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Side-by-side financial comparison of CARLISLE COMPANIES INC (CSL) and LITTELFUSE INC (LFUS). Click either name above to swap in a different company.

CARLISLE COMPANIES INC is the larger business by last-quarter revenue ($1.1B vs $593.9M, roughly 1.8× LITTELFUSE INC). CARLISLE COMPANIES INC runs the higher net margin — 12.1% vs -40.8%, a 52.9% gap on every dollar of revenue. On growth, LITTELFUSE INC posted the faster year-over-year revenue change (12.2% vs -4.0%). LITTELFUSE INC produced more free cash flow last quarter ($119.7M vs $-73.0M). Over the past eight quarters, LITTELFUSE INC's revenue compounded faster (5.3% CAGR vs -14.8%).

Carlisle Companies Incorporated is a supplier of construction products that make buildings more energy efficient and resilient. The company manufactures and sells single-ply roofing products as well as warranted systems and accessories for the commercial building industry. The company is organized into two segments, including Carlisle Construction Materials and Carlisle Weatherproofing Technologies. The company's product portfolio includes moisture protection products, protective roofing unde...

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.

CSL vs LFUS — Head-to-Head

Bigger by revenue
CSL
CSL
1.8× larger
CSL
$1.1B
$593.9M
LFUS
Growing faster (revenue YoY)
LFUS
LFUS
+16.2% gap
LFUS
12.2%
-4.0%
CSL
Higher net margin
CSL
CSL
52.9% more per $
CSL
12.1%
-40.8%
LFUS
More free cash flow
LFUS
LFUS
$192.7M more FCF
LFUS
$119.7M
$-73.0M
CSL
Faster 2-yr revenue CAGR
LFUS
LFUS
Annualised
LFUS
5.3%
-14.8%
CSL

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
CSL
CSL
LFUS
LFUS
Revenue
$1.1B
$593.9M
Net Profit
$127.7M
$-242.1M
Gross Margin
34.5%
38.0%
Operating Margin
17.1%
-37.5%
Net Margin
12.1%
-40.8%
Revenue YoY
-4.0%
12.2%
Net Profit YoY
-10.9%
-367.6%
EPS (diluted)
$3.10
$-9.71

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
CSL
CSL
LFUS
LFUS
Q1 26
$1.1B
Q4 25
$1.1B
$593.9M
Q3 25
$1.3B
$624.6M
Q2 25
$1.4B
$613.4M
Q1 25
$1.1B
$554.3M
Q4 24
$1.1B
$529.5M
Q3 24
$1.3B
$567.4M
Q2 24
$1.5B
$558.5M
Net Profit
CSL
CSL
LFUS
LFUS
Q1 26
$127.7M
Q4 25
$127.4M
$-242.1M
Q3 25
$214.2M
$69.5M
Q2 25
$255.8M
$57.3M
Q1 25
$143.3M
$43.6M
Q4 24
$162.8M
$-51.8M
Q3 24
$244.3M
$58.1M
Q2 24
$712.4M
$45.5M
Gross Margin
CSL
CSL
LFUS
LFUS
Q1 26
34.5%
Q4 25
33.8%
38.0%
Q3 25
36.0%
38.6%
Q2 25
37.3%
37.8%
Q1 25
35.2%
37.4%
Q4 24
36.1%
33.4%
Q3 24
38.6%
38.1%
Q2 24
39.2%
37.1%
Operating Margin
CSL
CSL
LFUS
LFUS
Q1 26
17.1%
Q4 25
16.8%
-37.5%
Q3 25
21.8%
15.6%
Q2 25
23.1%
15.1%
Q1 25
16.8%
12.7%
Q4 24
19.9%
-9.3%
Q3 24
23.7%
15.5%
Q2 24
26.0%
11.7%
Net Margin
CSL
CSL
LFUS
LFUS
Q1 26
12.1%
Q4 25
11.3%
-40.8%
Q3 25
15.9%
11.1%
Q2 25
17.6%
9.3%
Q1 25
13.1%
7.9%
Q4 24
14.5%
-9.8%
Q3 24
18.3%
10.2%
Q2 24
49.1%
8.1%
EPS (diluted)
CSL
CSL
LFUS
LFUS
Q1 26
$3.10
Q4 25
$3.06
$-9.71
Q3 25
$4.98
$2.77
Q2 25
$5.88
$2.30
Q1 25
$3.20
$1.75
Q4 24
$3.76
$-2.07
Q3 24
$5.25
$2.32
Q2 24
$14.84
$1.82

Balance Sheet & Financial Strength

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

Metric
CSL
CSL
LFUS
LFUS
Cash + ST InvestmentsLiquidity on hand
$771.3M
$563.7M
Total DebtLower is stronger
$802.6M
Stockholders' EquityBook value
$1.7B
$2.4B
Total Assets
$4.0B
Debt / EquityLower = less leverage
0.33×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSL
CSL
LFUS
LFUS
Q1 26
$771.3M
Q4 25
$1.1B
$563.7M
Q3 25
$1.1B
$815.0M
Q2 25
$68.4M
$685.5M
Q1 25
$220.2M
$619.7M
Q4 24
$753.5M
$725.9M
Q3 24
$1.5B
$630.7M
Q2 24
$1.7B
$562.7M
Total Debt
CSL
CSL
LFUS
LFUS
Q1 26
Q4 25
$2.9B
$802.6M
Q3 25
$2.9B
$805.8M
Q2 25
$1.9B
$810.2M
Q1 25
$1.9B
$805.7M
Q4 24
$1.9B
$856.1M
Q3 24
$2.3B
$867.7M
Q2 24
$2.3B
$863.5M
Stockholders' Equity
CSL
CSL
LFUS
LFUS
Q1 26
$1.7B
Q4 25
$1.8B
$2.4B
Q3 25
$2.0B
$2.7B
Q2 25
$2.1B
$2.6B
Q1 25
$2.2B
$2.5B
Q4 24
$2.5B
$2.4B
Q3 24
$2.8B
$2.6B
Q2 24
$3.0B
$2.5B
Total Assets
CSL
CSL
LFUS
LFUS
Q1 26
Q4 25
$6.3B
$4.0B
Q3 25
$6.5B
$4.2B
Q2 25
$5.5B
$4.1B
Q1 25
$5.5B
$3.9B
Q4 24
$5.8B
$3.9B
Q3 24
$6.5B
$4.1B
Q2 24
$6.7B
$3.9B
Debt / Equity
CSL
CSL
LFUS
LFUS
Q1 26
Q4 25
1.61×
0.33×
Q3 25
1.45×
0.30×
Q2 25
0.89×
0.31×
Q1 25
0.87×
0.33×
Q4 24
0.77×
0.35×
Q3 24
0.83×
0.34×
Q2 24
0.76×
0.35×

Cash Flow & Capital Efficiency

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

Metric
CSL
CSL
LFUS
LFUS
Operating Cash FlowLast quarter
$138.7M
Free Cash FlowOCF − Capex
$-73.0M
$119.7M
FCF MarginFCF / Revenue
-6.9%
20.2%
Capex IntensityCapex / Revenue
2.7%
3.2%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$924.8M
$366.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSL
CSL
LFUS
LFUS
Q1 26
Q4 25
$386.0M
$138.7M
Q3 25
$426.9M
$146.9M
Q2 25
$287.1M
$82.5M
Q1 25
$1.8M
$65.8M
Q4 24
$370.6M
$160.6M
Q3 24
$312.8M
$80.4M
Q2 24
$183.4M
$69.4M
Free Cash Flow
CSL
CSL
LFUS
LFUS
Q1 26
$-73.0M
Q4 25
$346.1M
$119.7M
Q3 25
$393.4M
$131.2M
Q2 25
$258.3M
$72.6M
Q1 25
$-27.2M
$42.7M
Q4 24
$334.0M
$134.8M
Q3 24
$293.5M
$65.0M
Q2 24
$158.5M
$50.3M
FCF Margin
CSL
CSL
LFUS
LFUS
Q1 26
-6.9%
Q4 25
30.7%
20.2%
Q3 25
29.2%
21.0%
Q2 25
17.8%
11.8%
Q1 25
-2.5%
7.7%
Q4 24
29.7%
25.5%
Q3 24
22.0%
11.5%
Q2 24
10.9%
9.0%
Capex Intensity
CSL
CSL
LFUS
LFUS
Q1 26
2.7%
Q4 25
3.5%
3.2%
Q3 25
2.5%
2.5%
Q2 25
2.0%
1.6%
Q1 25
2.6%
4.2%
Q4 24
3.3%
4.9%
Q3 24
1.4%
2.7%
Q2 24
1.7%
3.4%
Cash Conversion
CSL
CSL
LFUS
LFUS
Q1 26
Q4 25
3.03×
Q3 25
1.99×
2.11×
Q2 25
1.12×
1.44×
Q1 25
0.01×
1.51×
Q4 24
2.28×
Q3 24
1.28×
1.39×
Q2 24
0.26×
1.53×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CSL
CSL

CCM$758.0M72%
CWT$294.0M28%

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%

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