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NASDAQ · IOSPMaterialsChemicals

Innospec Inc. (IOSP)

$99.23−0.32%
Close Nov 3, 2026 · split-adjusted
Nov 3, 2026$99.23▲ 34.73% in range
Nov 3, 2025Low $65.89 · High $101.41Nov 3, 2026
What changed · written from our data
As of Nov 3, 2026

Innospec closed at $99.23 on Nov 3, down 0.32%, 2.1% below its 52-week closing high. Volume of 279.8K shares was 1.25× its 20-day average (close to normal).

Split-adjusted performance: +1.6% over one month, +26.9% over six months, +34.9% over one year.

In the quarter ended Jun 30, 2026, revenue was $491.40M, up 11.8% from a year earlier, with a net margin of 6.3%.

Short interest was 483.2K shares at the Oct 15 settlement, down 1.8% from the prior report (2.0% of float, 2.3 days to cover).

Market cap$2.44B24.6M shares
Revenue · quarter$491.4M+11.8% YoY
Diluted EPS$1.25+33.0% YoY
P/E · TTM20.1×P/S 1.3×
Net margin6.3%Gross 28.1%
Dividend yield1.85%$0.92 last paid
52-week range65.89 – 101.41−2.1% from high
Volume279.8K1.25× 20-day avg
Volatility · 60d16.6%Annualised
Short % of float2.0%2.3 days to cover
Net cash$250.2MCash $250.2M
Next earnings—Not scheduled
Split-adjusted performance
1W −0.7%1M +1.6%3M +7.9%6M +26.9%YTD +29.6%1Y +34.9%3Y +3.0%5Y +13.4%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Chemicals

Percentile among 14 companies (100 = best)

6-month momentum100
Revenue growth50
Net margin69
Value (low P/E)—
Size69

Industry medians: 6-month return −28.9%, revenue growth +11.8%, net margin 1.7%, P/E 32.7×.

Short interest

Details →
Shares short483.2K−1.8% vs prior
Days to cover2.3Settled Oct 15
% of float2.0%
Short vol. 10d52.2%of daily volume

Closest peers by size in Chemicals

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
IOSPInnospec$99.23−0.32%+26.9%+11.8%6.3%20.1$2.44B
NGVTIngevity$73.63−0.11%−4.5%−5.2%11.2%46.9$2.53BCompare
OLNOlin$17.53−3.42%−38.9%+2.0%0.8%—$2.00BCompare
CCThe Chemours$13.09−0.53%−53.1%−1.5%−17.2%—$1.97BCompare
HUNHuntsman$9.55−4.02%−36.3%+14.1%−0.4%—$1.67BCompare
PRMPerimeter Solutions$28.54+1.71%−5.4%+31.5%−85.0%—$4.67BCompare
ECVTEcovyst$10.050.00%−31.8%+42.0%3.1%—$1.10BCompare
BCPCBalchem$175.51+0.52%+8.9%+8.6%16.1%32.7$5.59BCompare
FMCFMC$6.09−6.31%−59.0%−80.5%−1951.7%—$947.4MCompare

News about Innospec

All news →
Innospec (IOSP) Q3 Earnings Beat EstimatesZacks Investment Research · 1d agoNeutralInnospec Schedules Second Quarter 2026 Earnings Release and Conference CallGlobeNewswire Inc. · Jul 6, 2026NeutralInnospec (IOSP) Q4 2024 Earnings TranscriptThe Motley Fool · Apr 20, 2026Neutral

Quick answers

What does Innospec do?
Innospec Inc manufactures and sells a variety of chemicals and fuel additives. The firm organizes itself into three segments based on product type.
What is IOSP's market cap?
$2.44B, based on the Nov 3 close of $99.23.
What is IOSP's P/E ratio?
20.1× trailing-twelve-month earnings of $121.50M.
Does Innospec pay a dividend?
Yes. The latest regular dividend was $0.92 per share (ex-date May 19), an annualised yield of 1.85%.
How much of IOSP is sold short?
483.2K shares, 2.0% of float, as of Oct 15, 2026.
What sector is IOSP in?
Materials, in the Chemicals industry.

About Innospec

Innospec Inc manufactures and sells a variety of chemicals and fuel additives. The firm organizes itself into three segments based on product type. The Performance Chemicals segment that derives maximum revenue, provides technology-based solutions for its customers' processes or products in personal care, home care, agrochemical, construction, mining and other industrial markets. The Fuel Specialties segment develops, manufactures, blends, markets and supplies a range of specialty chemical products used as additives in diesel, jet, marine, fuel oil and other fuels. The Oilfield Services segment develops and markets chemical solutions for drilling, completion, production, DRA and oil and gas applications.

HQ: Englewood, CO2,450 employeesListed May 13, 1998innospec.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology