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Side-by-side financial comparison of AIRGAIN INC (AIRG) and CarMax (KMX). Click either name above to swap in a different company.

CarMax is the larger business by last-quarter revenue ($5.8B vs $12.1M, roughly 477.8× AIRGAIN INC). CarMax runs the higher net margin — 1.1% vs -20.1%, a 21.2% gap on every dollar of revenue. On growth, CarMax posted the faster year-over-year revenue change (-6.9% vs -19.6%). CarMax produced more free cash flow last quarter ($1.1B vs $93.0K). Over the past eight quarters, CarMax's revenue compounded faster (1.5% CAGR vs -7.7%).

Airgain Inc is a leading provider of high-performance wireless connectivity solutions, including advanced antenna products, embedded radio modules, and custom connectivity systems. It serves core market segments such as IoT, automotive, smart home, enterprise networking, and telecommunications, delivering reliable high-speed wireless performance for various connected device use cases.

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.

AIRG vs KMX — Head-to-Head

Bigger by revenue
KMX
KMX
477.8× larger
KMX
$5.8B
$12.1M
AIRG
Growing faster (revenue YoY)
KMX
KMX
+12.7% gap
KMX
-6.9%
-19.6%
AIRG
Higher net margin
KMX
KMX
21.2% more per $
KMX
1.1%
-20.1%
AIRG
More free cash flow
KMX
KMX
$1.1B more FCF
KMX
$1.1B
$93.0K
AIRG
Faster 2-yr revenue CAGR
KMX
KMX
Annualised
KMX
1.5%
-7.7%
AIRG

Income Statement — Q4 2025 vs Q3 2026

Metric
AIRG
AIRG
KMX
KMX
Revenue
$12.1M
$5.8B
Net Profit
$-2.4M
$62.2M
Gross Margin
44.8%
10.2%
Operating Margin
-20.0%
Net Margin
-20.1%
1.1%
Revenue YoY
-19.6%
-6.9%
Net Profit YoY
-24.4%
-50.4%
EPS (diluted)
$-0.21
$0.43

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
AIRG
AIRG
KMX
KMX
Q4 25
$12.1M
$5.8B
Q3 25
$14.0M
$6.6B
Q2 25
$13.6M
$7.5B
Q1 25
$12.0M
$6.0B
Q4 24
$15.1M
$6.2B
Q3 24
$16.1M
$7.0B
Q2 24
$15.2M
$7.1B
Q1 24
$14.2M
$5.6B
Net Profit
AIRG
AIRG
KMX
KMX
Q4 25
$-2.4M
$62.2M
Q3 25
$-964.0K
$95.4M
Q2 25
$-1.5M
$210.4M
Q1 25
$-1.5M
$89.9M
Q4 24
$-2.0M
$125.4M
Q3 24
$-1.8M
$132.8M
Q2 24
$-2.5M
$152.4M
Q1 24
$-2.5M
$50.3M
Gross Margin
AIRG
AIRG
KMX
KMX
Q4 25
44.8%
10.2%
Q3 25
43.6%
10.9%
Q2 25
42.9%
11.8%
Q1 25
43.0%
11.1%
Q4 24
42.2%
10.9%
Q3 24
41.7%
10.8%
Q2 24
40.5%
11.1%
Q1 24
39.2%
10.4%
Operating Margin
AIRG
AIRG
KMX
KMX
Q4 25
-20.0%
Q3 25
-6.9%
Q2 25
-14.7%
Q1 25
-25.8%
2.0%
Q4 24
-13.1%
2.7%
Q3 24
-11.3%
2.5%
Q2 24
-16.5%
2.9%
Q1 24
-18.5%
1.2%
Net Margin
AIRG
AIRG
KMX
KMX
Q4 25
-20.1%
1.1%
Q3 25
-6.9%
1.4%
Q2 25
-10.8%
2.8%
Q1 25
-12.9%
1.5%
Q4 24
-13.0%
2.0%
Q3 24
-10.9%
1.9%
Q2 24
-16.6%
2.1%
Q1 24
-17.3%
0.9%
EPS (diluted)
AIRG
AIRG
KMX
KMX
Q4 25
$-0.21
$0.43
Q3 25
$-0.08
$0.64
Q2 25
$-0.12
$1.38
Q1 25
$-0.13
$0.58
Q4 24
$-0.17
$0.81
Q3 24
$-0.16
$0.85
Q2 24
$-0.23
$0.97
Q1 24
$-0.23
$0.31

Balance Sheet & Financial Strength

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

Metric
AIRG
AIRG
KMX
KMX
Cash + ST InvestmentsLiquidity on hand
$7.4M
$204.9M
Total DebtLower is stronger
$16.6B
Stockholders' EquityBook value
$28.3M
$6.1B
Total Assets
$45.3M
$25.6B
Debt / EquityLower = less leverage
2.74×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AIRG
AIRG
KMX
KMX
Q4 25
$7.4M
$204.9M
Q3 25
$7.1M
$540.4M
Q2 25
$7.7M
$262.8M
Q1 25
$7.4M
$247.0M
Q4 24
$8.5M
$271.9M
Q3 24
$7.3M
$524.7M
Q2 24
$8.4M
$218.9M
Q1 24
$7.2M
$574.1M
Total Debt
AIRG
AIRG
KMX
KMX
Q4 25
$16.6B
Q3 25
$17.8B
Q2 25
$18.0B
Q1 25
$18.1B
Q4 24
$18.1B
Q3 24
$18.1B
Q2 24
$18.2B
Q1 24
$18.0B
Stockholders' Equity
AIRG
AIRG
KMX
KMX
Q4 25
$28.3M
$6.1B
Q3 25
$29.7M
$6.2B
Q2 25
$29.8M
$6.3B
Q1 25
$30.3M
$6.2B
Q4 24
$31.0M
$6.2B
Q3 24
$30.8M
$6.2B
Q2 24
$31.6M
$6.2B
Q1 24
$30.5M
$6.1B
Total Assets
AIRG
AIRG
KMX
KMX
Q4 25
$45.3M
$25.6B
Q3 25
$45.5M
$27.1B
Q2 25
$45.5M
$27.4B
Q1 25
$46.1M
$27.4B
Q4 24
$48.4M
$27.3B
Q3 24
$43.3M
$27.3B
Q2 24
$42.4M
$27.2B
Q1 24
$42.8M
$27.2B
Debt / Equity
AIRG
AIRG
KMX
KMX
Q4 25
2.74×
Q3 25
2.87×
Q2 25
2.86×
Q1 25
2.91×
Q4 24
2.92×
Q3 24
2.93×
Q2 24
2.95×
Q1 24
2.96×

Cash Flow & Capital Efficiency

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

Metric
AIRG
AIRG
KMX
KMX
Operating Cash FlowLast quarter
$194.0K
$1.3B
Free Cash FlowOCF − Capex
$93.0K
$1.1B
FCF MarginFCF / Revenue
0.8%
19.2%
Capex IntensityCapex / Revenue
0.8%
2.4%
Cash ConversionOCF / Net Profit
20.14×
TTM Free Cash FlowTrailing 4 quarters
$-1.3M
$1.9B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AIRG
AIRG
KMX
KMX
Q4 25
$194.0K
$1.3B
Q3 25
$-411.0K
$785.5M
Q2 25
$129.0K
$299.5M
Q1 25
$-1.0M
$146.4M
Q4 24
$-26.0K
$-23.4M
Q3 24
$-1.2M
$619.1M
Q2 24
$-1.2M
$-117.7M
Q1 24
$-1.1M
$309.6M
Free Cash Flow
AIRG
AIRG
KMX
KMX
Q4 25
$93.0K
$1.1B
Q3 25
$-418.0K
$654.0M
Q2 25
$113.0K
$162.8M
Q1 25
$-1.1M
$18.8M
Q4 24
$-27.0K
$-150.6M
Q3 24
$-1.2M
$509.9M
Q2 24
$-1.3M
$-221.6M
Q1 24
$-1.2M
$199.8M
FCF Margin
AIRG
AIRG
KMX
KMX
Q4 25
0.8%
19.2%
Q3 25
-3.0%
9.9%
Q2 25
0.8%
2.2%
Q1 25
-8.9%
0.3%
Q4 24
-0.2%
-2.4%
Q3 24
-7.5%
7.3%
Q2 24
-8.5%
-3.1%
Q1 24
-8.3%
3.6%
Capex Intensity
AIRG
AIRG
KMX
KMX
Q4 25
0.8%
2.4%
Q3 25
0.0%
2.0%
Q2 25
0.1%
1.8%
Q1 25
0.3%
2.1%
Q4 24
0.0%
2.0%
Q3 24
0.2%
1.6%
Q2 24
0.6%
1.5%
Q1 24
0.4%
2.0%
Cash Conversion
AIRG
AIRG
KMX
KMX
Q4 25
20.14×
Q3 25
8.24×
Q2 25
1.42×
Q1 25
1.63×
Q4 24
-0.19×
Q3 24
4.66×
Q2 24
-0.77×
Q1 24
6.16×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AIRG
AIRG

Segment breakdown not available.

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%

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