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INNOSPEC INC. IOSP

Nasdaq · stock · Chemicals & Allied Products · website · IPO 1998-05-13 · LEI

INNOSPEC INC. statistics & valuation

Market cap$2.0B
P / S1.1×
P / B1.5×
Dividend yield2.08%
Return on capital8.8%
Graham number -19.6%$74.86

Market cap as of 2026-06-29. Multiples are price-derived and refreshed daily; everything else from the latest financial reports. The Graham number is Benjamin Graham's rough maximum fair value ($74.86); a green figure means the price is below it.

Profitability & efficiency

Gross margin (%)
37.60% 30.90% 29.50% 30.80% 28.70% 29.30% 29.90% 30.30% 29.40% 27.70% 2016201720182019202020212022202320242025
Operating margin (%)
11.10% 9.60% 9.00% 9.90% 2.80% 8.90% 9.50% 8.30% 9.60% 7.30% 2016201720182019202020212022202320242025
Return on equity (%)
2016201720182019202020212022202320242025
Shares outstanding
24.4M 24.5M 24.6M 24.7M 24.8M 24.9M 25.0M 25.0M 25.1M 25.0M 2016201720182019202020212022202320242025
Net debt ($)
$166.9M $128.2M $84.5M -$17.1M -$105.3M 2016201720182019202020212022202320242025
Share buybacks ($)
2016201720182019202020212022202320242025
Return on assets (%)
2016201720182019202020212022202320242025
Free cash flow margin (%)
2016201720182019202020212022202320242025
Debt / equity (×)
0.41× 0.27× 0.25× 0.06× 0.00× 2016201720182019202020212022202320242025
EPS ($)
$3.33 $2.52 $3.45 $4.54 $1.16 $3.75 $5.32 $5.56 $1.42 $4.67 2016201720182019202020212022202320242025

Margins and returns computed from annual filings. Falling shares outstanding = buybacks; rising = dilution. Net debt = debt − cash (negative = net cash).

P / E vs its own history

INNOSPEC INC. trades at about 19.9× earnings — below its 10-year norm (10-year range 17.5×–79.8×, median 22.2×).

17.5× 79.8×

Shaded band = 10-year range (17.5×–79.8×); dot = today's 19.9×.

Historical P/E = month-end price near each fiscal year-end ÷ that year's EPS. A read on whether the stock is cheap or dear relative to how it has typically been valued — not a forecast.

Key ratios (by fiscal year)

RatioFY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Gross margin27.7%29.4%30.3%29.9%29.3%28.7%30.8%29.5%30.9%37.6%
Operating margin7.3%9.6%8.3%9.5%8.9%2.8%9.9%9.0%9.6%11.1%
Debt / equity—————0.00×0.06×0.25×0.27×0.41×
Current ratio2.792.582.382.152.162.242.082.242.152.41

Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.