WallStSmart

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

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Monolithic Power Systems Inc generates 94% more annual revenue ($2.79B vs $1.44B). MPWR leads profitability with a 22.3% profit margin vs -1.2%. MPWR earns a higher WallStSmart Score of 56/100 (C).

MPWR

Buy

56

out of 100

Grade: C

Growth: 6.0Profit: 8.5Value: 3.7Quality: 6.8
Piotroski: 1/9Altman Z: 6.86

SONO

Hold

42

out of 100

Grade: D

Growth: 4.7Profit: 4.0Value: 6.7Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for MPWR.

SONOUndervalued (+42.1%)

Margin of Safety

+42.1%

Fair Value

$28.49

Current Price

$14.67

$13.82 discount

UndervaluedFair: $28.49Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

MPWR5 strengths · Avg: 8.8/10
Altman Z-ScoreHealth
6.8610/10

Safe zone — low bankruptcy risk

Market CapQuality
$75.00B9/10

Large-cap with strong market position

Profit MarginProfitability
22.3%9/10

Keeps 22 of every $100 in revenue as profit

Operating MarginProfitability
26.6%8/10

Strong operational efficiency at 26.6%

Revenue GrowthGrowth
20.8%8/10

Revenue surging 20.8% year-over-year

SONO1 strengths · Avg: 10.0/10
EPS GrowthGrowth
87.5%10/10

Earnings expanding 87.5% YoY

Areas to Watch

MPWR4 concerns · Avg: 2.8/10
PEG RatioValuation
2.474/10

Expensive relative to growth rate

Piotroski F-ScoreQuality
1/93/10

Weak financial health signals

P/E RatioValuation
119.0x2/10

Premium valuation, high expectations priced in

Price/BookValuation
21.1x2/10

Trading at 21.1x book value

SONO4 concerns · Avg: 2.0/10
Market CapQuality
$1.77B3/10

Smaller company, higher risk/reward

Return on EquityProfitability
-3.9%2/10

ROE of -3.9% — below average capital efficiency

Revenue GrowthGrowth
-0.9%2/10

Revenue declined 0.9%

Profit MarginProfitability
-1.2%1/10

Currently unprofitable

Comparative Analysis Report

WallStSmart Research

Bull Case : MPWR

The strongest argument for MPWR centers on Altman Z-Score, Market Cap, Profit Margin. Profitability is solid with margins at 22.3% and operating margin at 26.6%. Revenue growth of 20.8% demonstrates continued momentum.

Bull Case : SONO

The strongest argument for SONO centers on EPS Growth.

Bear Case : MPWR

The primary concerns for MPWR are PEG Ratio, Piotroski F-Score, P/E Ratio. A P/E of 119.0x leaves little room for execution misses.

Bear Case : SONO

The primary concerns for SONO are Market Cap, Return on Equity, Revenue Growth.

Key Dynamics to Monitor

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

SONO carries more volatility with a beta of 2.00 — expect wider price swings.

MPWR is growing revenue faster at 20.8% — sustainability is the question.

SONO generates stronger free cash flow (157M), providing more financial flexibility.

Bottom Line

MPWR scores higher overall (56/100 vs 42/100), backed by strong 22.3% margins and 20.8% revenue growth. SONO offers better value entry with a 42.1% margin of safety. 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.

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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