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Side-by-side financial comparison of Koppers Holdings Inc. (KOP) and STAR GROUP, L.P. (SGU). Click either name above to swap in a different company.

STAR GROUP, L.P. is the larger business by last-quarter revenue ($539.3M vs $432.7M, roughly 1.2× Koppers Holdings Inc.). Koppers Holdings Inc. runs the higher net margin — 6.9% vs 6.6%, a 0.2% gap on every dollar of revenue. On growth, STAR GROUP, L.P. posted the faster year-over-year revenue change (10.5% vs -9.3%). Koppers Holdings Inc. produced more free cash flow last quarter ($28.5M vs $-59.7M).

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.

Lone Star Funds, legal name of main entity Lone Star Global Acquisitions, Ltd. is a global private equity firm that invests in corporate equity, real estate, credit, and other financial assets. The founder of Lone Star established its first fund in 1995 and Lone Star has to date organized 25 private equity funds with total capital commitments since inception of over $95 billion. Lone Star's investors include corporate and public pension funds, sovereign wealth funds, university endowments, fo...

KOP vs SGU — Head-to-Head

Bigger by revenue
SGU
SGU
1.2× larger
SGU
$539.3M
$432.7M
KOP
Growing faster (revenue YoY)
SGU
SGU
+19.8% gap
SGU
10.5%
-9.3%
KOP
Higher net margin
KOP
KOP
0.2% more per $
KOP
6.9%
6.6%
SGU
More free cash flow
KOP
KOP
$88.2M more FCF
KOP
$28.5M
$-59.7M
SGU

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
KOP
KOP
SGU
SGU
Revenue
$432.7M
$539.3M
Net Profit
$29.7M
$35.8M
Gross Margin
25.6%
Operating Margin
11.5%
10.1%
Net Margin
6.9%
6.6%
Revenue YoY
-9.3%
10.5%
Net Profit YoY
391.2%
8.8%
EPS (diluted)
$1.44

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
SGU
SGU
Q4 25
$432.7M
$539.3M
Q3 25
$485.3M
Q2 25
$504.8M
Q1 25
$456.5M
Q4 24
$477.0M
Q3 24
$554.3M
Q2 24
$563.2M
Q1 24
$497.6M
Net Profit
KOP
KOP
SGU
SGU
Q4 25
$29.7M
$35.8M
Q3 25
$23.8M
Q2 25
$16.4M
Q1 25
$-13.9M
Q4 24
$-10.2M
Q3 24
$22.8M
Q2 24
$26.8M
Q1 24
$13.0M
Gross Margin
KOP
KOP
SGU
SGU
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
SGU
SGU
Q4 25
11.5%
10.1%
Q3 25
10.7%
Q2 25
7.7%
Q1 25
5.9%
Q4 24
1.3%
Q3 24
9.0%
Q2 24
10.2%
Q1 24
7.0%
Net Margin
KOP
KOP
SGU
SGU
Q4 25
6.9%
6.6%
Q3 25
4.9%
Q2 25
3.2%
Q1 25
-3.0%
Q4 24
-2.1%
Q3 24
4.1%
Q2 24
4.8%
Q1 24
2.6%
EPS (diluted)
KOP
KOP
SGU
SGU
Q4 25
$1.44
Q3 25
$1.17
Q2 25
$0.81
Q1 25
$-0.68
Q4 24
$-0.47
Q3 24
$1.09
Q2 24
$1.25
Q1 24
$0.59

Balance Sheet & Financial Strength

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

Metric
KOP
KOP
SGU
SGU
Cash + ST InvestmentsLiquidity on hand
$19.9M
Total DebtLower is stronger
$928.3M
$254.8M
Stockholders' EquityBook value
$574.0M
Total Assets
$1.9B
$1.1B
Debt / EquityLower = less leverage
1.62×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
KOP
KOP
SGU
SGU
Q4 25
$19.9M
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Total Debt
KOP
KOP
SGU
SGU
Q4 25
$928.3M
$254.8M
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
SGU
SGU
Q4 25
$574.0M
Q3 25
$545.6M
Q2 25
$526.8M
Q1 25
$498.0M
Q4 24
$488.7M
Q3 24
$532.3M
Q2 24
$509.2M
Q1 24
$505.8M
Total Assets
KOP
KOP
SGU
SGU
Q4 25
$1.9B
$1.1B
Q3 25
$1.9B
Q2 25
$1.9B
Q1 25
$1.9B
Q4 24
$1.9B
Q3 24
$2.0B
Q2 24
$1.9B
Q1 24
$1.8B
Debt / Equity
KOP
KOP
SGU
SGU
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
SGU
SGU
Operating Cash FlowLast quarter
$45.1M
$-55.2M
Free Cash FlowOCF − Capex
$28.5M
$-59.7M
FCF MarginFCF / Revenue
6.6%
-11.1%
Capex IntensityCapex / Revenue
3.8%
0.8%
Cash ConversionOCF / Net Profit
1.52×
-1.54×
TTM Free Cash FlowTrailing 4 quarters
$67.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
KOP
KOP
SGU
SGU
Q4 25
$45.1M
$-55.2M
Q3 25
$49.6M
Q2 25
$50.5M
Q1 25
$-22.7M
Q4 24
$74.7M
Q3 24
$29.8M
Q2 24
$27.2M
Q1 24
$-12.3M
Free Cash Flow
KOP
KOP
SGU
SGU
Q4 25
$28.5M
$-59.7M
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
SGU
SGU
Q4 25
6.6%
-11.1%
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
SGU
SGU
Q4 25
3.8%
0.8%
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
SGU
SGU
Q4 25
1.52×
-1.54×
Q3 25
2.08×
Q2 25
3.08×
Q1 25
Q4 24
Q3 24
1.31×
Q2 24
1.01×
Q1 24
-0.95×

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%

SGU
SGU

Home Heating Oil And Propane$372.6M69%
Motor Fuel And Other Petroleum Products$75.4M14%
Equipment Installations$39.6M7%
Equipment Maintenance Service Contracts$30.3M6%
Billable Call Services$21.4M4%

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