Aspen Aerogels, Inc.
Aspen Aerogels, Inc. (NYSE: ASPN) designs, develops and manufactures aerogel materials for electric vehicle (EV), energy industrial and sustainable insulation markets. Its PyroThin thermal barriers are used in lithium-ion battery systems to help impede thermal runaway, and its aerogel blanket insulation serves… From the company’s description.
Over the twelve months to Sep 30, 2026, Aspen Aerogels, Inc. reported revenue of $214.25M, down 39.3% from a year earlier, and a net loss of $130.29M. Its operating margin was −59.3%, and operations generated $30.33M in cash. In fiscal 2025, it reported revenue of $271.10M, down 40.1% from fiscal 2024, and a net loss of $389.55M.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What Aspen Aerogels, Inc. does
In the company’s own words
Aspen Aerogels, Inc. (NYSE: ASPN) designs, develops and manufactures aerogel materials for electric vehicle (EV), energy industrial and sustainable insulation markets. Its PyroThin thermal barriers are used in lithium-ion battery systems to help impede thermal runaway, and its aerogel blanket insulation serves industrial facilities and other applications. Customers include automotive manufacturers, battery makers, energy companies, insulation distributors, contractors and fabricators. Aspen reports two segments: Thermal Barrier, which supplies products primarily to EV manufacturers, and Energy Industrial, which serves oil, gas, petrochemical, liquefied natural gas and power-generation facilities. Its brands include PyroThin, Pyrogel and Cryogel; other products include Spaceloft Subsea and Cryogel X201. Revenue was $271.1 million in fiscal 2025, and the company had 854 full-time employees at year-end. Aspen manufactures at its Rhode Island facility and uses external manufacturing in China for Energy Industrial products, while a Mexico facility assembles PyroThin products. Its website is https://www.aerogel.com/.
Company details
- Sector
- Materials
- Industry (SIC)
- Wholesale
- Headquarters
- NORTHBOROUGH, MA
- Fiscal year end
- December
- CIK
- 1145986
- SIC
- 5030
Financial performance, year by year
Fiscal 2014–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns Aspen Aerogels, Inc. — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · Aspen Aerogels, Inc.’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Could not be determined for this company: bond issues.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
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