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ASPN · NYSE

Aspen Aerogels (ASPN) Stock Price & Fundamentals

$635.36−1.30%−$8.35End-of-day price as of Oct 9, 2026

Aspen Aerogels (ASPN) closed at $635.36 on Oct 9, 2026, down 1.30% from the previous close of $643.71.

Share price, past year

1Y +21.25%

52-week range $487.06 – $662.23. Daily closing prices.
Monthly closing prices
Last closing price of each month
DateClose
Oct 9, 2026$635.36
Sep 30, 2026$656.51
Aug 31, 2026$658.60
Jul 31, 2026$632.37
Jun 30, 2026$626.33
May 29, 2026$618.48
Apr 30, 2026$615.59
Mar 31, 2026$571.56
Feb 27, 2026$577.72
Jan 30, 2026$507.23
Dec 31, 2025$503.06
Nov 28, 2025$489.39
Oct 31, 2025$507.16

Key statistics

Market cap
$52.73B
P/E (TTM)
—
EPS (TTM)
−$1.52
Revenue (TTM)
$202.09M
Net income (TTM)
−$126.20M
Shares outstanding
83M
Dividend yield
—
52-week range
$487.06 – $662.23

Aspen Aerogels's market cap is $52.73B, based on a share price of $635.36 and 83M shares outstanding as of Jun 30, 2026.

Financials

Aspen Aerogels reported revenue of $271.10M for fiscal 2025, down 40.11% from fiscal 2024.

Aspen Aerogels reported a net loss of $389.55M in fiscal 2025.

Annual revenue

FY16FY17FY18FY19FY20FY21FY22FY23FY24FY25
Annual revenue by fiscal year; the table below lists the values.
Aspen Aerogels annual financials by fiscal year, from SEC filings
Fiscal yearRevenueGrowthNet incomeNet marginEPS (diluted)Free cash flow
FY2025ended Dec 31, 2025$271.10M−40.1%−$389.55M−143.7%−$4.73−$4.58M
FY2024ended Dec 31, 2024$452.70M+89.6%$13.38M3.0%$0.17−$40.71M
FY2023ended Dec 31, 2023$238.72M+32.4%−$45.81M−19.2%−$0.66−$218.07M
FY2022ended Dec 31, 2022$180.36M+48.3%−$82.74M−45.9%−$2.10−$272.37M
FY2021ended Dec 31, 2021$121.62M+21.3%−$37.09M−30.5%−$1.22−$32.41M
FY2020ended Dec 31, 2020$100.27M−28.1%−$21.81M−21.8%−$0.83−$13.34M
FY2019ended Dec 31, 2019$139.38M+33.6%−$14.57M−10.5%−$0.60−$3.17M
FY2018ended Dec 31, 2018$104.36M−6.5%−$34.44M−33.0%−$1.45−$12.25M
FY2017ended Dec 31, 2017$111.63M−5.2%−$19.32M−17.3%−$0.83−$10.72M
FY2016ended Dec 31, 2016$117.74M—−$12.02M−10.2%−$0.52−$13.79M
Aspen Aerogels quarterly results
QuarterRevenueNet incomeEPS (diluted)
Q2 FY2026ended Jun 30, 2026$49.85M−$23.26M−$0.28
Q1 FY2026ended Mar 31, 2026$37.88M−$23.69M−$0.29
Q4 FY2025ended Dec 31, 2025$41.34M−$72.91M−$0.87
Q3 FY2025ended Sep 30, 2025$73.02M−$6.33M−$0.08
Q2 FY2025ended Jun 30, 2025$78.02M−$9.06M−$0.11
Q1 FY2025ended Mar 31, 2025$78.72M−$301.25M−$3.67
Q4 FY2024ended Dec 31, 2024$123.09M$11.36M$0.15
Q3 FY2024ended Sep 30, 2024$117.34M−$12.97M−$0.17

Company profile

Name
Aspen Aerogels, Inc.
Ticker
ASPN
Exchange
NYSE
Industry (SEC SIC)
Wholesale-Lumber & Other Construction Materials
Headquarters
30 Forbes Road, Building B, Northborough, MA 01532
Incorporated in
DE
Fiscal year ends
December
SEC CIK
0001145986

Recent SEC filings

Frequently asked questions

What is Aspen Aerogels's stock price?

Aspen Aerogels (ASPN) closed at $635.36 on Oct 9, 2026, down 1.30% from the previous close of $643.71.

What is Aspen Aerogels's market cap?

Aspen Aerogels's market cap is $52.73B, based on a share price of $635.36 and 83M shares outstanding as of Jun 30, 2026.

How much revenue does Aspen Aerogels make?

Aspen Aerogels reported revenue of $271.10M for fiscal 2025, down 40.11% from fiscal 2024.

Does Aspen Aerogels pay a dividend?

Aspen Aerogels's recent filings report no dividends declared over the last four quarters.

Sources and methodology

Fundamentals come from Aspen Aerogels, Inc.'s filings with the SEC (EDGAR XBRL company facts). Fourth-quarter figures that companies don't report separately are calculated as the fiscal year minus the first three quarters. Trailing twelve-month (TTM) figures sum the latest four quarters. Prices are generated sample data for development. Last updated Oct 9, 2026. Data sources and disclosures