Allegro MicroSystems, Inc. (ALGM)
NASDAQ: ALGM · Real-Time Price · USD
41.12
-2.35 (-5.41%)
At close: Apr 28, 2026, 4:00 PM EDT
42.00
+0.88 (2.14%)
After-hours: Apr 28, 2026, 5:02 PM EDT
Allegro MicroSystems Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 41.77 | 42.97 | 40.97 | 41.21 | - | -5.20% | 2,000,864 |
| Apr 27, 2026 | 44.13 | 44.50 | 42.28 | 43.47 | 43.47 | -1.50% | 1,794,276 |
| Apr 24, 2026 | 45.06 | 45.09 | 43.65 | 44.13 | 44.13 | 1.19% | 1,945,062 |
| Apr 23, 2026 | 44.07 | 45.39 | 43.04 | 43.61 | 43.61 | 3.17% | 2,842,852 |
| Apr 22, 2026 | 42.29 | 42.60 | 40.94 | 42.27 | 42.27 | 2.40% | 1,742,926 |
| Apr 21, 2026 | 40.85 | 42.02 | 40.84 | 41.28 | 41.28 | 1.55% | 1,712,685 |
| Apr 20, 2026 | 40.05 | 40.69 | 39.75 | 40.65 | 40.65 | 1.62% | 1,690,977 |
| Apr 17, 2026 | 39.02 | 40.61 | 38.90 | 40.00 | 40.00 | 4.66% | 1,568,835 |
| Apr 16, 2026 | 37.44 | 38.33 | 37.20 | 38.22 | 38.22 | 2.60% | 1,554,038 |
| Apr 15, 2026 | 38.38 | 38.49 | 37.00 | 37.25 | 37.25 | -2.67% | 1,387,843 |
| Apr 14, 2026 | 38.54 | 38.72 | 37.77 | 38.27 | 38.27 | 0.60% | 1,052,904 |
| Apr 13, 2026 | 36.92 | 38.63 | 36.82 | 38.04 | 38.04 | 1.44% | 1,581,980 |
| Apr 10, 2026 | 37.66 | 38.75 | 37.44 | 37.50 | 37.50 | 1.30% | 1,490,717 |
| Apr 9, 2026 | 35.80 | 37.05 | 35.80 | 37.02 | 37.02 | 3.21% | 1,867,269 |
| Apr 8, 2026 | 36.33 | 36.75 | 35.22 | 35.87 | 35.87 | 7.78% | 2,886,216 |
| Apr 7, 2026 | 32.56 | 33.48 | 32.56 | 33.28 | 33.28 | 1.43% | 1,896,609 |
| Apr 6, 2026 | 32.66 | 33.59 | 32.28 | 32.81 | 32.81 | 0.64% | 1,087,936 |
| Apr 2, 2026 | 31.68 | 33.83 | 31.59 | 32.60 | 32.60 | -2.10% | 1,313,613 |
| Apr 1, 2026 | 32.04 | 34.01 | 31.98 | 33.30 | 33.30 | 5.61% | 2,279,305 |
| Mar 31, 2026 | 29.42 | 31.63 | 29.25 | 31.53 | 31.53 | 12.45% | 1,878,312 |
| Mar 30, 2026 | 30.50 | 30.61 | 27.65 | 28.04 | 28.04 | -6.91% | 2,291,024 |
| Mar 27, 2026 | 30.76 | 31.25 | 30.08 | 30.12 | 30.12 | -3.55% | 1,412,038 |
| Mar 26, 2026 | 32.85 | 32.85 | 30.97 | 31.23 | 31.23 | -4.29% | 1,306,146 |
| Mar 25, 2026 | 33.11 | 33.30 | 32.48 | 32.63 | 32.63 | 0.15% | 1,440,271 |
| Mar 24, 2026 | 31.27 | 33.35 | 31.23 | 32.58 | 32.58 | 2.65% | 1,680,760 |
| Mar 23, 2026 | 31.00 | 31.98 | 30.67 | 31.74 | 31.74 | 5.98% | 1,593,192 |
| Mar 20, 2026 | 30.88 | 31.04 | 29.56 | 29.95 | 29.95 | -3.11% | 2,351,376 |
| Mar 19, 2026 | 30.45 | 31.34 | 29.80 | 30.91 | 30.91 | -1.94% | 2,197,898 |
| Mar 18, 2026 | 32.14 | 32.70 | 31.41 | 31.52 | 31.52 | -1.68% | 2,114,024 |
| Mar 17, 2026 | 31.43 | 32.88 | 31.14 | 32.06 | 32.06 | 2.17% | 2,615,795 |
| Mar 16, 2026 | 31.83 | 32.11 | 31.35 | 31.38 | 31.38 | 0.80% | 1,421,508 |
| Mar 13, 2026 | 31.86 | 32.10 | 30.59 | 31.13 | 31.13 | -0.10% | 1,156,590 |
| Mar 12, 2026 | 32.26 | 32.51 | 31.09 | 31.16 | 31.16 | -5.75% | 1,383,376 |
| Mar 11, 2026 | 33.11 | 33.38 | 32.72 | 33.06 | 33.06 | -0.33% | 1,112,359 |
| Mar 10, 2026 | 32.85 | 34.14 | 32.63 | 33.17 | 33.17 | 0.91% | 1,574,392 |
| Mar 9, 2026 | 31.82 | 32.89 | 30.78 | 32.87 | 32.87 | 2.94% | 2,391,678 |
| Mar 6, 2026 | 31.81 | 32.83 | 31.62 | 31.93 | 31.93 | -2.59% | 1,872,689 |
| Mar 5, 2026 | 33.42 | 34.57 | 32.60 | 32.78 | 32.78 | -3.79% | 2,064,487 |
| Mar 4, 2026 | 35.43 | 35.43 | 33.48 | 34.07 | 34.07 | -1.87% | 1,554,511 |
| Mar 3, 2026 | 34.96 | 35.53 | 34.32 | 34.72 | 34.72 | -5.11% | 2,855,040 |
| Mar 2, 2026 | 35.00 | 37.04 | 34.80 | 36.59 | 36.59 | 0.33% | 1,422,075 |
| Feb 27, 2026 | 35.91 | 36.63 | 35.35 | 36.47 | 36.47 | -0.82% | 1,726,954 |
| Feb 26, 2026 | 37.89 | 38.21 | 36.01 | 36.77 | 36.77 | -3.54% | 2,197,502 |
| Feb 25, 2026 | 39.20 | 39.26 | 37.92 | 38.12 | 38.12 | -2.36% | 1,994,764 |
| Feb 24, 2026 | 38.91 | 39.66 | 38.66 | 39.04 | 39.04 | 1.46% | 1,795,946 |
| Feb 23, 2026 | 38.79 | 39.76 | 38.30 | 38.48 | 38.48 | -1.16% | 2,010,033 |
| Feb 20, 2026 | 36.06 | 39.10 | 36.06 | 38.93 | 38.93 | 7.36% | 5,599,448 |
| Feb 19, 2026 | 37.97 | 38.31 | 36.14 | 36.26 | 36.26 | -6.04% | 4,904,426 |
| Feb 18, 2026 | 39.75 | 40.25 | 38.02 | 38.59 | 38.59 | -7.44% | 4,615,345 |
| Feb 17, 2026 | 41.56 | 42.22 | 40.38 | 41.69 | 41.69 | -1.63% | 2,229,429 |