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Alnylam Pharmaceuticals, Inc. (ALNY)
NASDAQ: ALNY · Real-Time Price · USD
320.42
+1.51 (0.47%)
At close: Mar 17, 2026, 4:00 PM EDT
320.14
-0.28 (-0.09%)
After-hours: Mar 17, 2026, 5:43 PM EDT

Alnylam Pharmaceuticals Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Mar 17, 2026319.63326.96317.53320.42320.420.47%1,796,719
Mar 16, 2026311.22319.55311.22318.91318.911.75%1,227,121
Mar 13, 2026319.00319.50309.92313.41313.41-1.20%828,858
Mar 12, 2026320.53321.00309.61317.23317.23-1.00%1,247,275
Mar 11, 2026322.00323.71317.75320.43320.43-0.60%906,551
Mar 10, 2026325.60326.18317.03322.38322.38-0.37%1,126,036
Mar 9, 2026317.25323.68313.12323.59323.590.91%1,081,124
Mar 6, 2026317.73321.17312.09320.66320.660.05%996,497
Mar 5, 2026323.69328.28319.51320.51320.51-2.07%1,215,172
Mar 4, 2026319.20328.00317.25327.30327.302.71%931,151
Mar 3, 2026321.37324.06315.20318.65318.65-1.97%947,625
Mar 2, 2026329.41334.42323.16325.07325.07-2.36%1,302,332
Feb 27, 2026331.24334.80328.39332.92332.920.51%1,569,839
Feb 26, 2026328.67333.47322.00331.24331.241.19%880,311
Feb 25, 2026332.76334.42325.24327.36327.36-1.65%751,722
Feb 24, 2026328.22333.07324.48332.85332.851.06%791,573
Feb 23, 2026335.73341.39326.76329.35329.35-2.03%792,033
Feb 20, 2026336.58345.90335.83336.19336.19-0.94%1,375,285
Feb 19, 2026332.24339.61326.33339.37339.372.01%1,152,962
Feb 18, 2026328.86335.80324.53332.68332.680.02%1,151,205
Feb 17, 2026316.80336.21315.63332.61332.615.79%1,516,389
Feb 13, 2026302.55318.44302.55314.40314.401.92%1,476,326
Feb 12, 2026314.42315.51298.00308.48308.48-4.28%2,897,726
Feb 11, 2026322.14325.04317.80322.28322.28-0.22%1,582,249
Feb 10, 2026322.68325.98317.89322.98322.980.93%1,865,664
Feb 9, 2026325.49329.92319.26320.00320.00-2.49%1,392,019
Feb 6, 2026331.61340.07326.51328.16328.16-0.93%1,476,914
Feb 5, 2026350.50350.50327.27331.24331.24-5.89%2,620,979
Feb 4, 2026354.00355.49347.08351.96351.960.05%1,779,461
Feb 3, 2026338.49352.82337.59351.80351.803.74%2,152,860
Feb 2, 2026337.42342.33333.00339.11339.110.31%1,911,150
Jan 30, 2026343.10346.50336.39338.06338.06-2.52%1,648,568
Jan 29, 2026349.37350.34345.01346.79346.79-0.80%1,682,030
Jan 28, 2026353.66356.84348.00349.58349.58-1.46%1,099,190
Jan 27, 2026361.55368.07354.69354.75354.75-1.83%988,087
Jan 26, 2026357.98364.07352.50361.35361.350.94%936,370
Jan 23, 2026368.20371.33356.72357.98357.98-3.25%1,636,801
Jan 22, 2026365.50376.87363.36370.00370.001.24%1,875,372
Jan 21, 2026353.01366.00351.55365.46365.462.79%1,523,470
Jan 20, 2026350.70355.74347.77355.53355.53-1.04%1,722,679
Jan 16, 2026362.29367.20355.46359.27359.27-1,527,370
Jan 15, 2026368.54372.82356.83359.26359.26-2.07%911,176
Jan 14, 2026369.95371.71359.95366.86366.86-0.84%1,250,044
Jan 13, 2026369.10376.88366.92369.96369.96-0.26%1,625,677
Jan 12, 2026377.82378.61353.52370.91370.91-6.87%3,808,067
Jan 9, 2026399.40409.58392.56398.29398.29-0.28%1,440,224
Jan 8, 2026420.18425.19393.48399.40399.40-5.47%1,400,657
Jan 7, 2026405.51427.05405.51422.50422.503.96%1,426,278
Jan 6, 2026396.23409.18384.42406.40406.402.15%1,612,994
Jan 5, 2026397.57400.00383.84397.83397.83-0.58%1,093,965