What is Innospec's shares (diluted)?

Innospec (IOSP) reported shares (diluted) of 24.8M in Q1 2026.

How has Innospec's shares (diluted) changed year-over-year?

Innospec's shares (diluted) decreased by 1.0% year-over-year, from 25.1M to 24.8M.

What is the long-term trend for Innospec's shares (diluted)?

Over 4 years (2021 to 2025), Innospec's shares (diluted) has grown at a 0.2% compound annual growth rate (CAGR), from 99.4M to 100M.

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.

Innospec IOSP Shares (Diluted)

Shares (Diluted) at other companies

Minerals TechnologiesMTX

31M-2.8%

Element SolutionsESI

243.7M+0.3%

Calumet, Inc.CLMT

87M+0.7%

Cabot CorporationCBT

52.2M-4.0%

AshlandASH

46M-2.1%

HWK

HawkinsHWKN

20.9M-0.4%

Other financials

Income statement

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Revenue$453.2M+2.8%

Gross profit$123.5M-1.3%

Operating income$36.5M-14.1%

Net income$30.4M-7.3%

EPS (diluted)$1.22-6.9%

Balance sheet

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Cash & equivalents$289.1M-3.6%

Total debt$50.6M+14.0%

Total equity$1.3B+6.7%

Total assets$1.8B+2.5%

Cash flow

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Operating cash flow$17.6M-37.8%

CapEx$8.9M+6.0%

Free cash flow$8.7M-56.3%

Valuation

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Market cap$2.02B-23.6%

Enterprise value$1.78B-25.7%

P/E17.7×—

P/S1.1×-0.4×

Profitability

See full

Gross margin27.4%-1.3pp

Operating margin6.9%-2.6pp

Net margin6.4%—

FCF margin4.5%-1.1pp

Returns & leverage

See full

Return on equity8.8%—

Debt / equity0×0.0×

Current ratio3×+0.3×

Where this comes from

Reported directly by Innospec in its filing.

Tagged under the XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding.

The official record: Innospec’s 10-Q, filed May 8, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Innospec's shares (diluted)?: Innospec (IOSP) reported shares (diluted) of 24.8M in Q1 2026.
How has Innospec's shares (diluted) changed year-over-year?: Innospec's shares (diluted) decreased by 1.0% year-over-year, from 25.1M to 24.8M.
What is the long-term trend for Innospec's shares (diluted)?: Over 4 years (2021 to 2025), Innospec's shares (diluted) has grown at a 0.2% compound annual growth rate (CAGR), from 99.4M to 100M.
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.