Arq, Inc.
Arq, Inc. (Nasdaq: ARQ) is an environmental technology company that manufactures and sells activated carbon and other treatment chemicals for removing contaminants from air, water and soil. Its products include powdered and granular activated carbon and colloidal carbon, used by coal-fired power plants, industrial… From the company’s description.
Over the twelve months to Sep 30, 2026, Arq, Inc. reported revenue of $126.58M, up 7.3% from a year earlier, and a net loss of $49.40M. Its operating margin was −39.1%, and operations generated $4.93M in cash. In fiscal 2025, it reported revenue of $120.34M, up 10.4% from fiscal 2024, and a net loss of $52.61M.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What Arq, Inc. does
In the company’s own words
Arq, Inc. (Nasdaq: ARQ) is an environmental technology company that manufactures and sells activated carbon and other treatment chemicals for removing contaminants from air, water and soil. Its products include powdered and granular activated carbon and colloidal carbon, used by coal-fired power plants, industrial companies, municipal and industrial water treatment facilities, and remediation customers. Applications include mercury control, drinking water and wastewater treatment, gas purification, and contaminated soil and groundwater treatment. Arq operates as one business focused on advanced purification technologies, with a vertically integrated supply of lignite from its Five Forks Mine supporting production of powdered activated carbon. Its Red River Plant manufactures activated carbon, while its Corbin, Kentucky facility processes recovered coal fines; the company has paused granular activated carbon production and idled the Corbin facility. Arq employed 202 people across four facilities as of December 31, 2025. Its website is www.arq.com.
Company details
- Sector
- Materials
- Industry (SIC)
- Chemicals
- Headquarters
- GREENWOOD VILLAGE, CO
- Fiscal year end
- December
- CIK
- 1515156
- SIC
- 2890
Financial performance, year by year
Fiscal 2012–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns Arq, Inc. — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · Arq, Inc.’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
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