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Side-by-side financial comparison of ASPEN AEROGELS INC (ASPN) and AutoZone (AZO). Click either name above to swap in a different company.

AutoZone is the larger business by last-quarter revenue ($4.3B vs $41.3M, roughly 103.4× ASPEN AEROGELS INC). AutoZone runs the higher net margin — 11.0% vs -176.4%, a 187.3% gap on every dollar of revenue. On growth, AutoZone posted the faster year-over-year revenue change (8.1% vs -66.4%). AutoZone produced more free cash flow last quarter ($35.6M vs $13.7M). Over the past eight quarters, AutoZone's revenue compounded faster (0.5% CAGR vs -33.9%).

Aspen Aerogels Inc is a leading manufacturer of high-performance aerogel-based insulation and thermal management materials. It serves core sectors including renewable energy, oil and gas infrastructure, aerospace, commercial construction and industrial manufacturing, with key markets across North America, Europe and Asia-Pacific. Its products are prized for superior thermal resistance, fire safety and lightweight performance for harsh operating conditions.

AutoZone, Inc., doing business as AutoZone, is an American retailer of aftermarket automotive parts and accessories, the largest in the United States. Founded in 1979, AutoZone has 7,140 stores across the United States, Mexico, Puerto Rico, Brazil, and the US Virgin Islands. The company is based in Memphis, Tennessee.

ASPN vs AZO — Head-to-Head

Bigger by revenue
AZO
AZO
103.4× larger
AZO
$4.3B
$41.3M
ASPN
Growing faster (revenue YoY)
AZO
AZO
+74.6% gap
AZO
8.1%
-66.4%
ASPN
Higher net margin
AZO
AZO
187.3% more per $
AZO
11.0%
-176.4%
ASPN
More free cash flow
AZO
AZO
$22.0M more FCF
AZO
$35.6M
$13.7M
ASPN
Faster 2-yr revenue CAGR
AZO
AZO
Annualised
AZO
0.5%
-33.9%
ASPN

Income Statement — Q4 2025 vs Q2 2026

Metric
ASPN
ASPN
AZO
AZO
Revenue
$41.3M
$4.3B
Net Profit
$-72.9M
$468.9M
Gross Margin
-55.5%
52.5%
Operating Margin
-170.3%
16.3%
Net Margin
-176.4%
11.0%
Revenue YoY
-66.4%
8.1%
Net Profit YoY
-741.7%
-3.9%
EPS (diluted)
$-0.87
$27.63

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
ASPN
ASPN
AZO
AZO
Q1 26
$4.3B
Q4 25
$41.3M
$4.6B
Q3 25
$73.0M
$6.2B
Q2 25
$78.0M
$4.5B
Q1 25
$78.7M
$4.0B
Q4 24
$123.1M
$4.3B
Q3 24
$117.3M
$6.2B
Q2 24
$117.8M
$4.2B
Net Profit
ASPN
ASPN
AZO
AZO
Q1 26
$468.9M
Q4 25
$-72.9M
$530.8M
Q3 25
$-6.3M
$837.0M
Q2 25
$-9.1M
$608.4M
Q1 25
$-301.2M
$487.9M
Q4 24
$11.4M
$564.9M
Q3 24
$-13.0M
$902.2M
Q2 24
$16.8M
$651.7M
Gross Margin
ASPN
ASPN
AZO
AZO
Q1 26
52.5%
Q4 25
-55.5%
51.0%
Q3 25
28.5%
51.5%
Q2 25
32.4%
52.7%
Q1 25
29.0%
53.9%
Q4 24
38.3%
53.0%
Q3 24
41.8%
52.5%
Q2 24
43.8%
53.5%
Operating Margin
ASPN
ASPN
AZO
AZO
Q1 26
16.3%
Q4 25
-170.3%
16.9%
Q3 25
-4.6%
19.2%
Q2 25
-6.6%
19.4%
Q1 25
-380.2%
17.9%
Q4 24
12.0%
19.7%
Q3 24
14.8%
20.9%
Q2 24
17.0%
21.3%
Net Margin
ASPN
ASPN
AZO
AZO
Q1 26
11.0%
Q4 25
-176.4%
11.5%
Q3 25
-8.7%
13.4%
Q2 25
-11.6%
13.6%
Q1 25
-382.7%
12.3%
Q4 24
9.2%
13.2%
Q3 24
-11.1%
14.5%
Q2 24
14.3%
15.4%
EPS (diluted)
ASPN
ASPN
AZO
AZO
Q1 26
$27.63
Q4 25
$-0.87
$31.04
Q3 25
$-0.08
$48.70
Q2 25
$-0.11
$35.36
Q1 25
$-3.67
$28.29
Q4 24
$0.15
$32.52
Q3 24
$-0.17
$51.42
Q2 24
$0.21
$36.69

Balance Sheet & Financial Strength

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

Metric
ASPN
ASPN
AZO
AZO
Cash + ST InvestmentsLiquidity on hand
$156.9M
$285.5M
Total DebtLower is stronger
$65.5M
Stockholders' EquityBook value
$235.5M
$-2.9B
Total Assets
$406.7M
$20.4B
Debt / EquityLower = less leverage
0.28×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASPN
ASPN
AZO
AZO
Q1 26
$285.5M
Q4 25
$156.9M
$287.6M
Q3 25
$150.7M
$271.8M
Q2 25
$167.6M
$268.6M
Q1 25
$192.0M
$300.9M
Q4 24
$220.9M
$304.0M
Q3 24
$113.5M
$298.2M
Q2 24
$91.4M
$275.4M
Total Debt
ASPN
ASPN
AZO
AZO
Q1 26
Q4 25
$65.5M
Q3 25
$70.1M
Q2 25
$77.3M
Q1 25
$95.4M
Q4 24
$95.0M
Q3 24
$93.7M
Q2 24
Stockholders' Equity
ASPN
ASPN
AZO
AZO
Q1 26
$-2.9B
Q4 25
$235.5M
$-3.2B
Q3 25
$305.7M
$-3.4B
Q2 25
$308.8M
$-4.0B
Q1 25
$314.8M
$-4.5B
Q4 24
$614.7M
$-4.7B
Q3 24
$507.6M
$-4.7B
Q2 24
$517.8M
$-4.8B
Total Assets
ASPN
ASPN
AZO
AZO
Q1 26
$20.4B
Q4 25
$406.7M
$19.7B
Q3 25
$491.4M
$19.4B
Q2 25
$525.1M
$18.6B
Q1 25
$555.0M
$18.1B
Q4 24
$895.1M
$17.5B
Q3 24
$782.6M
$17.2B
Q2 24
$748.6M
$17.1B
Debt / Equity
ASPN
ASPN
AZO
AZO
Q1 26
Q4 25
0.28×
Q3 25
0.23×
Q2 25
0.25×
Q1 25
0.30×
Q4 24
0.15×
Q3 24
0.18×
Q2 24

Cash Flow & Capital Efficiency

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

Metric
ASPN
ASPN
AZO
AZO
Operating Cash FlowLast quarter
$16.1M
$373.4M
Free Cash FlowOCF − Capex
$13.7M
$35.6M
FCF MarginFCF / Revenue
33.1%
0.8%
Capex IntensityCapex / Revenue
6.0%
7.9%
Cash ConversionOCF / Net Profit
0.80×
TTM Free Cash FlowTrailing 4 quarters
$-4.6M
$1.6B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ASPN
ASPN
AZO
AZO
Q1 26
$373.4M
Q4 25
$16.1M
$944.2M
Q3 25
$15.0M
$952.8M
Q2 25
$-3.9M
$769.0M
Q1 25
$5.6M
$583.7M
Q4 24
$35.7M
$811.8M
Q3 24
$20.8M
$1.1B
Q2 24
$6.8M
$669.5M
Free Cash Flow
ASPN
ASPN
AZO
AZO
Q1 26
$35.6M
Q4 25
$13.7M
$630.0M
Q3 25
$5.9M
$511.1M
Q2 25
$-16.8M
$423.1M
Q1 25
$-7.4M
$291.0M
Q4 24
$20.9M
$564.8M
Q3 24
$-50.0K
$723.5M
Q2 24
$-18.0M
$434.4M
FCF Margin
ASPN
ASPN
AZO
AZO
Q1 26
0.8%
Q4 25
33.1%
13.6%
Q3 25
8.1%
8.2%
Q2 25
-21.6%
9.5%
Q1 25
-9.4%
7.4%
Q4 24
17.0%
13.2%
Q3 24
-0.0%
11.7%
Q2 24
-15.3%
10.3%
Capex Intensity
ASPN
ASPN
AZO
AZO
Q1 26
7.9%
Q4 25
6.0%
6.8%
Q3 25
12.5%
7.1%
Q2 25
16.5%
7.7%
Q1 25
16.5%
7.4%
Q4 24
12.0%
5.8%
Q3 24
17.7%
5.6%
Q2 24
21.1%
5.6%
Cash Conversion
ASPN
ASPN
AZO
AZO
Q1 26
0.80×
Q4 25
1.78×
Q3 25
1.14×
Q2 25
1.26×
Q1 25
1.20×
Q4 24
3.14×
1.44×
Q3 24
1.19×
Q2 24
0.41×
1.03×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ASPN
ASPN

Energy Industrial$14.5M35%
Other$13.9M34%
Thermal Barrier$12.9M31%

AZO
AZO

Segment breakdown not available.

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