Alnylam Pharmaceuticals Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jul 28, 2026	282.79	285.80	281.23	287.02	-	3.10%	93,858
Jul 27, 2026	272.66	284.68	272.66	278.40	278.40	2.44%	1,388,096
Jul 24, 2026	268.74	275.58	265.64	271.77	271.77	1.13%	1,099,596
Jul 23, 2026	265.95	269.22	262.21	268.74	268.74	0.66%	1,140,113
Jul 22, 2026	270.84	273.72	264.21	266.99	266.99	-1.61%	1,104,662
Jul 21, 2026	272.40	278.30	270.01	271.37	271.37	-0.48%	982,811
Jul 20, 2026	267.55	275.25	266.27	272.67	272.67	1.94%	1,359,742
Jul 17, 2026	280.99	284.36	266.43	267.47	267.47	-5.54%	1,378,518
Jul 16, 2026	279.65	286.60	273.78	283.15	283.15	1.44%	1,436,413
Jul 15, 2026	281.70	284.80	275.84	279.14	279.14	-0.75%	1,284,941
Jul 14, 2026	283.55	286.76	279.43	281.26	281.26	-2.36%	1,093,297
Jul 13, 2026	298.01	298.76	279.41	288.06	288.06	-3.58%	2,682,652
Jul 10, 2026	314.71	322.49	293.78	298.76	298.76	-4.49%	2,538,292
Jul 9, 2026	378.49	380.00	311.10	312.79	312.79	-3.31%	5,864,993
Jul 8, 2026	318.50	325.37	316.78	323.50	323.50	0.59%	897,702
Jul 7, 2026	317.07	321.98	315.35	321.59	321.59	2.73%	980,502
Jul 6, 2026	319.34	319.34	307.13	313.04	313.04	0.08%	891,867
Jul 2, 2026	303.87	317.17	303.00	312.78	312.78	3.68%	1,093,526
Jul 1, 2026	304.54	309.28	301.50	301.67	301.67	0.21%	1,070,648
Jun 30, 2026	296.82	302.74	295.18	301.03	301.03	2.56%	1,411,543
Jun 29, 2026	296.97	298.28	291.90	293.52	293.52	0.74%	1,367,343
Jun 26, 2026	297.57	302.96	290.37	291.37	291.37	-0.61%	1,490,610
Jun 25, 2026	293.68	298.35	290.07	293.17	293.17	-0.30%	1,128,203
Jun 24, 2026	290.95	303.46	288.85	294.06	294.06	2.04%	1,299,635
Jun 23, 2026	290.89	291.95	285.26	288.18	288.18	0.62%	1,087,832
Jun 22, 2026	278.42	286.67	278.17	286.41	286.41	2.99%	1,420,699
Jun 18, 2026	280.11	282.98	273.11	278.09	278.09	-1.64%	2,204,703
Jun 17, 2026	281.31	288.00	277.78	282.72	282.72	0.29%	1,322,216
Jun 16, 2026	288.13	288.48	276.94	281.90	281.90	-2.05%	1,213,288
Jun 15, 2026	282.92	288.11	281.36	287.80	287.80	1.75%	1,118,586
Jun 12, 2026	288.96	291.28	281.77	282.85	282.85	-2.26%	1,420,050
Jun 11, 2026	290.70	292.98	285.22	289.39	289.39	-0.63%	1,061,496
Jun 10, 2026	297.69	299.70	290.53	291.22	291.22	-2.17%	927,374
Jun 9, 2026	297.31	302.85	293.97	297.69	297.69	1.89%	1,260,043
Jun 8, 2026	303.11	303.57	285.54	292.16	292.16	-3.59%	1,651,435
Jun 5, 2026	306.34	306.73	300.50	303.05	303.05	-0.19%	1,004,445
Jun 4, 2026	297.22	310.53	293.85	303.64	303.64	3.78%	1,081,496
Jun 3, 2026	284.48	293.16	283.10	292.58	292.58	2.26%	988,833
Jun 2, 2026	293.94	295.60	285.00	286.12	286.12	-3.22%	1,042,633
Jun 1, 2026	299.51	303.98	295.13	295.63	295.63	-2.10%	1,186,174
May 29, 2026	302.43	305.68	297.62	301.98	301.98	-1.01%	2,278,069
May 28, 2026	293.00	305.98	291.84	305.06	305.06	3.19%	1,020,772
May 27, 2026	293.40	299.98	292.91	295.63	295.63	0.04%	629,519
May 26, 2026	299.00	301.09	294.26	295.50	295.50	-0.66%	649,732
May 22, 2026	299.12	303.33	294.99	297.45	297.45	-1.02%	681,308
May 21, 2026	296.64	301.43	293.00	300.51	300.51	0.68%	650,366
May 20, 2026	297.80	300.08	292.10	298.48	298.48	1.42%	799,240
May 19, 2026	289.00	294.93	284.38	294.30	294.30	2.81%	770,339
May 18, 2026	287.14	291.97	285.26	286.27	286.27	-0.25%	873,361
May 15, 2026	294.78	298.00	286.76	286.98	286.98	-2.20%	1,149,640