vs

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

Koppers Holdings Inc. is the larger business by last-quarter revenue ($432.7M vs $385.4M, roughly 1.1× Penumbra Inc). Penumbra Inc runs the higher net margin — 12.3% vs 6.9%, a 5.4% gap on every dollar of revenue. On growth, Penumbra Inc posted the faster year-over-year revenue change (22.1% vs -9.3%). Penumbra Inc produced more free cash flow last quarter ($68.0M vs $28.5M). Over the past eight quarters, Penumbra Inc's revenue compounded faster (17.6% 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.

Penumbra, Inc. is an American medical device company headquartered in Alameda, California. The company was founded by Arani Bose and Adam Elsesser in 2004. It manufactures devices for interventional therapies to treat vascular conditions such as stroke and aneurysm.

KOP vs PEN — Head-to-Head

Bigger by revenue
KOP
KOP
1.1× larger
KOP
$432.7M
$385.4M
PEN
Growing faster (revenue YoY)
PEN
PEN
+31.4% gap
PEN
22.1%
-9.3%
KOP
Higher net margin
PEN
PEN
5.4% more per $
PEN
12.3%
6.9%
KOP
More free cash flow
PEN
PEN
$39.5M more FCF
PEN
$68.0M
$28.5M
KOP
Faster 2-yr revenue CAGR
PEN
PEN
Annualised
PEN
17.6%
-6.7%
KOP

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
KOP
KOP
PEN
PEN
Revenue
$432.7M
$385.4M
Net Profit
$29.7M
$47.3M
Gross Margin
25.6%
68.0%
Operating Margin
11.5%
15.4%
Net Margin
6.9%
12.3%
Revenue YoY
-9.3%
22.1%
Net Profit YoY
391.2%
40.6%
EPS (diluted)
$1.44
$1.20

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
PEN
PEN
Q4 25
$432.7M
$385.4M
Q3 25
$485.3M
$354.7M
Q2 25
$504.8M
$339.5M
Q1 25
$456.5M
$324.1M
Q4 24
$477.0M
$315.5M
Q3 24
$554.3M
$301.0M
Q2 24
$563.2M
$299.4M
Q1 24
$497.6M
$278.7M
Net Profit
KOP
KOP
PEN
PEN
Q4 25
$29.7M
$47.3M
Q3 25
$23.8M
$45.9M
Q2 25
$16.4M
$45.3M
Q1 25
$-13.9M
$39.2M
Q4 24
$-10.2M
$33.7M
Q3 24
$22.8M
$29.5M
Q2 24
$26.8M
$-60.2M
Q1 24
$13.0M
$11.0M
Gross Margin
KOP
KOP
PEN
PEN
Q4 25
25.6%
68.0%
Q3 25
24.1%
67.8%
Q2 25
22.6%
66.0%
Q1 25
23.2%
66.6%
Q4 24
17.5%
66.8%
Q3 24
21.9%
66.5%
Q2 24
21.6%
54.4%
Q1 24
19.3%
65.0%
Operating Margin
KOP
KOP
PEN
PEN
Q4 25
11.5%
15.4%
Q3 25
10.7%
13.8%
Q2 25
7.7%
12.0%
Q1 25
5.9%
12.4%
Q4 24
1.3%
13.6%
Q3 24
9.0%
11.7%
Q2 24
10.2%
-27.0%
Q1 24
7.0%
4.3%
Net Margin
KOP
KOP
PEN
PEN
Q4 25
6.9%
12.3%
Q3 25
4.9%
12.9%
Q2 25
3.2%
13.3%
Q1 25
-3.0%
12.1%
Q4 24
-2.1%
10.7%
Q3 24
4.1%
9.8%
Q2 24
4.8%
-20.1%
Q1 24
2.6%
3.9%
EPS (diluted)
KOP
KOP
PEN
PEN
Q4 25
$1.44
$1.20
Q3 25
$1.17
$1.17
Q2 25
$0.81
$1.15
Q1 25
$-0.68
$1.00
Q4 24
$-0.47
$0.88
Q3 24
$1.09
$0.75
Q2 24
$1.25
$-1.55
Q1 24
$0.59
$0.28

Balance Sheet & Financial Strength

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

Metric
KOP
KOP
PEN
PEN
Cash + ST InvestmentsLiquidity on hand
$186.9M
Total DebtLower is stronger
$928.3M
Stockholders' EquityBook value
$574.0M
$1.4B
Total Assets
$1.9B
$1.8B
Debt / EquityLower = less leverage
1.62×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
KOP
KOP
PEN
PEN
Q4 25
$186.9M
Q3 25
$321.0M
Q2 25
$421.8M
Q1 25
$376.1M
Q4 24
$324.4M
Q3 24
$280.5M
Q2 24
$288.3M
Q1 24
$223.1M
Total Debt
KOP
KOP
PEN
PEN
Q4 25
$928.3M
Q3 25
$932.9M
Q2 25
$977.5M
Q1 25
$989.0M
Q4 24
$939.5M
Q3 24
$989.4M
Q2 24
$1.0B
Q1 24
$877.6M
Stockholders' Equity
KOP
KOP
PEN
PEN
Q4 25
$574.0M
$1.4B
Q3 25
$545.6M
$1.4B
Q2 25
$526.8M
$1.3B
Q1 25
$498.0M
$1.2B
Q4 24
$488.7M
$1.2B
Q3 24
$532.3M
$1.1B
Q2 24
$509.2M
$1.2B
Q1 24
$505.8M
$1.2B
Total Assets
KOP
KOP
PEN
PEN
Q4 25
$1.9B
$1.8B
Q3 25
$1.9B
$1.7B
Q2 25
$1.9B
$1.7B
Q1 25
$1.9B
$1.6B
Q4 24
$1.9B
$1.5B
Q3 24
$2.0B
$1.5B
Q2 24
$1.9B
$1.5B
Q1 24
$1.8B
$1.6B
Debt / Equity
KOP
KOP
PEN
PEN
Q4 25
1.62×
Q3 25
1.71×
Q2 25
1.86×
Q1 25
1.99×
Q4 24
1.92×
Q3 24
1.86×
Q2 24
1.97×
Q1 24
1.74×

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
PEN
PEN
Operating Cash FlowLast quarter
$45.1M
$86.5M
Free Cash FlowOCF − Capex
$28.5M
$68.0M
FCF MarginFCF / Revenue
6.6%
17.7%
Capex IntensityCapex / Revenue
3.8%
4.8%
Cash ConversionOCF / Net Profit
1.52×
1.83×
TTM Free Cash FlowTrailing 4 quarters
$67.5M
$174.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
KOP
KOP
PEN
PEN
Q4 25
$45.1M
$86.5M
Q3 25
$49.6M
$58.3M
Q2 25
$50.5M
$44.9M
Q1 25
$-22.7M
$49.0M
Q4 24
$74.7M
$51.1M
Q3 24
$29.8M
$56.5M
Q2 24
$27.2M
$22.6M
Q1 24
$-12.3M
$38.3M
Free Cash Flow
KOP
KOP
PEN
PEN
Q4 25
$28.5M
$68.0M
Q3 25
$37.6M
$42.0M
Q2 25
$38.4M
$29.4M
Q1 25
$-37.0M
$35.5M
Q4 24
$56.1M
$45.7M
Q3 24
$14.4M
$51.0M
Q2 24
$10.1M
$18.1M
Q1 24
$-38.6M
$32.5M
FCF Margin
KOP
KOP
PEN
PEN
Q4 25
6.6%
17.7%
Q3 25
7.7%
11.8%
Q2 25
7.6%
8.7%
Q1 25
-8.1%
11.0%
Q4 24
11.8%
14.5%
Q3 24
2.6%
16.9%
Q2 24
1.8%
6.0%
Q1 24
-7.8%
11.7%
Capex Intensity
KOP
KOP
PEN
PEN
Q4 25
3.8%
4.8%
Q3 25
2.5%
4.6%
Q2 25
2.4%
4.6%
Q1 25
3.1%
4.2%
Q4 24
3.9%
1.7%
Q3 24
2.8%
1.8%
Q2 24
3.0%
1.5%
Q1 24
5.3%
2.1%
Cash Conversion
KOP
KOP
PEN
PEN
Q4 25
1.52×
1.83×
Q3 25
2.08×
1.27×
Q2 25
3.08×
0.99×
Q1 25
1.25×
Q4 24
1.52×
Q3 24
1.31×
1.91×
Q2 24
1.01×
Q1 24
-0.95×
3.48×

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%

PEN
PEN

Thrombectomy$254.7M66%
Other$130.7M34%

Related Comparisons