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

Monolithic Power Systems is the larger business by last-quarter revenue ($804.2M vs $432.7M, roughly 1.9× Koppers Holdings Inc.). Monolithic Power Systems runs the higher net margin — 24.0% vs 6.9%, a 17.2% gap on every dollar of revenue. On growth, Monolithic Power Systems posted the faster year-over-year revenue change (26.1% vs -9.3%). Over the past eight quarters, Monolithic Power Systems's revenue compounded faster (25.9% 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.

Monolithic Power Systems, Inc. is an American, publicly traded company headquartered in Kirkland, Washington. It operates in more than 15 locations worldwide.

KOP vs MPWR — Head-to-Head

Bigger by revenue
MPWR
MPWR
1.9× larger
MPWR
$804.2M
$432.7M
KOP
Growing faster (revenue YoY)
MPWR
MPWR
+35.4% gap
MPWR
26.1%
-9.3%
KOP
Higher net margin
MPWR
MPWR
17.2% more per $
MPWR
24.0%
6.9%
KOP
Faster 2-yr revenue CAGR
MPWR
MPWR
Annualised
MPWR
25.9%
-6.7%
KOP

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
KOP
KOP
MPWR
MPWR
Revenue
$432.7M
$804.2M
Net Profit
$29.7M
$193.2M
Gross Margin
25.6%
55.3%
Operating Margin
11.5%
30.0%
Net Margin
6.9%
24.0%
Revenue YoY
-9.3%
26.1%
Net Profit YoY
391.2%
43.1%
EPS (diluted)
$1.44
$3.92

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
MPWR
MPWR
Q1 26
$804.2M
Q4 25
$432.7M
$751.2M
Q3 25
$485.3M
$737.2M
Q2 25
$504.8M
$664.6M
Q1 25
$456.5M
$637.6M
Q4 24
$477.0M
$621.7M
Q3 24
$554.3M
$620.1M
Q2 24
$563.2M
$507.4M
Net Profit
KOP
KOP
MPWR
MPWR
Q1 26
$193.2M
Q4 25
$29.7M
$171.7M
Q3 25
$23.8M
$179.8M
Q2 25
$16.4M
$135.0M
Q1 25
$-13.9M
$135.1M
Q4 24
$-10.2M
$1.3B
Q3 24
$22.8M
$144.4M
Q2 24
$26.8M
$100.4M
Gross Margin
KOP
KOP
MPWR
MPWR
Q1 26
55.3%
Q4 25
25.6%
55.2%
Q3 25
24.1%
55.1%
Q2 25
22.6%
55.1%
Q1 25
23.2%
55.4%
Q4 24
17.5%
55.4%
Q3 24
21.9%
55.4%
Q2 24
21.6%
55.3%
Operating Margin
KOP
KOP
MPWR
MPWR
Q1 26
30.0%
Q4 25
11.5%
26.6%
Q3 25
10.7%
26.5%
Q2 25
7.7%
24.8%
Q1 25
5.9%
26.5%
Q4 24
1.3%
26.3%
Q3 24
9.0%
26.5%
Q2 24
10.2%
23.0%
Net Margin
KOP
KOP
MPWR
MPWR
Q1 26
24.0%
Q4 25
6.9%
22.9%
Q3 25
4.9%
24.4%
Q2 25
3.2%
20.3%
Q1 25
-3.0%
21.2%
Q4 24
-2.1%
201.8%
Q3 24
4.1%
23.3%
Q2 24
4.8%
19.8%
EPS (diluted)
KOP
KOP
MPWR
MPWR
Q1 26
$3.92
Q4 25
$1.44
$3.50
Q3 25
$1.17
$3.74
Q2 25
$0.81
$2.81
Q1 25
$-0.68
$2.81
Q4 24
$-0.47
$25.71
Q3 24
$1.09
$2.95
Q2 24
$1.25
$2.05

Balance Sheet & Financial Strength

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

Metric
KOP
KOP
MPWR
MPWR
Cash + ST InvestmentsLiquidity on hand
$1.4B
Total DebtLower is stronger
$928.3M
Stockholders' EquityBook value
$574.0M
$3.7B
Total Assets
$1.9B
$4.4B
Debt / EquityLower = less leverage
1.62×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
KOP
KOP
MPWR
MPWR
Q1 26
$1.4B
Q4 25
$1.3B
Q3 25
$1.3B
Q2 25
$1.1B
Q1 25
$1.0B
Q4 24
$862.9M
Q3 24
$1.5B
Q2 24
$1.3B
Total Debt
KOP
KOP
MPWR
MPWR
Q1 26
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
Stockholders' Equity
KOP
KOP
MPWR
MPWR
Q1 26
$3.7B
Q4 25
$574.0M
$3.5B
Q3 25
$545.6M
$3.4B
Q2 25
$526.8M
$3.2B
Q1 25
$498.0M
$3.1B
Q4 24
$488.7M
$3.0B
Q3 24
$532.3M
$2.4B
Q2 24
$509.2M
$2.2B
Total Assets
KOP
KOP
MPWR
MPWR
Q1 26
$4.4B
Q4 25
$1.9B
$4.2B
Q3 25
$1.9B
$4.1B
Q2 25
$1.9B
$3.9B
Q1 25
$1.9B
$3.7B
Q4 24
$1.9B
$3.5B
Q3 24
$2.0B
$2.9B
Q2 24
$1.9B
$2.6B
Debt / Equity
KOP
KOP
MPWR
MPWR
Q1 26
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×

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

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
KOP
KOP
MPWR
MPWR
Q1 26
Q4 25
$45.1M
$104.9M
Q3 25
$49.6M
$239.3M
Q2 25
$50.5M
$237.6M
Q1 25
$-22.7M
$256.4M
Q4 24
$74.7M
$167.7M
Q3 24
$29.8M
$231.7M
Q2 24
$27.2M
$141.0M
Free Cash Flow
KOP
KOP
MPWR
MPWR
Q1 26
Q4 25
$28.5M
$63.9M
Q3 25
$37.6M
$196.8M
Q2 25
$38.4M
$189.5M
Q1 25
$-37.0M
$216.0M
Q4 24
$56.1M
$102.9M
Q3 24
$14.4M
$197.9M
Q2 24
$10.1M
$109.5M
FCF Margin
KOP
KOP
MPWR
MPWR
Q1 26
Q4 25
6.6%
8.5%
Q3 25
7.7%
26.7%
Q2 25
7.6%
28.5%
Q1 25
-8.1%
33.9%
Q4 24
11.8%
16.5%
Q3 24
2.6%
31.9%
Q2 24
1.8%
21.6%
Capex Intensity
KOP
KOP
MPWR
MPWR
Q1 26
Q4 25
3.8%
5.5%
Q3 25
2.5%
5.8%
Q2 25
2.4%
7.2%
Q1 25
3.1%
6.3%
Q4 24
3.9%
10.4%
Q3 24
2.8%
5.5%
Q2 24
3.0%
6.2%
Cash Conversion
KOP
KOP
MPWR
MPWR
Q1 26
Q4 25
1.52×
0.61×
Q3 25
2.08×
1.33×
Q2 25
3.08×
1.76×
Q1 25
1.90×
Q4 24
0.13×
Q3 24
1.31×
1.60×
Q2 24
1.01×
1.40×

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%

MPWR
MPWR

Segment breakdown not available.

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