NASDAQ:AMLX | Historical Stock Price | Amylyx Pharmaceuticals, Inc.

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
2022-01-07 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$1.57$3.04$5.89$11.43$22.16$42.982022-01-072026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

View year

Historical Stock Price — 2025

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2025-12-31$12.08$12.081,964,100
2025-12-30$12.00$12.001,429,700
2025-12-29$12.19$12.191,912,500
2025-12-26$12.33$12.33826,300
2025-12-24$12.49$12.49671,600
2025-12-23$12.31$12.311,297,900
2025-12-22$12.50$12.501,596,500
2025-12-19$12.02$12.026,196,200
2025-12-18$11.92$11.921,378,800
2025-12-17$11.87$11.871,673,600
2025-12-16$12.31$12.311,217,600
2025-12-15$12.56$12.561,505,300
2025-12-12$13.10$13.10829,800
2025-12-11$13.07$13.071,808,700
2025-12-10$13.23$13.231,246,200
2025-12-09$13.24$13.241,429,800
2025-12-08$13.67$13.671,037,000
2025-12-05$14.20$14.201,105,700
2025-12-04$14.49$14.49781,700
2025-12-03$14.21$14.211,001,100
2025-12-02$13.75$13.75656,700
2025-12-01$14.24$14.24978,900
2025-11-28$14.98$14.98421,400
2025-11-26$15.00$15.00955,600
2025-11-25$14.88$14.88896,100
2025-11-24$14.82$14.823,192,400
2025-11-21$14.67$14.671,303,600
2025-11-20$13.57$13.571,030,600
2025-11-19$14.32$14.321,481,300
2025-11-18$13.95$13.951,288,600
2025-11-17$13.98$13.982,169,000
2025-11-14$12.69$12.691,563,200
2025-11-13$12.42$12.421,053,000
2025-11-12$12.33$12.331,295,900
2025-11-11$12.68$12.681,333,200
2025-11-10$12.18$12.183,111,400
2025-11-07$12.31$12.311,901,600
2025-11-06$12.46$12.462,440,700
2025-11-05$13.24$13.241,695,100
2025-11-04$13.74$13.74915,300
2025-11-03$13.60$13.60891,100
2025-10-31$13.93$13.931,015,700
2025-10-30$14.05$14.051,242,700
2025-10-29$13.89$13.891,308,000
2025-10-28$14.32$14.321,263,700
2025-10-27$14.23$14.231,451,200
2025-10-24$14.17$14.17860,700
2025-10-23$14.31$14.312,094,300
2025-10-22$14.82$14.821,341,700
2025-10-21$15.29$15.292,754,400
2025-10-20$15.37$15.371,616,100
2025-10-17$14.95$14.951,883,900
2025-10-16$15.17$15.171,640,100
2025-10-15$15.79$15.793,284,500
2025-10-14$14.19$14.19651,000
2025-10-13$14.12$14.121,616,600
2025-10-10$14.26$14.261,888,300
2025-10-09$14.47$14.472,675,600
2025-10-08$13.48$13.481,192,100
2025-10-07$13.49$13.491,831,400
2025-10-06$12.69$12.691,890,900
2025-10-03$13.42$13.421,203,400
2025-10-02$13.29$13.293,330,600
2025-10-01$14.00$14.001,762,700
2025-09-30$13.59$13.593,143,900
2025-09-29$14.90$14.902,050,100
2025-09-26$14.52$14.522,848,300
2025-09-25$13.82$13.821,479,900
2025-09-24$13.88$13.881,364,800
2025-09-23$13.48$13.48919,400
2025-09-22$13.31$13.311,381,300
2025-09-19$13.31$13.313,598,300
2025-09-18$13.25$13.251,674,000
2025-09-17$12.77$12.772,281,500
2025-09-16$11.96$11.961,286,300
2025-09-15$11.85$11.851,996,700
2025-09-12$11.65$11.652,150,000
2025-09-11$11.84$11.842,633,400
2025-09-10$11.83$11.836,964,100
2025-09-09$10.51$10.51963,600
2025-09-08$10.44$10.441,396,800
2025-09-05$10.20$10.201,752,300
2025-09-04$9.95$9.95753,100
2025-09-03$9.84$9.841,638,500
2025-09-02$9.98$9.982,667,900
2025-08-29$9.38$9.381,675,900
2025-08-28$9.42$9.421,494,200
2025-08-27$9.45$9.452,120,800
2025-08-26$9.16$9.16953,000
2025-08-25$8.50$8.502,061,400
2025-08-22$9.30$9.302,719,600
2025-08-21$8.43$8.431,255,600
2025-08-20$8.03$8.031,195,800
2025-08-19$7.82$7.82858,600
2025-08-18$7.99$7.991,299,800
2025-08-15$8.00$8.00782,200
2025-08-14$8.41$8.41540,700
2025-08-13$8.30$8.30686,800
2025-08-12$8.20$8.20737,700
2025-08-11$7.82$7.82593,900
2025-08-08$7.64$7.64880,300
2025-08-07$7.84$7.841,082,500
2025-08-06$8.19$8.19957,300
2025-08-05$8.18$8.18855,100
2025-08-04$7.96$7.96926,400
2025-08-01$7.72$7.721,838,700
2025-07-31$8.03$8.031,158,800
2025-07-30$7.97$7.97980,600
2025-07-29$7.95$7.95897,900
2025-07-28$7.99$7.99695,500
2025-07-25$8.15$8.151,065,800
2025-07-24$8.30$8.30682,800
2025-07-23$8.39$8.391,845,700
2025-07-22$7.87$7.871,047,600
2025-07-21$8.21$8.211,867,500
2025-07-18$8.34$8.341,127,800
2025-07-17$8.28$8.281,321,000
2025-07-16$8.43$8.432,036,400
2025-07-15$8.12$8.122,000,800
2025-07-14$8.41$8.412,341,000
2025-07-11$7.68$7.681,682,700
2025-07-10$7.39$7.391,582,900
2025-07-09$7.24$7.242,000,600
2025-07-08$6.98$6.982,241,100
2025-07-07$6.76$6.762,317,100
2025-07-03$6.30$6.301,377,600
2025-07-02$6.57$6.572,023,100
2025-07-01$6.41$6.412,046,300
2025-06-30$6.41$6.412,156,500
2025-06-27$6.33$6.3311,969,800
2025-06-26$6.50$6.501,177,900
2025-06-25$6.26$6.261,807,700
2025-06-24$6.41$6.414,216,100
2025-06-23$5.02$5.02822,700
2025-06-20$5.05$5.051,399,300
2025-06-18$5.10$5.10908,500
2025-06-17$5.33$5.33953,100
2025-06-16$5.44$5.44948,300
2025-06-13$5.52$5.52890,300
2025-06-12$5.52$5.521,040,900
2025-06-11$5.42$5.42876,600
2025-06-10$5.76$5.761,394,900
2025-06-09$5.44$5.44605,300
2025-06-06$5.33$5.33785,000
2025-06-05$5.05$5.05697,100
2025-06-04$4.92$4.92549,100
2025-06-03$5.12$5.121,008,900
2025-06-02$5.10$5.10798,900
2025-05-30$5.15$5.151,390,800
2025-05-29$4.90$4.90550,800
2025-05-28$4.79$4.79539,800
2025-05-27$4.72$4.721,024,500
2025-05-23$5.31$5.31906,500
2025-05-22$5.36$5.36917,000
2025-05-21$5.43$5.43755,600
2025-05-20$5.52$5.521,583,200
2025-05-19$5.36$5.361,997,100
2025-05-16$4.84$4.84799,500
2025-05-15$4.52$4.52446,300
2025-05-14$4.35$4.35479,700
2025-05-13$4.49$4.49907,200
2025-05-12$4.60$4.601,066,900
2025-05-09$4.61$4.61990,000
2025-05-08$4.58$4.582,093,400
2025-05-07$4.87$4.872,507,200
2025-05-06$4.65$4.651,234,800
2025-05-05$5.15$5.15614,600
2025-05-02$5.32$5.32759,900
2025-05-01$5.14$5.141,474,200
2025-04-30$5.11$5.111,042,100
2025-04-29$4.90$4.90546,900
2025-04-28$5.01$5.01547,100
2025-04-25$5.36$5.36666,600
2025-04-24$5.24$5.24454,500
2025-04-23$5.06$5.061,083,100
2025-04-22$4.92$4.921,938,100
2025-04-21$4.23$4.23895,500
2025-04-17$3.98$3.98724,300
2025-04-16$3.82$3.82495,500
2025-04-15$3.88$3.88404,300
2025-04-14$3.90$3.901,493,900
2025-04-11$3.65$3.65562,200
2025-04-10$3.49$3.49462,000
2025-04-09$3.49$3.491,105,900
2025-04-08$3.31$3.31525,000
2025-04-07$3.46$3.461,169,300
2025-04-04$3.43$3.43914,200
2025-04-03$3.51$3.51721,300
2025-04-02$3.78$3.78772,000
2025-04-01$3.34$3.341,533,600
2025-03-31$3.54$3.541,061,400
2025-03-28$3.66$3.66515,400
2025-03-27$3.87$3.87711,900
2025-03-26$3.81$3.81432,100
2025-03-25$3.78$3.78701,100
2025-03-24$3.78$3.78402,400
2025-03-21$3.65$3.651,505,500
2025-03-20$3.73$3.73366,500
2025-03-19$3.65$3.65359,800
2025-03-18$3.64$3.64560,200
2025-03-17$3.75$3.75421,600
2025-03-14$3.63$3.62517,100
2025-03-13$3.67$3.67633,100
2025-03-12$3.91$3.911,342,400
2025-03-11$3.73$3.73829,300
2025-03-10$3.49$3.49782,200
2025-03-07$3.87$3.871,926,500
2025-03-06$3.61$3.61920,700
2025-03-05$3.36$3.36749,900
2025-03-04$3.01$3.011,708,600
2025-03-03$3.00$3.001,300,100
2025-02-28$3.28$3.28277,900
2025-02-27$3.16$3.16364,300
2025-02-26$3.20$3.20684,200
2025-02-25$3.06$3.06718,800
2025-02-24$3.00$3.00936,700
2025-02-21$3.30$3.30492,200
2025-02-20$3.52$3.52497,500
2025-02-19$3.52$3.52437,600
2025-02-18$3.56$3.56667,000
2025-02-14$3.72$3.72374,300
2025-02-13$3.59$3.59330,900
2025-02-12$3.53$3.53654,200
2025-02-11$3.40$3.40656,600
2025-02-10$3.74$3.74848,500
2025-02-07$3.80$3.80658,200
2025-02-06$3.75$3.75815,600
2025-02-05$3.69$3.691,582,000
2025-02-04$3.62$3.621,003,200
2025-02-03$3.42$3.42846,300
2025-01-31$3.65$3.651,391,800
2025-01-30$3.51$3.51402,000
2025-01-29$3.46$3.46504,100
2025-01-28$3.45$3.451,216,000
2025-01-27$3.49$3.49783,400
2025-01-24$3.60$3.60806,000
2025-01-23$3.56$3.56557,700
2025-01-22$3.48$3.48810,600
2025-01-21$3.45$3.453,199,800
2025-01-17$3.60$3.60886,100
2025-01-16$3.50$3.501,256,200
2025-01-15$3.37$3.371,150,900
2025-01-14$3.13$3.131,161,500
2025-01-13$3.18$3.181,364,300
2025-01-10$3.50$3.501,618,100
2025-01-08$3.77$3.77289,200
2025-01-07$3.84$3.84398,000
2025-01-06$3.92$3.92489,600
2025-01-03$4.15$4.15438,200
2025-01-02$3.91$3.91527,900