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Side-by-side financial comparison of LITTELFUSE INC (LFUS) and STANDARD MOTOR PRODUCTS, INC. (SMP). Click either name above to swap in a different company.

LITTELFUSE INC is the larger business by last-quarter revenue ($593.9M vs $385.1M, roughly 1.5× STANDARD MOTOR PRODUCTS, INC.). STANDARD MOTOR PRODUCTS, INC. runs the higher net margin — 2.0% vs -40.8%, a 42.8% gap on every dollar of revenue. On growth, LITTELFUSE INC posted the faster year-over-year revenue change (12.2% vs 12.2%). LITTELFUSE INC produced more free cash flow last quarter ($119.7M vs $-37.6M). Over the past eight quarters, STANDARD MOTOR PRODUCTS, INC.'s revenue compounded faster (7.8% CAGR vs 5.3%).

Littelfuse is a leading global manufacturer of circuit protection, sensing, and control components. Its product portfolio includes fuses, semiconductor protection devices, power switches, sensors, and circuit breakers, serving automotive, industrial electronics, consumer electronics, telecommunications, and renewable energy sectors worldwide to boost equipment safety and reliability.

Standard Motor Products, Inc. is a manufacturer and distributor of automotive parts. The company was founded in 1919 as a partnership by Elias Fife and Ralph Van Allen and incorporated by Fife in 1926. It is headquartered in Long Island City, New York, and trades on the New York Stock Exchange. SMP includes four operational segments: Vehicle Control, Temperature Control, Engineered Solutions and Nissens. SMP’s Vehicle Control and Temperature Control divisions supply automotive aftermarket com...

LFUS vs SMP — Head-to-Head

Bigger by revenue
LFUS
LFUS
1.5× larger
LFUS
$593.9M
$385.1M
SMP
Growing faster (revenue YoY)
LFUS
LFUS
+0.0% gap
LFUS
12.2%
12.2%
SMP
Higher net margin
SMP
SMP
42.8% more per $
SMP
2.0%
-40.8%
LFUS
More free cash flow
LFUS
LFUS
$157.4M more FCF
LFUS
$119.7M
$-37.6M
SMP
Faster 2-yr revenue CAGR
SMP
SMP
Annualised
SMP
7.8%
5.3%
LFUS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
LFUS
LFUS
SMP
SMP
Revenue
$593.9M
$385.1M
Net Profit
$-242.1M
$7.9M
Gross Margin
38.0%
31.7%
Operating Margin
-37.5%
5.6%
Net Margin
-40.8%
2.0%
Revenue YoY
12.2%
12.2%
Net Profit YoY
-367.6%
457.9%
EPS (diluted)
$-9.71
$0.34

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
LFUS
LFUS
SMP
SMP
Q4 25
$593.9M
$385.1M
Q3 25
$624.6M
$498.8M
Q2 25
$613.4M
$493.9M
Q1 25
$554.3M
$413.4M
Q4 24
$529.5M
$343.4M
Q3 24
$567.4M
$399.3M
Q2 24
$558.5M
$389.8M
Q1 24
$535.4M
$331.4M
Net Profit
LFUS
LFUS
SMP
SMP
Q4 25
$-242.1M
$7.9M
Q3 25
$69.5M
$-4.3M
Q2 25
$57.3M
$25.2M
Q1 25
$43.6M
$12.6M
Q4 24
$-51.8M
$-2.2M
Q3 24
$58.1M
$3.8M
Q2 24
$45.5M
$17.1M
Q1 24
$48.5M
$8.8M
Gross Margin
LFUS
LFUS
SMP
SMP
Q4 25
38.0%
31.7%
Q3 25
38.6%
32.4%
Q2 25
37.8%
30.6%
Q1 25
37.4%
30.2%
Q4 24
33.4%
29.4%
Q3 24
38.1%
30.4%
Q2 24
37.1%
28.6%
Q1 24
35.1%
27.0%
Operating Margin
LFUS
LFUS
SMP
SMP
Q4 25
-37.5%
5.6%
Q3 25
15.6%
9.5%
Q2 25
15.1%
8.7%
Q1 25
12.7%
5.9%
Q4 24
-9.3%
1.1%
Q3 24
15.5%
9.3%
Q2 24
11.7%
6.4%
Q1 24
10.3%
4.4%
Net Margin
LFUS
LFUS
SMP
SMP
Q4 25
-40.8%
2.0%
Q3 25
11.1%
-0.9%
Q2 25
9.3%
5.1%
Q1 25
7.9%
3.0%
Q4 24
-9.8%
-0.6%
Q3 24
10.2%
1.0%
Q2 24
8.1%
4.4%
Q1 24
9.0%
2.7%
EPS (diluted)
LFUS
LFUS
SMP
SMP
Q4 25
$-9.71
$0.34
Q3 25
$2.77
$-0.19
Q2 25
$2.30
$1.13
Q1 25
$1.75
$0.56
Q4 24
$-2.07
$-0.09
Q3 24
$2.32
$0.17
Q2 24
$1.82
$0.77
Q1 24
$1.93
$0.39

Balance Sheet & Financial Strength

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

Metric
LFUS
LFUS
SMP
SMP
Cash + ST InvestmentsLiquidity on hand
$563.7M
Total DebtLower is stronger
$802.6M
$618.7M
Stockholders' EquityBook value
$2.4B
$683.7M
Total Assets
$4.0B
$2.0B
Debt / EquityLower = less leverage
0.33×
0.90×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
LFUS
LFUS
SMP
SMP
Q4 25
$563.7M
Q3 25
$815.0M
$87.2M
Q2 25
$685.5M
$58.8M
Q1 25
$619.7M
$50.3M
Q4 24
$725.9M
$44.4M
Q3 24
$630.7M
$26.3M
Q2 24
$562.7M
$26.2M
Q1 24
$562.4M
$27.1M
Total Debt
LFUS
LFUS
SMP
SMP
Q4 25
$802.6M
$618.7M
Q3 25
$805.8M
$589.5M
Q2 25
$810.2M
$636.6M
Q1 25
$805.7M
$650.6M
Q4 24
$856.1M
$562.3M
Q3 24
$867.7M
$142.8M
Q2 24
$863.5M
$208.2M
Q1 24
$866.7M
$214.9M
Stockholders' Equity
LFUS
LFUS
SMP
SMP
Q4 25
$2.4B
$683.7M
Q3 25
$2.7B
$677.4M
Q2 25
$2.6B
$688.6M
Q1 25
$2.5B
$638.0M
Q4 24
$2.4B
$615.7M
Q3 24
$2.6B
$638.8M
Q2 24
$2.5B
$640.0M
Q1 24
$2.5B
$639.1M
Total Assets
LFUS
LFUS
SMP
SMP
Q4 25
$4.0B
$2.0B
Q3 25
$4.2B
$2.0B
Q2 25
$4.1B
$2.0B
Q1 25
$3.9B
$1.9B
Q4 24
$3.9B
$1.8B
Q3 24
$4.1B
$1.4B
Q2 24
$3.9B
$1.4B
Q1 24
$3.9B
$1.4B
Debt / Equity
LFUS
LFUS
SMP
SMP
Q4 25
0.33×
0.90×
Q3 25
0.30×
0.87×
Q2 25
0.31×
0.92×
Q1 25
0.33×
1.02×
Q4 24
0.35×
0.91×
Q3 24
0.34×
0.22×
Q2 24
0.35×
0.33×
Q1 24
0.35×
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
LFUS
LFUS
SMP
SMP
Operating Cash FlowLast quarter
$138.7M
$-28.2M
Free Cash FlowOCF − Capex
$119.7M
$-37.6M
FCF MarginFCF / Revenue
20.2%
-9.8%
Capex IntensityCapex / Revenue
3.2%
2.4%
Cash ConversionOCF / Net Profit
-3.59×
TTM Free Cash FlowTrailing 4 quarters
$366.1M
$18.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
LFUS
LFUS
SMP
SMP
Q4 25
$138.7M
$-28.2M
Q3 25
$146.9M
$91.6M
Q2 25
$82.5M
$54.3M
Q1 25
$65.8M
$-60.2M
Q4 24
$160.6M
$-1.5M
Q3 24
$80.4M
$88.3M
Q2 24
$69.4M
$35.6M
Q1 24
$57.1M
$-45.7M
Free Cash Flow
LFUS
LFUS
SMP
SMP
Q4 25
$119.7M
$-37.6M
Q3 25
$131.2M
$81.5M
Q2 25
$72.6M
$44.2M
Q1 25
$42.7M
$-69.4M
Q4 24
$134.8M
$-11.4M
Q3 24
$65.0M
$77.1M
Q2 24
$50.3M
$22.7M
Q1 24
$41.6M
$-55.8M
FCF Margin
LFUS
LFUS
SMP
SMP
Q4 25
20.2%
-9.8%
Q3 25
21.0%
16.3%
Q2 25
11.8%
8.9%
Q1 25
7.7%
-16.8%
Q4 24
25.5%
-3.3%
Q3 24
11.5%
19.3%
Q2 24
9.0%
5.8%
Q1 24
7.8%
-16.8%
Capex Intensity
LFUS
LFUS
SMP
SMP
Q4 25
3.2%
2.4%
Q3 25
2.5%
2.0%
Q2 25
1.6%
2.1%
Q1 25
4.2%
2.2%
Q4 24
4.9%
2.9%
Q3 24
2.7%
2.8%
Q2 24
3.4%
3.3%
Q1 24
2.9%
3.0%
Cash Conversion
LFUS
LFUS
SMP
SMP
Q4 25
-3.59×
Q3 25
2.11×
Q2 25
1.44×
2.15×
Q1 25
1.51×
-4.79×
Q4 24
Q3 24
1.39×
23.19×
Q2 24
1.53×
2.09×
Q1 24
1.18×
-5.18×

Financial Flow Comparison

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

Revenue Breakdown by Segment

LFUS
LFUS

Electronics Passive Products And Sensors$174.9M29%
Electronics Semiconductor$170.3M29%
Industrial Products$85.0M14%
Commercial Vehicle Products$76.2M13%
Passenger Car Products$72.8M12%
Automotive Sensors$14.7M2%
Dortmund Fab$12.5M2%

SMP
SMP

Engineered Solutions$66.1M17%
Electrical And Safety$63.6M17%
Temperature Control$61.5M16%
Europe Excluding Poland$55.5M14%
Other Thermal Components$30.7M8%
Air Conditioning$22.7M6%
Commercial Vehicle$19.7M5%
All Other$18.9M5%
PL$16.0M4%
Wire Sets And Other$11.9M3%
Engine Efficiency$10.0M3%
Construction Agriculture$7.8M2%

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