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Side-by-side financial comparison of A. O. Smith (AOS) and CoStar Group (CSGP). Click either name above to swap in a different company.

A. O. Smith is the larger business by last-quarter revenue ($912.5M vs $899.9M, roughly 1.0× CoStar Group). A. O. Smith runs the higher net margin — 13.7% vs 5.2%, a 8.6% gap on every dollar of revenue. On growth, CoStar Group posted the faster year-over-year revenue change (26.9% vs 0.0%). A. O. Smith produced more free cash flow last quarter ($165.5M vs $101.3M). Over the past eight quarters, CoStar Group's revenue compounded faster (17.1% CAGR vs -3.4%).

A. O. Smith Corporation is an American manufacturer of both residential and commercial water heaters and boilers, and the largest manufacturer and marketer of water heaters in North America. It also supplies water treatment and purification products in the Asian market. The company has 27 locations worldwide, including five manufacturing facilities in North America, as well as plants in Bengaluru in India, Nanjing in China and Veldhoven in The Netherlands.

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.

AOS vs CSGP — Head-to-Head

Bigger by revenue
AOS
AOS
1.0× larger
AOS
$912.5M
$899.9M
CSGP
Growing faster (revenue YoY)
CSGP
CSGP
+26.8% gap
CSGP
26.9%
0.0%
AOS
Higher net margin
AOS
AOS
8.6% more per $
AOS
13.7%
5.2%
CSGP
More free cash flow
AOS
AOS
$64.2M more FCF
AOS
$165.5M
$101.3M
CSGP
Faster 2-yr revenue CAGR
CSGP
CSGP
Annualised
CSGP
17.1%
-3.4%
AOS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AOS
AOS
CSGP
CSGP
Revenue
$912.5M
$899.9M
Net Profit
$125.4M
$46.5M
Gross Margin
38.4%
78.6%
Operating Margin
17.9%
5.5%
Net Margin
13.7%
5.2%
Revenue YoY
0.0%
26.9%
Net Profit YoY
14.3%
-22.2%
EPS (diluted)
$0.89
$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
AOS
AOS
CSGP
CSGP
Q4 25
$912.5M
$899.9M
Q3 25
$942.5M
$833.6M
Q2 25
$1.0B
$781.3M
Q1 25
$963.9M
$732.2M
Q4 24
$912.4M
$709.4M
Q3 24
$902.6M
$692.6M
Q2 24
$1.0B
$677.8M
Q1 24
$978.8M
$656.4M
Net Profit
AOS
AOS
CSGP
CSGP
Q4 25
$125.4M
$46.5M
Q3 25
$132.0M
$-30.9M
Q2 25
$152.2M
$6.2M
Q1 25
$136.6M
$-14.8M
Q4 24
$109.7M
$59.8M
Q3 24
$120.1M
$53.0M
Q2 24
$156.2M
$19.2M
Q1 24
$147.6M
$6.7M
Gross Margin
AOS
AOS
CSGP
CSGP
Q4 25
38.4%
78.6%
Q3 25
38.7%
79.3%
Q2 25
39.3%
78.5%
Q1 25
38.9%
79.1%
Q4 24
37.1%
80.1%
Q3 24
37.4%
79.7%
Q2 24
38.7%
80.0%
Q1 24
39.3%
78.5%
Operating Margin
AOS
AOS
CSGP
CSGP
Q4 25
17.9%
5.5%
Q3 25
18.6%
-6.1%
Q2 25
20.4%
-3.5%
Q1 25
19.1%
-5.8%
Q4 24
10.1%
5.6%
Q3 24
19.5%
3.4%
Q2 24
21.9%
-2.4%
Q1 24
22.0%
-6.5%
Net Margin
AOS
AOS
CSGP
CSGP
Q4 25
13.7%
5.2%
Q3 25
14.0%
-3.7%
Q2 25
15.0%
0.8%
Q1 25
14.2%
-2.0%
Q4 24
12.0%
8.4%
Q3 24
13.3%
7.7%
Q2 24
15.2%
2.8%
Q1 24
15.1%
1.0%
EPS (diluted)
AOS
AOS
CSGP
CSGP
Q4 25
$0.89
$0.12
Q3 25
$0.94
$-0.07
Q2 25
$1.07
$0.01
Q1 25
$0.95
$-0.04
Q4 24
$0.75
$0.14
Q3 24
$0.82
$0.13
Q2 24
$1.06
$0.05
Q1 24
$1.00
$0.02

Balance Sheet & Financial Strength

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

Metric
AOS
AOS
CSGP
CSGP
Cash + ST InvestmentsLiquidity on hand
$193.2M
$1.6B
Total DebtLower is stronger
$155.0M
$140.0M
Stockholders' EquityBook value
$1.9B
$8.3B
Total Assets
$3.1B
$10.5B
Debt / EquityLower = less leverage
0.08×
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AOS
AOS
CSGP
CSGP
Q4 25
$193.2M
$1.6B
Q3 25
$172.8M
$1.9B
Q2 25
$177.9M
$3.6B
Q1 25
$200.2M
$3.7B
Q4 24
$276.1M
$4.7B
Q3 24
$255.6M
Q2 24
$233.3M
Q1 24
$303.1M
Total Debt
AOS
AOS
CSGP
CSGP
Q4 25
$155.0M
$140.0M
Q3 25
$1.0B
Q2 25
$1.0B
Q1 25
$1.0B
Q4 24
$193.2M
$1.0B
Q3 24
$1.0B
Q2 24
$1.0B
Q1 24
$1.0B
Stockholders' Equity
AOS
AOS
CSGP
CSGP
Q4 25
$1.9B
$8.3B
Q3 25
$1.8B
$8.6B
Q2 25
$1.8B
$8.6B
Q1 25
$1.9B
$8.6B
Q4 24
$1.9B
$7.6B
Q3 24
$1.9B
$7.5B
Q2 24
$1.9B
$7.4B
Q1 24
$1.9B
$7.3B
Total Assets
AOS
AOS
CSGP
CSGP
Q4 25
$3.1B
$10.5B
Q3 25
$3.2B
$10.8B
Q2 25
$3.2B
$10.5B
Q1 25
$3.3B
$10.4B
Q4 24
$3.2B
$9.3B
Q3 24
$3.2B
$9.1B
Q2 24
$3.2B
$9.1B
Q1 24
$3.2B
$9.0B
Debt / Equity
AOS
AOS
CSGP
CSGP
Q4 25
0.08×
0.02×
Q3 25
0.12×
Q2 25
0.12×
Q1 25
0.12×
Q4 24
0.10×
0.13×
Q3 24
0.13×
Q2 24
0.14×
Q1 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
AOS
AOS
CSGP
CSGP
Operating Cash FlowLast quarter
$183.1M
$162.1M
Free Cash FlowOCF − Capex
$165.5M
$101.3M
FCF MarginFCF / Revenue
18.1%
11.3%
Capex IntensityCapex / Revenue
1.9%
6.8%
Cash ConversionOCF / Net Profit
1.46×
3.49×
TTM Free Cash FlowTrailing 4 quarters
$546.0M
$123.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AOS
AOS
CSGP
CSGP
Q4 25
$183.1M
$162.1M
Q3 25
$255.4M
$68.2M
Q2 25
$139.6M
$146.5M
Q1 25
$38.7M
$53.2M
Q4 24
$221.9M
$94.6M
Q3 24
$195.9M
$100.3M
Q2 24
$57.4M
$58.1M
Q1 24
$106.6M
$139.6M
Free Cash Flow
AOS
AOS
CSGP
CSGP
Q4 25
$165.5M
$101.3M
Q3 25
$240.6M
$-5.5M
Q2 25
$122.5M
$27.7M
Q1 25
$17.4M
$-500.0K
Q4 24
$191.3M
$25.2M
Q3 24
$163.4M
$40.2M
Q2 24
$34.5M
$-14.7M
Q1 24
$84.6M
$-237.1M
FCF Margin
AOS
AOS
CSGP
CSGP
Q4 25
18.1%
11.3%
Q3 25
25.5%
-0.7%
Q2 25
12.1%
3.5%
Q1 25
1.8%
-0.1%
Q4 24
21.0%
3.6%
Q3 24
18.1%
5.8%
Q2 24
3.4%
-2.2%
Q1 24
8.6%
-36.1%
Capex Intensity
AOS
AOS
CSGP
CSGP
Q4 25
1.9%
6.8%
Q3 25
1.6%
8.8%
Q2 25
1.7%
15.2%
Q1 25
2.2%
7.3%
Q4 24
3.4%
9.8%
Q3 24
3.6%
8.7%
Q2 24
2.2%
10.7%
Q1 24
2.2%
57.4%
Cash Conversion
AOS
AOS
CSGP
CSGP
Q4 25
1.46×
3.49×
Q3 25
1.93×
Q2 25
0.92×
23.63×
Q1 25
0.28×
Q4 24
2.02×
1.58×
Q3 24
1.63×
1.89×
Q2 24
0.37×
3.03×
Q1 24
0.72×
20.84×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AOS
AOS

North America Segment$713.7M78%
Rest Of World$158.3M17%
Other$40.5M4%

CSGP
CSGP

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

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