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

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

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

Arq, Inc.'s shares (diluted) decreased by 1.9% year-over-year, from 42.5M to 41.7M.

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

Over 4 years (2021 to 2025), Arq, Inc.'s shares (diluted) has grown at a 22.7% compound annual growth rate (CAGR), from 73.7M to 167.2M.

What does shares (diluted) mean?

The weighted-average shares outstanding plus all potentially dilutive shares from stock options, RSUs, convertible securities, and warrants, using the treasury stock method.

Arq, Inc. ARQ Shares (Diluted)

Shares (Diluted) at other companies

PureCycle Technologies, Inc.PCT

180.5M+1.1%

EntegrisENTG

153.2M+0.8%

KBRKBR

127M-3.8%

Oil-Dri Corporation of AmericaODC

13.9M-0.1%

Koppers HoldingsKOP

20.1M-1.2%

Cabot CorporationCBT

52.2M-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:WeightedAverageNumberOfDilutedSharesOutstanding.

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 (diluted)?: Arq, Inc. (ARQ) reported shares (diluted) of 41.7M in Q1 2026.
How has Arq, Inc.'s shares (diluted) changed year-over-year?: Arq, Inc.'s shares (diluted) decreased by 1.9% year-over-year, from 42.5M to 41.7M.
What is the long-term trend for Arq, Inc.'s shares (diluted)?: Over 4 years (2021 to 2025), Arq, Inc.'s shares (diluted) has grown at a 22.7% compound annual growth rate (CAGR), from 73.7M to 167.2M.
What does shares (diluted) mean?: The weighted-average shares outstanding plus all potentially dilutive shares from stock options, RSUs, convertible securities, and warrants, using the treasury stock method.