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Side-by-side financial comparison of Allegiant Travel CO (ALGT) 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 $732.4M, roughly 1.2× Allegiant Travel CO). Allegiant Travel CO runs the higher net margin — 5.8% vs 5.2%, a 0.6% gap on every dollar of revenue. On growth, CoStar Group posted the faster year-over-year revenue change (26.9% vs 4.8%). Over the past eight quarters, CoStar Group's revenue compounded faster (17.1% CAGR vs 11.0%).

Allegiant Air, styled as allegiant, is an American low-cost airline headquartered in Las Vegas, Nevada. The airline focuses on serving leisure traffic from small and medium-sized cities which it considers to be underserved, using an ultra low-cost business model with minimal inclusions in fares and a greater number of add-on fees.

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.

ALGT vs CSGP — Head-to-Head

Bigger by revenue
CSGP
CSGP
1.2× larger
CSGP
$899.9M
$732.4M
ALGT
Growing faster (revenue YoY)
CSGP
CSGP
+22.1% gap
CSGP
26.9%
4.8%
ALGT
Higher net margin
ALGT
ALGT
0.6% more per $
ALGT
5.8%
5.2%
CSGP
Faster 2-yr revenue CAGR
CSGP
CSGP
Annualised
CSGP
17.1%
11.0%
ALGT

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
ALGT
ALGT
CSGP
CSGP
Revenue
$732.4M
$899.9M
Net Profit
$42.5M
$46.5M
Gross Margin
78.6%
Operating Margin
11.1%
5.5%
Net Margin
5.8%
5.2%
Revenue YoY
4.8%
26.9%
Net Profit YoY
32.4%
-22.2%
EPS (diluted)
$2.30
$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
ALGT
ALGT
CSGP
CSGP
Q1 26
$732.4M
Q4 25
$595.5M
$899.9M
Q3 25
$494.1M
$833.6M
Q2 25
$617.9M
$781.3M
Q1 25
$616.8M
$732.2M
Q4 24
$553.6M
$709.4M
Q3 24
$489.0M
$692.6M
Q2 24
$594.5M
$677.8M
Net Profit
ALGT
ALGT
CSGP
CSGP
Q1 26
$42.5M
Q4 25
$31.9M
$46.5M
Q3 25
$-43.6M
$-30.9M
Q2 25
$-65.2M
$6.2M
Q1 25
$32.1M
$-14.8M
Q4 24
$-216.2M
$59.8M
Q3 24
$-36.8M
$53.0M
Q2 24
$13.7M
$19.2M
Gross Margin
ALGT
ALGT
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
ALGT
ALGT
CSGP
CSGP
Q1 26
11.1%
Q4 25
11.2%
5.5%
Q3 25
-5.5%
-6.1%
Q2 25
-10.9%
-3.5%
Q1 25
10.5%
-5.8%
Q4 24
-47.7%
5.6%
Q3 24
-5.4%
3.4%
Q2 24
5.9%
-2.4%
Net Margin
ALGT
ALGT
CSGP
CSGP
Q1 26
5.8%
Q4 25
5.4%
5.2%
Q3 25
-8.8%
-3.7%
Q2 25
-10.5%
0.8%
Q1 25
5.2%
-2.0%
Q4 24
-39.1%
8.4%
Q3 24
-7.5%
7.7%
Q2 24
2.3%
2.8%
EPS (diluted)
ALGT
ALGT
CSGP
CSGP
Q1 26
$2.30
Q4 25
$1.82
$0.12
Q3 25
$-2.41
$-0.07
Q2 25
$-3.62
$0.01
Q1 25
$1.73
$-0.04
Q4 24
$-12.12
$0.14
Q3 24
$-2.05
$0.13
Q2 24
$0.75
$0.05

Balance Sheet & Financial Strength

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

Metric
ALGT
ALGT
CSGP
CSGP
Cash + ST InvestmentsLiquidity on hand
$902.1M
$1.6B
Total DebtLower is stronger
$140.0M
Stockholders' EquityBook value
$8.3B
Total Assets
$10.5B
Debt / EquityLower = less leverage
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ALGT
ALGT
CSGP
CSGP
Q1 26
$902.1M
Q4 25
$805.7M
$1.6B
Q3 25
$956.7M
$1.9B
Q2 25
$842.8M
$3.6B
Q1 25
$878.6M
$3.7B
Q4 24
$781.1M
$4.7B
Q3 24
$759.3M
Q2 24
$791.9M
Total Debt
ALGT
ALGT
CSGP
CSGP
Q1 26
Q4 25
$1.7B
$140.0M
Q3 25
$1.8B
$1.0B
Q2 25
$1.8B
$1.0B
Q1 25
$1.7B
$1.0B
Q4 24
$1.6B
$1.0B
Q3 24
$1.8B
$1.0B
Q2 24
$1.7B
$1.0B
Stockholders' Equity
ALGT
ALGT
CSGP
CSGP
Q1 26
Q4 25
$1.1B
$8.3B
Q3 25
$1.0B
$8.6B
Q2 25
$1.1B
$8.6B
Q1 25
$1.1B
$8.6B
Q4 24
$1.1B
$7.6B
Q3 24
$1.3B
$7.5B
Q2 24
$1.3B
$7.4B
Total Assets
ALGT
ALGT
CSGP
CSGP
Q1 26
Q4 25
$4.2B
$10.5B
Q3 25
$4.4B
$10.8B
Q2 25
$4.4B
$10.5B
Q1 25
$4.5B
$10.4B
Q4 24
$4.4B
$9.3B
Q3 24
$4.8B
$9.1B
Q2 24
$4.9B
$9.1B
Debt / Equity
ALGT
ALGT
CSGP
CSGP
Q1 26
Q4 25
1.60×
0.02×
Q3 25
1.76×
0.12×
Q2 25
1.68×
0.12×
Q1 25
1.57×
0.12×
Q4 24
1.48×
0.13×
Q3 24
1.36×
0.13×
Q2 24
1.30×
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
ALGT
ALGT
CSGP
CSGP
Operating Cash FlowLast quarter
$162.1M
Free Cash FlowOCF − Capex
$101.3M
FCF MarginFCF / Revenue
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
ALGT
ALGT
CSGP
CSGP
Q1 26
Q4 25
$112.2M
$162.1M
Q3 25
$-6.1M
$68.2M
Q2 25
$92.2M
$146.5M
Q1 25
$191.4M
$53.2M
Q4 24
$84.4M
$94.6M
Q3 24
$17.3M
$100.3M
Q2 24
$68.9M
$58.1M
Free Cash Flow
ALGT
ALGT
CSGP
CSGP
Q1 26
Q4 25
$90.4M
$101.3M
Q3 25
$-121.7M
$-5.5M
Q2 25
$-10.5M
$27.7M
Q1 25
$116.9M
$-500.0K
Q4 24
$24.0M
$25.2M
Q3 24
$-28.7M
$40.2M
Q2 24
$7.0M
$-14.7M
FCF Margin
ALGT
ALGT
CSGP
CSGP
Q1 26
Q4 25
15.2%
11.3%
Q3 25
-24.6%
-0.7%
Q2 25
-1.7%
3.5%
Q1 25
19.0%
-0.1%
Q4 24
4.3%
3.6%
Q3 24
-5.9%
5.8%
Q2 24
1.2%
-2.2%
Capex Intensity
ALGT
ALGT
CSGP
CSGP
Q1 26
Q4 25
3.7%
6.8%
Q3 25
23.4%
8.8%
Q2 25
16.6%
15.2%
Q1 25
12.1%
7.3%
Q4 24
10.9%
9.8%
Q3 24
9.4%
8.7%
Q2 24
10.4%
10.7%
Cash Conversion
ALGT
ALGT
CSGP
CSGP
Q1 26
Q4 25
3.51×
3.49×
Q3 25
Q2 25
23.63×
Q1 25
5.96×
Q4 24
1.58×
Q3 24
1.89×
Q2 24
5.03×
3.03×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ALGT
ALGT

Passenger$671.8M92%
Third party products$42.3M6%
Fixed fee contracts$18.1M2%
Resort and other$175.0K0%

CSGP
CSGP

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

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