WallStSmart

Littelfuse Inc (LFUS)vsSonos Inc (SONO)

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Smart Verdict

WallStSmart Research — data-driven comparison

Littelfuse Inc generates 75% more annual revenue ($2.61B vs $1.49B). SONO leads profitability with a 3.8% profit margin vs -0.3%. SONO trades at a lower P/E of 38.8x. LFUS earns a higher WallStSmart Score of 57/100 (C).

LFUS

Buy

57

out of 100

Grade: C

Growth: 6.7Profit: 4.5Value: 2.7Quality: 8.0
Piotroski: 5/9Altman Z: 2.45

SONO

Hold

47

out of 100

Grade: D+

Growth: 6.0Profit: 4.5Value: 3.7Quality: 7.0
Piotroski: 3/9Altman Z: 2.04
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

LFUSSignificantly Overvalued (-46.9%)

Margin of Safety

-46.9%

Fair Value

$243.71

Current Price

$355.72

$112.01 premium

UndervaluedFair: $243.71Overvalued
SONOSignificantly Overvalued (-32.2%)

Margin of Safety

-32.2%

Fair Value

$12.48

Current Price

$16.41

$3.93 premium

UndervaluedFair: $12.48Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

LFUS3 strengths · Avg: 9.0/10
EPS GrowthGrowth
51.7%10/10

Earnings expanding 51.7% YoY

Debt/EquityHealth
0.269/10

Conservative balance sheet, low leverage

Revenue GrowthGrowth
20.4%8/10

Revenue surging 20.4% year-over-year

SONO2 strengths · Avg: 9.5/10
EPS GrowthGrowth
87.5%10/10

Earnings expanding 87.5% YoY

Debt/EquityHealth
0.129/10

Conservative balance sheet, low leverage

Areas to Watch

LFUS4 concerns · Avg: 2.3/10
PEG RatioValuation
1.794/10

Expensive relative to growth rate

P/E RatioValuation
328.5x2/10

Premium valuation, high expectations priced in

Return on EquityProfitability
-0.3%2/10

ROE of -0.3% — below average capital efficiency

Profit MarginProfitability
-0.3%1/10

Currently unprofitable

SONO4 concerns · Avg: 3.3/10
P/E RatioValuation
38.8x4/10

Premium valuation, high expectations priced in

Return on EquityProfitability
6.2%3/10

ROE of 6.2% — below average capital efficiency

Profit MarginProfitability
3.8%3/10

3.8% margin — thin

Operating MarginProfitability
4.4%3/10

Operating margin of 4.4%

Comparative Analysis Report

WallStSmart Research

Bull Case : LFUS

The strongest argument for LFUS centers on EPS Growth, Debt/Equity, Revenue Growth. Revenue growth of 20.4% demonstrates continued momentum.

Bull Case : SONO

The strongest argument for SONO centers on EPS Growth, Debt/Equity.

Bear Case : LFUS

The primary concerns for LFUS are PEG Ratio, P/E Ratio, Return on Equity. A P/E of 328.5x leaves little room for execution misses.

Bear Case : SONO

The primary concerns for SONO are P/E Ratio, Return on Equity, Profit Margin. Thin 3.8% margins leave little buffer for downturns.

Key Dynamics to Monitor

LFUS profiles as a growth stock while SONO is a value play — different risk/reward profiles.

SONO carries more volatility with a beta of 1.88 — expect wider price swings.

LFUS is growing revenue faster at 20.4% — sustainability is the question.

LFUS generates stronger free cash flow (216M), providing more financial flexibility.

Bottom Line

LFUS scores higher overall (57/100 vs 47/100) and 20.4% revenue growth. Both earn "Buy" and "Hold" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Littelfuse Inc

TECHNOLOGY · ELECTRONIC COMPONENTS · USA

Littelfuse, Inc. manufactures and sells circuit protection, power control, and sensing products in Asia-Pacific, the Americas, and Europe. The company is headquartered in Chicago, Illinois.

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Sonos Inc

TECHNOLOGY · CONSUMER ELECTRONICS · USA

Sonos, Inc. designs, develops, manufactures, and sells multi-room audio products in the Americas, Europe, the Middle East, Africa, and Asia Pacific. The company is headquartered in Santa Barbara, California.

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