ALGM
Allegro MicroSystems, Inc. Common Stock
stockNASDAQ
At CloseNov 13, 2026 3:59:59 PM EST
30.12USD-5.014%(-1.59)1,302,410
Pre-marketNov 13, 2026 9:29:30 AM EST
31.80USD+0.284%(+0.09)
After-hoursNov 13, 2026 4:37:30 PM EST
29.69USD-1.428%(-0.43)
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5.62B
Technology
Semiconductors
HQ
Manchester, NH, USA
4,687
Previous Close
$31.71
Beta
3.09
52-Week High
$71.77 2026-06-30
52-Week Low
$22.41 2025-11-21
SMA 50
$34.09
SMA 200
$40.73
Avg. Vol 10D
3.33M
Avg. Vol 30D
3.44M
Avg. Vol 90D
2.66M
Relative Vol
0.38
186.48M
125.12M
67.09%
10,588,065
8.47%
2.75
54%/46%
22.91%
20.24%
0.3900%
550,000
13,091
45,922
165,575
1.0B
30.9M
104.4M
Nov 14, 2026
Allegro: 3 Key Takeaways for Long-Term Investors · 
The Motley Fool
Nov 13, 2026
Nov 11, 2026
Nov 10, 2026
ALGM Profile
allegro microsystems, llc is a leader in developing, manufacturing and marketing high-performance semiconductors. allegro's innovative solutions serve high-growth applications within the automotive market, with additional focus on office automation, industrial, and consumer/communications solutions. allegro is headquartered in worcester, massachusetts (usa) with design, applications, and sales support centers located worldwide.
ALGM Performance
| Period | Price | Date | Change | Beta |
|---|---|---|---|---|
| 1W | 28.17 | 2026-11-06 | +6.92% | 3.826 |
| 1M | 33.65 | 2026-10-13 | -10.49% | 3.197 |
| 3M | 44.13 | 2026-08-13 | -31.75% | 3.087 |
| 6M | 45.97 | 2026-05-13 | -34.48% | 3.497 |
| 1Y | 25.29 | 2025-11-13 | +19.12% | 3.089 |
| 2Y | 20.03 | 2024-11-13 | +50.37% | — |
| 5Y | 32.97 | 2021-11-12 | -8.64% | 1.888 |
ALGM Stock Summary
Allegro MicroSystems, Inc. Common Stock (NASDAQ:ALGM) stock price today is $30.12, and today's volume is 1,302,410. ALGM is down 5.014% today. The 30 day average volume is 3.44M. ALGM market cap is $5.62B with 186.48M shares outstanding.