As of July 14, 2026, Aspen Aerogels, Inc. (ASPN) has a DilutionWatch DilutionScore of 26/100, rated MEDIUM dilution risk. Aspen Aerogels, Inc. has a market capitalization of $530.42M, 82.88M shares outstanding, 170 institutional holders tracked. Key dilution vectors include approximately 807 months of cash runway.
Source: DilutionWatch (dilutionwatch.com) — data updated daily from SEC EDGAR filings. Not financial advice.
📊 Score Breakdown
🔄Convertible Debt—
🌦️ Dilution Forecast
🌥️
Advisory
Moderate dilution signals present
20%
🔁 Convertible Conversion
40%
• Significant convertible debt: 17% potential dilution
• Elevated convertible risk (60/100)
💹 Market Data
Market Cap$530.42M
Shares Outstanding82.88M
Float76.72M
Cash$176.37M
Debt$26.82M
Short InterestN/A
🏛 Institutional Holdings
QoQ: ↑ 3.7% shares (2026Q1 vs prior)
170 institutional holders · 77.01M shares
#1
KIM, LLC
12.28M shares
#2
VANGUARD CAPITAL MANAGEMENT LLC
6.87M shares
#3
OAKTOP CAPITAL MANAGEMENT II, L.P.
5.17M shares
📉 Short Interest
Short Interest7.10M
Days to Cover3.8
% of Float9.3%
FINRA data as of Jun 30, 2026
📁 Recent SEC Activity
xbrl
XBRL WARRANT
Jul 07, 2026
xbrl
XBRL CONVERTIBLE
Dec 31, 2014
4
INSIDER TRANSACTION
Mar 10, 2026
4
INSIDER TRANSACTION
Mar 10, 2026
4
INSIDER TRANSACTION
Mar 10, 2026
Full SEC filing analysis available with free account
→
📰 Recent News
No recent news
📋 What This Means for ASPN Shareholders
Aspen Aerogels, Inc. (ASPN) has a DilutionScore of 26/100, rated Medium dilution risk. This tier indicates some dilution exposure — often an older shelf registration with remaining capacity, warrants not yet exercised, or a cash position that will require monitoring over the next several quarters. Score as of July 14, 2026.
DilutionWatch's EDGAR monitoring for ASPN shows no major active dilution programs at this time. The primary risk categories — shelf registration capacity, ATM programs, warrant overhang, and cash runway — are each within normal ranges for a company of this profile. This can change quickly if a new S-3 or Form S-1 is filed.
DilutionWatch tracks over 25 SEC filing types for ASPN in real-time, scanning EDGAR every 60 seconds. The DilutionWatch screener shows real-time score changes for ASPN alongside comparable medium-risk stocks. Not financial advice — this analysis is for informational purposes only.
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