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Amylyx Pharmaceuticals, Inc. (AMLX)
NASDAQ: AMLX · Real-Time Price · USD
16.31
-0.57 (-3.38%)
At close: Apr 28, 2026, 4:00 PM EDT
16.40
+0.09 (0.55%)
After-hours: Apr 28, 2026, 7:06 PM EDT

Amylyx Pharmaceuticals Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Apr 28, 202617.0517.5616.1116.3116.31-3.41%985,921
Apr 27, 202616.9917.8916.8216.8816.88-0.94%859,055
Apr 24, 202617.3517.5316.7117.0417.04-1.62%660,595
Apr 23, 202617.5217.6917.0617.3217.32-1.14%498,113
Apr 22, 202617.9217.9217.2817.5217.52-0.40%650,923
Apr 21, 202617.6017.7717.1617.5917.590.11%814,299
Apr 20, 202618.1618.2017.5017.5717.57-4.30%758,915
Apr 17, 202618.1118.6117.7518.3618.363.55%1,541,809
Apr 16, 202617.0617.9116.8417.7317.733.56%2,376,750
Apr 15, 202616.9317.1616.5917.1217.121.18%816,044
Apr 14, 202616.6017.3316.4616.9216.922.73%851,516
Apr 13, 202616.2616.6616.0516.4716.470.67%974,368
Apr 10, 202617.3617.3616.3416.3616.36-5.54%847,452
Apr 9, 202616.5617.3616.5117.3217.322.36%1,191,503
Apr 8, 202616.7617.0616.2616.9216.924.00%1,529,975
Apr 7, 202615.6816.3015.5116.2716.272.84%1,351,611
Apr 6, 202614.9416.2014.9015.8215.825.82%2,463,898
Apr 2, 202614.0015.2313.9314.9514.954.18%1,283,971
Apr 1, 202614.1714.6613.8814.3514.353.24%833,903
Mar 31, 202612.9314.1512.9113.9013.908.93%1,245,401
Mar 30, 202613.5413.7912.6812.7612.76-5.83%991,608
Mar 27, 202613.4413.8413.3213.5513.550.59%1,212,059
Mar 26, 202613.5713.8813.4213.4713.47-2.60%735,178
Mar 25, 202613.9414.2713.7713.8313.831.24%1,059,293
Mar 24, 202613.3813.7013.2013.6613.660.96%935,347
Mar 23, 202614.1714.4413.5213.5313.53-2.03%895,759
Mar 20, 202614.1314.3513.6913.8113.81-1.71%1,549,011
Mar 19, 202613.9814.3713.6514.0514.051.89%606,245
Mar 18, 202614.1514.1613.6913.7913.79-3.50%602,192
Mar 17, 202614.3014.4714.1714.2914.29-0.63%520,108
Mar 16, 202614.1914.7914.1114.3814.382.79%629,562
Mar 13, 202614.5015.0113.7813.9913.99-2.71%759,104
Mar 12, 202614.2514.5313.5514.3814.38-3.68%989,074
Mar 11, 202614.7515.2614.4114.9314.93-0.33%764,100
Mar 10, 202614.3115.1913.9614.9814.984.68%789,238
Mar 9, 202614.0314.5713.5314.3114.313.32%799,839
Mar 6, 202613.8214.3713.6713.8513.85-1.77%1,146,762
Mar 5, 202614.8814.8813.8014.1014.10-6.31%1,347,896
Mar 4, 202614.0715.2513.9215.0515.056.66%1,467,131
Mar 3, 202615.4215.7013.7514.1114.11-7.78%1,356,921
Mar 2, 202615.0015.4814.4015.3015.300.86%1,786,887
Feb 27, 202615.0015.4514.9915.1715.17-0.59%1,244,267
Feb 26, 202614.5415.3214.1615.2615.266.19%1,062,587
Feb 25, 202614.8414.9914.2914.3714.37-2.31%592,123
Feb 24, 202613.9014.8213.9014.7114.715.83%1,307,642
Feb 23, 202614.0114.5313.7813.9013.90-0.79%785,833
Feb 20, 202614.4514.5313.6314.0114.01-0.07%718,363
Feb 19, 202614.0014.1213.6114.0214.02-0.57%740,162
Feb 18, 202613.9914.6213.8314.1014.10-0.21%469,600
Feb 17, 202614.0014.7013.8714.1314.130.07%600,257
Feb 13, 202614.0014.4513.8214.1214.120.36%621,275
Feb 12, 202614.4714.7713.9114.0714.07-1.95%680,392
Feb 11, 202614.9115.0813.9514.3514.35-3.63%490,780
Feb 10, 202614.8615.1114.5614.8914.894.71%753,388
Feb 9, 202613.9514.2513.5814.2214.221.72%494,889
Feb 6, 202613.3514.0813.2713.9813.987.62%933,902
Feb 5, 202613.7614.2012.9412.9912.99-6.41%935,431
Feb 4, 202614.5514.6613.6613.8813.88-4.21%800,250
Feb 3, 202614.7315.5314.1714.4914.49-1.23%1,405,339
Feb 2, 202614.2915.0014.2914.6714.672.66%1,166,473
Jan 30, 202614.7615.0014.0414.2914.29-3.77%2,262,095
Jan 29, 202614.4215.0014.2114.8514.852.38%1,503,756
Jan 28, 202615.4815.7014.4714.5114.51-6.24%972,382
Jan 27, 202615.0015.7914.8515.4715.473.06%1,673,003
Jan 26, 202615.6015.6214.9215.0115.01-4.76%1,541,484
Jan 23, 202616.1616.5315.6315.7615.76-2.90%1,379,348
Jan 22, 202617.0017.4916.1416.2316.23-4.08%2,153,033
Jan 21, 202616.3417.2016.1516.9216.922.24%3,601,429
Jan 20, 202613.9916.8013.9016.5516.5515.73%4,419,454
Jan 16, 202613.5614.6513.4514.3014.305.77%1,714,539
Jan 15, 202614.1314.2613.2213.5213.52-3.91%2,364,917
Jan 14, 202612.6114.1212.5914.0714.0711.67%1,796,811
Jan 13, 202612.3812.6212.0812.6012.601.69%1,227,339
Jan 12, 202612.2212.4712.1812.3912.391.47%1,043,098
Jan 9, 202611.8812.5011.7712.2112.213.21%1,209,522
Jan 8, 202612.1712.1711.4611.8311.83-1.33%2,308,868
Jan 7, 202611.4512.1911.4211.9911.995.36%1,457,523
Jan 6, 202611.3011.4210.8811.3811.38-0.09%2,082,815
Jan 5, 202611.3711.4810.8311.3911.39-0.26%2,101,031
Jan 2, 202612.0012.1111.0611.4211.42-5.46%2,124,694
Dec 31, 202512.0212.1911.7812.0812.080.67%1,964,058
Dec 30, 202512.2212.4311.9212.0012.00-1.56%1,429,719
Dec 29, 202512.2912.5812.0712.1912.19-1.14%1,912,523
Dec 26, 202512.3912.5512.1512.3312.33-1.28%826,260
Dec 24, 202512.6012.6812.2612.4912.491.46%671,572
Dec 23, 202512.4512.8012.1712.3112.31-1.52%1,298,032
Dec 22, 202512.2012.6011.9212.5012.503.99%1,596,504
Dec 19, 202511.9412.3611.9012.0212.020.84%6,196,197
Dec 18, 202511.9312.1711.7911.9211.920.42%1,378,761
Dec 17, 202512.3112.5711.6911.8711.87-3.57%1,673,614
Dec 16, 202512.6712.9312.1612.3112.31-1.99%1,217,563
Dec 15, 202513.2513.4112.4112.5612.56-4.12%1,505,483
Dec 12, 202513.1513.4412.9213.1013.100.23%829,798
Dec 11, 202513.2413.3812.6913.0713.07-1.21%1,808,652
Dec 10, 202513.2513.4012.7813.2313.23-0.08%1,246,168
Dec 9, 202513.7313.9313.1213.2413.24-3.15%1,429,828
Dec 8, 202514.2914.7613.6513.6713.67-3.73%1,036,993
Dec 5, 202514.5415.0614.0914.2014.20-2.00%1,105,691
Dec 4, 202514.0714.6413.9214.4914.491.97%781,740
Dec 3, 202513.8014.4713.5014.2114.213.35%1,001,121