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Innospec

IOSP
41
Chemicals - Specialty · Basic Materials
Price
$93.63
+0.71 (+0.76%)
Market Cap
$2.31B
Exchange
NASDAQ
Winston Score
41
Winston is serious
Mixed quality — meaningful strengths and weaknesses.
Data as of Aug 23, 2026 · filings through Jun 30, 2026
How the score breaks down
Quality
Mixed
Growth
Mixed
Cash Flow
Good
Stability
Good
Valuation
Mixed
Dividends
Good

Winston Score History

The full picture

Innospec is a specialty chemicals company that makes additives and ingredients used in fuels, personal care products, and home care products. Its fuel additives help gasoline and diesel burn more cleanly and efficiently, while its performance chemicals go into shampoos, detergents, and cosmetics. The company sells to oil refiners, fuel distributors, and consumer goods manufacturers around the world.

Innospec earns money by selling these specialty chemical products directly to industrial and commercial customers, with pricing tied to the value its additives provide rather than just raw material costs. The company operates globally, with significant business in North America, Europe, and Asia, and generates roughly $2 billion in annual revenue. Its competitive edge comes from proprietary formulations and long-standing customer relationships, which make switching suppliers difficult. The main risk is that its fuel additives business faces long-term pressure as electric vehicles reduce demand for traditional gasoline and diesel engines.

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Growth Profile

When traditional metrics don't capture the full picture, these are the signals growth stock investors use instead.

Revenue Growth

+11.8% YoY

YoY Growth Rate

Steady revenue growth

EPS Growth

+33.0% YoY

YoY Growth Rate

EPS growth accelerating

R&D Spend

$51M/ year

Rising (+7% vs prior year)

2.9% of revenue

In line with sector average (3%)

R&D investment increasing — building for the future

Insider Activity

1.2%ownership

Flat

Insider ownership roughly steady over the past year

Cash Runway

~4 years

$250M cash & investments

Quarterly Free Cash Flow

↓ Burn rate worsening

$250M cash & investments at current burn rate

Growth context

Innospec is growing revenue at 12% year-over-year. The Winston Score measures business quality today — these growth metrics show what could matter tomorrow.

The Winston Score above measures business quality today. Growth stocks often score lower because they invest in the future rather than maximising current profits. These metrics show what matters most for evaluating that future.

Share count broadly stable

+0.6% over 4y

The share count has stayed roughly flat over this period — little dilution or buyback activity.

Diluted shares outstanding: 24.9M (2021) → 25.0M (2025)

Score breakdown

Every number that matters to educated investors.

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Quality

Profit per sale
Gross Margin
28.1%
Modest — 28.1% gross margin
Profit after running costs
Operating Margin
8.1%
Modest — 8.1% operating margin
Return on the money invested
ROCE
11.1%
Below par — 11.1% return on capital

ROIC between 5% and 15%. They earn 5 to 15 cents back per year on every dollar invested.

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Growth

Sales growth
Sales YoY
+2.9%
Nearly flat sales (+2.9% YoY)
Profit growth
EPS YoY
+537.7%
Earnings growing fast (+537.7% YoY)

Earnings growing 25%+ a year. The compounder zone.

How steady the profit is
EPS Consistency
2/8 quarters
Earnings rarely grow — volatile business

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Cash Flow

Profit that turns into cash
Cash Conversion
103%
Turns 103% of profit into real cash
Spare cash per sale
FCF Margin
3.5%
Thin free cash flow (3.5%)

FCF margin between 0% and 10%. Some cash from sales, but not a lot.

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Stability

What it owes vs what it owns
Debt / Equity
N/A
Data not available
Covers its interest
Interest Cover
100.00x
Comfortably covers interest (100.0x)

Interest coverage above 8. Profits cover interest many times over.

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Valuation

Price vs profit
P/E Ratio (TTM)
19.1x
Fair value — P/E 19.1

P/E in the normal range. Price is roughly $15 for every $1 of yearly profit.

Cheaper or dearer next year
P/E vs Forward
-0.2
SLOWING
Earnings expected to fall — forward P/E higher than today

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Dividends

Dividend
Dividend Yield
1.91%
Small dividend — 1.91% yield

Modest yield. The bulk of any return needs to come from price appreciation.

Dividend record
Dividend Growth
+21.3%
Dividend growing fast (21.3% YoY)

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