Allegro Microsystems, Inc. revenue by segment ALGM

Allegro Microsystems, Inc. splits its revenue into 2 lines in its filings. The largest line in Q2 of fiscal 2027, the quarter ended Sep 25, 2026 was Magnetic Sensors at $158.0 million, 57% of the total.

USD in millions. The percent under a figure is the change from the same quarter a year earlier.

Line
TTM
Sep 25, 2026
Q2 FY2027
Sep 25, 2026
Q1 FY2027
Jun 26, 2026
Q4 FY2026
Mar 27, 2026
Q3 FY2026
Dec 26, 2025
Q2 FY2025
Sep 26, 2025
Q1 FY2025
Jun 27, 2025
Q4 FY2025
Mar 28, 2025
Q3 FY2025
Dec 27, 2024
Revenue
—
277
259
243
229
214
203
193
178
Magnetic Sensors
—
158
share 57.1%
150
share 57.8%
141
+20.5%
share 57.9%
138
+21.0%
share 60.1%
131
share 61.0%
129
share 63.5%
117
share 60.6%
114
share 64.0%
Power Integrated Circuits
—
119
share 42.9%
109
share 42.2%
102
+34.8%
share 42.1%
91
+42.8%
share 39.9%
84
share 39.0%
74
share 36.5%
76
share 39.4%
64
share 36.0%
How these figures are calculated

Quarterly columns are single-quarter amounts. When a 10-Q reports only a year-to-date total, as cash flow statements do, the quarter is that total minus the previous quarter's year-to-date total. The fourth quarter is the annual report's full year minus the first nine months. A column marked YTD is a year-to-date total, shown when the earlier report needed for the single quarter is missing. USD in millions. Each group is a separate split of total revenue, so the groups are not added together. Share of revenue is that line divided by total revenue. The first column adds the latest year-to-date segment amount to the last fiscal year and subtracts the year-ago year-to-date amount. More on our methodology.

Company profile

Industry
Semiconductors & Related Devices (SIC 3674)
Listed as
ALGM (Nasdaq)
Fiscal year ends
March 31
Headquarters
Manchester, NH
SEC filer status
Large accelerated filer
SEC CIK
866291
Former names
ALLEGRO MICROSYSTEMS, INC. (until Nov 5, 2026); ALLEGRO MICROSYSTEMS INC (until Oct 21, 2020)

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.