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MONOLITHIC POWER SYSTEMS INC MPWR

Nasdaq · stock · Semiconductors & Related Devices · website · IPO 2004-11-19 · LEI

MONOLITHIC POWER SYSTEMS INC statistics & valuation

Market cap$64.5B
P / E103.8×
P / S23.1×
P / B18.3×
P / FCF96.9×
Dividend yield0.44%
Net margin22.3%
Return on equity17.6%
FCF margin23.9%
Return on capital19.1%
Graham number -89.8%$144.84

Market cap as of 2026-06-29. Multiples are price-derived and refreshed daily; everything else from the latest financial reports. The Graham number is Benjamin Graham's rough maximum fair value ($144.84); a green figure means the price is below it.

Profitability & efficiency

Net margin (%)
13.60% 13.80% 18.10% 17.30% 19.50% 20.00% 24.40% 23.50% 72.10% 22.30% 2016201720182019202020212022202320242025
Gross margin (%)
54.30% 54.80% 55.40% 55.20% 55.20% 56.80% 58.40% 56.10% 55.30% 55.20% 2016201720182019202020212022202320242025
Operating margin (%)
14.00% 16.40% 19.50% 16.30% 18.80% 21.70% 29.40% 26.50% 24.40% 26.10% 2016201720182019202020212022202320242025
Return on equity (%)
12.20% 12.50% 16.40% 14.10% 17.00% 19.50% 26.20% 20.80% 53.90% 17.60% 2016201720182019202020212022202320242025
Shares outstanding
41.9M 43.6M 44.6M 45.8M 47.0M 47.9M 48.4M 48.8M 48.8M 48.7M 2016201720182019202020212022202320242025
Net debt ($)
2016201720182019202020212022202320242025
Share buybacks ($)
2016201720182019202020212022202320242025
Return on assets (%)
10.30% 10.00% 13.30% 11.40% 13.60% 15.30% 21.30% 17.60% 45.30% 14.80% 2016201720182019202020212022202320242025
Free cash flow margin (%)
18.20% 14.50% 20.40% 19.20% 25.10% 18.70% 10.50% 31.90% 29.10% 23.90% 2016201720182019202020212022202320242025
Debt / equity (×)
2016201720182019202020212022202320242025
EPS ($)
$1.26 $1.50 $2.36 $2.38 $3.50 $5.05 $9.05 $8.76 $32.60 $12.86 2016201720182019202020212022202320242025

Margins and returns computed from annual filings. Falling shares outstanding = buybacks; rising = dilution. Net debt = debt − cash (negative = net cash).

P / E vs its own history

MONOLITHIC POWER SYSTEMS INC trades at about 110.8× earnings — above its 10-year norm (10-year range 19.6×–101.5×, median 71.9×).

19.6× 110.8×

Shaded band = 10-year range (19.6×–101.5×); dot = today's 110.8×.

Historical P/E = month-end price near each fiscal year-end ÷ that year's EPS. A read on whether the stock is cheap or dear relative to how it has typically been valued — not a forecast.

Key ratios (by fiscal year)

RatioFY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Gross margin55.2%55.3%56.1%58.4%56.8%55.2%55.2%55.4%54.8%54.3%
Operating margin26.1%24.4%26.5%29.4%21.7%18.8%16.3%19.5%16.4%14.0%
Net margin22.3%72.1%23.5%24.4%20.0%19.5%17.3%18.1%13.8%13.6%
FCF margin23.9%29.1%31.9%10.5%18.7%25.1%19.2%20.4%14.5%18.2%
Return on assets14.8%45.3%17.6%21.3%15.3%13.6%11.4%13.3%10.0%10.3%
Return on equity17.6%53.9%20.8%26.2%19.5%17.0%14.1%16.4%12.5%12.2%
Current ratio5.915.317.745.364.965.736.677.226.817.24

Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.