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Monolithic Power Systems (MPWR) Stock Fundamentals, Analysis & Risk Signals

Health score, price, valuation, risk signals, and key metrics at a glance.

Monolithic Power Systems
NasdaqGS•Technology•Semiconductors
$1,202.28+32.70(0.03%)Market open
Market Cap
$59.84B
P/E
74.4x
P/S
18.3x
P/B
15.4x

Monolithic Power Systems, Inc. provides semiconductor-based power electronics solutions in China, Taiwan, South Korea, Southeast Asia, Europe, the United States, Japan, and internationally. The company offers direct current (DC) to DC solutions to convert and control voltages within a range of electronic systems, such as cloud-based and on-premises CPU servers and workstations, AI systems, memory, storage solutions, notebooks, infotainment, power sources, home appliances, network infrastructure, and satellite communications. It also provides alternating current (AC) to DC; driver metal-oxide-semiconductor field-effect transistors; power management integrated circuits (ICs); and current limit switch and lighting control products. The company serves storage and computing, enterprise data, automotive, communications, consumer, and industrial end markets through third-party distributors and value-added resellers. Monolithic Power Systems, Inc. was incorporated in 1997 and is based in West Palm Beach, Florida.

B

How this company scores

GoodMetricSide Score: 66/100

Strongest: Profitability (19/25); weakest: Balance Sheet & Red Flags (15/25).

Profitability19/25
Growth16/25
Balance Sheet & Red Flags15/25
Cash & Earnings Quality16/25
Strengths
Growing revenueStrong marginsHigh ROEInterest easily covered

Valuation vs. 5-year range

Today's multiple positioned against its own trailing range — a visual premium/discount check.

P/E · 74.4x5y range 15.2x – 105.0x
P/E 74.4x · above its 20-quarter median

Currently above its 20-quarter median.

P/S · 18.3x5y range 9.3x – 20.2x
P/S 18.3x · near its 20-quarter median

Currently near its 20-quarter median.

P/B · 15.4x5y range 8.5x – 19.2x
P/B 15.4x · near its 20-quarter median

Currently near its 20-quarter median.

Watch items

Data-driven signals worth keeping an eye on across the last 8 quarters

Some Concerns

Earnings Quality

Watch

FCF/Net Income has dropped below 0.7x in 3 quarters — monitor for earnings quality deterioration.

Price & Volume
Market Cap $59.84B

Metrics at a Glance

as of June 2026

Revenue & Profit

Revenue, EBITDA, operating income, net income, EPS, and shares

TTM Revenue
$3.27B
6Q
Q. Revenue
$980.64M
7Q
TTM EBITDA
$1.03B
6Q
TTM Op. Income
$940.16M
6Q
Q. Op. Income
$303.89M
4Q
TTM Net Income
$804.49M
2Q
Q. Net Income
$257.30M
2Q
EPS
$5.24
2Q
Shares Out.
$49.14M
5Q
$3.27B in TTM revenue grew 28.7% YoY, reaching $980.64M last quarter. TTM EBITDA of $1.03B and TTM operating income of $940.16M show growth is flowing through to the bottom line. TTM net income of $804.49M means revenue is converting into profit. Across the last 8 quarters, TTM revenue has risen for 6 consecutive quarters — an improving trend.

Margins

Gross, EBITDA, operating, and net margin trends

Gross Margin
55.2%
0%
EBITDA Margin
32.7%
22%
Op. Margin
31.0%
4Q
Net Margin
26.2%
2Q
Op. margin of 31.0% is up 6.2% YoY — cost efficiency is improving. Net margin at 26.2% and gross margin of 55.2% show how much of each revenue dollar survives to profit. Across the last 8 quarters, operating margin has risen for 4 consecutive quarters — an improving trend.

Price Ratios

P/E, P/S, P/B, EV/EBITDA, FCF yield, and earnings yield

P/E Ratio
74.4x
5Q
P/S Ratio
18.3x
5Q
P/B Ratio
15.4x
5Q
At 74.4x P/E, the stock trades above typical market levels — the market expects above-average growth. P/S of 18.3x and P/B of 15.4x provide additional context. Use the growth and margin sections to judge whether the multiple is justified. Across the last 8 quarters, P/E has risen for 5 consecutive quarters — a weakening trend.

Assets & Liabilities

Total assets, cash, debt, book value, and leverage

Total Assets
$4.69B
2Q
Cash
$1.01B
2Q
Long-Term Debt
N/A
Book Value
$3.90B
2Q
D/E Ratio
N/A
Debt/EBITDA
0.0

Cash Flow

Operating cash flow, free cash flow, FCF margin, and earnings quality

Op. Cash Flow
$227.91M
4%
TTM Free Cash Flow
$585.54M
4Q
FCF Margin
17.9%
4Q
FCF / Net Income
0.7
2Q
TTM FCF of $585.54M on $227.91M in operating cash flow. The FCF / Net Income ratio of 0.7x means free cash flow covers net income — earnings are backed by cash. Across the last 8 quarters, free cash flow has fallen for 4 consecutive quarters — a weakening trend.

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