Innospec Inc. (IOSP) stock
Close on Nov 12, 2026Market cap $1.95BP/E –Yield 2.16%
Innospec Inc. grew revenue 4.7% to $1.87B over the twelve months to Sep 30, 2026. Operating income rose 33.0% to $164.70M, moving the operating margin from 6.9% to 8.8%. At the latest close the market valued the company at $1.95B.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026
Valuation
- Market cap
- $1.95B
- P/E ratio
- –
- Price to sales
- 1.04
- Price to book
- 1.42
- Dividend yield
- 2.16%
- Free cash flow yield
- –
Fundamentals
- Revenue
- $1.87B
- EPS, diluted
- $4.67
- Book value per share
- $55.49
- Diluted shares
- 25M
Trading
- Next earnings
- Feb 17, 2027 (estimated, before the open)
- Previous close
- $78.29
- Open
- $78.20
- Day's range
- $77.42 – $79.21
- Volume
- 250,357
- Average volume (20 days)
- 284,272
- Index membership
- S&P SmallCap 600, Russell 2000, Russell 3000
- Beta (5 years)
- 0.86
- 52-week range
- $65.51 – $102.00
- RSI (14 days)
- 25.9
- Volatility (1 year)
- 29.8%
- Relative volume
- 1.21×
- WACC
- 9.2%
Index membership is inferred from the holdings of funds that track each index (SPSM, IJR, IWM, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.
Market cap history
Month-end market cap since 2010, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.
| Period | IOSP | S&P 500 | Difference | IOSP per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -17.3% | -2.7% | −14.6 pts | ||
| 3 months | -15.0% | -1.7% | −13.3 pts | ||
| Year to date | +4.6% | +11.9% | −7.3 pts | ||
| 1 year | +8.2% | +12.0% | −3.8 pts | ||
| 3 years | -17.9% | +78.2% | −96.1 pts | -6.4% | +21.2% |
| 5 years | -8.8% | +73.2% | −82.0 pts | -1.8% | +11.6% |
| 10 years | +51.0% | +309.6% | −258.6 pts | +4.2% | +15.1% |
Fifteen years at a glance
Fiscal years 2011 to 2025 and trailing twelve months, USD
Revenue
Gross profit
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases Innospec filed with the SEC as exhibits to Form 8-K or 6-K
- Results
- Results
- Results
- Results
- Results
- Results
About Innospec
Chemicals & Allied Products
Innospec Inc. develops, manufactures, blends, and supplies specialty chemicals across three core operating segments: Performance Chemicals, Fuel Specialties, and Oilfield Services. The Performance Chemicals unit delivers technology-based formulations for personal care, agrochemicals, home care, construction, and mining applications. The Fuel Specialties segment produces fuel additives designed to enhance fuel efficiency, improve engine operation, and decrease emissions for trucking, aviation, marine, and industrial machinery. The Oilfield Services business provides chemical solutions for drilling, production, completion, and drag reduction to optimize oil and gas operations. The company serves multinational consumer product makers, agricultural and industrial corporations, fuel retailers, marine operators, and energy exploration firms.
Company profile, executives and historyInnospec stock: common questions
What is Innospec's stock price?
IOSP closed at $79.11 on Nov 12, 2026, up 1.05% on the day. Over the past 52 weeks it traded between $65.51 and $102.00.
What is Innospec's market cap?
Innospec was worth $1.95B at the close on Nov 12, 2026: the share price times the diluted shares outstanding.
How much revenue does Innospec make?
Innospec reported revenue of $1.87B for the twelve months to Sep 30, 2026, up 4.7% from a year earlier.
Does Innospec pay a dividend?
Yes. Innospec paid $1.71 per share over the last twelve months, a yield of 2.16% at the latest price, and has raised its annual dividend 12 years in a row.
When does Innospec report earnings next?
Innospec is expected to report Q4 FY2026 results on Feb 17, 2027, before the open. The date is estimated from its past reporting pattern until the company confirms it.
How has IOSP stock performed over the past year?
Including dividends, IOSP returned +8.2% over the past year, against +12.0% for the S&P 500.
How many IOSP shares are sold short?
0M shares were sold short at the latest FINRA report, 1.88% of the float, or 1.9 days of average trading volume.
Who are Innospec's competitors?
Companies most similar to Innospec by business, industry and size include NGVT, BCPC, PRM, FMC, ECVT.
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