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Side-by-side financial comparison of Koppers Holdings Inc. (KOP) and WillScot Holdings Corp (WSC). Click either name above to swap in a different company.

WillScot Holdings Corp is the larger business by last-quarter revenue ($566.0M vs $432.7M, roughly 1.3× Koppers Holdings Inc.). Koppers Holdings Inc. runs the higher net margin — 6.9% vs -33.1%, a 40.0% gap on every dollar of revenue. On growth, WillScot Holdings Corp posted the faster year-over-year revenue change (-6.1% vs -9.3%). WillScot Holdings Corp produced more free cash flow last quarter ($149.7M vs $28.5M). Over the past eight quarters, WillScot Holdings Corp's revenue compounded faster (-1.8% CAGR vs -6.7%).

Koppers is a global chemical and materials company based in Pittsburgh, Pennsylvania, United States. Its headquarters is an art-deco 1920s skyscraper, the Koppers Tower.

WillScot Holdings Corp is a leading provider of modular space solutions and portable storage services across North America. It serves a wide range of sectors including construction, commercial development, education, healthcare, government projects, and special events, offering flexible, scalable temporary and semi-permanent space solutions tailored to diverse client needs.

KOP vs WSC — Head-to-Head

Bigger by revenue
WSC
WSC
1.3× larger
WSC
$566.0M
$432.7M
KOP
Growing faster (revenue YoY)
WSC
WSC
+3.2% gap
WSC
-6.1%
-9.3%
KOP
Higher net margin
KOP
KOP
40.0% more per $
KOP
6.9%
-33.1%
WSC
More free cash flow
WSC
WSC
$121.2M more FCF
WSC
$149.7M
$28.5M
KOP
Faster 2-yr revenue CAGR
WSC
WSC
Annualised
WSC
-1.8%
-6.7%
KOP

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
KOP
KOP
WSC
WSC
Revenue
$432.7M
$566.0M
Net Profit
$29.7M
$-187.3M
Gross Margin
25.6%
50.4%
Operating Margin
11.5%
-32.5%
Net Margin
6.9%
-33.1%
Revenue YoY
-9.3%
-6.1%
Net Profit YoY
391.2%
-310.0%
EPS (diluted)
$1.44
$-1.02

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
KOP
KOP
WSC
WSC
Q4 25
$432.7M
$566.0M
Q3 25
$485.3M
$566.8M
Q2 25
$504.8M
$589.1M
Q1 25
$456.5M
$559.6M
Q4 24
$477.0M
$602.5M
Q3 24
$554.3M
$601.4M
Q2 24
$563.2M
$604.6M
Q1 24
$497.6M
$587.2M
Net Profit
KOP
KOP
WSC
WSC
Q4 25
$29.7M
$-187.3M
Q3 25
$23.8M
$43.3M
Q2 25
$16.4M
$47.9M
Q1 25
$-13.9M
$43.1M
Q4 24
$-10.2M
$89.2M
Q3 24
$22.8M
$-70.5M
Q2 24
$26.8M
$-46.9M
Q1 24
$13.0M
$56.2M
Gross Margin
KOP
KOP
WSC
WSC
Q4 25
25.6%
50.4%
Q3 25
24.1%
49.7%
Q2 25
22.6%
50.3%
Q1 25
23.2%
53.7%
Q4 24
17.5%
55.8%
Q3 24
21.9%
53.5%
Q2 24
21.6%
54.1%
Q1 24
19.3%
54.0%
Operating Margin
KOP
KOP
WSC
WSC
Q4 25
11.5%
-32.5%
Q3 25
10.7%
21.0%
Q2 25
7.7%
21.5%
Q1 25
5.9%
21.3%
Q4 24
1.3%
28.9%
Q3 24
9.0%
-5.9%
Q2 24
10.2%
-0.9%
Q1 24
7.0%
22.1%
Net Margin
KOP
KOP
WSC
WSC
Q4 25
6.9%
-33.1%
Q3 25
4.9%
7.6%
Q2 25
3.2%
8.1%
Q1 25
-3.0%
7.7%
Q4 24
-2.1%
14.8%
Q3 24
4.1%
-11.7%
Q2 24
4.8%
-7.7%
Q1 24
2.6%
9.6%
EPS (diluted)
KOP
KOP
WSC
WSC
Q4 25
$1.44
$-1.02
Q3 25
$1.17
$0.24
Q2 25
$0.81
$0.26
Q1 25
$-0.68
$0.23
Q4 24
$-0.47
$0.48
Q3 24
$1.09
$-0.37
Q2 24
$1.25
$-0.25
Q1 24
$0.59
$0.29

Balance Sheet & Financial Strength

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

Metric
KOP
KOP
WSC
WSC
Cash + ST InvestmentsLiquidity on hand
$14.6M
Total DebtLower is stronger
$928.3M
$3.6B
Stockholders' EquityBook value
$574.0M
$856.3M
Total Assets
$1.9B
$5.8B
Debt / EquityLower = less leverage
1.62×
4.15×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
KOP
KOP
WSC
WSC
Q4 25
$14.6M
Q3 25
$14.8M
Q2 25
$12.8M
Q1 25
$10.7M
Q4 24
$9.0M
Q3 24
$11.0M
Q2 24
$5.9M
Q1 24
$13.1M
Total Debt
KOP
KOP
WSC
WSC
Q4 25
$928.3M
$3.6B
Q3 25
$932.9M
$3.6B
Q2 25
$977.5M
$3.7B
Q1 25
$989.0M
$3.6B
Q4 24
$939.5M
$3.7B
Q3 24
$989.4M
$3.6B
Q2 24
$1.0B
$3.5B
Q1 24
$877.6M
$3.5B
Stockholders' Equity
KOP
KOP
WSC
WSC
Q4 25
$574.0M
$856.3M
Q3 25
$545.6M
$1.1B
Q2 25
$526.8M
$1.0B
Q1 25
$498.0M
$1.0B
Q4 24
$488.7M
$1.0B
Q3 24
$532.3M
$1.1B
Q2 24
$509.2M
$1.2B
Q1 24
$505.8M
$1.3B
Total Assets
KOP
KOP
WSC
WSC
Q4 25
$1.9B
$5.8B
Q3 25
$1.9B
$6.1B
Q2 25
$1.9B
$6.1B
Q1 25
$1.9B
$6.0B
Q4 24
$1.9B
$6.0B
Q3 24
$2.0B
$6.0B
Q2 24
$1.9B
$6.0B
Q1 24
$1.8B
$6.2B
Debt / Equity
KOP
KOP
WSC
WSC
Q4 25
1.62×
4.15×
Q3 25
1.71×
3.39×
Q2 25
1.86×
3.55×
Q1 25
1.99×
3.56×
Q4 24
1.92×
3.62×
Q3 24
1.86×
3.42×
Q2 24
1.97×
2.88×
Q1 24
1.74×
2.63×

Cash Flow & Capital Efficiency

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

Metric
KOP
KOP
WSC
WSC
Operating Cash FlowLast quarter
$45.1M
$158.9M
Free Cash FlowOCF − Capex
$28.5M
$149.7M
FCF MarginFCF / Revenue
6.6%
26.5%
Capex IntensityCapex / Revenue
3.8%
1.6%
Cash ConversionOCF / Net Profit
1.52×
TTM Free Cash FlowTrailing 4 quarters
$67.5M
$737.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
KOP
KOP
WSC
WSC
Q4 25
$45.1M
$158.9M
Q3 25
$49.6M
$191.2M
Q2 25
$50.5M
$205.3M
Q1 25
$-22.7M
$206.6M
Q4 24
$74.7M
$178.9M
Q3 24
$29.8M
$-1.6M
Q2 24
$27.2M
$175.6M
Q1 24
$-12.3M
$208.7M
Free Cash Flow
KOP
KOP
WSC
WSC
Q4 25
$28.5M
$149.7M
Q3 25
$37.6M
$186.9M
Q2 25
$38.4M
$199.0M
Q1 25
$-37.0M
$202.0M
Q4 24
$56.1M
$176.6M
Q3 24
$14.4M
$-4.9M
Q2 24
$10.1M
$169.4M
Q1 24
$-38.6M
$202.1M
FCF Margin
KOP
KOP
WSC
WSC
Q4 25
6.6%
26.5%
Q3 25
7.7%
33.0%
Q2 25
7.6%
33.8%
Q1 25
-8.1%
36.1%
Q4 24
11.8%
29.3%
Q3 24
2.6%
-0.8%
Q2 24
1.8%
28.0%
Q1 24
-7.8%
34.4%
Capex Intensity
KOP
KOP
WSC
WSC
Q4 25
3.8%
1.6%
Q3 25
2.5%
0.7%
Q2 25
2.4%
1.1%
Q1 25
3.1%
0.8%
Q4 24
3.9%
0.4%
Q3 24
2.8%
0.6%
Q2 24
3.0%
1.0%
Q1 24
5.3%
1.1%
Cash Conversion
KOP
KOP
WSC
WSC
Q4 25
1.52×
Q3 25
2.08×
4.41×
Q2 25
3.08×
4.28×
Q1 25
4.80×
Q4 24
2.01×
Q3 24
1.31×
Q2 24
1.01×
Q1 24
-0.95×
3.71×

Financial Flow Comparison

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

Revenue Breakdown by Segment

KOP
KOP

Other$127.8M30%
Railroad Treated Products$119.0M28%
Utility Poles$79.8M18%
Pitch And Related Products$74.1M17%
Carbon Black Feedstock And Distillates$14.4M3%
Railroad Infrastructure Products And Services$9.9M2%
Phthalic Anhydride Naphthalene And Other Chemicals$7.7M2%

WSC
WSC

Modular Space Leasing$249.8M44%
Value Added Product And Services$101.0M18%
Portable Storage Leasing$83.0M15%
Delivery Revenue$48.2M9%
Installation Revenue$45.0M8%
Rental Units$19.7M3%
New Units$15.5M3%
Value Added Services$10.3M2%
Other Leasing Related Products And Services$3.8M1%

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