Innospec Inc. (IOSP) intrinsic value & 10-year financials
Innospec Inc. (IOSP) has a Graham intrinsic value of $65.11 per share. At $96.81 on Oct 17, 2026, the stock trades 49% above that value. Over the last 10 fiscal years revenue grew 8.1% a year to $1.8B, with an average return on invested capital of 10.7%.
- Graham intrinsic value
- $65.11
- Share price (Oct 17, 2026)
- $96.81
- Price vs Graham value
- 49% above
- Market cap
- $2.4B
- Revenue (FY2025)
- $1.8B
- Revenue growth (10-yr CAGR)
- 8.1%
- ROIC (10-yr avg)
- 10.7%
- Free cash flow (FY2025)
- —
IOSP 10-year financial history
| Fiscal year | Revenue | Net income | EPS (diluted) | Free cash flow | Operating margin | ROIC |
|---|---|---|---|---|---|---|
| FY2025 | $1.8B | $116.6M | $4.67 | — | 7.3% | 10.8% |
| FY2024 | $1.8B | $35.6M | $1.42 | — | 9.6% | 15.9% |
| FY2023 | $1.9B | $139.1M | $5.56 | — | 8.3% | 13.6% |
| FY2022 | $2.0B | $133.0M | $5.32 | — | 9.5% | 14.7% |
| FY2021 | $1.5B | $93.1M | $3.75 | — | 8.9% | 10.3% |
| FY2020 | $1.2B | $28.7M | $1.16 | — | 2.8% | 2.7% |
| FY2019 | $1.5B | $112.2M | $4.54 | — | 9.9% | 12.2% |
| FY2018 | $1.5B | $85.0M | $3.45 | — | 9.0% | 9.4% |
| FY2017 | $1.3B | $61.8M | $2.52 | — | 9.9% | 7.4% |
| FY2016 | $883.4M | $81.3M | $3.33 | — | 11.9% | 10.1% |
Source: annual 10-K filings on SEC EDGAR. Figures in USD.
Executive summary
INNOSPEC INC. is a consistent compounder, expanding top-line revenue at 8.1% annually over the past decade.
INNOSPEC INC. returns on capital have been average, hovering around 10.7% ROIC over the decade.
INNOSPEC INC. has not shown aggressive share repurchases (>10% retirement) or a major balance-sheet leverage increase (>50% net debt growth) over the 10-year window.
Benjamin Graham lens
Under Benjamin Graham's formula using SEC EDGAR fundamentals, INNOSPEC INC. is modeled at 3.8% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $65.11 per share.