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How Allegro Microsystems (ALGM) makes money

Allegro Microsystems (ALGM) made $277M of revenue in the second quarter fiscal 2027 (Q2 FY27), +29% from a year earlier. Magnetic Sensors brought in $158M (57%); Power Integrated Circuits brought in $119M (43%). Of every dollar of revenue, 49¢ was left as gross profit, 13¢ was left as operating profit, 8¢ was left as net earnings.

Drawing the Sankey…

Allegro Microsystems revenue by segment, Q2 FY27Allegro Microsystems revenue by segment, Q2 FY27Magnetic Sensors$158MPower Integrated Circuits$119M
Allegro Microsystems: revenue by line, Q1 FY26 to Q2 FY27Allegro Microsystems: revenue by line, Q1 FY26 to Q2 FY27Magnetic SensorsPower Integrated Circ…Magnetic Sensors: $158M latest$158MPower Integrated Circuits: $119M latest$119MQ1 FY26Q2 FY26Q3 FY26Q4 FY26Q1 FY27Q2 FY27
Power Integrated Circuits went from 36% of revenue in Q1 FY26 to 43% in Q2 FY27, the largest shift in the mix.
Allegro Microsystems revenue by quarterAllegro Microsystems revenue by quarter$193MQ4 FY25$203MQ1 FY26$214MQ2 FY26$229MQ3 FY26$243MQ4 FY26$259MQ1 FY27$277MQ2 FY27
Allegro Microsystems: where each dollar of revenue goesAllegro Microsystems: where each dollar of revenue goesCost of revenue51¢Gross profit49¢Operating expenses36¢Operating profit13¢Income tax2¢Net earnings8¢Operating cash flow13¢Free cash flow11¢

Revenue by segment, Q2 FY27

SegmentRevenueShareQ/QY/Y
Magnetic Sensors$158M57.1%+5%+21%
Power Integrated Circuits$119M42.9%+9%+42%

Where each dollar of revenue goes

LineQ2 FY27% of revenue
Revenue$277M100.0%
Cost of revenue$141M50.8%
Gross profit$136M49.2%
Operating expenses$101M36.4%
Operating profit$35.4M12.8%
Income tax$4.5M1.6%
Net earnings$23.3M8.4%
Operating cash flow$36.8M13.3%
Free cash flow$30.5M11.0%

Revenue, quarter by quarter

QuarterRevenueY/Y
Q2 FY27$277M+29%
Q1 FY27$259M+28%
Q4 FY26$243M+26%
Q3 FY26$229M+29%
Q2 FY26$214M+14%
Q1 FY26$203M+22%
Q4 FY25$193M-20%

From Allegro Microsystems' 10-Q filed Oct 30, 2026 (on EDGAR).

Questions

How does Allegro Microsystems make money?

Allegro Microsystems (ALGM) made $277M of revenue in the second quarter fiscal 2027 (Q2 FY27), +29% from a year earlier. Magnetic Sensors brought in $158M (57%); Power Integrated Circuits brought in $119M (43%). Of every dollar of revenue, 49¢ was left as gross profit, 13¢ was left as operating profit, 8¢ was left as net earnings.

What is Allegro Microsystems' biggest business?

Magnetic Sensors: $158M in the second quarter fiscal 2027, 57% of revenue, +21% from a year earlier.

What is Allegro Microsystems' profit margin?

Net earnings were $23.3M, 8.4% of revenue, in the second quarter fiscal 2027; the operating margin was 12.8%.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.