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

Koppers Holdings Inc. is the larger business by last-quarter revenue ($432.7M vs $269.6M, roughly 1.6× PROASSURANCE CORP). PROASSURANCE CORP runs the higher net margin — 12.4% vs 6.9%, a 5.5% gap on every dollar of revenue. On growth, PROASSURANCE CORP posted the faster year-over-year revenue change (-7.1% vs -9.3%). Over the past eight quarters, PROASSURANCE CORP's revenue compounded faster (-2.7% 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.

ProAssurance Corporation, headquartered in Birmingham, Alabama, is a property and casualty company that sells professional liability insurance to doctors. The company was founded in 1976 as Mutual Assurance and was later renamed to Medical Assurance in 1997. The name "ProAssurance" was created in 2001 when Medical Assurance merged with Professionals Group. The company is currently the fourth largest medical professional liability insurance writer and has over $6 billion in assets.

KOP vs PRA — Head-to-Head

Bigger by revenue
KOP
KOP
1.6× larger
KOP
$432.7M
$269.6M
PRA
Growing faster (revenue YoY)
PRA
PRA
+2.2% gap
PRA
-7.1%
-9.3%
KOP
Higher net margin
PRA
PRA
5.5% more per $
PRA
12.4%
6.9%
KOP
Faster 2-yr revenue CAGR
PRA
PRA
Annualised
PRA
-2.7%
-6.7%
KOP

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
KOP
KOP
PRA
PRA
Revenue
$432.7M
$269.6M
Net Profit
$29.7M
$33.4M
Gross Margin
25.6%
Operating Margin
11.5%
17.3%
Net Margin
6.9%
12.4%
Revenue YoY
-9.3%
-7.1%
Net Profit YoY
391.2%
106.4%
EPS (diluted)
$1.44
$0.65

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
PRA
PRA
Q4 25
$432.7M
$269.6M
Q3 25
$485.3M
$279.6M
Q2 25
$504.8M
$276.8M
Q1 25
$456.5M
$272.1M
Q4 24
$477.0M
$290.1M
Q3 24
$554.3M
$285.3M
Q2 24
$563.2M
$290.4M
Q1 24
$497.6M
$284.7M
Net Profit
KOP
KOP
PRA
PRA
Q4 25
$29.7M
$33.4M
Q3 25
$23.8M
$1.4M
Q2 25
$16.4M
$21.9M
Q1 25
$-13.9M
$-5.8M
Q4 24
$-10.2M
$16.2M
Q3 24
$22.8M
$16.4M
Q2 24
$26.8M
$15.5M
Q1 24
$13.0M
$4.6M
Gross Margin
KOP
KOP
PRA
PRA
Q4 25
25.6%
Q3 25
24.1%
Q2 25
22.6%
Q1 25
23.2%
Q4 24
17.5%
Q3 24
21.9%
Q2 24
21.6%
Q1 24
19.3%
Operating Margin
KOP
KOP
PRA
PRA
Q4 25
11.5%
17.3%
Q3 25
10.7%
1.6%
Q2 25
7.7%
9.9%
Q1 25
5.9%
-2.3%
Q4 24
1.3%
6.5%
Q3 24
9.0%
7.4%
Q2 24
10.2%
6.2%
Q1 24
7.0%
1.9%
Net Margin
KOP
KOP
PRA
PRA
Q4 25
6.9%
12.4%
Q3 25
4.9%
0.5%
Q2 25
3.2%
7.9%
Q1 25
-3.0%
-2.1%
Q4 24
-2.1%
5.6%
Q3 24
4.1%
5.8%
Q2 24
4.8%
5.3%
Q1 24
2.6%
1.6%
EPS (diluted)
KOP
KOP
PRA
PRA
Q4 25
$1.44
$0.65
Q3 25
$1.17
$0.03
Q2 25
$0.81
$0.42
Q1 25
$-0.68
$-0.11
Q4 24
$-0.47
$0.32
Q3 24
$1.09
$0.32
Q2 24
$1.25
$0.30
Q1 24
$0.59
$0.09

Balance Sheet & Financial Strength

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

Metric
KOP
KOP
PRA
PRA
Cash + ST InvestmentsLiquidity on hand
$36.5M
Total DebtLower is stronger
$928.3M
$420.4M
Stockholders' EquityBook value
$574.0M
$1.3B
Total Assets
$1.9B
$5.4B
Debt / EquityLower = less leverage
1.62×
0.31×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
KOP
KOP
PRA
PRA
Q4 25
$36.5M
Q3 25
$54.5M
Q2 25
$41.6M
Q1 25
$43.5M
Q4 24
$54.9M
Q3 24
$45.3M
Q2 24
$36.9M
Q1 24
$65.4M
Total Debt
KOP
KOP
PRA
PRA
Q4 25
$928.3M
$420.4M
Q3 25
$932.9M
$421.5M
Q2 25
$977.5M
$422.6M
Q1 25
$989.0M
$423.7M
Q4 24
$939.5M
$424.9M
Q3 24
$989.4M
$425.9M
Q2 24
$1.0B
$426.9M
Q1 24
$877.6M
$427.8M
Stockholders' Equity
KOP
KOP
PRA
PRA
Q4 25
$574.0M
$1.3B
Q3 25
$545.6M
$1.3B
Q2 25
$526.8M
$1.3B
Q1 25
$498.0M
$1.2B
Q4 24
$488.7M
$1.2B
Q3 24
$532.3M
$1.2B
Q2 24
$509.2M
$1.1B
Q1 24
$505.8M
$1.1B
Total Assets
KOP
KOP
PRA
PRA
Q4 25
$1.9B
$5.4B
Q3 25
$1.9B
$5.6B
Q2 25
$1.9B
$5.5B
Q1 25
$1.9B
$5.5B
Q4 24
$1.9B
$5.6B
Q3 24
$2.0B
$5.7B
Q2 24
$1.9B
$5.6B
Q1 24
$1.8B
$5.7B
Debt / Equity
KOP
KOP
PRA
PRA
Q4 25
1.62×
0.31×
Q3 25
1.71×
0.32×
Q2 25
1.86×
0.33×
Q1 25
1.99×
0.34×
Q4 24
1.92×
0.35×
Q3 24
1.86×
0.35×
Q2 24
1.97×
0.38×
Q1 24
1.74×
0.38×

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
PRA
PRA
Operating Cash FlowLast quarter
$45.1M
$-25.6M
Free Cash FlowOCF − Capex
$28.5M
FCF MarginFCF / Revenue
6.6%
Capex IntensityCapex / Revenue
3.8%
Cash ConversionOCF / Net Profit
1.52×
-0.77×
TTM Free Cash FlowTrailing 4 quarters
$67.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
KOP
KOP
PRA
PRA
Q4 25
$45.1M
$-25.6M
Q3 25
$49.6M
$27.2M
Q2 25
$50.5M
$-28.1M
Q1 25
$-22.7M
$-11.6M
Q4 24
$74.7M
$-10.7M
Q3 24
$29.8M
$14.0M
Q2 24
$27.2M
$-12.8M
Q1 24
$-12.3M
$-11.6M
Free Cash Flow
KOP
KOP
PRA
PRA
Q4 25
$28.5M
Q3 25
$37.6M
Q2 25
$38.4M
Q1 25
$-37.0M
Q4 24
$56.1M
Q3 24
$14.4M
Q2 24
$10.1M
Q1 24
$-38.6M
FCF Margin
KOP
KOP
PRA
PRA
Q4 25
6.6%
Q3 25
7.7%
Q2 25
7.6%
Q1 25
-8.1%
Q4 24
11.8%
Q3 24
2.6%
Q2 24
1.8%
Q1 24
-7.8%
Capex Intensity
KOP
KOP
PRA
PRA
Q4 25
3.8%
Q3 25
2.5%
Q2 25
2.4%
Q1 25
3.1%
Q4 24
3.9%
Q3 24
2.8%
Q2 24
3.0%
Q1 24
5.3%
Cash Conversion
KOP
KOP
PRA
PRA
Q4 25
1.52×
-0.77×
Q3 25
2.08×
18.81×
Q2 25
3.08×
-1.28×
Q1 25
Q4 24
-0.66×
Q3 24
1.31×
0.85×
Q2 24
1.01×
-0.83×
Q1 24
-0.95×
-2.52×

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%

PRA
PRA

Workers Compensation Insurance Segment$164.4M61%
Other$59.6M22%
Segregated Portfolio Cell Reinsurance$45.7M17%

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