What is ASPN's market cap?

$428.22M, based on the Nov 5 close of $5.16.

Does Aspen Aerogels pay a dividend?

No regular cash dividend has been paid in the last year.

How much of ASPN is sold short?

6.1M shares, 9.5% of float, as of Oct 15, 2026.

What sector is ASPN in?

Consumer Discretionary, in the Wholesale Trade industry.

NYSE · ASPNConsumer DiscretionaryWholesale Trade

Aspen Aerogels, Inc. (ASPN)

$5.16+7.50%

Close Nov 5, 2026 · split-adjusted

Nov 5, 2026$5.16▼ 30.36% in range

Nov 5, 2025Low $2.57 · High $7.41Nov 5, 2026

What changed · written from our data

As of Nov 5, 2026

Aspen Aerogels closed at $5.16 on Nov 5, up 7.50%, 30.4% below its 52-week closing high. Volume of 3.8M shares was 4.31× its 20-day average (well above normal).

Split-adjusted performance: -10.7% over one month, +0.8% over six months, -28.2% over one year.

In the quarter ended Jun 30, 2026, revenue was $49.85M, down 36.1% from a year earlier, with a net margin of -46.7%.

Short interest was 6.1M shares at the Oct 15 settlement (9.5% of float, 7.6 days to cover).

Market cap$428.2M83.0M shares

Revenue · quarter$49.8M−36.1% YoY

Diluted EPS$-0.28—

P/E · TTM—P/S 2.1×

Net margin-46.7%Gross 6.5%

Dividend yieldNone

52-week range2.57 – 7.41−30.4% from high

Volume3.8M4.31× 20-day avg

Volatility · 60d53.6%Annualised

Short % of float9.5%7.6 days to cover

Net cash$49.1MCash $151.7M

Next earnings—Not scheduled

Split-adjusted performance

1W −4.3%1M −10.7%3M −17.4%6M +0.8%YTD +82.3%1Y −28.2%3Y −33.2%5Y −88.8%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Wholesale Trade

Percentile among 87 companies (100 = best)

6-month momentum62

Revenue growth5

Net margin9

Value (low P/E)—

Size34

Industry medians: 6-month return −7.6%, revenue growth +6.9%, net margin 1.7%, P/E 19.7×.

Short interest

Details →

Shares short6.1M+0.7% vs prior

Days to cover7.6Settled Oct 15

% of float9.5%

Short vol. 10d57.0%of daily volume

Closest peers by size in Wholesale Trade

Company	Price	Today	6M	Rev. growth	Net margin	P/E	Mkt cap
ASPNAspen Aerogels	$5.16	+7.50%	+0.8%	−36.1%	−46.7%	—	$428.2M
FSTRFoster (Lb) Co	$39.07	−6.19%	−3.2%	−3.5%	2.2%	36.1	$411.0M	Compare
BXCBlueLinx Holdings	$66.44	−10.81%	+25.5%	+8.5%	−0.1%	—	$522.5M	Compare
WEYSWeyco Group	$63.07	−2.35%	+84.1%	+6.9%	21.4%	17.4	$602.4M	Compare
APCARKO Petroleum	$14.77	+7.50%	—	—	—	—	$702.6M	Compare
CLMBClimb Global Solutions	$39.85	−7.43%	+96.7%	+36.5%	3.6%	31.4	$743.5M	Compare
RELLRichardson Electronics	$16.54	−15.44%	+11.3%	+18.9%	6.3%	28.8	$246.1M	Compare
CAPLCrossAmerica Partners LP Common units representing limited partner interests	$19.71	−2.76%	−7.6%	+22.6%	1.7%	14.3	$752.4M	Compare
ASLEAerSale	$4.82	−3.02%	−34.2%	−33.9%	−7.9%	—	$230.0M	Compare

News about Aspen Aerogels

All news →

AssetBuilt Announces Major U.S. Industrial Asset Sales Featuring Cutrale Florida, Aspen Aerogels Georgia, Jindal Films Oklahoma, Mil-Spec Los Angeles, R3 Lithium and Fortune 500 EV Manufacturing Assets in CaliforniaGlobeNewswire Inc. · Oct 9, 2026Neutral Aspen Aerogels, Inc. Shareholders Are Encouraged to Reach Out to Johnson Fistel for More Information About Potentially Recovering Their LossesGlobeNewswire Inc. · Feb 25, 2026▼ Negative

Quick answers

What does Aspen Aerogels do?: Aspen Aerogels Inc is an aerogel technology company that designs, develops, and manufactures high-performance aerogel insulation used in the energy industrial and sustainable insulation markets. The company also conducts research and development related to aerogel technology, supported by funding from several agencies of the United States of America government and other institutions in the form of research and development contracts.
What is ASPN's market cap?: $428.22M, based on the Nov 5 close of $5.16.
Does Aspen Aerogels pay a dividend?: No regular cash dividend has been paid in the last year.
How much of ASPN is sold short?: 6.1M shares, 9.5% of float, as of Oct 15, 2026.
What sector is ASPN in?: Consumer Discretionary, in the Wholesale Trade industry.

About Aspen Aerogels

Aspen Aerogels Inc is an aerogel technology company that designs, develops, and manufactures high-performance aerogel insulation used in the energy industrial and sustainable insulation markets. The company also conducts research and development related to aerogel technology, supported by funding from several agencies of the United States of America government and other institutions in the form of research and development contracts. It is engaged in two operating segment Energy Industrial and Thermal Barrier. Geographically, it operates in the U.S. and also has a presence in other International countries. It generates the majority of its revenue from the Thermal Barrier segment and the United States market. Some of its products include Pyrogel XTE, Cryogel Z, Spaceloft Subsea, and others.

HQ: Northborough, MA854 employeesListed Jun 13, 2014aerogel.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology