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Companies / Materials / Innospec Inc.
IOSP

Innospec Inc.

MaterialsChemicals
Ticker IOSPENGLEWOOD, COFiscal year ends DecemberBook value per share $54.15Diluted shares 24.8M

Innospec Inc. (Nasdaq: IOSP) develops, manufactures, blends, markets and supplies specialty chemicals to customers across the Americas, Europe, the Middle East, Africa and Asia-Pacific. Its three reportable segments are Performance Chemicals, which serves personal care, home care, agrochemical, construction, mining… From the company’s description.

In fiscal 2025, Innospec Inc. reported revenue of $1.78B, down 3.7% from fiscal 2024, and net income of $116.60M. Its operating margin was 7.3%, and operations generated $138.30M in cash. Over the twelve months to Jun 30, 2026, revenue was $1.84B.

Fiscal year 2025 · ends 12-31Changes are against fiscal 2024The amber dot is the latest twelve months, to 2026-06-30
Sales & profitability
$1.78BFY2025
−3.7% year over year
Last 12 mo $1.84B
7.28%FY2025
−2.4 percentage points
Last 12 mo 7.00%
$116.60MFY2025
+227.5% year over year
Last 12 mo $122.30M
11.52%FY2025
+8.6 percentage points
Last 12 mo 9.04%
Cash & financing
$138.30MFY2025
−25.0% year over year
Last 12 mo $125.50M
$62.80MFY2025
−48.6% year over year
Last 12 mo $50.50M
—
25.0MFY2025
−0.5% year over year
Last 12 mo 24.8M

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 Innospec Inc. does

In the company’s own words

Innospec Inc. (Nasdaq: IOSP) develops, manufactures, blends, markets and supplies specialty chemicals to customers across the Americas, Europe, the Middle East, Africa and Asia-Pacific. Its three reportable segments are Performance Chemicals, which serves personal care, home care, agrochemical, construction, mining and other industrial markets; Fuel Specialties, which supplies additives for diesel, jet, marine, fuel oil and other fuels; and Oilfield Services, which provides chemicals for drilling, completion, production and drag-reducing applications. Customers include multinational manufacturers and energy companies, fuel marketers and retailers, and oil and gas exploration and production firms. In 2025, the company employed approximately 2,450 people across 22 countries. Its fuel additives support fuel efficiency, engine performance and emissions reduction, while its Oilfield Services products serve oil and gas operations. The company’s AvGas product line supplies tetra ethyl lead for aviation gasoline. Its corporate website is www.innospec.com.

Company details
Sector
Materials
Industry (SIC)
Chemicals
Headquarters
ENGLEWOOD, CO
Fiscal year end
December
CIK
1054905
SIC
2800

Financial performance, year by year

Fiscal 2013–2025 · USD
$-196.37M$392.74M$981.85M$1.57B$2.16B2013201420152016201720182019202020212022202320242025Last 12 moLast 12 monthsLast 12 months

The 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.

Ownership

Who owns Innospec Inc. — and what changed

Funds as of 2026Q2 · superinvestors as of 2026-06-30

293
funds hold it
0 of 35
superinvestors hold it
$1.07B
held by funds, at market
53.8%
of shares held by funds

Largest fund holders · Innospec Inc.’s weight in each

iShares Core S&P Small-Cap ETF
IJR · iShares Trust
0.11%of fund net assets
Allspring Special Small Cap Value Fund
ESPAX · ALLSPRING FUNDS TRUST
3.32%of fund net assets
VANGUARD TOTAL STOCK MARKET INDEX FUND
VTI · VANGUARD INDEX FUNDS
0.00%of fund net assets
iShares Russell 2000 ETF
IWM · iShares Trust
0.06%of fund net assets
VANGUARD SMALL-CAP INDEX FUND
VB · VANGUARD INDEX FUNDS
0.02%of fund net assets

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.

Connected research

Put this business in context.

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  • “How do Innospec Inc. and its peers compare on margins and cash generation over ten years?”
  • “Where did five years of Innospec Inc.'s earnings go — cash, debt, buybacks, reinvestment?”
  • “What changed in Innospec Inc.'s last four quarterly filings that the numbers alone won't show?”
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