Alector, Inc. (ALEC) NASDAQ

Currency In USD

ALEC Historical Return

If you invested $1000 in Alector, Inc. (ALEC) since IPO date, it would be worth $98.45 as of June 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $85.33, while $1000 invested 1 year ago would be worth $1,289.86. This corresponds to total returns of -90.15%, -91.47%, 28.99%, respectively, with annualized returns of -26.96%, -38.86%, 28.99%.

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

ALEC Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
June 22, 2026	1.76	1.78	1.78	1.92	1.72	1.59M
June 18, 2026	1.58	1.75	1.75	1.77	1.57	1.11M
June 17, 2026	1.55	1.56	1.56	1.6	1.53	496,015
June 16, 2026	1.47	1.54	1.54	1.55	1.41	712,030
June 15, 2026	1.56	1.48	1.48	1.6	1.46	629,572
June 12, 2026	1.58	1.53	1.53	1.61	1.53	263,829
June 11, 2026	1.52	1.57	1.57	1.74	1.49	428,202
June 10, 2026	1.69	1.52	1.52	1.69	1.49	428,846
June 09, 2026	1.64	1.63	1.63	1.68	1.59	439,473
June 08, 2026	1.65	1.64	1.64	1.67	1.57	667,751
June 05, 2026	1.84	1.64	1.64	1.84	1.63	0
June 04, 2026	1.79	1.81	1.81	1.92	1.79	449,391
June 03, 2026	1.92	1.77	1.77	1.94	1.71	1.69M
June 02, 2026	2.04	1.95	1.95	2.07	1.92	1.56M
June 01, 2026	2.16	2.07	2.07	2.16	2.07	705,789
May 29, 2026	2.15	2.16	2.16	2.25	2.05	992,756
May 28, 2026	2.21	2.15	2.15	2.24	2.1	1.3M
May 27, 2026	2.2	2.21	2.21	2.28	2.17	426,608
May 26, 2026	2.21	2.19	2.19	2.32	2.12	480,470
May 22, 2026	2.22	2.21	2.21	2.27	2.17	328,072
May 21, 2026	2.11	2.21	2.21	2.24	2.01	929,675
May 20, 2026	2.11	2.12	2.12	2.24	2.11	898,476
May 19, 2026	2.05	2.11	2.11	2.16	2.02	787,751
May 18, 2026	2.13	2.12	2.12	2.18	2.05	814,451
May 15, 2026	2.24	2.16	2.16	2.29	2.14	1.1M
May 14, 2026	2.24	2.3	2.3	2.37	2.2	783,208
May 13, 2026	2.12	2.15	2.15	2.21	2.09	459,086
May 12, 2026	2.03	2.16	2.16	2.21	2.03	437,289
May 11, 2026	2.1	2.05	2.05	2.2	2.01	389,060
May 08, 2026	2.12	2.1	2.1	2.33	2.09	718,787
May 07, 2026	2.56	2.44	2.44	2.56	2.41	276,427
May 06, 2026	2.58	2.57	2.57	2.7	2.57	417,635
May 05, 2026	2.54	2.57	2.57	2.62	2.53	361,174
May 04, 2026	2.35	2.51	2.51	2.55	2.35	447,545
May 01, 2026	2.33	2.36	2.36	2.38	2.29	379,800
April 30, 2026	2.29	2.37	2.37	2.44	2.15	713,181
April 29, 2026	2.36	2.3	2.3	2.38	2.27	341,552
April 28, 2026	2.35	2.39	2.39	2.42	2.35	297,067
April 27, 2026	2.41	2.35	2.35	2.47	2.33	592,893
April 24, 2026	2.42	2.41	2.41	2.53	2.36	320,542
April 23, 2026	2.52	2.43	2.43	2.52	2.38	303,384
April 22, 2026	2.48	2.45	2.45	2.7	2.37	1.42M
April 21, 2026	2.7	2.46	2.46	2.73	2.45	298,042
April 20, 2026	2.56	2.71	2.71	2.74	2.56	324,764
April 17, 2026	2.62	2.57	2.57	2.62	2.49	342,943
April 16, 2026	2.52	2.55	2.55	2.67	2.47	560,125
April 15, 2026	2.53	2.58	2.58	2.61	2.5	537,968
April 14, 2026	2.35	2.41	2.41	2.44	2.34	393,996
April 13, 2026	2.44	2.33	2.33	2.44	2.28	362,210
April 10, 2026	2.4	2.45	2.45	2.53	2.4	572,970
April 09, 2026	2.38	2.4	2.4	2.42	2.34	278,536
April 08, 2026	2.58	2.42	2.42	2.6	2.38	339,818
April 07, 2026	2.34	2.47	2.47	2.49	2.3	562,115
April 06, 2026	2.41	2.35	2.35	2.49	2.33	582,329
April 02, 2026	2.45	2.41	2.41	2.52	2.13	1.32M
April 01, 2026	2.18	2.53	2.53	2.64	2.16	3.3M
March 31, 2026	2.03	2.15	2.15	2.19	2.03	351,554
March 30, 2026	2.02	2.02	2.02	2.05	1.95	384,066
March 27, 2026	2.09	2	2	2.15	1.98	466,450
March 26, 2026	2.03	2.12	2.12	2.17	2.03	378,178