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Aspen Aerogels Inc (ASPN) stock

ASPNNYSEWholesale-Lumber & Other Construction MaterialsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 5, 2026Score 4/3020% above fair value
$5.58−0.41 (-6.84%)

Close on Nov 13, 2026Market cap $463.08MP/E –Yield –

Aspen Aerogels statistics

90 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.

Important dates

Next earnings
Feb 24, 2027 (estimated, before the open)
Last ex-dividend date
No dividends
Fundamentals through
Sep 30, 2026
Share price as of
Nov 13, 2026

Valuation ratiosIndustry

Market Cap
$463.08M
$1.01B
Enterprise Value
$339.55M
$1.51B
PS Ratio
2.16
0.77
PB Ratio
2.51
2.13
P/TBV Ratio
2.51
2.55
P/FCF Ratio
23.22
19.40
P/OCF Ratio
15.27
15.45

Enterprise valuationIndustry

EV / Sales
1.58
0.88
EV / FCF
17.02
19.88

Share statisticsIndustry

Shares Change (YoY)
0.29%
-0.05%
Shares Change (QoQ)
0.17%
0.00%
Float
69M
35M
Shares Held by Insiders
16.8%
15.1%
Shares Held by Institutions
88.5%
79.6%

Short sellingIndustry

Short Interest
6M
–
Short Interest Change
4.29%
-1.13%
Short % of Float
9.29%
4.91%
Short % of Shares Outstanding
7.72%
3.15%
Days to Cover
7.18
3.77

Stock price statisticsIndustry

52-Week High
$8.10
–
52-Week Low
$2.30
–
20-Day Moving Average
$5.41
–
50-Day Moving Average
$5.33
–
200-Day Moving Average
$4.77
–
Average True Range (14)
$0.46
–
Price Change (1 Week)
13.6%
2.51%
Price Change (1 Month)
3.33%
-7.03%
Price Change (3 Months)
-4.12%
-9.92%
Price Change (6 Months)
-0.36%
-3.78%
Price Change (YTD)
97.2%
1.83%
Price Change (1 Year)
62.7%
-1.29%
Price Change (3 Years)
-43.9%
21.3%
Price Change (5 Years)
-90.6%
2.10%
Price Change (10 Years)
47.6%
160.6%
Average Volume (10 Days)
2M
–
Average Volume (20 Days)
1M
–
Average Volume (90 Days)
1M
–
Relative Volume
1.05
0.69
Relative Strength Index (14)
51.5
45.7
Volatility (1 Year)
91.5%
53.4%
Beta (5 Years)
2.17
0.96

MarginsIndustry

Gross Margin
2.42%
25.9%
Operating Margin
-59.3%
3.07%
Pretax Margin
-60.4%
2.57%
Profit Margin
-60.8%
1.82%
EBITDA Margin
-59.3%
3.94%
FCF Margin
9.31%
1.93%

Returns on capitalIndustry

Return on Equity (ROE)
-53.2%
7.65%
Return on Assets (ROA)
-29.4%
2.30%
Return on Invested Capital (ROIC)
-83.0%
7.00%
Return on Capital Employed (ROCE)
-46.7%
6.64%

Financial positionIndustry

Current Ratio
2.10
2.00
Quick Ratio
1.71
0.93
Debt / Equity
0.12
0.57
Debt / FCF
1.13
3.35

GrowthIndustry

Revenue Growth (YoY)
-39.3%
6.67%
FCF Growth (YoY)
642.9%
8.21%
Revenue Growth (3Y CAGR)
14.5%
1.79%
Revenue Growth (5Y CAGR)
22.0%
8.00%

EfficiencyIndustry

Asset Turnover
0.48
1.34
Inventory Turnover
5.78
4.98
Revenue Per Employee
$250.88K
$725.35K
Profits Per Employee
-$152.56K
$11.10K
Employee Count
854
787
WACC
15.5%
9.30%

Income statement (TTM)Industry

Revenue
$214.25M
$1.44B
Gross Profit
$5.18M
$469.86M
Operating Income
-$127.12M
$26.11M
Pretax Income
-$129.42M
$22.92M
Net Income
-$130.29M
$12.05M
EBITDA
-$127.12M
$56.48M
EPS (Diluted)
-$1.58
$0.58

Balance sheetIndustry

Total Debt
$22.46M
$297.09M
Net Cash (Debt)
$123.53M
-$1.76M
Net Cash Per Share
$1.49
-$0.16
Equity (Book Value)
$184.44M
$231.95M
Book Value Per Share
$2.22
$16.12
Tangible Book Value
$184.44M
$41.08M
Working Capital
$134.67M
$150.13M

Cash flow (TTM)Industry

Operating Cash Flow
$30.33M
$4.85M
Capital Expenditures
-$10.38M
-$20.25M
Free Cash Flow
$19.95M
$58.02M
FCF Per Share
$0.24
$2.29

Dividends and yieldsIndustry

Earnings Yield
-28.1%
3.16%
FCF Yield
4.31%
3.86%

Taxes and interestIndustry

Income Tax
$871.00K
$11.58M

Scores and fair valueIndustry

Altman Z-Score
-2.72
3.12
Piotroski F-Score
4
5

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 13, 2026. The S&P 500 is measured by the SPY fund.

PeriodASPNS&P 500DifferenceASPN per yearS&P 500 per year
1 month+2.0%-3.0%+5.0 pts
3 months-8.1%-2.8%−5.3 pts
Year to date+97.2%+11.5%+85.7 pts
1 year+73.3%+13.5%+59.8 pts
3 years-38.9%+77.7%−116.6 pts-15.2%+21.1%
5 years-90.6%+72.6%−163.2 pts-37.7%+11.5%
10 years+41.6%+308.2%−266.5 pts+3.5%+15.1%

Short interest

Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.

6M ASPN shares were sold short on Oct 30, 2026, up 4.3% from the previous report, or 9.29% of the shares available to trade. At recent volumes it would take 7.2 days to buy them back. Over the last 20 sessions, 50.2% of the volume reported to FINRA was short selling.

Settlement dateShares shortChangeAvg. daily volumeDays to cover
Oct 30, 20266,409,521+4.3%893,0087.2
Oct 15, 20266,145,901+0.7%804,1877.6
Sep 30, 20266,101,632-32.7%1,164,3715.2
Sep 15, 20269,064,528+7.9%650,74313.9
Aug 31, 20268,403,741+3.9%771,42010.9
Aug 14, 20268,084,832-8.6%2,513,4753.2
Jul 31, 20268,849,264+7.6%988,0389.0
Jul 15, 20268,223,398+15.8%978,2328.4
Jun 30, 20267,102,074-0.1%1,887,6333.8
Jun 15, 20267,110,861+0.3%1,229,3905.8
May 29, 20267,089,306-8.4%1,534,2074.6
May 15, 20267,736,011-3.3%2,477,2423.1

Ratios use trailing-twelve-month results and the latest balance sheet. How we calculate.

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