Alnylam Pharmaceuticals Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Apr 27, 2026	303.87	314.17	303.70	314.46	-	2.92%	252,778
Apr 24, 2026	309.63	311.10	302.90	305.54	305.54	-2.63%	817,025
Apr 23, 2026	313.59	315.83	310.79	313.79	313.79	1.03%	585,386
Apr 22, 2026	308.43	312.69	307.85	310.58	310.58	0.70%	1,003,575
Apr 21, 2026	307.32	310.50	301.63	308.43	308.43	-0.81%	1,453,787
Apr 20, 2026	306.56	312.25	305.00	310.94	310.94	0.41%	911,222
Apr 17, 2026	326.09	326.53	306.00	309.66	309.66	-3.27%	1,494,628
Apr 16, 2026	333.39	333.39	318.93	320.13	320.13	-3.98%	953,507
Apr 15, 2026	341.63	342.23	331.02	333.39	333.39	-1.77%	755,492
Apr 14, 2026	330.81	343.36	330.54	339.41	339.41	1.92%	1,176,074
Apr 13, 2026	320.66	333.56	319.00	333.00	333.00	3.38%	967,588
Apr 10, 2026	323.49	328.93	317.53	322.11	322.11	0.26%	698,623
Apr 9, 2026	325.67	326.90	318.77	321.28	321.28	-1.82%	1,119,233
Apr 8, 2026	327.49	330.30	324.44	327.25	327.25	2.42%	1,024,695
Apr 7, 2026	319.48	322.35	313.54	319.52	319.52	-3.28%	1,305,121
Apr 6, 2026	320.10	335.58	320.10	330.34	330.34	3.60%	1,276,806
Apr 2, 2026	323.03	325.49	315.90	318.85	318.85	-3.01%	872,487
Apr 1, 2026	332.69	335.48	327.59	328.73	328.73	-0.65%	673,304
Mar 31, 2026	319.06	332.48	318.37	330.87	330.87	4.68%	1,352,289
Mar 30, 2026	319.32	321.76	314.21	316.09	316.09	-0.40%	1,223,904
Mar 27, 2026	327.10	329.69	316.85	317.36	317.36	-3.29%	815,901
Mar 26, 2026	328.90	332.81	327.69	328.16	328.16	-0.16%	1,119,781
Mar 25, 2026	313.34	329.48	311.71	328.70	328.70	6.70%	1,139,647
Mar 24, 2026	303.42	308.91	299.62	308.05	308.05	0.45%	1,497,337
Mar 23, 2026	320.77	323.23	304.38	306.66	306.66	-1.77%	1,378,963
Mar 20, 2026	311.05	322.43	311.05	312.17	312.17	0.34%	2,050,765
Mar 19, 2026	316.42	317.61	309.73	311.10	311.10	-1.18%	663,587
Mar 18, 2026	317.50	319.27	312.58	314.80	314.80	-1.75%	1,077,650
Mar 17, 2026	319.63	326.96	317.53	320.42	320.42	0.47%	1,796,943
Mar 16, 2026	311.22	319.55	311.22	318.91	318.91	1.75%	1,247,482
Mar 13, 2026	319.00	319.50	309.92	313.41	313.41	-1.20%	829,276
Mar 12, 2026	320.53	321.00	309.61	317.23	317.23	-1.00%	1,247,315
Mar 11, 2026	322.00	323.71	317.75	320.43	320.43	-0.60%	906,626
Mar 10, 2026	325.60	326.18	317.03	322.38	322.38	-0.37%	1,169,417
Mar 9, 2026	317.25	323.68	313.12	323.59	323.59	0.91%	1,081,127
Mar 6, 2026	317.73	321.17	312.09	320.66	320.66	0.05%	996,497
Mar 5, 2026	323.69	328.28	319.51	320.51	320.51	-2.07%	1,215,172
Mar 4, 2026	319.20	328.00	317.25	327.30	327.30	2.71%	931,151
Mar 3, 2026	321.37	324.06	315.20	318.65	318.65	-1.97%	947,625
Mar 2, 2026	329.41	334.42	323.16	325.07	325.07	-2.36%	1,302,332
Feb 27, 2026	331.24	334.80	328.39	332.92	332.92	0.51%	1,569,839
Feb 26, 2026	328.67	333.47	322.00	331.24	331.24	1.19%	880,311
Feb 25, 2026	332.76	334.42	325.24	327.36	327.36	-1.65%	751,722
Feb 24, 2026	328.22	333.07	324.48	332.85	332.85	1.06%	791,573
Feb 23, 2026	335.73	341.39	326.76	329.35	329.35	-2.03%	792,033
Feb 20, 2026	336.58	345.90	335.83	336.19	336.19	-0.94%	1,375,285
Feb 19, 2026	332.24	339.61	326.33	339.37	339.37	2.01%	1,152,962
Feb 18, 2026	328.86	335.80	324.53	332.68	332.68	0.02%	1,151,205
Feb 17, 2026	316.80	336.21	315.63	332.61	332.61	5.79%	1,516,389
Feb 13, 2026	302.55	318.44	302.55	314.40	314.40	1.92%	1,476,326