Allegro MicroSystems, Inc. (ALGM)
NASDAQ: ALGM · Real-Time Price · USD
30.57
+0.47 (1.56%)
At close: Sep 5, 2025, 4:00 PM
30.75
+0.18 (0.59%)
After-hours: Sep 5, 2025, 7:10 PM EDT
Allegro MicroSystems Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 5, 2025 | 30.51 | 30.98 | 30.29 | 30.57 | 30.57 | 1.56% | 1,414,587 |
| Sep 4, 2025 | 29.51 | 30.15 | 28.94 | 30.10 | 30.10 | 0.91% | 1,464,961 |
| Sep 3, 2025 | 30.50 | 30.63 | 29.37 | 29.83 | 29.83 | -2.20% | 1,136,610 |
| Sep 2, 2025 | 30.00 | 30.57 | 29.45 | 30.50 | 30.50 | -1.13% | 1,620,900 |
| Aug 29, 2025 | 31.79 | 31.96 | 30.72 | 30.85 | 30.85 | -3.62% | 1,204,009 |
| Aug 28, 2025 | 31.81 | 33.20 | 31.76 | 32.01 | 32.01 | 1.75% | 2,170,375 |
| Aug 27, 2025 | 31.42 | 31.84 | 31.23 | 31.46 | 31.46 | -0.60% | 1,777,468 |
| Aug 26, 2025 | 31.97 | 32.67 | 31.45 | 31.65 | 31.65 | -0.35% | 1,812,793 |
| Aug 25, 2025 | 32.01 | 32.16 | 31.60 | 31.76 | 31.76 | -1.15% | 842,315 |
| Aug 22, 2025 | 31.22 | 32.93 | 30.94 | 32.13 | 32.13 | 4.05% | 1,366,036 |
| Aug 21, 2025 | 30.10 | 30.92 | 29.98 | 30.88 | 30.88 | 1.31% | 802,760 |
| Aug 20, 2025 | 30.59 | 31.19 | 29.82 | 30.48 | 30.48 | -0.52% | 2,031,204 |
| Aug 19, 2025 | 30.86 | 31.12 | 30.42 | 30.64 | 30.64 | -0.62% | 1,027,977 |
| Aug 18, 2025 | 30.64 | 31.02 | 30.51 | 30.83 | 30.83 | 0.42% | 1,158,087 |
| Aug 15, 2025 | 31.13 | 31.13 | 30.55 | 30.70 | 30.70 | -1.29% | 1,159,770 |
| Aug 14, 2025 | 31.13 | 31.39 | 30.73 | 31.10 | 31.10 | -2.39% | 916,405 |
| Aug 13, 2025 | 32.07 | 32.35 | 31.56 | 31.86 | 31.86 | -0.09% | 1,074,296 |
| Aug 12, 2025 | 30.29 | 32.22 | 30.02 | 31.89 | 31.89 | 6.98% | 1,715,889 |
| Aug 11, 2025 | 30.85 | 30.94 | 29.71 | 29.81 | 29.81 | -3.12% | 1,193,313 |
| Aug 8, 2025 | 30.78 | 31.06 | 30.12 | 30.77 | 30.77 | 0.16% | 1,850,303 |
| Aug 7, 2025 | 31.46 | 31.59 | 30.48 | 30.72 | 30.72 | -0.29% | 1,028,725 |
| Aug 6, 2025 | 30.97 | 31.00 | 30.28 | 30.81 | 30.81 | -1.38% | 1,066,254 |
| Aug 5, 2025 | 31.78 | 31.78 | 30.46 | 31.24 | 31.24 | -0.73% | 1,245,464 |
| Aug 4, 2025 | 31.49 | 31.78 | 31.10 | 31.47 | 31.47 | 0.67% | 1,287,498 |
| Aug 1, 2025 | 31.13 | 31.48 | 30.29 | 31.26 | 31.26 | -0.48% | 2,066,210 |
| Jul 31, 2025 | 32.21 | 32.70 | 30.50 | 31.41 | 31.41 | -7.26% | 3,424,098 |
| Jul 30, 2025 | 34.41 | 34.51 | 33.16 | 33.87 | 33.87 | -0.41% | 2,909,506 |
| Jul 29, 2025 | 34.71 | 35.20 | 33.89 | 34.01 | 34.01 | -1.05% | 1,389,130 |
| Jul 28, 2025 | 34.19 | 34.76 | 33.73 | 34.37 | 34.37 | 1.99% | 1,182,430 |
| Jul 25, 2025 | 32.81 | 33.73 | 32.54 | 33.70 | 33.70 | 2.87% | 1,944,305 |
| Jul 24, 2025 | 33.90 | 34.09 | 32.56 | 32.76 | 32.76 | -3.87% | 3,487,225 |
| Jul 23, 2025 | 35.61 | 35.61 | 33.58 | 34.08 | 34.08 | -5.96% | 3,466,625 |
| Jul 22, 2025 | 36.47 | 37.03 | 35.86 | 36.24 | 36.24 | -1.23% | 2,240,624 |
| Jul 21, 2025 | 37.25 | 37.85 | 36.63 | 36.69 | 36.69 | 0.19% | 1,828,060 |
| Jul 18, 2025 | 36.16 | 36.95 | 35.76 | 36.62 | 36.62 | 2.32% | 1,694,962 |
| Jul 17, 2025 | 35.30 | 36.36 | 35.22 | 35.79 | 35.79 | 0.90% | 2,276,335 |
| Jul 16, 2025 | 36.21 | 36.44 | 35.18 | 35.47 | 35.47 | -2.74% | 3,616,300 |
| Jul 15, 2025 | 37.22 | 37.31 | 36.45 | 36.47 | 36.47 | -0.36% | 1,778,821 |
| Jul 14, 2025 | 36.46 | 37.18 | 35.93 | 36.60 | 36.60 | -0.44% | 1,775,956 |
| Jul 11, 2025 | 37.11 | 37.39 | 36.60 | 36.76 | 36.76 | -2.00% | 2,062,621 |
| Jul 10, 2025 | 37.63 | 38.45 | 37.12 | 37.51 | 37.51 | 1.68% | 3,996,871 |
| Jul 9, 2025 | 36.40 | 36.97 | 36.16 | 36.89 | 36.89 | 1.49% | 3,144,740 |
| Jul 8, 2025 | 35.88 | 36.55 | 35.51 | 36.35 | 36.35 | 2.68% | 2,044,836 |
| Jul 7, 2025 | 35.38 | 35.94 | 35.07 | 35.40 | 35.40 | -1.48% | 1,294,626 |
| Jul 3, 2025 | 35.88 | 36.08 | 35.53 | 35.93 | 35.93 | 0.59% | 683,700 |
| Jul 2, 2025 | 34.40 | 35.95 | 34.27 | 35.72 | 35.72 | 3.84% | 2,655,232 |
| Jul 1, 2025 | 33.77 | 34.85 | 33.63 | 34.40 | 34.40 | 0.61% | 2,416,448 |
| Jun 30, 2025 | 34.22 | 34.25 | 33.08 | 34.19 | 34.19 | 0.03% | 2,351,495 |
| Jun 27, 2025 | 33.69 | 34.25 | 33.54 | 34.18 | 34.18 | 1.51% | 3,502,106 |
| Jun 26, 2025 | 33.20 | 34.30 | 33.06 | 33.67 | 33.67 | 2.23% | 4,235,018 |