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Side-by-side financial comparison of ALLIANCE RESOURCE PARTNERS LP (ARLP) and CoStar Group (CSGP). Click either name above to swap in a different company.

CoStar Group is the larger business by last-quarter revenue ($899.9M vs $516.0M, roughly 1.7× ALLIANCE RESOURCE PARTNERS LP). CoStar Group runs the higher net margin — 5.2% vs 2.1%, a 3.1% gap on every dollar of revenue. On growth, CoStar Group posted the faster year-over-year revenue change (26.9% vs -3.6%). CoStar Group produced more free cash flow last quarter ($101.3M vs $13.3M). Over the past eight quarters, CoStar Group's revenue compounded faster (17.1% CAGR vs -6.7%).

Alliance Resource Partners LP is a leading North American natural resource enterprise primarily engaged in the production and marketing of coal for utility and industrial customers. It also operates complementary business segments including mineral royalty management, oil and gas extraction, and logistics support services.

CoStar Group, Inc. is an American provider of information, analytics, and marketing services to the commercial property industry in North America and Europe. Founded in 1987 by Andrew C. Florance and based in Arlington, Virginia, the company operates the CoStar online database and news website and several online marketplaces, including Apartments.com and Homes.com.

ARLP vs CSGP — Head-to-Head

Bigger by revenue
CSGP
CSGP
1.7× larger
CSGP
$899.9M
$516.0M
ARLP
Growing faster (revenue YoY)
CSGP
CSGP
+30.5% gap
CSGP
26.9%
-3.6%
ARLP
Higher net margin
CSGP
CSGP
3.1% more per $
CSGP
5.2%
2.1%
ARLP
More free cash flow
CSGP
CSGP
$88.0M more FCF
CSGP
$101.3M
$13.3M
ARLP
Faster 2-yr revenue CAGR
CSGP
CSGP
Annualised
CSGP
17.1%
-6.7%
ARLP

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ARLP
ARLP
CSGP
CSGP
Revenue
$516.0M
$899.9M
Net Profit
$10.7M
$46.5M
Gross Margin
78.6%
Operating Margin
4.2%
5.5%
Net Margin
2.1%
5.2%
Revenue YoY
-3.6%
26.9%
Net Profit YoY
-22.2%
EPS (diluted)
$0.12

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
ARLP
ARLP
CSGP
CSGP
Q1 26
$516.0M
Q4 25
$535.5M
$899.9M
Q3 25
$571.4M
$833.6M
Q2 25
$547.5M
$781.3M
Q1 25
$540.5M
$732.2M
Q4 24
$590.1M
$709.4M
Q3 24
$613.6M
$692.6M
Q2 24
$593.4M
$677.8M
Net Profit
ARLP
ARLP
CSGP
CSGP
Q1 26
$10.7M
Q4 25
$82.7M
$46.5M
Q3 25
$95.1M
$-30.9M
Q2 25
$59.4M
$6.2M
Q1 25
$74.0M
$-14.8M
Q4 24
$16.3M
$59.8M
Q3 24
$86.3M
$53.0M
Q2 24
$100.2M
$19.2M
Gross Margin
ARLP
ARLP
CSGP
CSGP
Q1 26
Q4 25
78.6%
Q3 25
79.3%
Q2 25
78.5%
Q1 25
79.1%
Q4 24
80.1%
Q3 24
79.7%
Q2 24
80.0%
Operating Margin
ARLP
ARLP
CSGP
CSGP
Q1 26
4.2%
Q4 25
18.2%
5.5%
Q3 25
18.4%
-6.1%
Q2 25
16.2%
-3.5%
Q1 25
17.4%
-5.8%
Q4 24
2.6%
5.6%
Q3 24
16.5%
3.4%
Q2 24
19.8%
-2.4%
Net Margin
ARLP
ARLP
CSGP
CSGP
Q1 26
2.1%
Q4 25
15.4%
5.2%
Q3 25
16.6%
-3.7%
Q2 25
10.9%
0.8%
Q1 25
13.7%
-2.0%
Q4 24
2.8%
8.4%
Q3 24
14.1%
7.7%
Q2 24
16.9%
2.8%
EPS (diluted)
ARLP
ARLP
CSGP
CSGP
Q1 26
Q4 25
$0.12
Q3 25
$-0.07
Q2 25
$0.01
Q1 25
$-0.04
Q4 24
$0.14
Q3 24
$0.13
Q2 24
$0.05

Balance Sheet & Financial Strength

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

Metric
ARLP
ARLP
CSGP
CSGP
Cash + ST InvestmentsLiquidity on hand
$28.9M
$1.6B
Total DebtLower is stronger
$140.0M
Stockholders' EquityBook value
$8.3B
Total Assets
$2.9B
$10.5B
Debt / EquityLower = less leverage
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ARLP
ARLP
CSGP
CSGP
Q1 26
$28.9M
Q4 25
$71.2M
$1.6B
Q3 25
$94.5M
$1.9B
Q2 25
$55.0M
$3.6B
Q1 25
$81.3M
$3.7B
Q4 24
$137.0M
$4.7B
Q3 24
$195.4M
Q2 24
$203.7M
Total Debt
ARLP
ARLP
CSGP
CSGP
Q1 26
Q4 25
$140.0M
Q3 25
$1.0B
Q2 25
$1.0B
Q1 25
$1.0B
Q4 24
$1.0B
Q3 24
$1.0B
Q2 24
$1.0B
Stockholders' Equity
ARLP
ARLP
CSGP
CSGP
Q1 26
Q4 25
$8.3B
Q3 25
$8.6B
Q2 25
$8.6B
Q1 25
$8.6B
Q4 24
$7.6B
Q3 24
$7.5B
Q2 24
$7.4B
Total Assets
ARLP
ARLP
CSGP
CSGP
Q1 26
$2.9B
Q4 25
$2.9B
$10.5B
Q3 25
$2.9B
$10.8B
Q2 25
$2.9B
$10.5B
Q1 25
$2.9B
$10.4B
Q4 24
$2.9B
$9.3B
Q3 24
$3.0B
$9.1B
Q2 24
$3.1B
$9.1B
Debt / Equity
ARLP
ARLP
CSGP
CSGP
Q1 26
Q4 25
0.02×
Q3 25
0.12×
Q2 25
0.12×
Q1 25
0.12×
Q4 24
0.13×
Q3 24
0.13×
Q2 24
0.14×

Cash Flow & Capital Efficiency

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

Metric
ARLP
ARLP
CSGP
CSGP
Operating Cash FlowLast quarter
$162.1M
Free Cash FlowOCF − Capex
$13.3M
$101.3M
FCF MarginFCF / Revenue
2.6%
11.3%
Capex IntensityCapex / Revenue
18.5%
6.8%
Cash ConversionOCF / Net Profit
3.49×
TTM Free Cash FlowTrailing 4 quarters
$342.2M
$123.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ARLP
ARLP
CSGP
CSGP
Q1 26
Q4 25
$143.9M
$162.1M
Q3 25
$209.9M
$68.2M
Q2 25
$151.7M
$146.5M
Q1 25
$145.7M
$53.2M
Q4 24
$168.4M
$94.6M
Q3 24
$209.3M
$100.3M
Q2 24
$215.8M
$58.1M
Free Cash Flow
ARLP
ARLP
CSGP
CSGP
Q1 26
$13.3M
Q4 25
$99.1M
$101.3M
Q3 25
$145.2M
$-5.5M
Q2 25
$84.7M
$27.7M
Q1 25
$58.9M
$-500.0K
Q4 24
$75.3M
$25.2M
Q3 24
$99.0M
$40.2M
Q2 24
$114.3M
$-14.7M
FCF Margin
ARLP
ARLP
CSGP
CSGP
Q1 26
2.6%
Q4 25
18.5%
11.3%
Q3 25
25.4%
-0.7%
Q2 25
15.5%
3.5%
Q1 25
10.9%
-0.1%
Q4 24
12.8%
3.6%
Q3 24
16.1%
5.8%
Q2 24
19.3%
-2.2%
Capex Intensity
ARLP
ARLP
CSGP
CSGP
Q1 26
18.5%
Q4 25
8.4%
6.8%
Q3 25
11.3%
8.8%
Q2 25
12.2%
15.2%
Q1 25
16.1%
7.3%
Q4 24
15.8%
9.8%
Q3 24
18.0%
8.7%
Q2 24
17.1%
10.7%
Cash Conversion
ARLP
ARLP
CSGP
CSGP
Q1 26
Q4 25
1.74×
3.49×
Q3 25
2.21×
Q2 25
2.55×
23.63×
Q1 25
1.97×
Q4 24
10.31×
1.58×
Q3 24
2.43×
1.89×
Q2 24
2.15×
3.03×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ARLP
ARLP

Coal sales$443.3M86%
Oil & gas royalties$41.3M8%
Other revenues$22.8M4%
Transportation revenues$8.6M2%
Tons Produced$8.0M2%
Mineral Interest Volumes (BOE)$1.0M0%

CSGP
CSGP

Co Star$503.8M56%
Other$283.0M31%
Loop Net$94.7M11%

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