Allegro MicroSystems, Inc. (ALGM)
NASDAQ: ALGM · Real-Time Price · USD
57.89
-2.27 (-3.77%)
At close: Jun 26, 2026, 4:00 PM EDT
57.17
-0.72 (-1.24%)
After-hours: Jun 26, 2026, 7:50 PM EDT

Allegro MicroSystems Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jun 26, 202657.3460.3956.5057.8957.89-3.77%12,056,480
Jun 25, 202658.4160.8055.6560.1660.168.55%3,600,832
Jun 24, 202655.7356.7954.1855.4255.42-0.18%2,607,300
Jun 23, 202656.8058.4655.4955.5255.52-9.84%3,405,473
Jun 22, 202661.6861.6858.1361.5861.584.37%3,462,865
Jun 18, 202657.2059.5656.2959.0059.009.30%4,695,953
Jun 17, 202655.4457.8853.2553.9853.981.29%4,034,709
Jun 16, 202654.9158.1353.2653.2953.29-3.11%3,522,275
Jun 15, 202652.8155.4552.5355.0055.009.12%2,630,518
Jun 12, 202647.9650.4647.4750.4150.415.10%1,617,631
Jun 11, 202645.8847.9845.4547.9647.967.68%1,423,869
Jun 10, 202645.6847.0544.0044.5444.54-4.48%1,598,717
Jun 9, 202649.2250.0043.2746.6346.63-3.24%1,810,000
Jun 8, 202647.8748.2446.4348.1948.193.88%2,068,506
Jun 5, 202651.5051.7546.1046.3946.39-13.48%2,128,631
Jun 4, 202651.0254.4050.0053.6253.620.96%2,089,551
Jun 3, 202650.3354.1049.0253.1153.115.52%2,877,480
Jun 2, 202648.6450.7448.4050.3350.336.79%2,338,324
Jun 1, 202647.2347.5946.0147.1347.13-1.55%2,141,691
May 29, 202651.2652.8047.3647.8747.87-6.32%3,642,414
May 28, 202649.5751.2347.7851.1051.104.29%2,033,374
May 27, 202651.5951.6648.7549.0049.00-3.47%1,926,226
May 26, 202647.8051.3547.1550.7650.7610.47%2,994,713
May 22, 202645.3846.1545.1145.9545.952.80%1,857,672
May 21, 202643.7445.1443.6044.7044.700.83%1,783,388
May 20, 202642.2744.5741.2544.3344.336.43%2,444,518
May 19, 202640.1041.8439.5741.6541.650.73%1,918,879
May 18, 202642.8543.7540.6741.3541.35-4.06%2,353,112
May 15, 202643.5843.7942.3443.1043.10-4.16%3,526,125
May 14, 202646.0646.1444.8444.9744.97-2.18%1,989,024
May 13, 202647.6647.7345.4445.9745.970.22%2,104,970
May 12, 202647.2647.6243.3845.8745.87-5.21%3,507,461
May 11, 202648.8749.0246.1548.3948.39-1.14%3,466,848
May 8, 202649.1749.1747.2648.9548.952.13%2,540,502
May 7, 202643.9049.4942.0047.9347.93-6.70%5,318,787
May 6, 202650.2551.4049.5451.3751.373.40%3,575,439
May 5, 202650.2550.3148.7349.6849.680.40%2,970,246
May 4, 202649.4350.1948.7449.4849.481.02%2,283,943
May 1, 202647.7149.1946.8248.9848.980.99%2,473,290
Apr 30, 202644.6448.6044.2248.5048.5010.05%3,475,146
Apr 29, 202642.1944.4142.1944.0744.077.17%2,696,012
Apr 28, 202641.7742.9740.9741.1241.12-5.41%2,405,962
Apr 27, 202644.1344.5042.2843.4743.47-1.50%1,794,425
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
Feb 13, 202643.0443.5241.9742.3842.381.31%1,564,399
Feb 12, 202642.9043.8641.6341.8341.83-2.29%1,952,942
Feb 11, 202642.3143.0441.8042.8142.812.88%2,508,849
Feb 10, 202641.9942.2040.9441.6141.61-0.90%2,358,564
Feb 9, 202641.6942.1140.8341.9941.991.01%2,637,578
Feb 6, 202639.2241.7939.2141.5741.577.64%3,748,930
Feb 5, 202637.8838.8837.4238.6238.621.10%2,779,942
Feb 4, 202639.3340.8837.3038.2038.20-1.77%3,546,426
Feb 3, 202637.7339.5037.0038.8938.893.90%4,154,118