Aspen Aerogels Inc (ASPN)vsLennox International Inc (LII)
ASPN
Aspen Aerogels Inc
$5.64
-9.47%
INDUSTRIALS · Cap: $488.98M
LII
Lennox International Inc
$508.43
-1.86%
INDUSTRIALS · Cap: $17.82B
Smart Verdict
WallStSmart Research — data-driven comparison
Lennox International Inc generates 2183% more annual revenue ($5.26B vs $230.26M). LII leads profitability with a 15.1% profit margin vs -48.6%. LII earns a higher WallStSmart Score of 58/100 (C).
ASPN
Avoid28
out of 100
Grade: F
LII
Buy58
out of 100
Grade: C
Key Strengths & Concerns
Side-by-side fundamental analysis
Key Strengths
Safe zone — low bankruptcy risk
Reasonable price relative to book value
Every $100 of equity generates 65 in profit
Safe zone — low bankruptcy risk
Areas to Watch
0.0% earnings growth
Smaller company, higher risk/reward
ROE of -52.5% — below average capital efficiency
Revenue declined 51.9%
Trading at 14.6x book value
Elevated debt levels
Weak financial health signals
Earnings declined 7.7%
Comparative Analysis Report
WallStSmart ResearchBull Case : ASPN
The strongest argument for ASPN centers on Altman Z-Score, Price/Book.
Bull Case : LII
The strongest argument for LII centers on Return on Equity, Altman Z-Score. Profitability is solid with margins at 15.1% and operating margin at 14.3%. PEG of 1.48 suggests the stock is reasonably priced for its growth.
Bear Case : ASPN
The primary concerns for ASPN are EPS Growth, Market Cap, Return on Equity.
Bear Case : LII
The primary concerns for LII are Price/Book, Debt/Equity, Piotroski F-Score. Debt-to-equity of 1.61 is elevated, increasing financial risk.
Key Dynamics to Monitor
ASPN profiles as a turnaround stock while LII is a mature play — different risk/reward profiles.
ASPN carries more volatility with a beta of 2.83 — expect wider price swings.
LII is growing revenue faster at 5.8% — sustainability is the question.
ASPN generates stronger free cash flow (33M), providing more financial flexibility.
Bottom Line
LII scores higher overall (58/100 vs 28/100), backed by strong 15.1% margins. Both earn "Buy" and "Avoid" ratings respectively — the choice depends on your investment horizon and risk tolerance.
This analysis is generated from publicly available financial data. Not financial advice.
Aspen Aerogels Inc
INDUSTRIALS · BUILDING PRODUCTS & EQUIPMENT · USA
Aspen Aerogels, Inc. designs, develops, manufactures, and sells airgel insulation products primarily for use in the energy infrastructure and building materials markets in the United States, Asia, Canada, Europe, and Latin America. The company is headquartered in Northborough, Massachusetts.
Lennox International Inc
INDUSTRIALS · BUILDING PRODUCTS & EQUIPMENT · USA
Lennox International Inc. designs, manufactures and markets a range of products for the heating, ventilation, air conditioning and refrigeration markets in the United States, Canada and internationally. The company is headquartered in Richardson, Texas.
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