Arq, Inc.
ARQ- Exchange
- Nasdaq
- Industry
- Miscellaneous Chemical Products
- SEC CIK
- 0001515156
In the last 90 days, Arq, Inc. insiders filed 3 open-market purchases and 0 sales; 99 institutions reported holding it in 13F filings for Q2 2026, worth $39.5M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Arq, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 103
- +9 vs. Q3 2025
- Shares held
- 15.9M
- −1.58M (−9.0%) vs. Q3 2025
- Total value
- $51.9M
- −$73.0M (−58.4%) vs. Q3 2025
- New holders
- 27
- 33 more added
- Sold out
- 18
- 26 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ARQ on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 99 | $39.5M |
| Q1 2026 | 96 | $37.6M |
| Q4 2025 | 103 | $51.9M |
| Q3 2025 | 95 | $128.1M |
| Q2 2025 | 83 | $88.4M |
| Q1 2025 | 90 | $70.1M |
| Q4 2024 | 93 | $126.8M |
| Q3 2024 | 87 | $94.7M |
| Q2 2024 | 73 | $70.7M |
| Q1 2024 | 58 | $45.2M |
| Q4 2023 | 46 | $18.3M |
| Q3 2023 | 39 | $10.6M |
| Q2 2023 | 36 | $10.5M |
| Q1 2023 | 38 | $11.7M |
| Q4 2022 | 44 | $15.5M |
| Q3 2022 | 50 | $18.4M |
| Q2 2022 | 57 | $33.5M |
| Q1 2022 | 67 | $48.4M |
| Q4 2021 | 68 | $55.3M |
| Q3 2021 | 65 | $52.6M |
| Q2 2021 | 76 | $69.3M |
| Q1 2021 | 66 | $63.1M |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Arq, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 1,830,017 | $5.98M | 0.00% | +94,744+5.5% | Added |
| BlackRock, Inc. | 2,045,938 | $6.69M | 0.00% | +38,506+1.9% | Added |
| AIGH Capital Management LLC | 2,273,092 | $7.43M | 2.20% | −306,394−11.9% | Reduced |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −686,105−100.0% | Sold out |
| Vitol Holding B.V. | 0 | $0 | 0.00% | −511,392−100.0% | Sold out |
| CenterBook Partners LP | 0 | $0 | 0.00% | −230,869−100.0% | Sold out |
| First Eagle Investment Management, LLC | 0 | $0 | 0.00% | −160,731−100.0% | Sold out |
| GatePass Capital, LLC | 0 | $0 | 0.00% | −88,968−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −83,520−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −48,921−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −42,108−100.0% | Sold out |
| Deutsche Bank AG | 0 | $0 | 0.00% | −34,264−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −26,503−100.0% | Sold out |
| Worth Venture Partners, LLC | 0 | $0 | 0.00% | −22,500−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −18,034−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −13,631−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −13,374−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −11,618−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −11,500−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −4,694−100.0% | Sold out |
| Jones Financial Companies LLLP | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| York Capital Management Global Advisors, LLC | – | – | – | – | Not filed |