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

PHINIA INC. is the larger business by last-quarter revenue ($889.0M vs $453.2M, roughly 2.0× INNOSPEC INC.). On growth, PHINIA INC. posted the faster year-over-year revenue change (6.7% vs 2.8%). Over the past eight quarters, INNOSPEC INC.'s revenue compounded faster (2.1% CAGR vs 1.5%).

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.

PHINIA Inc. is a global automotive technology provider specializing in fuel injection systems, starters, alternators, and hybrid/electric vehicle components. It serves OEMs and aftermarket customers across North America, Europe, Asia Pacific and key markets, covering passenger car, commercial vehicle and industrial mobility segments.

IOSP vs PHIN — Head-to-Head

Bigger by revenue
PHIN
PHIN
2.0× larger
PHIN
$889.0M
$453.2M
IOSP
Growing faster (revenue YoY)
PHIN
PHIN
+3.9% gap
PHIN
6.7%
2.8%
IOSP
Faster 2-yr revenue CAGR
IOSP
IOSP
Annualised
IOSP
2.1%
1.5%
PHIN

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
IOSP
IOSP
PHIN
PHIN
Revenue
$453.2M
$889.0M
Net Profit
$30.8M
Gross Margin
27.3%
21.7%
Operating Margin
8.1%
7.8%
Net Margin
6.8%
Revenue YoY
2.8%
6.7%
Net Profit YoY
-8.3%
EPS (diluted)
$1.22
$1.14

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
PHIN
PHIN
Q1 26
$453.2M
Q4 25
$455.6M
$889.0M
Q3 25
$441.9M
$908.0M
Q2 25
$439.7M
$890.0M
Q1 25
$440.8M
$796.0M
Q4 24
$466.8M
$833.0M
Q3 24
$443.4M
$839.0M
Q2 24
$435.0M
$868.0M
Net Profit
IOSP
IOSP
PHIN
PHIN
Q1 26
$30.8M
Q4 25
$47.4M
Q3 25
$12.9M
$13.0M
Q2 25
$23.5M
$46.0M
Q1 25
$32.8M
$26.0M
Q4 24
$-70.4M
Q3 24
$33.4M
$31.0M
Q2 24
$31.2M
$14.0M
Gross Margin
IOSP
IOSP
PHIN
PHIN
Q1 26
27.3%
Q4 25
28.0%
21.7%
Q3 25
26.4%
22.0%
Q2 25
28.0%
22.1%
Q1 25
28.4%
21.6%
Q4 24
29.2%
22.7%
Q3 24
28.0%
22.3%
Q2 24
29.2%
21.7%
Operating Margin
IOSP
IOSP
PHIN
PHIN
Q1 26
8.1%
Q4 25
10.3%
7.8%
Q3 25
1.3%
3.7%
Q2 25
7.8%
10.0%
Q1 25
9.6%
7.8%
Q4 24
8.8%
6.1%
Q3 24
10.3%
7.9%
Q2 24
9.4%
8.2%
Net Margin
IOSP
IOSP
PHIN
PHIN
Q1 26
6.8%
Q4 25
10.4%
Q3 25
2.9%
1.4%
Q2 25
5.3%
5.2%
Q1 25
7.4%
3.3%
Q4 24
-15.1%
Q3 24
7.5%
3.7%
Q2 24
7.2%
1.6%
EPS (diluted)
IOSP
IOSP
PHIN
PHIN
Q1 26
$1.22
Q4 25
$1.90
$1.14
Q3 25
$0.52
$0.33
Q2 25
$0.94
$1.14
Q1 25
$1.31
$0.63
Q4 24
$-2.80
$0.13
Q3 24
$1.33
$0.70
Q2 24
$1.24
$0.31

Balance Sheet & Financial Strength

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

Metric
IOSP
IOSP
PHIN
PHIN
Cash + ST InvestmentsLiquidity on hand
$289.1M
$359.0M
Total DebtLower is stronger
$970.0M
Stockholders' EquityBook value
$1.4B
$1.6B
Total Assets
$1.8B
$3.8B
Debt / EquityLower = less leverage
0.61×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IOSP
IOSP
PHIN
PHIN
Q1 26
$289.1M
Q4 25
$292.5M
$359.0M
Q3 25
$270.8M
$349.0M
Q2 25
$266.6M
$347.0M
Q1 25
$299.8M
$373.0M
Q4 24
$289.2M
$484.0M
Q3 24
$303.8M
$477.0M
Q2 24
$240.2M
$339.0M
Total Debt
IOSP
IOSP
PHIN
PHIN
Q1 26
Q4 25
$970.0M
Q3 25
$990.0M
Q2 25
$990.0M
Q1 25
$989.0M
Q4 24
$988.0M
Q3 24
$987.0M
Q2 24
$821.0M
Stockholders' Equity
IOSP
IOSP
PHIN
PHIN
Q1 26
$1.4B
Q4 25
$1.3B
$1.6B
Q3 25
$1.3B
$1.6B
Q2 25
$1.3B
$1.6B
Q1 25
$1.3B
$1.5B
Q4 24
$1.2B
$1.6B
Q3 24
$1.2B
$1.7B
Q2 24
$1.2B
$1.7B
Total Assets
IOSP
IOSP
PHIN
PHIN
Q1 26
$1.8B
Q4 25
$1.8B
$3.8B
Q3 25
$1.8B
$4.0B
Q2 25
$1.8B
$3.9B
Q1 25
$1.8B
$3.7B
Q4 24
$1.7B
$3.8B
Q3 24
$1.8B
$4.0B
Q2 24
$1.7B
$3.9B
Debt / Equity
IOSP
IOSP
PHIN
PHIN
Q1 26
Q4 25
0.61×
Q3 25
0.62×
Q2 25
0.61×
Q1 25
0.64×
Q4 24
0.63×
Q3 24
0.58×
Q2 24
0.47×

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
PHIN
PHIN
Operating Cash FlowLast quarter
$17.6M
$96.0M
Free Cash FlowOCF − Capex
$67.0M
FCF MarginFCF / Revenue
7.5%
Capex IntensityCapex / Revenue
2.0%
3.3%
Cash ConversionOCF / Net Profit
0.57×
TTM Free Cash FlowTrailing 4 quarters
$188.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IOSP
IOSP
PHIN
PHIN
Q1 26
$17.6M
Q4 25
$61.4M
$96.0M
Q3 25
$39.3M
$119.0M
Q2 25
$9.3M
$57.0M
Q1 25
$28.3M
$40.0M
Q4 24
$25.7M
$73.0M
Q3 24
$73.5M
$95.0M
Q2 24
$4.7M
$109.0M
Free Cash Flow
IOSP
IOSP
PHIN
PHIN
Q1 26
Q4 25
$46.8M
$67.0M
Q3 25
$25.0M
$93.0M
Q2 25
$-3.7M
$23.0M
Q1 25
$19.9M
$5.0M
Q4 24
$13.6M
$53.0M
Q3 24
$65.8M
$70.0M
Q2 24
$-6.2M
$92.0M
FCF Margin
IOSP
IOSP
PHIN
PHIN
Q1 26
Q4 25
10.3%
7.5%
Q3 25
5.7%
10.2%
Q2 25
-0.8%
2.6%
Q1 25
4.5%
0.6%
Q4 24
2.9%
6.4%
Q3 24
14.8%
8.3%
Q2 24
-1.4%
10.6%
Capex Intensity
IOSP
IOSP
PHIN
PHIN
Q1 26
2.0%
Q4 25
3.2%
3.3%
Q3 25
3.2%
2.9%
Q2 25
3.0%
3.8%
Q1 25
1.9%
4.4%
Q4 24
2.6%
2.4%
Q3 24
1.7%
3.0%
Q2 24
2.5%
2.0%
Cash Conversion
IOSP
IOSP
PHIN
PHIN
Q1 26
0.57×
Q4 25
1.30×
Q3 25
3.05×
9.15×
Q2 25
0.40×
1.24×
Q1 25
0.86×
1.54×
Q4 24
Q3 24
2.20×
3.06×
Q2 24
0.15×
7.79×

Financial Flow Comparison

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

Revenue Breakdown by Segment

IOSP
IOSP

Segment breakdown not available.

PHIN
PHIN

Customer$618.0M70%
Fuel Systems$194.0M22%
Other$77.0M9%

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