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Side-by-side financial comparison of CarMax (KMX) and Williams Companies (WMB). Click either name above to swap in a different company.

CarMax is the larger business by last-quarter revenue ($5.8B vs $3.8B, roughly 1.5× Williams Companies). Williams Companies runs the higher net margin — 19.1% vs 1.1%, a 18.0% gap on every dollar of revenue. On growth, Williams Companies posted the faster year-over-year revenue change (12.7% vs -6.9%). CarMax produced more free cash flow last quarter ($1.1B vs $-379.0M). Over the past eight quarters, Williams Companies's revenue compounded faster (7.3% CAGR vs 1.5%).

CarMax, Inc. is a used vehicle retailer based in the United States. It operates two business segments: CarMax Sales Operations and CarMax Auto Finance. The company began as a side business of Circuit City Corporation, Inc., opening its first location in September 1993 in Richmond, Virginia. As of January 2025, CarMax operates 253 locations.

The Williams Companies, Inc. is an American energy company based in Tulsa, Oklahoma. Its core business is natural gas processing and transportation, with additional petroleum and electricity generation assets. A Fortune 500 company, its common stock is a component of the S&P 500.

KMX vs WMB — Head-to-Head

Bigger by revenue
KMX
KMX
1.5× larger
KMX
$5.8B
$3.8B
WMB
Growing faster (revenue YoY)
WMB
WMB
+19.6% gap
WMB
12.7%
-6.9%
KMX
Higher net margin
WMB
WMB
18.0% more per $
WMB
19.1%
1.1%
KMX
More free cash flow
KMX
KMX
$1.5B more FCF
KMX
$1.1B
$-379.0M
WMB
Faster 2-yr revenue CAGR
WMB
WMB
Annualised
WMB
7.3%
1.5%
KMX

Income Statement — Q3 FY2026 vs Q4 FY2025

Metric
KMX
KMX
WMB
WMB
Revenue
$5.8B
$3.8B
Net Profit
$62.2M
$734.0M
Gross Margin
10.2%
Operating Margin
27.3%
Net Margin
1.1%
19.1%
Revenue YoY
-6.9%
12.7%
Net Profit YoY
-50.4%
51.0%
EPS (diluted)
$0.43
$0.60

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
KMX
KMX
WMB
WMB
Q4 25
$5.8B
$3.8B
Q3 25
$6.6B
$3.5B
Q2 25
$7.5B
$3.4B
Q1 25
$6.0B
$4.2B
Q4 24
$6.2B
$3.4B
Q3 24
$7.0B
$3.0B
Q2 24
$7.1B
$2.8B
Q1 24
$5.6B
$3.3B
Net Profit
KMX
KMX
WMB
WMB
Q4 25
$62.2M
$734.0M
Q3 25
$95.4M
$647.0M
Q2 25
$210.4M
$546.0M
Q1 25
$89.9M
$691.0M
Q4 24
$125.4M
$486.0M
Q3 24
$132.8M
$706.0M
Q2 24
$152.4M
$401.0M
Q1 24
$50.3M
$632.0M
Gross Margin
KMX
KMX
WMB
WMB
Q4 25
10.2%
Q3 25
10.9%
Q2 25
11.8%
Q1 25
11.1%
Q4 24
10.9%
Q3 24
10.8%
Q2 24
11.1%
Q1 24
10.4%
Operating Margin
KMX
KMX
WMB
WMB
Q4 25
27.3%
Q3 25
31.8%
Q2 25
28.0%
Q1 25
2.0%
26.1%
Q4 24
2.7%
23.2%
Q3 24
2.5%
27.6%
Q2 24
2.9%
24.4%
Q1 24
1.2%
30.3%
Net Margin
KMX
KMX
WMB
WMB
Q4 25
1.1%
19.1%
Q3 25
1.4%
18.5%
Q2 25
2.8%
16.2%
Q1 25
1.5%
16.5%
Q4 24
2.0%
14.2%
Q3 24
1.9%
23.3%
Q2 24
2.1%
14.1%
Q1 24
0.9%
18.9%
EPS (diluted)
KMX
KMX
WMB
WMB
Q4 25
$0.43
$0.60
Q3 25
$0.64
$0.53
Q2 25
$1.38
$0.45
Q1 25
$0.58
$0.56
Q4 24
$0.81
$0.39
Q3 24
$0.85
$0.58
Q2 24
$0.97
$0.33
Q1 24
$0.31
$0.52

Balance Sheet & Financial Strength

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

Metric
KMX
KMX
WMB
WMB
Cash + ST InvestmentsLiquidity on hand
$204.9M
Total DebtLower is stronger
$16.6B
$27.3B
Stockholders' EquityBook value
$6.1B
$12.8B
Total Assets
$25.6B
$58.6B
Debt / EquityLower = less leverage
2.74×
2.13×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
KMX
KMX
WMB
WMB
Q4 25
$204.9M
Q3 25
$540.4M
Q2 25
$262.8M
Q1 25
$247.0M
Q4 24
$271.9M
Q3 24
$524.7M
Q2 24
$218.9M
Q1 24
$574.1M
Total Debt
KMX
KMX
WMB
WMB
Q4 25
$16.6B
$27.3B
Q3 25
$17.8B
$25.6B
Q2 25
$18.0B
$25.6B
Q1 25
$18.1B
$24.1B
Q4 24
$18.1B
$24.7B
Q3 24
$18.1B
$24.8B
Q2 24
$18.2B
$24.1B
Q1 24
$18.0B
$24.1B
Stockholders' Equity
KMX
KMX
WMB
WMB
Q4 25
$6.1B
$12.8B
Q3 25
$6.2B
$12.5B
Q2 25
$6.3B
$12.4B
Q1 25
$6.2B
$12.5B
Q4 24
$6.2B
$12.4B
Q3 24
$6.2B
$12.4B
Q2 24
$6.2B
$12.3B
Q1 24
$6.1B
$12.4B
Total Assets
KMX
KMX
WMB
WMB
Q4 25
$25.6B
$58.6B
Q3 25
$27.1B
$55.7B
Q2 25
$27.4B
$56.1B
Q1 25
$27.4B
$54.9B
Q4 24
$27.3B
$54.5B
Q3 24
$27.3B
$53.8B
Q2 24
$27.2B
$52.4B
Q1 24
$27.2B
$52.7B
Debt / Equity
KMX
KMX
WMB
WMB
Q4 25
2.74×
2.13×
Q3 25
2.87×
2.04×
Q2 25
2.86×
2.06×
Q1 25
2.91×
1.93×
Q4 24
2.92×
1.99×
Q3 24
2.93×
2.00×
Q2 24
2.95×
1.96×
Q1 24
2.96×
1.94×

Cash Flow & Capital Efficiency

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

Metric
KMX
KMX
WMB
WMB
Operating Cash FlowLast quarter
$1.3B
$1.6B
Free Cash FlowOCF − Capex
$1.1B
$-379.0M
FCF MarginFCF / Revenue
19.2%
-9.9%
Capex IntensityCapex / Revenue
2.4%
50.9%
Cash ConversionOCF / Net Profit
20.14×
2.15×
TTM Free Cash FlowTrailing 4 quarters
$1.9B
$1.0B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
KMX
KMX
WMB
WMB
Q4 25
$1.3B
$1.6B
Q3 25
$785.5M
$1.4B
Q2 25
$299.5M
$1.4B
Q1 25
$146.4M
$1.4B
Q4 24
$-23.4M
$1.2B
Q3 24
$619.1M
$1.2B
Q2 24
$-117.7M
$1.3B
Q1 24
$309.6M
$1.2B
Free Cash Flow
KMX
KMX
WMB
WMB
Q4 25
$1.1B
$-379.0M
Q3 25
$654.0M
$485.0M
Q2 25
$162.8M
$478.0M
Q1 25
$18.8M
$421.0M
Q4 24
$-150.6M
$450.0M
Q3 24
$509.9M
$561.0M
Q2 24
$-221.6M
$700.0M
Q1 24
$199.8M
$690.0M
FCF Margin
KMX
KMX
WMB
WMB
Q4 25
19.2%
-9.9%
Q3 25
9.9%
13.9%
Q2 25
2.2%
14.2%
Q1 25
0.3%
10.1%
Q4 24
-2.4%
13.2%
Q3 24
7.3%
18.5%
Q2 24
-3.1%
24.6%
Q1 24
3.6%
20.7%
Capex Intensity
KMX
KMX
WMB
WMB
Q4 25
2.4%
50.9%
Q3 25
2.0%
27.3%
Q2 25
1.8%
28.8%
Q1 25
2.1%
24.2%
Q4 24
2.0%
22.5%
Q3 24
1.6%
22.5%
Q2 24
1.5%
20.3%
Q1 24
2.0%
16.3%
Cash Conversion
KMX
KMX
WMB
WMB
Q4 25
20.14×
2.15×
Q3 25
8.24×
2.22×
Q2 25
1.42×
2.66×
Q1 25
1.63×
2.07×
Q4 24
-0.19×
2.51×
Q3 24
4.66×
1.76×
Q2 24
-0.77×
3.19×
Q1 24
6.16×
1.95×

Financial Flow Comparison

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

Revenue Breakdown by Segment

KMX
KMX

Used Vehicles$4.5B78%
Wholesale Vehicles$1.1B19%
Other$150.6M3%
Extendedprotectionplan Domain$96.6M2%
Advertising Subscription Revenues Domain$35.1M1%
Service Domain$18.5M0%
Thirdpartyfinancefees Domain$3.0M0%

WMB
WMB

Services$2.2B57%
Natural Gas Us Regulated$740.0M19%
West$730.0M19%
Non Regulated Service Commodity Consideration$51.0M1%
Natural Gas Gathering Transportation Marketing And Processing$45.0M1%
Affiliated Entity$23.0M1%
Other$14.0M0%
Other Service$11.0M0%

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