Allegro MicroSystems, Inc. (ALGM)
NASDAQ: ALGM · Real-Time Price · USD
36.47
-0.30 (-0.82%)
At close: Feb 27, 2026, 4:00 PM EST
36.17
-0.30 (-0.82%)
After-hours: Feb 27, 2026, 5:11 PM EST
Allegro MicroSystems Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Feb 27, 2026 | 35.91 | 36.63 | 35.35 | 36.47 | 36.47 | -0.82% | 1,726,942 |
| Feb 26, 2026 | 37.89 | 38.21 | 36.01 | 36.77 | 36.77 | -3.54% | 2,191,592 |
| Feb 25, 2026 | 39.20 | 39.26 | 37.92 | 38.12 | 38.12 | -2.36% | 1,990,062 |
| Feb 24, 2026 | 38.91 | 39.66 | 38.66 | 39.04 | 39.04 | 1.46% | 1,790,966 |
| Feb 23, 2026 | 38.79 | 39.76 | 38.30 | 38.48 | 38.48 | -1.16% | 2,007,787 |
| Feb 20, 2026 | 36.06 | 39.10 | 36.06 | 38.93 | 38.93 | 7.36% | 5,585,976 |
| Feb 19, 2026 | 37.97 | 38.31 | 36.14 | 36.26 | 36.26 | -6.04% | 4,903,277 |
| Feb 18, 2026 | 39.75 | 40.25 | 38.02 | 38.59 | 38.59 | -7.44% | 4,615,026 |
| Feb 17, 2026 | 41.56 | 42.22 | 40.38 | 41.69 | 41.69 | -1.63% | 2,229,239 |
| Feb 13, 2026 | 43.04 | 43.52 | 41.97 | 42.38 | 42.38 | 1.31% | 1,563,852 |
| Feb 12, 2026 | 42.90 | 43.86 | 41.63 | 41.83 | 41.83 | -2.29% | 1,952,226 |
| Feb 11, 2026 | 42.31 | 43.04 | 41.80 | 42.81 | 42.81 | 2.88% | 2,507,056 |
| Feb 10, 2026 | 41.99 | 42.20 | 40.94 | 41.61 | 41.61 | -0.90% | 2,303,850 |
| Feb 9, 2026 | 41.69 | 42.11 | 40.83 | 41.99 | 41.99 | 1.01% | 2,634,731 |
| Feb 6, 2026 | 39.22 | 41.79 | 39.21 | 41.57 | 41.57 | 7.64% | 3,511,656 |
| Feb 5, 2026 | 37.88 | 38.88 | 37.42 | 38.62 | 38.62 | 1.10% | 2,777,459 |
| Feb 4, 2026 | 39.33 | 40.88 | 37.30 | 38.20 | 38.20 | -1.77% | 3,525,595 |
| Feb 3, 2026 | 37.73 | 39.50 | 37.00 | 38.89 | 38.89 | 3.90% | 3,944,515 |
| Feb 2, 2026 | 36.20 | 38.29 | 36.02 | 37.43 | 37.43 | 1.41% | 2,664,952 |
| Jan 30, 2026 | 37.14 | 38.65 | 36.24 | 36.91 | 36.91 | -2.82% | 5,191,676 |
| Jan 29, 2026 | 36.96 | 39.89 | 34.55 | 37.98 | 37.98 | 9.93% | 9,634,732 |
| Jan 28, 2026 | 33.68 | 35.39 | 33.49 | 34.55 | 34.55 | 5.79% | 4,798,559 |
| Jan 27, 2026 | 32.63 | 32.99 | 32.26 | 32.66 | 32.66 | 0.52% | 1,750,564 |
| Jan 26, 2026 | 32.99 | 32.99 | 31.86 | 32.49 | 32.49 | -1.52% | 1,926,946 |
| Jan 23, 2026 | 33.71 | 33.77 | 32.37 | 32.99 | 32.99 | -2.43% | 1,685,888 |
| Jan 22, 2026 | 34.55 | 34.74 | 32.97 | 33.81 | 33.81 | -0.53% | 2,098,488 |
| Jan 21, 2026 | 33.56 | 34.44 | 33.17 | 33.99 | 33.99 | 3.09% | 2,151,001 |
| Jan 20, 2026 | 32.30 | 33.47 | 32.01 | 32.97 | 32.97 | -1.14% | 2,331,414 |
| Jan 16, 2026 | 33.04 | 34.29 | 32.94 | 33.35 | 33.35 | 2.02% | 2,535,710 |
| Jan 15, 2026 | 32.98 | 33.48 | 32.25 | 32.69 | 32.69 | 1.36% | 3,676,931 |
| Jan 14, 2026 | 30.55 | 32.98 | 30.55 | 32.25 | 32.25 | 4.78% | 3,421,108 |
| Jan 13, 2026 | 30.55 | 31.12 | 30.32 | 30.78 | 30.78 | 2.02% | 1,388,668 |
| Jan 12, 2026 | 30.94 | 30.94 | 29.82 | 30.17 | 30.17 | -3.58% | 1,354,101 |
| Jan 9, 2026 | 31.59 | 31.59 | 30.89 | 31.29 | 31.29 | -0.03% | 1,116,943 |
| Jan 8, 2026 | 30.59 | 31.50 | 29.73 | 31.30 | 31.30 | 2.15% | 1,594,209 |
| Jan 7, 2026 | 30.93 | 31.13 | 29.68 | 30.64 | 30.64 | -2.82% | 1,817,701 |
| Jan 6, 2026 | 28.73 | 32.38 | 28.73 | 31.53 | 31.53 | 10.83% | 4,066,678 |
| Jan 5, 2026 | 27.63 | 30.29 | 27.60 | 28.45 | 28.45 | 5.72% | 2,405,036 |
| Jan 2, 2026 | 27.00 | 27.36 | 26.18 | 26.91 | 26.91 | 2.01% | 2,150,702 |
| Dec 31, 2025 | 26.98 | 26.98 | 26.24 | 26.38 | 26.38 | -1.68% | 927,387 |
| Dec 30, 2025 | 26.59 | 27.01 | 26.55 | 26.83 | 26.83 | 1.13% | 1,063,153 |
| Dec 29, 2025 | 26.63 | 26.85 | 26.32 | 26.53 | 26.53 | -1.27% | 854,071 |
| Dec 26, 2025 | 27.07 | 27.07 | 26.59 | 26.87 | 26.87 | -0.30% | 658,862 |
| Dec 24, 2025 | 27.39 | 27.39 | 26.51 | 26.95 | 26.95 | -1.82% | 1,048,483 |
| Dec 23, 2025 | 26.52 | 27.57 | 26.49 | 27.45 | 27.45 | 2.62% | 1,347,752 |
| Dec 22, 2025 | 27.09 | 27.34 | 26.68 | 26.75 | 26.75 | 0.19% | 1,663,006 |
| Dec 19, 2025 | 26.45 | 26.99 | 26.25 | 26.70 | 26.70 | 1.06% | 3,849,233 |
| Dec 18, 2025 | 26.10 | 26.95 | 26.00 | 26.42 | 26.42 | 3.69% | 3,490,783 |
| Dec 17, 2025 | 26.40 | 26.55 | 25.32 | 25.48 | 25.48 | -2.90% | 2,660,567 |
| Dec 16, 2025 | 26.71 | 26.95 | 25.74 | 26.24 | 26.24 | -1.80% | 2,021,907 |
| Dec 15, 2025 | 27.18 | 27.55 | 26.64 | 26.72 | 26.72 | -1.44% | 5,380,484 |
| Dec 12, 2025 | 28.43 | 28.93 | 27.04 | 27.11 | 27.11 | -4.81% | 2,266,812 |
| Dec 11, 2025 | 29.17 | 29.17 | 27.95 | 28.48 | 28.48 | -2.70% | 2,063,216 |
| Dec 10, 2025 | 28.83 | 30.26 | 28.73 | 29.27 | 29.27 | 1.07% | 1,655,145 |
| Dec 9, 2025 | 28.54 | 29.28 | 28.50 | 28.96 | 28.96 | 0.73% | 997,311 |
| Dec 8, 2025 | 29.33 | 29.35 | 28.61 | 28.75 | 28.75 | -1.61% | 1,176,156 |
| Dec 5, 2025 | 29.13 | 29.54 | 29.10 | 29.22 | 29.22 | 1.39% | 1,644,958 |
| Dec 4, 2025 | 28.74 | 28.94 | 28.27 | 28.82 | 28.82 | -0.28% | 1,602,530 |
| Dec 3, 2025 | 26.72 | 29.04 | 26.52 | 28.90 | 28.90 | 8.99% | 2,099,541 |
| Dec 2, 2025 | 26.14 | 26.89 | 26.00 | 26.52 | 26.52 | 2.10% | 1,580,225 |
| Dec 1, 2025 | 26.20 | 26.66 | 25.93 | 25.97 | 25.97 | -2.70% | 1,380,818 |
| Nov 28, 2025 | 26.07 | 26.76 | 25.96 | 26.69 | 26.69 | 3.37% | 574,558 |
| Nov 26, 2025 | 25.86 | 26.39 | 25.74 | 25.82 | 25.82 | 0.31% | 1,368,156 |
| Nov 25, 2025 | 24.61 | 25.77 | 24.37 | 25.74 | 25.74 | 3.66% | 1,407,218 |
| Nov 24, 2025 | 24.16 | 24.90 | 23.93 | 24.83 | 24.83 | 3.11% | 1,350,855 |
| Nov 21, 2025 | 22.83 | 24.19 | 22.41 | 24.08 | 24.08 | 5.61% | 1,711,295 |
| Nov 20, 2025 | 23.75 | 24.14 | 22.65 | 22.80 | 22.80 | -1.85% | 2,031,061 |
| Nov 19, 2025 | 23.32 | 23.75 | 23.00 | 23.23 | 23.23 | 0.09% | 1,256,355 |
| Nov 18, 2025 | 23.32 | 23.69 | 22.97 | 23.21 | 23.21 | -1.65% | 1,454,725 |
| Nov 17, 2025 | 24.79 | 24.79 | 23.42 | 23.60 | 23.60 | -4.49% | 1,695,450 |
| Nov 14, 2025 | 24.56 | 25.22 | 24.35 | 24.71 | 24.71 | -2.27% | 1,845,726 |
| Nov 13, 2025 | 26.19 | 26.44 | 24.80 | 25.29 | 25.29 | -4.48% | 2,231,404 |
| Nov 12, 2025 | 26.98 | 27.36 | 26.28 | 26.47 | 26.47 | -0.53% | 2,286,101 |
| Nov 11, 2025 | 27.43 | 27.43 | 26.09 | 26.61 | 26.61 | -3.59% | 2,295,789 |
| Nov 10, 2025 | 27.66 | 27.89 | 26.92 | 27.60 | 27.60 | 2.30% | 1,554,064 |
| Nov 7, 2025 | 26.52 | 27.05 | 26.12 | 26.98 | 26.98 | -0.85% | 1,544,657 |
| Nov 6, 2025 | 27.45 | 27.90 | 26.86 | 27.21 | 27.21 | -0.80% | 1,712,317 |
| Nov 5, 2025 | 27.42 | 28.36 | 27.27 | 27.43 | 27.43 | -0.04% | 1,787,453 |
| Nov 4, 2025 | 28.16 | 28.74 | 27.28 | 27.44 | 27.44 | -5.18% | 2,100,398 |
| Nov 3, 2025 | 30.35 | 30.61 | 28.87 | 28.94 | 28.94 | -3.28% | 2,752,857 |
| Oct 31, 2025 | 30.38 | 31.20 | 29.06 | 29.92 | 29.92 | -1.16% | 4,042,813 |
| Oct 30, 2025 | 33.65 | 33.84 | 28.59 | 30.27 | 30.27 | -1.53% | 5,743,516 |
| Oct 29, 2025 | 31.36 | 31.56 | 30.59 | 30.74 | 30.74 | 0.26% | 2,888,829 |
| Oct 28, 2025 | 30.36 | 31.82 | 30.00 | 30.66 | 30.66 | 0.59% | 2,674,416 |
| Oct 27, 2025 | 31.42 | 32.19 | 30.01 | 30.48 | 30.48 | -1.39% | 3,009,070 |
| Oct 24, 2025 | 31.73 | 31.75 | 30.79 | 30.91 | 30.91 | -0.26% | 2,559,607 |
| Oct 23, 2025 | 30.02 | 31.17 | 29.91 | 30.99 | 30.99 | 0.94% | 3,278,515 |
| Oct 22, 2025 | 30.07 | 31.54 | 30.07 | 30.70 | 30.70 | -1.13% | 3,883,336 |
| Oct 21, 2025 | 30.65 | 31.30 | 30.21 | 31.05 | 31.05 | 1.84% | 2,307,478 |
| Oct 20, 2025 | 29.48 | 30.98 | 29.30 | 30.49 | 30.49 | 4.94% | 1,933,014 |
| Oct 17, 2025 | 29.08 | 29.28 | 28.46 | 29.06 | 29.06 | -0.94% | 1,772,405 |
| Oct 16, 2025 | 29.11 | 29.60 | 29.01 | 29.33 | 29.33 | 1.56% | 2,613,238 |
| Oct 15, 2025 | 28.25 | 29.65 | 27.84 | 28.88 | 28.88 | 4.60% | 3,079,096 |
| Oct 14, 2025 | 26.70 | 28.25 | 26.54 | 27.61 | 27.61 | 0.73% | 1,989,532 |
| Oct 13, 2025 | 26.93 | 27.55 | 26.58 | 27.41 | 27.41 | 5.75% | 1,444,729 |
| Oct 10, 2025 | 27.68 | 27.90 | 25.87 | 25.92 | 25.92 | -6.63% | 2,454,244 |
| Oct 9, 2025 | 28.36 | 28.36 | 27.03 | 27.76 | 27.76 | -1.84% | 2,532,198 |
| Oct 8, 2025 | 27.52 | 28.30 | 27.38 | 28.28 | 28.28 | 2.84% | 3,230,829 |
| Oct 7, 2025 | 28.51 | 28.58 | 26.97 | 27.50 | 27.50 | -2.55% | 1,756,704 |
| Oct 6, 2025 | 28.88 | 28.99 | 27.80 | 28.22 | 28.22 | -0.35% | 1,905,711 |