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Next earnings report: 29 October 2026 · Earnings calendar
The series is stated in the current share scale after splits; dividends are not included in the price
Allegro MicroSystems, Inc. trades on Nasdaq under the ticker ALGM. The company belongs to the Technology sector. The trading history on this page starts on 29 October 2020.
Over the past 52 weeks ALGM has traded between 22.41 $ and 71.77 $. As of 09 October 2026 the price stood 28.08 % of the way from the 52-week low to the high.
Over one year ALGM shares rose 31.89 %; over six months they fell 2.03 %. Volatility over 90 days is 80.35 %. Dividends are not included: this is price change only, as of 09 October 2026.
The company reported a loss for the latest fiscal year, so a price-to-earnings ratio is not calculated. Price to sales is 8.0, above the sector median of 3.6. Price to book is 7.0, above the sector median of 3.9. Calculated from reports for the period ending 31 March 2026.
| Date | Open | High | Low | Close | Volume, shares |
|---|---|---|---|---|---|
| 08 October 2026 | 36.56 | 37.01 | 34.95 | 36.27 | 3M |
| 07 October 2026 | 37.70 | 37.95 | 36.79 | 37.03 | 2M |
| 06 October 2026 | 38.90 | 39.29 | 37.98 | 38.76 | 3M |
| 05 October 2026 | 39.44 | 39.71 |
Based on the fiscal year ended 31 March 2026
The sector median covers every company in the sector on the US market, loss-making ones included.
Allegro MicroSystems, Inc. (ALGM) is a public company in the technology sector. Its common stock trade on NASDAQ.
Over the trailing twelve months as reported to 2026-03-31, revenue was 839.7m $, net income was -14.9m $.
This summary is compiled automatically from SEC filings and exchange data.
Address:955 PERIMETER ROAD, MANCHESTER, NH, 03103, US
Allegro MicroSystems, Inc. reported revenue of 840M $ and a net loss of 15M $ for the latest fiscal year. Net margin is −1.77 %. Revenue changed by +6.68 % year over year. Earnings per share are −0.08 $. Market capitalisation is 6.7B $.
ALGM has a return on equity of −1.56 %, below the sector median of 1.63 %. Return on assets is −1.05 %, below the sector median of 0.49 %. Operating margin is 2.20 %, above the sector median of 1.10 %.
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| 37.85 |
| 38.46 |
| 3M |
| 02 October 2026 | 38.15 | 40.03 | 38.15 | 39.53 | 6M |
| 01 October 2026 | 36.35 | 36.86 | 35.68 | 36.38 | 3M |
| 30 September 2026 | 36.64 | 37.05 | 36.15 | 36.35 | 2M |
| 29 September 2026 | 37.86 | 38.00 | 36.21 | 36.60 | 2M |
| 28 September 2026 | 36.74 | 37.45 | 35.74 | 36.94 | 3M |
| 25 September 2026 | 35.28 | 36.89 | 35.13 | 36.76 | 3M |
| 24 September 2026 | 34.32 | 35.20 | 33.95 | 35.13 | 2M |
| 23 September 2026 | 35.48 | 35.95 | 34.85 | 35.11 | 3M |
| 22 September 2026 | 35.43 | 36.38 | 35.13 | 35.51 | 5M |
| 21 September 2026 | 35.01 | 35.89 | 33.85 | 35.50 | 3M |
| 18 September 2026 | 33.57 | 34.18 | 33.32 | 34.10 | 3M |
| 17 September 2026 | 34.44 | 34.53 | 33.00 | 33.11 | 2M |
| 16 September 2026 | 34.12 | 34.35 | 32.67 | 33.02 | 2M |
| 15 September 2026 | 34.42 | 34.49 | 32.78 | 33.26 | 2M |
| 14 September 2026 | 34.03 | 35.14 | 33.60 | 33.85 | 2M |
| 11 September 2026 | 35.86 | 36.80 | 35.56 | 36.31 | 2M |