FairValueLabs Valuation System Value-Speculation
MPWR

Monolithic Power Systems, Inc. (MPWR) Stock Analysis — Fair Value, Risk & Moat Rating

NMS · Technology · Semiconductors

$1,527.95 Overvalued 37.09 (2.5%) As of Apr 22, 2026 Not a buy/sell recommendation. See disclaimer.
Overall Verdict Caution
70.58
Altman Z-ScoreSafe Zone
$653.60
Fair ValueOvervalued (-133.8%)
3.1
Moat RatingNarrow moat
TL;DR · Audit Summary

Is Monolithic Power Systems, Inc. a safe investment right now?

Trading at $1,527.95, Monolithic Power Systems, Inc. (MPWR) in the Technology sector carries a FairValueLabs fair value estimate of $653.60 — a margin of safety of -133.8%, placing it in the Overvalued. An Altman Z-Score of 70.58 confirms the company is in the safe zone — financial distress is unlikely near-term. Our moat rating stands at 3.1/5 stars (Narrow moat), indicating moderate competitive positioning. On the income side, MPWR currently pays a dividend with a safety grade of .

Section 01 · Financial Health

Could Monolithic Power Systems, Inc. go bankrupt? Altman Z-Score analysis

70.58

Z-Score of 70.58 is above 3.0, indicating the company is financially healthy by this metric.

  • Below 1.8 — Distress Zone (high bankruptcy risk)
  • 1.8 to 3.0 — Gray Zone (elevated uncertainty)
  • Above 3.0 — Safe Zone (financially healthy)

What drives MPWR's Z-Score?

Altman Z-Score components for MPWR
ComponentFormulaValueWeightContribution
A · Working Capital / Total AssetsWC / TA0.43261.20.52
B · Retained Earnings / Total AssetsRE / TA0.62221.40.87
C · EBIT / Total AssetsEBIT / TA0.17373.30.57
D · Market Cap / Total LiabilitiesMCap / TL113.24830.667.95
E · Revenue / Total AssetsRev / TA0.66531.00.67

How has MPWR's financial health changed over time?

3.0 Safe1.8 Distress0.034.568.9103.4137.92022202320242025
MPWR Z-Score history
YearZ-ScoreZone
2022118.25Safe
2023119.87Safe
202482.22Safe
202570.58Safe

Source: Calculated from MPWR's latest 10-K filing on SEC EDGAR.

Section 02 · Fair Value Estimate

What is Monolithic Power Systems, Inc. actually worth?

FVL Fair Value$653.60
vs
Market Price$1,527.95
Overvalued -133.8% Stock trades 133.8% above our estimated fair value of $653.60.

How we calculated this

FVL Valuation Model
InputValueSource
Predicted EPS (α)$16.34Proprietary blend of reported actuals + analyst consensus, weighted by α
Last Year EPS$12.86Annual report (SEC EDGAR)
Analyst Consensus EPS (This Year)$21.5714 analysts consensus
Trailing P/E119.1xCurrent market pricing
Fair P/E (β discount)40.0xTrailing PE adjusted by value discount factor β, hard-capped
Earnings Trend (γ)AcceleratingDirectional signal: predicted vs trailing EPS

Wall Street Reference: Analyst consensus target price is $1,389.00 (14 analysts). This is shown for reference only and is not used in our valuation model.

Source: Earnings data from SEC EDGAR filings. Market data via Yahoo Finance.

Section 03 · Competitive Moat

Does Monolithic Power Systems, Inc. have a durable competitive advantage?

★★★☆☆
Narrow moat

Moat rating: 3.1/5.

What makes up MPWR's moat score?

ROIC Stability

★★★★☆

ROIC variability over the past decade. Score: 4/5.

Gross Margin Trend

★★☆☆☆

Gross margin trajectory over the past decade. Score: 2/5.

Switching Costs

★★★☆☆

Estimated customer lock-in based on margin level. Score: 3/5.

How stable is MPWR's return on invested capital?

0%-5%5%16%26%37%2022202320242025
MPWR ROIC history
YearROICTrend
202231.6%
202323.5%Declining
202418.3%Declining
202520.6%Rising

Source: ROIC calculated from SEC EDGAR filings.

Section 04 · Dividend Safety

Is Monolithic Power Systems, Inc.'s dividend safe?

A Dividend Safety Grade
Yield52.0%
Payout Ratio48.5%
Consecutive Years14
5Y Growth Rate-3.6%

Can Monolithic Power Systems, Inc. afford its dividend?

Payout ratio is 48.5%. FCF covers the dividend 1.4x. 14 consecutive years of payments.

Section 05 · Financial Summary

Monolithic Power Systems, Inc.'s key financial metrics

MPWR financial summary
MetricLatest1Y Ago3Y AgoTrend
Revenue $2.8B $2.2B $1.8B Rising
Net Income $0.6B $1.6B $0.4B Rising
Free Cash Flow $0.7B $0.6B $0.2B Rising
Gross Margin 55.2% 55.3% 58.4% Declining
Section 06 · FAQ

Common questions about Monolithic Power Systems, Inc.

Is Monolithic Power Systems, Inc. at risk of going bankrupt?

Monolithic Power Systems, Inc.'s Altman Z-Score of 70.58 places it in the safe zone. This metric uses balance sheet ratios to predict bankruptcy probability within 2 years. A score below 1.8 signals distress, while above 3.0 indicates safety.

What is Monolithic Power Systems, Inc.'s estimated fair value?

Our valuation model estimates Monolithic Power Systems, Inc.'s fair value at $653.60 per share. The current margin of safety is -133.8%. This estimate uses a PE-based approach with analyst consensus earnings.

Does Monolithic Power Systems, Inc. have a competitive moat?

Monolithic Power Systems, Inc. receives a moat rating of 3.1 out of 5 stars, based on ROIC stability, gross margin trends, and estimated switching costs. A rating above 3.5 suggests a durable competitive advantage.

Is Monolithic Power Systems, Inc.'s dividend safe?

Our dividend safety analysis examines payout ratio, free cash flow coverage, and the company's streak of consecutive dividend payments to determine whether the current payout is sustainable.

FairValueLabs Disclaimer

All valuations, scores, ratings, and classifications on this page are produced by the FairValueLabs internal valuation system. They do not represent actual market value, guaranteed outcomes, or professional investment advice. These are analytical estimates for educational and research purposes only.

This is not financial advice. All data is sourced from SEC EDGAR public filings. Always consult a qualified financial advisor before making investment decisions.

Last updated: Apr 22, 2026. Data sources: SEC EDGAR (financial statements), Yahoo Finance (market data, analyst consensus). Data may not reflect the most recent quarter.

MPWR analysis methodology: How we calculate fair value, Z-Scores, and moat ratings