Allegro MicroSystems Stock Price History
NASDAQ: ALGMTechnologySemiconductorsUSD
35.57-0.70 (-1.93%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
After hours: 35.60 +0.08%
ALGM price history at a glance
The price history for Allegro MicroSystems (ALGM) on this page begins on October 26, 2020, when the stock closed at $18.30; it most recently closed at $35.57 on October 5, 2026. The highest price in this record is $71.77, reached on June 29, 2026; the latest close is 50.4% below that peak. Across the 5 complete calendar years in the table, ALGM finished higher in 3 and lower in 2. Its best year was 2021 (+35.7%) and its worst was 2024 (-21.7%).
Over roughly 6 years the share price changed +94.4%, a 11.8% compound annual price return (excluding dividends). In the last 12 months alone, ALGM has gained 28.3%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2020
- $71.77
- Date of high
- Jun 29, 2026
- Low since 2020
- $16.38
- Date of low
- Apr 21, 2025
- 52-week high
- $71.77
- 52-week low
- $22.41
- IPO year
- 2020
- Last close
- $36.27
ALGM returns
1 week
-0.30%
1 month
-0.55%
3 months
-36.79%
6 months
-2.03%
Year to date
+37.49%
1 year
+28.25%
3 years
+22.87%
5 years
+15.69%
ALGM price return, excluding dividends.
ALGM annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 35.57 | +32.18% |
| 2025 | 26.91 | +13.54% |
| 2024 | 23.70 | -21.70% |
| 2023 | 30.27 | +0.83% |
| 2022 | 30.02 | -17.03% |
| 2021 | 36.18 | +35.71% |
| 2020* | 26.66 | +45.68% |
* Partial year: the record begins after the start of 2020; return measured from the first available close.
2026 return is year to date.
ALGM daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 36.32 | 37.01 | 34.95 | 36.27 | -2.05% | |
| 37.56 | 37.94 | 36.79 | 37.03 | -4.46% | |
| 38.90 | 39.29 | 37.98 | 38.76 | +0.78% | |
| 39.44 | 39.71 | 37.85 | 38.46 | -2.71% | |
| 38.15 | 40.03 | 38.15 | 39.53 | +8.66% | |
| 36.35 | 36.86 | 35.68 | 36.38 | +0.08% | |
| 36.64 | 37.05 | 36.15 | 36.35 | -0.68% | |
| 37.86 | 38.00 | 36.21 | 36.60 | -0.92% | |
| 36.74 | 37.45 | 35.74 | 36.94 | +0.49% | |
| 35.28 | 36.89 | 35.13 | 36.76 | +4.64% | |
| 34.32 | 35.20 | 33.95 | 35.13 | +0.06% | |
| 35.48 | 35.95 | 34.85 | 35.11 | -1.13% | |
| 35.43 | 36.38 | 35.13 | 35.51 | +0.03% | |
| 35.01 | 35.89 | 33.85 | 35.50 | +4.11% | |
| 33.57 | 34.18 | 33.32 | 34.10 | +2.99% | |
| 34.44 | 34.53 | 33.00 | 33.11 | +0.27% | |
| 34.12 | 34.35 | 32.67 | 33.02 | -0.72% | |
| 34.42 | 34.49 | 32.78 | 33.26 | -1.74% | |
| 34.03 | 35.14 | 33.60 | 33.85 | -6.77% | |
| 35.86 | 36.80 | 35.56 | 36.31 | +2.95% | |
| 34.72 | 35.83 | 34.55 | 35.27 | -1.59% | |
| 35.99 | 36.89 | 35.76 | 35.84 | -1.73% | |
| 37.54 | 37.68 | 36.25 | 36.47 | -0.38% | |
| 36.18 | 37.28 | 35.98 | 36.61 | +2.95% | |
| 34.90 | 35.77 | 34.02 | 35.56 | +0.25% | |
| 35.67 | 36.41 | 35.03 | 35.47 | 0.00% | |
| 35.39 | 35.76 | 34.50 | 35.47 | -2.15% | |
| 36.00 | 36.50 | 35.41 | 36.25 | +1.34% | |
| 37.51 | 37.51 | 35.56 | 35.77 | -4.84% | |
| 37.80 | 38.26 | 36.85 | 37.59 | +1.90% | |
| 37.51 | 38.15 | 36.50 | 36.89 | -1.47% | |
| 36.83 | 37.45 | 36.44 | 37.44 | +5.08% | |
| 36.15 | 36.59 | 35.34 | 35.63 | -4.12% | |
| 37.63 | 37.98 | 36.49 | 37.16 | -0.08% | |
| 38.21 | 38.79 | 36.61 | 37.19 | -3.02% | |
| 40.00 | 40.30 | 37.49 | 38.35 | -2.64% | |
| 42.54 | 43.05 | 39.34 | 39.39 | -10.98% | |
| 45.32 | 46.58 | 44.03 | 44.25 | -0.32% | |
| 44.06 | 45.01 | 43.53 | 44.39 | +0.59% | |
| 42.78 | 45.67 | 42.59 | 44.13 | +3.91% | |
| 44.57 | 44.57 | 42.36 | 42.47 | -0.12% | |
| 43.47 | 44.05 | 42.31 | 42.52 | +0.14% | |
| 44.39 | 44.87 | 42.37 | 42.46 | -2.99% | |
| 43.80 | 44.50 | 42.72 | 43.77 | +3.10% | |
| 40.84 | 44.05 | 40.20 | 42.46 | +1.57% | |
| 42.02 | 43.56 | 41.61 | 41.80 | -2.45% | |
| 44.00 | 44.49 | 42.19 | 42.85 | +3.20% | |
| 39.69 | 42.10 | 38.60 | 41.52 | +0.05% | |
| 42.27 | 43.35 | 40.76 | 41.50 | +0.12% | |
| 42.31 | 42.92 | 38.15 | 41.45 | -1.80% | |
| 43.70 | 44.94 | 41.77 | 42.21 | -5.19% | |
| 43.50 | 44.73 | 42.01 | 44.52 | -4.87% | |
| 46.96 | 47.62 | 44.01 | 46.80 | +1.67% | |
| 50.00 | 50.00 | 45.57 | 46.03 | -8.07% | |
| 49.12 | 51.88 | 49.02 | 50.07 | +0.40% | |
| 47.84 | 50.65 | 47.84 | 49.87 | +1.05% | |
| 49.25 | 49.96 | 47.70 | 49.35 | +6.45% | |
| 46.29 | 48.50 | 46.00 | 46.36 | -0.26% | |
| 44.28 | 48.07 | 44.13 | 46.48 | -1.36% | |
| 48.00 | 48.86 | 46.46 | 47.12 | -5.82% | |
| 53.10 | 53.35 | 47.96 | 50.03 | -4.38% | |
| 54.21 | 54.40 | 51.19 | 52.32 | +2.88% | |
| 52.21 | 52.63 | 50.16 | 50.86 | -7.32% | |
| 55.99 | 56.00 | 53.48 | 54.87 | -4.37% | |
| 54.40 | 58.48 | 54.40 | 57.38 | +11.49% | |
| 51.06 | 52.52 | 49.61 | 51.47 | -0.16% | |
| 52.97 | 53.76 | 50.47 | 51.55 | -8.86% | |
| 57.07 | 62.00 | 56.00 | 56.56 | +1.94% | |
| 63.38 | 63.78 | 52.88 | 55.49 | -12.21% | |
| 66.85 | 67.90 | 63.16 | 63.20 | -9.22% | |
| 66.10 | 71.77 | 64.80 | 69.62 | +4.90% | |
| 58.02 | 67.41 | 57.30 | 66.37 | +14.65% | |
| 57.34 | 60.39 | 56.50 | 57.89 | -3.77% | |
| 58.41 | 60.80 | 55.65 | 60.16 | +8.55% | |
| 55.73 | 56.79 | 54.18 | 55.42 | -0.18% | |
| 56.80 | 58.46 | 55.49 | 55.52 | -9.84% | |
| 61.68 | 61.68 | 58.13 | 61.58 | +4.37% | |
| 57.20 | 59.56 | 56.29 | 59.00 | +9.30% | |
| 55.44 | 57.88 | 53.25 | 53.98 | +1.29% | |
| 54.91 | 58.13 | 53.26 | 53.29 | -3.11% | |
| 52.81 | 55.45 | 52.53 | 55.00 | +9.12% | |
| 47.96 | 50.46 | 47.47 | 50.41 | +5.10% | |
| 45.88 | 47.98 | 45.45 | 47.96 | +7.68% | |
| 45.68 | 47.05 | 44.00 | 44.54 | -4.48% | |
| 49.22 | 50.00 | 43.27 | 46.63 | -3.24% | |
| 47.87 | 48.24 | 46.43 | 48.19 | +3.88% | |
| 51.50 | 51.75 | 46.10 | 46.39 | -13.48% | |
| 51.02 | 54.40 | 50.00 | 53.62 | +0.96% | |
| 50.33 | 54.10 | 49.02 | 53.11 | +5.52% | |
| 48.64 | 50.74 | 48.40 | 50.33 | +6.79% | |
| 47.23 | 47.59 | 46.01 | 47.13 | -1.55% | |
| 51.26 | 52.80 | 47.36 | 47.87 | -6.32% | |
| 49.57 | 51.23 | 47.78 | 51.10 | +4.29% | |
| 51.59 | 51.66 | 48.75 | 49.00 | -3.47% | |
| 47.80 | 51.35 | 47.15 | 50.76 | +10.47% | |
| 45.38 | 46.15 | 45.11 | 45.95 | +2.80% | |
| 43.74 | 45.14 | 43.60 | 44.70 | +0.83% | |
| 42.27 | 44.57 | 41.25 | 44.33 | +6.43% | |
| 40.10 | 41.84 | 39.57 | 41.65 | +0.73% | |
| 42.85 | 43.75 | 40.67 | 41.35 | -4.06% | |
| 43.58 | 43.79 | 42.34 | 43.10 | -4.16% | |
| 46.06 | 46.14 | 44.84 | 44.97 | -2.18% | |
| 47.66 | 47.73 | 45.44 | 45.97 | +0.22% | |
| 47.26 | 47.62 | 43.38 | 45.87 | -5.21% | |
| 48.87 | 49.02 | 46.15 | 48.39 | -1.14% | |
| 49.17 | 49.17 | 47.26 | 48.95 | +2.13% | |
| 43.90 | 49.49 | 42.00 | 47.93 | -6.70% | |
| 50.25 | 51.40 | 49.54 | 51.37 | +3.40% | |
| 50.25 | 50.31 | 48.73 | 49.68 | +0.40% | |
| 49.43 | 50.19 | 48.74 | 49.48 | +1.02% | |
| 47.71 | 49.19 | 46.82 | 48.98 | +0.99% | |
| 44.64 | 48.60 | 44.22 | 48.50 | +10.05% | |
| 42.19 | 44.41 | 42.19 | 44.07 | +7.17% | |
| 41.77 | 42.97 | 40.97 | 41.12 | -5.41% | |
| 44.13 | 44.50 | 42.28 | 43.47 | -1.50% | |
| 45.06 | 45.09 | 43.65 | 44.13 | +1.19% | |
| 44.07 | 45.39 | 43.04 | 43.61 | +3.17% | |
| 42.29 | 42.60 | 40.94 | 42.27 | +2.40% | |
| 40.85 | 42.02 | 40.84 | 41.28 | +1.55% | |
| 40.05 | 40.69 | 39.75 | 40.65 | +1.62% | |
| 39.02 | 40.61 | 38.90 | 40.00 | +4.66% | |
| 37.44 | 38.33 | 37.20 | 38.22 | +2.60% | |
| 38.38 | 38.49 | 37.00 | 37.25 | -2.67% | |
| 38.54 | 38.72 | 37.77 | 38.27 | +0.60% | |
| 36.92 | 38.63 | 36.82 | 38.04 | +1.44% | |
| 37.66 | 38.75 | 37.44 | 37.50 | +1.30% | |
| 35.80 | 37.05 | 35.80 | 37.02 | +3.21% | |
| 36.33 | 36.75 | 35.22 | 35.87 | +7.78% | |
| 32.56 | 33.48 | 32.56 | 33.28 | +1.43% | |
| 32.66 | 33.59 | 32.28 | 32.81 | +0.64% | |
| 31.68 | 33.83 | 31.59 | 32.60 | -2.10% | |
| 32.04 | 34.01 | 31.98 | 33.30 | +5.61% | |
| 29.42 | 31.63 | 29.25 | 31.53 | +12.45% | |
| 30.50 | 30.61 | 27.65 | 28.04 | -6.91% | |
| 30.76 | 31.25 | 30.08 | 30.12 | -3.55% | |
| 32.85 | 32.85 | 30.97 | 31.23 | -4.29% | |
| 33.11 | 33.30 | 32.48 | 32.63 | +0.15% | |
| 31.27 | 33.35 | 31.23 | 32.58 | +2.65% | |
| 31.00 | 31.98 | 30.67 | 31.74 | +5.98% | |
| 30.88 | 31.04 | 29.56 | 29.95 | -3.11% | |
| 30.45 | 31.34 | 29.80 | 30.91 | -1.94% | |
| 32.14 | 32.70 | 31.41 | 31.52 | -1.68% | |
| 31.43 | 32.88 | 31.14 | 32.06 | +2.17% | |
| 31.83 | 32.11 | 31.35 | 31.38 | +0.80% | |
| 31.86 | 32.10 | 30.59 | 31.13 | -0.10% | |
| 32.26 | 32.51 | 31.09 | 31.16 | -5.75% | |
| 33.11 | 33.38 | 32.72 | 33.06 | -0.33% | |
| 32.85 | 34.14 | 32.63 | 33.17 | +0.91% | |
| 31.82 | 32.89 | 30.78 | 32.87 | +2.94% | |
| 31.81 | 32.83 | 31.62 | 31.93 | -2.59% | |
| 33.42 | 34.57 | 32.60 | 32.78 | -3.79% | |
| 35.43 | 35.43 | 33.48 | 34.07 | -1.87% | |
| 34.96 | 35.53 | 34.32 | 34.72 | -5.11% | |
| 35.00 | 37.04 | 34.80 | 36.59 | +0.33% | |
| 35.91 | 36.63 | 35.35 | 36.47 | -0.82% | |
| 37.89 | 38.21 | 36.01 | 36.77 | -3.54% | |
| 39.20 | 39.26 | 37.92 | 38.12 | -2.36% | |
| 38.91 | 39.66 | 38.66 | 39.04 | +1.46% | |
| 38.79 | 39.76 | 38.30 | 38.48 | -1.16% | |
| 36.06 | 39.10 | 36.06 | 38.93 | +7.36% | |
| 37.97 | 38.31 | 36.14 | 36.26 | -6.04% | |
| 39.75 | 40.25 | 38.02 | 38.59 | -7.44% | |
| 41.56 | 42.22 | 40.38 | 41.69 | -1.63% | |
| 43.04 | 43.52 | 41.97 | 42.38 | +1.31% | |
| 42.90 | 43.86 | 41.63 | 41.83 | -2.29% | |
| 42.31 | 43.04 | 41.80 | 42.81 | +2.88% | |
| 41.99 | 42.20 | 40.94 | 41.61 | -0.90% | |
| 41.69 | 42.11 | 40.83 | 41.99 | +1.01% | |
| 39.22 | 41.79 | 39.21 | 41.57 | +7.64% | |
| 37.88 | 38.88 | 37.42 | 38.62 | +1.10% | |
| 39.33 | 40.88 | 37.30 | 38.20 | -1.77% | |
| 37.73 | 39.50 | 37.00 | 38.89 | +3.90% | |
| 36.20 | 38.29 | 36.02 | 37.43 | +1.41% | |
| 37.14 | 38.65 | 36.24 | 36.91 | -2.82% | |
| 36.96 | 39.89 | 34.55 | 37.98 | +9.93% | |
| 33.68 | 35.39 | 33.49 | 34.55 | +5.79% | |
| 32.63 | 32.99 | 32.26 | 32.66 | +0.52% | |
| 32.99 | 32.99 | 31.86 | 32.49 | -1.52% | |
| 33.71 | 33.77 | 32.37 | 32.99 | -2.43% | |
| 34.55 | 34.74 | 32.97 | 33.81 | -0.53% | |
| 33.56 | 34.44 | 33.17 | 33.99 | +3.09% | |
| 32.30 | 33.47 | 32.01 | 32.97 | -1.14% | |
| 33.04 | 34.29 | 32.94 | 33.35 | +2.02% | |
| 32.98 | 33.48 | 32.25 | 32.69 | +1.36% | |
| 30.55 | 32.98 | 30.55 | 32.25 | +4.78% | |
| 30.55 | 31.12 | 30.32 | 30.78 | +2.02% | |
| 30.94 | 30.94 | 29.82 | 30.17 | -3.58% | |
| 31.59 | 31.59 | 30.89 | 31.29 | -0.03% | |
| 30.59 | 31.50 | 29.73 | 31.30 | +2.15% | |
| 30.93 | 31.13 | 29.68 | 30.64 | -2.82% | |
| 28.73 | 32.38 | 28.73 | 31.53 | +10.83% | |
| 27.63 | 30.29 | 27.60 | 28.45 | +5.72% | |
| 27.00 | 27.36 | 26.18 | 26.91 | +2.01% | |
| 26.98 | 26.98 | 26.24 | 26.38 | -1.68% | |
| 26.59 | 27.01 | 26.55 | 26.83 | +1.13% | |
| 26.63 | 26.85 | 26.32 | 26.53 | -1.27% | |
| 27.07 | 27.07 | 26.59 | 26.87 | -0.30% | |
| 27.39 | 27.39 | 26.51 | 26.95 | -1.82% | |
| 26.52 | 27.57 | 26.49 | 27.45 | +2.62% | |
| 27.09 | 27.34 | 26.68 | 26.75 | +0.19% | |
| 26.45 | 26.99 | 26.25 | 26.70 | +1.06% | |
| 26.10 | 26.95 | 26.00 | 26.42 | +3.69% | |
| 26.40 | 26.55 | 25.32 | 25.48 | -2.90% | |
| 26.71 | 26.95 | 25.74 | 26.24 | -1.80% | |
| 27.18 | 27.55 | 26.64 | 26.72 | -1.44% | |
| 28.43 | 28.93 | 27.04 | 27.11 | -4.81% | |
| 29.17 | 29.17 | 27.95 | 28.48 | -2.70% | |
| 28.83 | 30.26 | 28.73 | 29.27 | +1.07% | |
| 28.54 | 29.28 | 28.50 | 28.96 | +0.73% | |
| 29.33 | 29.35 | 28.61 | 28.75 | -1.61% | |
| 29.13 | 29.54 | 29.10 | 29.22 | +1.39% | |
| 28.74 | 28.94 | 28.27 | 28.82 | -0.28% | |
| 26.72 | 29.04 | 26.52 | 28.90 | +8.99% | |
| 26.14 | 26.89 | 26.00 | 26.52 | +2.10% | |
| 26.20 | 26.66 | 25.93 | 25.97 | -2.70% | |
| 26.07 | 26.76 | 25.96 | 26.69 | +3.37% | |
| 25.86 | 26.39 | 25.74 | 25.82 | +0.31% | |
| 24.61 | 25.77 | 24.37 | 25.74 | +3.66% | |
| 24.16 | 24.90 | 23.93 | 24.83 | +3.11% | |
| 22.83 | 24.19 | 22.41 | 24.08 | +5.61% | |
| 23.75 | 24.14 | 22.65 | 22.80 | -1.85% | |
| 23.32 | 23.75 | 23.00 | 23.23 | +0.09% | |
| 23.32 | 23.69 | 22.97 | 23.21 | -1.65% | |
| 24.79 | 24.79 | 23.42 | 23.60 | -4.49% | |
| 24.56 | 25.22 | 24.35 | 24.71 | -2.27% | |
| 26.19 | 26.44 | 24.80 | 25.29 | -4.48% | |
| 26.98 | 27.36 | 26.28 | 26.47 | -0.53% | |
| 27.43 | 27.43 | 26.09 | 26.61 | -3.59% | |
| 27.66 | 27.89 | 26.92 | 27.60 | +2.30% | |
| 26.52 | 27.05 | 26.12 | 26.98 | -0.85% | |
| 27.45 | 27.90 | 26.86 | 27.21 | -0.80% | |
| 27.42 | 28.36 | 27.27 | 27.43 | -0.04% | |
| 28.16 | 28.74 | 27.28 | 27.44 | -5.18% | |
| 30.35 | 30.61 | 28.87 | 28.94 | -3.28% | |
| 30.38 | 31.20 | 29.06 | 29.92 | -1.16% | |
| 33.65 | 33.84 | 28.59 | 30.27 | -1.53% | |
| 31.36 | 31.56 | 30.59 | 30.74 | +0.26% | |
| 30.36 | 31.82 | 30.00 | 30.66 | +0.59% | |
| 31.42 | 32.19 | 30.01 | 30.48 | -1.39% | |
| 31.73 | 31.75 | 30.79 | 30.91 | -0.26% | |
| 30.02 | 31.17 | 29.91 | 30.99 | +0.94% | |
| 30.07 | 31.54 | 30.07 | 30.70 | -1.13% | |
| 30.65 | 31.30 | 30.21 | 31.05 | +1.84% | |
| 29.48 | 30.98 | 29.30 | 30.49 | +4.94% | |
| 29.08 | 29.28 | 28.46 | 29.06 | -0.94% | |
| 29.11 | 29.60 | 29.01 | 29.33 | +1.56% | |
| 28.25 | 29.65 | 27.84 | 28.88 | +4.60% | |
| 26.70 | 28.25 | 26.54 | 27.61 | +0.73% | |
| 26.93 | 27.55 | 26.58 | 27.41 | +5.75% | |
| 27.68 | 27.90 | 25.87 | 25.92 | -6.63% | |
| 28.36 | 28.36 | 27.03 | 27.76 | -1.84% | |
| 27.52 | 28.30 | 27.38 | 28.28 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the ALGM chart for longer ranges.