vs

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

INNOSPEC INC. is the larger business by last-quarter revenue ($455.6M vs $382.8M, roughly 1.2× Gentherm Inc). INNOSPEC INC. runs the higher net margin — 10.4% vs 0.8%, a 9.6% gap on every dollar of revenue. On growth, Gentherm Inc posted the faster year-over-year revenue change (8.5% vs -2.4%). INNOSPEC INC. produced more free cash flow last quarter ($46.8M vs $6.7M). Over the past eight quarters, Gentherm Inc's revenue compounded faster (3.7% 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.

Gentherm Incorporated, formerly Amerigon, is an American thermal management technologies company. Gentherm created the first thermoelectrically heated and cooled seat system for the automotive industry. Called the "Climate Control Seat" system, it was first adopted by the Ford Motor Company and introduced as an option on the model year 2000 Lincoln Navigator in 1999. Today it is available on more than 50 vehicles sold by Ford, General Motors, Toyota (Lexus), Kia, Hyundai, Nissan (Infiniti), R...

IOSP vs THRM — Head-to-Head

Bigger by revenue
IOSP
IOSP
1.2× larger
IOSP
$455.6M
$382.8M
THRM
Growing faster (revenue YoY)
THRM
THRM
+10.9% gap
THRM
8.5%
-2.4%
IOSP
Higher net margin
IOSP
IOSP
9.6% more per $
IOSP
10.4%
0.8%
THRM
More free cash flow
IOSP
IOSP
$40.1M more FCF
IOSP
$46.8M
$6.7M
THRM
Faster 2-yr revenue CAGR
THRM
THRM
Annualised
THRM
3.7%
-4.6%
IOSP

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
IOSP
IOSP
THRM
THRM
Revenue
$455.6M
$382.8M
Net Profit
$47.4M
$3.0M
Gross Margin
28.0%
23.7%
Operating Margin
10.3%
4.6%
Net Margin
10.4%
0.8%
Revenue YoY
-2.4%
8.5%
Net Profit YoY
167.3%
-80.5%
EPS (diluted)
$1.90
$0.08

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
THRM
THRM
Q4 25
$455.6M
$382.8M
Q3 25
$441.9M
$386.9M
Q2 25
$439.7M
$375.1M
Q1 25
$440.8M
$353.9M
Q4 24
$466.8M
$352.9M
Q3 24
$443.4M
$371.5M
Q2 24
$435.0M
$375.7M
Q1 24
$500.2M
$356.0M
Net Profit
IOSP
IOSP
THRM
THRM
Q4 25
$47.4M
$3.0M
Q3 25
$12.9M
$14.9M
Q2 25
$23.5M
$477.0K
Q1 25
$32.8M
$-128.0K
Q4 24
$-70.4M
$15.3M
Q3 24
$33.4M
$16.0M
Q2 24
$31.2M
$18.9M
Q1 24
$41.4M
$14.8M
Gross Margin
IOSP
IOSP
THRM
THRM
Q4 25
28.0%
23.7%
Q3 25
26.4%
24.6%
Q2 25
28.0%
23.9%
Q1 25
28.4%
24.4%
Q4 24
29.2%
24.4%
Q3 24
28.0%
25.5%
Q2 24
29.2%
25.7%
Q1 24
31.1%
24.9%
Operating Margin
IOSP
IOSP
THRM
THRM
Q4 25
10.3%
4.6%
Q3 25
1.3%
6.2%
Q2 25
7.8%
6.4%
Q1 25
9.6%
4.8%
Q4 24
8.8%
6.7%
Q3 24
10.3%
8.7%
Q2 24
9.4%
8.8%
Q1 24
10.1%
5.1%
Net Margin
IOSP
IOSP
THRM
THRM
Q4 25
10.4%
0.8%
Q3 25
2.9%
3.9%
Q2 25
5.3%
0.1%
Q1 25
7.4%
-0.0%
Q4 24
-15.1%
4.3%
Q3 24
7.5%
4.3%
Q2 24
7.2%
5.0%
Q1 24
8.3%
4.2%
EPS (diluted)
IOSP
IOSP
THRM
THRM
Q4 25
$1.90
$0.08
Q3 25
$0.52
$0.49
Q2 25
$0.94
$0.02
Q1 25
$1.31
$0.00
Q4 24
$-2.80
$0.48
Q3 24
$1.33
$0.51
Q2 24
$1.24
$0.60
Q1 24
$1.65
$0.47

Balance Sheet & Financial Strength

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

Metric
IOSP
IOSP
THRM
THRM
Cash + ST InvestmentsLiquidity on hand
$292.5M
$160.8M
Total DebtLower is stronger
$189.0M
Stockholders' EquityBook value
$1.3B
$720.3M
Total Assets
$1.8B
$1.4B
Debt / EquityLower = less leverage
0.26×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IOSP
IOSP
THRM
THRM
Q4 25
$292.5M
$160.8M
Q3 25
$270.8M
$154.3M
Q2 25
$266.6M
$128.3M
Q1 25
$299.8M
$163.1M
Q4 24
$289.2M
$134.1M
Q3 24
$303.8M
$150.6M
Q2 24
$240.2M
$123.5M
Q1 24
$270.1M
$125.1M
Total Debt
IOSP
IOSP
THRM
THRM
Q4 25
$189.0M
Q3 25
$189.0M
Q2 25
$209.0M
Q1 25
$262.0M
Q4 24
$220.1M
Q3 24
$222.1M
Q2 24
$222.1M
Q1 24
$222.2M
Stockholders' Equity
IOSP
IOSP
THRM
THRM
Q4 25
$1.3B
$720.3M
Q3 25
$1.3B
$717.9M
Q2 25
$1.3B
$699.7M
Q1 25
$1.3B
$646.5M
Q4 24
$1.2B
$616.9M
Q3 24
$1.2B
$660.7M
Q2 24
$1.2B
$640.3M
Q1 24
$1.2B
$647.1M
Total Assets
IOSP
IOSP
THRM
THRM
Q4 25
$1.8B
$1.4B
Q3 25
$1.8B
$1.4B
Q2 25
$1.8B
$1.4B
Q1 25
$1.8B
$1.3B
Q4 24
$1.7B
$1.2B
Q3 24
$1.8B
$1.3B
Q2 24
$1.7B
$1.2B
Q1 24
$1.7B
$1.3B
Debt / Equity
IOSP
IOSP
THRM
THRM
Q4 25
0.26×
Q3 25
0.26×
Q2 25
0.30×
Q1 25
0.41×
Q4 24
0.36×
Q3 24
0.34×
Q2 24
0.35×
Q1 24
0.34×

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
THRM
THRM
Operating Cash FlowLast quarter
$61.4M
$29.0M
Free Cash FlowOCF − Capex
$46.8M
$6.7M
FCF MarginFCF / Revenue
10.3%
1.7%
Capex IntensityCapex / Revenue
3.2%
5.8%
Cash ConversionOCF / Net Profit
1.30×
9.70×
TTM Free Cash FlowTrailing 4 quarters
$88.0M
$61.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IOSP
IOSP
THRM
THRM
Q4 25
$61.4M
$29.0M
Q3 25
$39.3M
$56.1M
Q2 25
$9.3M
$45.0M
Q1 25
$28.3M
$-13.3M
Q4 24
$25.7M
$36.6M
Q3 24
$73.5M
$46.3M
Q2 24
$4.7M
$37.1M
Q1 24
$80.6M
$-10.3M
Free Cash Flow
IOSP
IOSP
THRM
THRM
Q4 25
$46.8M
$6.7M
Q3 25
$25.0M
$46.5M
Q2 25
$-3.7M
$36.2M
Q1 25
$19.9M
$-28.2M
Q4 24
$13.6M
$13.6M
Q3 24
$65.8M
$26.6M
Q2 24
$-6.2M
$17.8M
Q1 24
$69.9M
$-21.6M
FCF Margin
IOSP
IOSP
THRM
THRM
Q4 25
10.3%
1.7%
Q3 25
5.7%
12.0%
Q2 25
-0.8%
9.6%
Q1 25
4.5%
-8.0%
Q4 24
2.9%
3.9%
Q3 24
14.8%
7.2%
Q2 24
-1.4%
4.7%
Q1 24
14.0%
-6.1%
Capex Intensity
IOSP
IOSP
THRM
THRM
Q4 25
3.2%
5.8%
Q3 25
3.2%
2.5%
Q2 25
3.0%
2.4%
Q1 25
1.9%
4.2%
Q4 24
2.6%
6.5%
Q3 24
1.7%
5.3%
Q2 24
2.5%
5.2%
Q1 24
2.1%
3.2%
Cash Conversion
IOSP
IOSP
THRM
THRM
Q4 25
1.30×
9.70×
Q3 25
3.05×
3.75×
Q2 25
0.40×
94.43×
Q1 25
0.86×
Q4 24
2.39×
Q3 24
2.20×
2.90×
Q2 24
0.15×
1.97×
Q1 24
1.95×
-0.70×

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%

THRM
THRM

Climate Control Seats$200.9M52%
Lumbar And Massage Comfort Solutions$58.5M15%
Climate Control Interiors$50.3M13%
Other Automotive$27.6M7%
Valve Systems$24.1M6%
Medical Segments$13.9M4%
Climate And Comfort Electronics$7.4M2%

Related Comparisons