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Side-by-side financial comparison of INNOSPEC INC. (IOSP) and WEX Inc. (WEX). Click either name above to swap in a different company.

WEX Inc. is the larger business by last-quarter revenue ($652.7M vs $455.6M, roughly 1.4× INNOSPEC INC.). INNOSPEC INC. runs the higher net margin — 10.4% vs 10.1%, a 0.3% gap on every dollar of revenue. On growth, INNOSPEC INC. posted the faster year-over-year revenue change (-2.4% vs -3.1%). INNOSPEC INC. produced more free cash flow last quarter ($46.8M vs $-9.2M). Over the past eight quarters, WEX Inc.'s revenue compounded faster (16.8% CAGR vs -4.6%).

Innospec Inc., formerly known as Octel Corporation and Associated Octel Company, Ltd., is an American specialty chemical company. It comprises three business units:The Performance Chemicals business trades in the personal care, home care, agrochemical, mining and industrial markets. The Fuel Specialties business specializes in manufacturing and supplying fuel additives. The Oilfield Services business supplies drilling, completion and production chemicals.

WEX Inc. is a provider of payment processing and information management services to the United States commercial and government vehicle fleet industry. The company is headquartered in Portland, Maine and provides services in the United States, Canada, South America, Europe, Asia, and Australia.

IOSP vs WEX — Head-to-Head

Bigger by revenue
WEX
WEX
1.4× larger
WEX
$652.7M
$455.6M
IOSP
Growing faster (revenue YoY)
IOSP
IOSP
+0.7% gap
IOSP
-2.4%
-3.1%
WEX
Higher net margin
IOSP
IOSP
0.3% more per $
IOSP
10.4%
10.1%
WEX
More free cash flow
IOSP
IOSP
$56.0M more FCF
IOSP
$46.8M
$-9.2M
WEX
Faster 2-yr revenue CAGR
WEX
WEX
Annualised
WEX
16.8%
-4.6%
IOSP

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
IOSP
IOSP
WEX
WEX
Revenue
$455.6M
$652.7M
Net Profit
$47.4M
$65.8M
Gross Margin
28.0%
Operating Margin
10.3%
25.2%
Net Margin
10.4%
10.1%
Revenue YoY
-2.4%
-3.1%
Net Profit YoY
167.3%
-15.3%
EPS (diluted)
$1.90

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
IOSP
IOSP
WEX
WEX
Q1 26
$652.7M
Q4 25
$455.6M
$465.1M
Q3 25
$441.9M
$481.6M
Q2 25
$439.7M
$454.4M
Q1 25
$440.8M
$444.3M
Q4 24
$466.8M
$440.3M
Q3 24
$443.4M
$479.0M
Q2 24
$435.0M
$478.6M
Net Profit
IOSP
IOSP
WEX
WEX
Q1 26
$65.8M
Q4 25
$47.4M
$84.2M
Q3 25
$12.9M
$80.3M
Q2 25
$23.5M
$68.1M
Q1 25
$32.8M
$71.5M
Q4 24
$-70.4M
$63.9M
Q3 24
$33.4M
$102.9M
Q2 24
$31.2M
$77.0M
Gross Margin
IOSP
IOSP
WEX
WEX
Q1 26
Q4 25
28.0%
39.0%
Q3 25
26.4%
43.0%
Q2 25
28.0%
40.0%
Q1 25
28.4%
39.2%
Q4 24
29.2%
41.5%
Q3 24
28.0%
48.0%
Q2 24
29.2%
44.9%
Operating Margin
IOSP
IOSP
WEX
WEX
Q1 26
25.2%
Q4 25
10.3%
35.7%
Q3 25
1.3%
38.1%
Q2 25
7.8%
34.5%
Q1 25
9.6%
35.4%
Q4 24
8.8%
35.7%
Q3 24
10.3%
41.0%
Q2 24
9.4%
35.1%
Net Margin
IOSP
IOSP
WEX
WEX
Q1 26
10.1%
Q4 25
10.4%
18.1%
Q3 25
2.9%
16.7%
Q2 25
5.3%
15.0%
Q1 25
7.4%
16.1%
Q4 24
-15.1%
14.5%
Q3 24
7.5%
21.5%
Q2 24
7.2%
16.1%
EPS (diluted)
IOSP
IOSP
WEX
WEX
Q1 26
Q4 25
$1.90
$2.38
Q3 25
$0.52
$2.30
Q2 25
$0.94
$1.98
Q1 25
$1.31
$1.81
Q4 24
$-2.80
$1.60
Q3 24
$1.33
$2.52
Q2 24
$1.24
$1.83

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
IOSP
IOSP
WEX
WEX
Cash + ST InvestmentsLiquidity on hand
$292.5M
$780.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.3B
Total Assets
$1.8B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IOSP
IOSP
WEX
WEX
Q1 26
$780.0M
Q4 25
$292.5M
$5.2B
Q3 25
$270.8M
$4.9B
Q2 25
$266.6M
$4.9B
Q1 25
$299.8M
$4.4B
Q4 24
$289.2M
$4.4B
Q3 24
$303.8M
$4.3B
Q2 24
$240.2M
$4.0B
Stockholders' Equity
IOSP
IOSP
WEX
WEX
Q1 26
Q4 25
$1.3B
$1.2B
Q3 25
$1.3B
$1.1B
Q2 25
$1.3B
$978.7M
Q1 25
$1.3B
$810.4M
Q4 24
$1.2B
$1.5B
Q3 24
$1.2B
$1.7B
Q2 24
$1.2B
$1.8B
Total Assets
IOSP
IOSP
WEX
WEX
Q1 26
Q4 25
$1.8B
$14.4B
Q3 25
$1.8B
$14.4B
Q2 25
$1.8B
$14.7B
Q1 25
$1.8B
$14.0B
Q4 24
$1.7B
$13.3B
Q3 24
$1.8B
$14.0B
Q2 24
$1.7B
$14.2B

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
IOSP
IOSP
WEX
WEX
Operating Cash FlowLast quarter
$61.4M
Free Cash FlowOCF − Capex
$46.8M
$-9.2M
FCF MarginFCF / Revenue
10.3%
-1.4%
Capex IntensityCapex / Revenue
3.2%
5.2%
Cash ConversionOCF / Net Profit
1.30×
TTM Free Cash FlowTrailing 4 quarters
$88.0M
$818.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IOSP
IOSP
WEX
WEX
Q1 26
Q4 25
$61.4M
$294.7M
Q3 25
$39.3M
$376.6M
Q2 25
$9.3M
$264.6M
Q1 25
$28.3M
$-481.6M
Q4 24
$25.7M
$638.4M
Q3 24
$73.5M
$3.3M
Q2 24
$4.7M
$-7.0M
Free Cash Flow
IOSP
IOSP
WEX
WEX
Q1 26
$-9.2M
Q4 25
$46.8M
$256.3M
Q3 25
$25.0M
$341.6M
Q2 25
$-3.7M
$230.0M
Q1 25
$19.9M
$-514.2M
Q4 24
$13.6M
$599.7M
Q3 24
$65.8M
$-31.7M
Q2 24
$-6.2M
$-46.6M
FCF Margin
IOSP
IOSP
WEX
WEX
Q1 26
-1.4%
Q4 25
10.3%
55.1%
Q3 25
5.7%
70.9%
Q2 25
-0.8%
50.6%
Q1 25
4.5%
-115.7%
Q4 24
2.9%
136.2%
Q3 24
14.8%
-6.6%
Q2 24
-1.4%
-9.7%
Capex Intensity
IOSP
IOSP
WEX
WEX
Q1 26
5.2%
Q4 25
3.2%
8.3%
Q3 25
3.2%
7.3%
Q2 25
3.0%
7.6%
Q1 25
1.9%
7.3%
Q4 24
2.6%
8.8%
Q3 24
1.7%
7.3%
Q2 24
2.5%
8.3%
Cash Conversion
IOSP
IOSP
WEX
WEX
Q1 26
Q4 25
1.30×
3.50×
Q3 25
3.05×
4.69×
Q2 25
0.40×
3.89×
Q1 25
0.86×
-6.74×
Q4 24
9.99×
Q3 24
2.20×
0.03×
Q2 24
0.15×
-0.09×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

IOSP
IOSP

Refinery And Performance$147.0M32%
Personal Care$99.7M22%
Oilfield Services$93.1M20%
Other Fuel Specialties$47.1M10%
Other Performance Chemicals$40.0M9%
Home Care$28.7M6%

WEX
WEX

Segment breakdown not available.

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