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

DateOpenHighLowCloseAdj. CloseChangeVolume
Apr 28, 202641.7742.9740.9741.21--5.20%2,000,864
Apr 27, 202644.1344.5042.2843.4743.47-1.50%1,794,276
Apr 24, 202645.0645.0943.6544.1344.131.19%1,945,062
Apr 23, 202644.0745.3943.0443.6143.613.17%2,842,852
Apr 22, 202642.2942.6040.9442.2742.272.40%1,742,926
Apr 21, 202640.8542.0240.8441.2841.281.55%1,712,685
Apr 20, 202640.0540.6939.7540.6540.651.62%1,690,977
Apr 17, 202639.0240.6138.9040.0040.004.66%1,568,835
Apr 16, 202637.4438.3337.2038.2238.222.60%1,554,038
Apr 15, 202638.3838.4937.0037.2537.25-2.67%1,387,843
Apr 14, 202638.5438.7237.7738.2738.270.60%1,052,904
Apr 13, 202636.9238.6336.8238.0438.041.44%1,581,980
Apr 10, 202637.6638.7537.4437.5037.501.30%1,490,717
Apr 9, 202635.8037.0535.8037.0237.023.21%1,867,269
Apr 8, 202636.3336.7535.2235.8735.877.78%2,886,216
Apr 7, 202632.5633.4832.5633.2833.281.43%1,896,609
Apr 6, 202632.6633.5932.2832.8132.810.64%1,087,936
Apr 2, 202631.6833.8331.5932.6032.60-2.10%1,313,613
Apr 1, 202632.0434.0131.9833.3033.305.61%2,279,305
Mar 31, 202629.4231.6329.2531.5331.5312.45%1,878,312
Mar 30, 202630.5030.6127.6528.0428.04-6.91%2,291,024
Mar 27, 202630.7631.2530.0830.1230.12-3.55%1,412,038
Mar 26, 202632.8532.8530.9731.2331.23-4.29%1,306,146
Mar 25, 202633.1133.3032.4832.6332.630.15%1,440,271
Mar 24, 202631.2733.3531.2332.5832.582.65%1,680,760
Mar 23, 202631.0031.9830.6731.7431.745.98%1,593,192
Mar 20, 202630.8831.0429.5629.9529.95-3.11%2,351,376
Mar 19, 202630.4531.3429.8030.9130.91-1.94%2,197,898
Mar 18, 202632.1432.7031.4131.5231.52-1.68%2,114,024
Mar 17, 202631.4332.8831.1432.0632.062.17%2,615,795
Mar 16, 202631.8332.1131.3531.3831.380.80%1,421,508
Mar 13, 202631.8632.1030.5931.1331.13-0.10%1,156,590
Mar 12, 202632.2632.5131.0931.1631.16-5.75%1,383,376
Mar 11, 202633.1133.3832.7233.0633.06-0.33%1,112,359
Mar 10, 202632.8534.1432.6333.1733.170.91%1,574,392
Mar 9, 202631.8232.8930.7832.8732.872.94%2,391,678
Mar 6, 202631.8132.8331.6231.9331.93-2.59%1,872,689
Mar 5, 202633.4234.5732.6032.7832.78-3.79%2,064,487
Mar 4, 202635.4335.4333.4834.0734.07-1.87%1,554,511
Mar 3, 202634.9635.5334.3234.7234.72-5.11%2,855,040
Mar 2, 202635.0037.0434.8036.5936.590.33%1,422,075
Feb 27, 202635.9136.6335.3536.4736.47-0.82%1,726,954
Feb 26, 202637.8938.2136.0136.7736.77-3.54%2,197,502
Feb 25, 202639.2039.2637.9238.1238.12-2.36%1,994,764
Feb 24, 202638.9139.6638.6639.0439.041.46%1,795,946
Feb 23, 202638.7939.7638.3038.4838.48-1.16%2,010,033
Feb 20, 202636.0639.1036.0638.9338.937.36%5,599,448
Feb 19, 202637.9738.3136.1436.2636.26-6.04%4,904,426
Feb 18, 202639.7540.2538.0238.5938.59-7.44%4,615,345
Feb 17, 202641.5642.2240.3841.6941.69-1.63%2,229,429