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Side-by-side financial comparison of ANTERO RESOURCES Corp (AR) and CoStar Group (CSGP). Click either name above to swap in a different company.

ANTERO RESOURCES Corp is the larger business by last-quarter revenue ($1.4B vs $899.9M, roughly 1.5× CoStar Group). On growth, CoStar Group posted the faster year-over-year revenue change (26.9% vs -30.5%). ANTERO RESOURCES Corp produced more free cash flow last quarter ($235.6M vs $101.3M). Over the past eight quarters, ANTERO RESOURCES Corp's revenue compounded faster (17.6% CAGR vs 17.1%).

Antero Resources Corporation is an American company engaged in hydrocarbon exploration. It is organized in Delaware and headquartered in Denver, Colorado. The company's reserves are entirely in the Appalachian Basin and are extracted using hydraulic fracturing.

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.

AR vs CSGP — Head-to-Head

Bigger by revenue
AR
AR
1.5× larger
AR
$1.4B
$899.9M
CSGP
Growing faster (revenue YoY)
CSGP
CSGP
+57.3% gap
CSGP
26.9%
-30.5%
AR
More free cash flow
AR
AR
$134.3M more FCF
AR
$235.6M
$101.3M
CSGP
Faster 2-yr revenue CAGR
AR
AR
Annualised
AR
17.6%
17.1%
CSGP

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
AR
AR
CSGP
CSGP
Revenue
$1.4B
$899.9M
Net Profit
$46.5M
Gross Margin
78.6%
Operating Margin
20.1%
5.5%
Net Margin
5.2%
Revenue YoY
-30.5%
26.9%
Net Profit YoY
-22.2%
EPS (diluted)
$0.66
$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
AR
AR
CSGP
CSGP
Q1 26
$1.4B
Q4 25
$1.4B
$899.9M
Q3 25
$1.2B
$833.6M
Q2 25
$1.3B
$781.3M
Q1 25
$1.4B
$732.2M
Q4 24
$1.2B
$709.4M
Q3 24
$1.1B
$692.6M
Q2 24
$978.7M
$677.8M
Net Profit
AR
AR
CSGP
CSGP
Q1 26
Q4 25
$202.9M
$46.5M
Q3 25
$85.6M
$-30.9M
Q2 25
$166.6M
$6.2M
Q1 25
$219.5M
$-14.8M
Q4 24
$158.8M
$59.8M
Q3 24
$-25.2M
$53.0M
Q2 24
$-74.6M
$19.2M
Gross Margin
AR
AR
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
AR
AR
CSGP
CSGP
Q1 26
20.1%
Q4 25
20.5%
5.5%
Q3 25
9.7%
-6.1%
Q2 25
15.8%
-3.5%
Q1 25
20.1%
-5.8%
Q4 24
4.9%
5.6%
Q3 24
-2.4%
3.4%
Q2 24
-8.2%
-2.4%
Net Margin
AR
AR
CSGP
CSGP
Q1 26
Q4 25
14.4%
5.2%
Q3 25
7.1%
-3.7%
Q2 25
12.8%
0.8%
Q1 25
16.2%
-2.0%
Q4 24
13.6%
8.4%
Q3 24
-2.4%
7.7%
Q2 24
-7.6%
2.8%
EPS (diluted)
AR
AR
CSGP
CSGP
Q1 26
$0.66
Q4 25
$0.63
$0.12
Q3 25
$0.24
$-0.07
Q2 25
$0.50
$0.01
Q1 25
$0.66
$-0.04
Q4 24
$0.48
$0.14
Q3 24
$-0.11
$0.13
Q2 24
$-0.26
$0.05

Balance Sheet & Financial Strength

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

Metric
AR
AR
CSGP
CSGP
Cash + ST InvestmentsLiquidity on hand
$1.6B
Total DebtLower is stronger
$1.4B
$140.0M
Stockholders' EquityBook value
$7.6B
$8.3B
Total Assets
$13.2B
$10.5B
Debt / EquityLower = less leverage
0.19×
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AR
AR
CSGP
CSGP
Q1 26
Q4 25
$1.6B
Q3 25
$1.9B
Q2 25
$3.6B
Q1 25
$3.7B
Q4 24
$4.7B
Q3 24
Q2 24
Total Debt
AR
AR
CSGP
CSGP
Q1 26
$1.4B
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
AR
AR
CSGP
CSGP
Q1 26
$7.6B
Q4 25
$7.6B
$8.3B
Q3 25
$7.3B
$8.6B
Q2 25
$7.3B
$8.6B
Q1 25
$7.2B
$8.6B
Q4 24
$7.0B
$7.6B
Q3 24
$7.0B
$7.5B
Q2 24
$7.0B
$7.4B
Total Assets
AR
AR
CSGP
CSGP
Q1 26
$13.2B
Q4 25
$13.2B
$10.5B
Q3 25
$12.9B
$10.8B
Q2 25
$12.8B
$10.5B
Q1 25
$13.0B
$10.4B
Q4 24
$13.0B
$9.3B
Q3 24
$13.2B
$9.1B
Q2 24
$13.4B
$9.1B
Debt / Equity
AR
AR
CSGP
CSGP
Q1 26
0.19×
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
AR
AR
CSGP
CSGP
Operating Cash FlowLast quarter
$457.7M
$162.1M
Free Cash FlowOCF − Capex
$235.6M
$101.3M
FCF MarginFCF / Revenue
17.4%
11.3%
Capex IntensityCapex / Revenue
6.8%
Cash ConversionOCF / Net Profit
3.49×
TTM Free Cash FlowTrailing 4 quarters
$123.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AR
AR
CSGP
CSGP
Q1 26
$457.7M
Q4 25
$370.7M
$162.1M
Q3 25
$310.1M
$68.2M
Q2 25
$492.4M
$146.5M
Q1 25
$457.7M
$53.2M
Q4 24
$278.0M
$94.6M
Q3 24
$166.2M
$100.3M
Q2 24
$143.5M
$58.1M
Free Cash Flow
AR
AR
CSGP
CSGP
Q1 26
$235.6M
Q4 25
$101.3M
Q3 25
$-5.5M
Q2 25
$27.7M
Q1 25
$-500.0K
Q4 24
$25.2M
Q3 24
$40.2M
Q2 24
$-14.7M
FCF Margin
AR
AR
CSGP
CSGP
Q1 26
17.4%
Q4 25
11.3%
Q3 25
-0.7%
Q2 25
3.5%
Q1 25
-0.1%
Q4 24
3.6%
Q3 24
5.8%
Q2 24
-2.2%
Capex Intensity
AR
AR
CSGP
CSGP
Q1 26
Q4 25
6.8%
Q3 25
8.8%
Q2 25
15.2%
Q1 25
7.3%
Q4 24
9.8%
Q3 24
8.7%
Q2 24
10.7%
Cash Conversion
AR
AR
CSGP
CSGP
Q1 26
Q4 25
1.83×
3.49×
Q3 25
3.62×
Q2 25
2.96×
23.63×
Q1 25
2.09×
Q4 24
1.75×
1.58×
Q3 24
1.89×
Q2 24
3.03×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AR
AR

Natural gas sales$780.0M58%
Natural gas liquids sales$561.4M42%
Oil sales$50.3M4%
Other revenue and income$818.0K0%

CSGP
CSGP

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

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