What is Arq, Inc.'s shares (basic)?

Arq, Inc. (ARQ) reported shares (basic) of 41.7M in Q1 2026.

How has Arq, Inc.'s shares (basic) changed year-over-year?

Arq, Inc.'s shares (basic) increased by 1.0% year-over-year, from 41.3M to 41.7M.

What is the long-term trend for Arq, Inc.'s shares (basic)?

Over 4 years (2021 to 2025), Arq, Inc.'s shares (basic) has grown at a 22.8% compound annual growth rate (CAGR), from 73M to 166M.

What does shares (basic) mean?

The time-weighted average number of common shares outstanding during the period, used as the denominator for basic EPS calculations.

Arq, Inc. ARQ Shares (Basic)

Shares (Basic) at other companies

PureCycle Technologies, Inc.PCT

180.5M+1.8%

EntegrisENTG

152.3M+0.6%

KBRKBR

127M-3.8%

CadizCDZI

83.5M+8.2%

Oil-Dri Corporation of AmericaODC

9.8M-0.6%

Koppers HoldingsKOP

19.6M-4.0%

Other financials

Income statement

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Revenue$29.1M+6.6%

Gross profit$9.9M+0.2%

Operating income-$982.0K-248%

Net income-$842.0K-515%

EPS (diluted)-$0.02—

Balance sheet

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Cash & equivalents$15.9M+7.1%

Total debt$60.6M+8.0%

Total equity$167.8M-23.1%

Total assets$232.1M-18.2%

Cash flow

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Operating cash flow$64.0K+101%

CapEx$740.0K-80.1%

Free cash flow-$676.0K+92.9%

Valuation

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Market cap$109.46M-50.4%

Enterprise value$154.18M-41.7%

P/S0.9×-1.0×

Profitability

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Gross margin27.5%-8.6pp

Operating margin-44.7%—

Net margin-43.9%-45.3pp

FCF margin-46.2%+5.6pp

Returns & leverage

See full

Return on equity-27.8%-28.6pp

Debt / equity0.4×+0.1×

Current ratio1×-0.1×

Where this comes from

Reported directly by Arq, Inc. in its filing.

Tagged under the XBRL concept us-gaap:WeightedAverageNumberOfSharesOutstandingBasic.

The official record: Arq, Inc.’s 10-Q, filed May 6, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Arq, Inc.'s shares (basic)?: Arq, Inc. (ARQ) reported shares (basic) of 41.7M in Q1 2026.
How has Arq, Inc.'s shares (basic) changed year-over-year?: Arq, Inc.'s shares (basic) increased by 1.0% year-over-year, from 41.3M to 41.7M.
What is the long-term trend for Arq, Inc.'s shares (basic)?: Over 4 years (2021 to 2025), Arq, Inc.'s shares (basic) has grown at a 22.8% compound annual growth rate (CAGR), from 73M to 166M.
What does shares (basic) mean?: The time-weighted average number of common shares outstanding during the period, used as the denominator for basic EPS calculations.