Skip to main content
logo
Alnylam Pharmaceuticals, Inc. (ALNY)
NASDAQ: ALNY · Real-Time Price · USD
328.81
+0.81 (0.25%)
At close: Jul 25, 2025, 4:00 PM
328.81
0.00 (0.00%)
After-hours: Jul 25, 2025, 4:53 PM EDT

Alnylam Pharmaceuticals Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jul 25, 2025331.50331.50324.55328.81-0.25%666,628
Jul 24, 2025326.35332.19324.30328.00328.000.72%677,122
Jul 23, 2025325.28329.34322.30325.64325.640.11%912,188
Jul 22, 2025321.57326.30320.18325.28325.281.49%1,273,708
Jul 21, 2025324.98328.70320.26320.52320.52-744,530
Jul 18, 2025325.62325.62317.88320.53320.53-1.28%581,322
Jul 17, 2025321.20329.87321.06324.69324.690.58%744,566
Jul 16, 2025314.52323.41311.26322.81322.813.76%1,234,188
Jul 15, 2025316.90316.90309.57311.12311.12-1.47%927,335
Jul 14, 2025314.94319.18313.76315.75315.750.26%629,609
Jul 11, 2025321.12321.12312.96314.94314.94-2.39%1,081,910
Jul 10, 2025322.47324.82319.15322.64322.640.55%489,398
Jul 9, 2025316.87322.68313.74320.87320.871.06%1,039,484
Jul 8, 2025324.13328.99315.81317.50317.50-2.05%972,969
Jul 7, 2025328.24328.24314.10324.13324.13-2.34%1,294,593
Jul 3, 2025330.00333.70327.88331.91331.910.65%431,157
Jul 2, 2025319.62330.00319.40329.77329.772.39%967,743
Jul 1, 2025324.77326.64315.03322.06322.06-1.24%1,240,081
Jun 30, 2025324.77327.21320.57326.09326.091.01%943,623
Jun 27, 2025317.33323.20315.14322.83322.831.44%2,052,212
Jun 26, 2025324.93325.00315.00318.25318.25-1.15%663,904
Jun 25, 2025323.51324.32320.71321.94321.94-0.94%632,571
Jun 24, 2025316.51326.03309.96325.00325.003.79%1,000,030
Jun 23, 2025310.60314.78308.46313.13313.131.11%503,130
Jun 20, 2025313.00314.50308.78309.70309.70-0.84%1,336,971
Jun 18, 2025309.17317.54306.70312.32312.321.17%981,185
Jun 17, 2025305.12309.06303.31308.71308.71-0.02%570,558
Jun 16, 2025306.45309.63302.32308.78308.780.26%520,205
Jun 13, 2025300.97308.02300.97307.99307.991.09%571,872
Jun 12, 2025300.48307.48295.82304.67304.672.04%874,902
Jun 11, 2025303.18303.85298.25298.58298.58-1.28%456,351
Jun 10, 2025303.81308.89301.34302.46302.46-0.51%515,086
Jun 9, 2025303.80306.17297.67304.00304.001.05%609,653
Jun 6, 2025309.00310.22300.27300.83300.83-2.33%954,848
Jun 5, 2025304.55308.53300.75308.00308.000.88%762,007
Jun 4, 2025303.22308.93302.34305.31305.310.51%563,089
Jun 3, 2025306.00307.85301.52303.77303.77-0.76%965,349
Jun 2, 2025303.10307.19299.52306.09306.090.50%1,132,004
May 30, 2025292.45306.00287.20304.56304.563.98%3,116,163
May 29, 2025287.65293.22284.73292.90292.902.57%965,795
May 28, 2025291.07291.54285.55285.56285.56-1.56%905,329
May 27, 2025295.44295.44289.23290.10290.100.05%737,929
May 23, 2025286.39291.22284.19289.96289.960.33%757,018
May 22, 2025290.73291.54284.43289.00289.00-1.22%614,991
May 21, 2025291.50298.23288.74292.58292.580.31%930,234
May 20, 2025292.28292.99288.25291.68291.68-0.06%627,259
May 19, 2025287.44296.80285.41291.86291.862.30%929,467
May 16, 2025281.02289.75280.60285.31285.310.67%1,193,506
May 15, 2025269.53285.00266.18283.40283.405.92%1,264,454
May 14, 2025267.27270.00261.85267.55267.550.26%700,397