Alnylam Pharmaceuticals, Inc. (ALNY) NASDAQ

Currency In USD

ALNY Historical Return

If you invested $1000 in Alnylam Pharmaceuticals, Inc. (ALNY) 10 years ago, it would be worth $3,116.77 as of August 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,190.63, while $1000 invested 1 year ago would be worth $532.46. This corresponds to total returns of 211.68%, 19.06%, -46.75%, respectively, with annualized returns of 12.03%, 3.55%, -46.75%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

ALNY Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
August 21, 2026	228.88	236.22	236.22	238.97	228.34	1.88M
August 20, 2026	239	229.3	229.3	240.88	228.74	1.69M
August 19, 2026	234.36	242.61	242.61	244.03	233.4	1.86M
August 18, 2026	226.27	228.61	228.61	230.91	222.01	1.56M
August 17, 2026	225.76	224.6	224.6	227.99	222.12	1.38M
August 14, 2026	223.52	228.65	228.65	228.98	220.23	1.52M
August 13, 2026	225.95	227.12	227.12	227.54	222.7	1.43M
August 12, 2026	219	223.95	223.95	224.66	219	1.39M
August 11, 2026	217.41	221.2	221.2	223.44	216.5	1.43M
August 10, 2026	218	216.98	216.98	223.5	215.61	1.4M
August 07, 2026	217.31	219.2	219.2	219.64	210.49	1.7M
August 06, 2026	228.58	216.12	216.12	234	212.98	2.26M
August 05, 2026	221.74	228.72	228.72	229.65	221.5	2.73M
August 04, 2026	220.33	219	219	222.59	215.07	3.1M
August 03, 2026	208.04	220.33	220.33	220.49	208.04	3.32M
July 31, 2026	205.46	205.52	205.52	207.99	200.11	4.47M
July 30, 2026	225.02	205.48	205.48	230	197.81	9.76M
July 29, 2026	288.09	286.62	286.62	290.6	284.15	1.29M
July 28, 2026	282.79	288.41	288.41	290.47	281.23	1.44M
July 27, 2026	272.66	278.4	278.4	284.68	272.66	1.39M
July 24, 2026	268.74	271.77	271.77	275.58	265.64	1.1M
July 23, 2026	265.95	268.74	268.74	269.22	262.21	1.14M
July 22, 2026	270.84	266.99	266.99	273.71	264.21	1.1M
July 21, 2026	272.4	271.37	271.37	278.3	270.01	948,255
July 20, 2026	267.55	272.67	272.67	275.25	266.27	1.33M
July 17, 2026	280.99	267.47	267.47	284.36	266.43	1.38M
July 16, 2026	279.65	283.15	283.15	286.6	273.78	1.43M
July 15, 2026	281.7	279.14	279.14	284.8	275.84	1.28M
July 14, 2026	283.55	281.26	281.26	286.76	279.43	1.09M
July 13, 2026	298.01	288.06	288.06	298.76	279.41	2.6M
July 10, 2026	314.71	298.76	298.76	322.49	293.78	2.53M
July 09, 2026	378.49	312.79	312.79	380	311.1	5.86M
July 08, 2026	318.5	323.5	323.5	325.37	316.77	884,566
July 07, 2026	317.07	321.59	321.59	321.98	315.35	979,946
July 06, 2026	319.34	313.04	313.04	319.34	307.13	891,756
July 02, 2026	303.87	312.78	312.78	317.17	303	1.09M
July 01, 2026	304.54	301.67	301.67	309.27	301.5	1.07M
June 30, 2026	296.82	301.03	301.03	302.74	295.18	1.41M
June 29, 2026	296.97	293.52	293.52	298.27	291.9	1.36M
June 26, 2026	297.57	291.37	291.37	302.96	290.37	1.43M
June 25, 2026	293.68	293.17	293.17	298.35	290.07	1.13M
June 24, 2026	290.95	294.06	294.06	303.46	288.85	1.3M
June 23, 2026	290.89	288.18	288.18	291.95	285.26	1.04M
June 22, 2026	278.42	286.41	286.41	286.67	278.17	1.42M
June 18, 2026	280.11	278.09	278.09	282.98	273.11	2.16M
June 17, 2026	281.31	282.72	282.72	288	277.78	1.32M
June 16, 2026	288.13	281.9	281.9	288.48	276.94	1.21M
June 15, 2026	282.92	287.8	287.8	288.11	281.36	1.1M
June 12, 2026	288.96	282.85	282.85	291.28	281.77	1.41M
June 11, 2026	290.7	289.39	289.39	292.98	285.22	1.05M
June 10, 2026	297.69	291.22	291.22	299.7	290.53	927,179
June 09, 2026	297.31	297.69	297.69	302.85	293.97	1.26M
June 08, 2026	303.11	292.16	292.16	303.57	285.54	1.65M
June 05, 2026	306.34	303.05	303.05	306.73	300.5	986,205
June 04, 2026	297.22	303.64	303.64	310.53	293.85	1.08M
June 03, 2026	284.48	292.58	292.58	293.16	283.1	951,079
June 02, 2026	293.94	286.12	286.12	295.6	285	1.04M
June 01, 2026	299.51	295.63	295.63	303.98	295.13	1.03M
May 29, 2026	302.43	301.98	301.98	305.68	297.62	2.27M
May 28, 2026	293	305.06	305.06	305.98	291.84	1.02M