ASPNAspen Aerogels, Inc.

$5.54-29% 1Y

Is the business good?

Watch

Margins compressing. That is the only one of 4 checks this filer's data supports, so take it as a single data point rather than a settled answer.

1 to watch, 3 without data
Margin direction, 3 years−29.3 ptsderived

Operating margin has narrowed over the past few years, profitability per dollar of sales is eroding.

Where this answer is blind. The F-score rewards improvement, so an already-elite company can score mid-pack.

How good a business is ASPN?

Aspen Aerogels, Inc. earns −100% on the capital it employs against a 9.0% cost of capital, so growth costs more than it returns.

−100%

Return on invested capital · cost of capital 9.0% · 109 points below what the capital costs: growth destroys value

Operating margin
−61%

Operating margin · Building Products & Equipment median 7.8% · 12 months to Q2 2026

Share count, year on year
+0.87%

Share count, year on year · flat: no meaningful dilution

R&D as % of revenue
5.5%

R&D as % of revenue

Operating margin by fiscal year
YearOperating margin
FY2020−22%
FY2021−33%
FY2022−44%
FY2023−21%
FY202412%
FY2025−140%
Details›
Gross margin12 months to Q2 2026
2.7%
Operating margin12 months to Q2 2026
−61%
Net margin12 months to Q2 2026
−62%
Free cash flow margin
17%
R&D as % of revenue
5.5%
Revenue, trailing twelve months
$202M
Free cash flow, trailing twelve months
$34M
Net income, trailing twelve months
−$126M
Return on invested capitaloperating profit after tax ÷ debt + equity − cash
−100%

Margins, capital and share counts from the statements as filed with the SEC; cash conversion is operating cash flow over operating profit after tax.

Customers and suppliers

Who buys from ASPN and who it buys from, as the companies report it.

59%of revenue comes from customer A, the largest of 2 disclosed customers
Customerswho buys
Supplierswho it buys from

None disclosed.

A company has to disclose every customer behind 10% or more of its revenue. Each share comes from the latest annual report of the company that states it and shows on both companies’ pages; ASPN’s own figures are from its FY2025 10-K. Smaller customers and suppliers go unreported.