MPWRMonolithic Power Systems

$1,303.88

Is the business good?

How good a business is MPWR?

Monolithic Power Systems earns 30% on the capital it employs against a 9.0% cost of capital, so the business is worth more the bigger it gets.

30%

Return on invested capital · cost of capital 9.0% · 21 points above what the capital costs: growth creates value

Operating margin
29%

Operating margin · Semiconductors median 8.5% · 12 months to Q2 2026

Cash conversion
0.73×

Cash conversion · 0.42× a year ago · some of the reported profit has not turned into cash yet

Share count, year on year
+2.6%

Share count, year on year · shareholders own a smaller slice than a year ago

Operating margin by fiscal year
YearOperating margin
FY202019%
FY202122%
FY202229%
FY202326%
FY202424%
FY202526%
Details
Gross margin12 months to Q2 2026
55%
Operating margin12 months to Q2 2026
29%
Net margin12 months to Q2 2026
25%
Free cash flow margin
18%
R&D as % of revenue
13%
Revenue, trailing twelve months
$3.27B
Free cash flow, trailing twelve months
$586M
Net income, trailing twelve months
$802M
Return on invested capitaloperating profit after tax ÷ debt + equity − cash
30%

Margins, capital and share counts from the statements as filed with the SEC; cash conversion from the cash flow statement.