners | 0.00% | Add +14.1% | 913 | $2K |
| Allworth Financial LP | 0.00% | Add +98.6% | 844 | $2K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +415.3% | 608 | $2K |
| Osaic Holdings, Inc. | 0.00% | Reduce -26.0% | 570 | $1K |
| Optiver Holding B.V. | 0.00% | Reduce -41.2% | 320 | $819 |
| Farther Finance Advisors, LLC | 0.00% | Reduce -30.8% | 323 | $762 |
| Wealth Preservation Advisors, LLC | 0.00% | New | 239 | $612 |
| Essential Partners LLC | 0.00% | Add +39.1% | 210 | $538 |
| IFP Advisors, Inc | 0.00% | Add +2.4% | 169 | $433 |
| Rothschild Investment LLC | 0.00% | Add +41.6% | 143 | $366 |
| SJS Investment Consulting Inc. | 0.00% | Add +85.9% | 119 | $305 |
| Basecamp Wealth Advisors LLC | 0.00% | New | 69 | $177 |
| Root Financial Partners, LLC | 0.00% | New | 64 | $164 |
| True Wealth Design, LLC | 0.00% | Add +50.0% | 12 | $31 |
| JPL Wealth Management, LLC | 0.00% | New | 2 | $6 |
| Acadian Asset Management LLC | 0.00% | No change | 10 | $0 |
"% of holder's portfolio" is ARQ's weight in each manager's 13F, not the share of Arq Inc. the manager owns.