WallStSmart

Monolithic Power Systems Inc (MPWR)vsSonos Inc (SONO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Monolithic Power Systems Inc generates 103% more annual revenue ($2.96B vs $1.46B). MPWR leads profitability with a 23.0% profit margin vs 1.6%. SONO trades at a lower P/E of 90.3x. MPWR earns a higher WallStSmart Score of 68/100 (B-).

MPWR

Strong Buy

68

out of 100

Grade: B-

Growth: 8.7Profit: 8.5Value: 3.7Quality: 7.8
Piotroski: 4/9Altman Z: 5.86

SONO

Hold

45

out of 100

Grade: D+

Growth: 6.0Profit: 4.0Value: 3.0Quality: 7.0
Piotroski: 3/9Altman Z: 2.04
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for MPWR.

SONOSignificantly Overvalued (-34.6%)

Margin of Safety

-34.6%

Fair Value

$12.26

Current Price

$15.08

$2.82 premium

UndervaluedFair: $12.26Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

MPWR6 strengths · Avg: 9.0/10
Operating MarginProfitability
30.0%10/10

Strong operational efficiency at 30.0%

Altman Z-ScoreHealth
5.8610/10

Safe zone — low bankruptcy risk

Market CapQuality
$79.84B9/10

Large-cap with strong market position

Profit MarginProfitability
23.0%9/10

Keeps 23 of every $100 in revenue as profit

Revenue GrowthGrowth
26.1%8/10

Revenue surging 26.1% year-over-year

EPS GrowthGrowth
39.5%8/10

Earnings expanding 39.5% YoY

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

Earnings expanding 87.5% YoY

Debt/EquityHealth
0.159/10

Conservative balance sheet, low leverage

Areas to Watch

MPWR3 concerns · Avg: 3.3/10
PEG RatioValuation
2.034/10

Expensive relative to growth rate

Price/BookValuation
19.8x4/10

Trading at 19.8x book value

P/E RatioValuation
116.3x2/10

Premium valuation, high expectations priced in

SONO4 concerns · Avg: 3.0/10
Market CapQuality
$1.83B3/10

Smaller company, higher risk/reward

Return on EquityProfitability
6.2%3/10

ROE of 6.2% — below average capital efficiency

Profit MarginProfitability
1.6%3/10

1.6% margin — thin

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

Comparative Analysis Report

WallStSmart Research

Bull Case : MPWR

The strongest argument for MPWR centers on Operating Margin, Altman Z-Score, Market Cap. Profitability is solid with margins at 23.0% and operating margin at 30.0%. Revenue growth of 26.1% demonstrates continued momentum.

Bull Case : SONO

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

Bear Case : MPWR

The primary concerns for MPWR are PEG Ratio, Price/Book, P/E Ratio. A P/E of 116.3x leaves little room for execution misses.

Bear Case : SONO

The primary concerns for SONO are Market Cap, Return on Equity, Profit Margin. A P/E of 90.3x leaves little room for execution misses. Thin 1.6% margins leave little buffer for downturns.

Key Dynamics to Monitor

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

SONO carries more volatility with a beta of 1.94 — expect wider price swings.

MPWR is growing revenue faster at 26.1% — sustainability is the question.

MPWR generates stronger free cash flow (179M), providing more financial flexibility.

Bottom Line

MPWR scores higher overall (68/100 vs 45/100), backed by strong 23.0% margins and 26.1% revenue growth. Both earn "Strong 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.

Monolithic Power Systems Inc

TECHNOLOGY · SEMICONDUCTORS · USA

Monolithic Power Systems, Inc. is an American, publicly traded company headquartered in Kirkland, Washington. The company provides power circuits for systems found in cloud computing, telecom infrastructures, automotive, industrial applications and consumer applications.

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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