Atara Biotherapeutics, Inc. (ATRA) NASDAQ

Currency In USD

ATRA Historical Return

If you invested $1000 in Atara Biotherapeutics, Inc. (ATRA) 10 years ago, it would be worth $17.53 as of September 12, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $23.35, while $1000 invested 1 year ago would be worth $773.93. This corresponds to total returns of -98.25%, -97.67%, -22.61%, respectively, with annualized returns of -33.25%, -52.83%, -22.61%.

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

ATRA Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 11, 2026	10	9.38	9.38	10	9.35	16,024
September 10, 2026	9.94	9.89	9.89	9.94	9.52	23,204
September 09, 2026	10.27	9.91	9.91	10.43	9.76	68,506
September 08, 2026	10.6	10.23	10.23	11.33	10.23	106,737
September 04, 2026	9.45	9.76	9.76	9.95	9.25	132,728
September 03, 2026	9.49	9.53	9.53	9.53	9.03	25,276
September 02, 2026	9.08	9.44	9.44	9.48	9.08	20,898
September 01, 2026	8.96	9.02	9.02	9.18	8.8	51,944
August 31, 2026	9.09	8.9	8.9	9.29	8.83	30,241
August 28, 2026	9.18	9.2	9.2	9.21	8.9	15,345
August 27, 2026	9.38	9.25	9.25	9.6	9.16	26,949
August 26, 2026	9.65	9.38	9.38	9.84	9.38	63,701
August 25, 2026	9.57	9.84	9.84	10.02	9.54	48,512
August 24, 2026	9.57	9.46	9.46	9.66	9.31	23,966
August 21, 2026	9.46	9.7	9.7	9.89	9.15	27,085
August 20, 2026	9.6	9.38	9.38	9.74	9.14	28,018
August 19, 2026	8.85	9.6	9.6	9.74	8.28	0
August 18, 2026	8.34	8.72	8.72	8.9	8.34	29,489
August 17, 2026	8	8.36	8.36	8.48	7.81	65,964
August 14, 2026	8.51	8.09	8.09	8.51	7.99	66,247
August 13, 2026	8.34	8.51	8.51	9.24	7.73	0
August 12, 2026	8.88	9.23	9.23	9.43	8.7	0
August 11, 2026	8.62	8.94	8.94	9.04	8.36	29,234
August 10, 2026	8.42	8.61	8.61	8.8	8.09	45,317
August 07, 2026	8.3	8.45	8.45	8.49	8.2	22,740
August 06, 2026	8.6	8.25	8.25	8.65	8.09	22,852
August 05, 2026	8.6	8.54	8.54	8.98	8.38	32,523
August 04, 2026	8.55	8.77	8.77	9.11	8.55	42,283
August 03, 2026	8.42	8.55	8.55	8.66	8.26	53,225
July 31, 2026	8.17	8.38	8.38	8.67	7.86	34,490
July 30, 2026	8.18	8.17	8.17	8.32	7.86	96,041
July 29, 2026	7.74	8.06	8.06	8.25	7.57	39,846
July 28, 2026	7.76	7.81	7.81	7.91	7.39	85,370
July 27, 2026	8.06	7.71	7.71	8.33	7.65	62,723
July 23, 2026	7.92	8.17	8.17	8.36	7.81	46,521
July 22, 2026	8.61	8.13	8.13	8.61	8.02	28,910
July 21, 2026	8.37	8.63	8.63	8.68	8.23	48,279
July 20, 2026	8.29	8.29	8.29	8.83	8.09	59,221
July 17, 2026	8.24	8.39	8.39	8.82	8.1	81,340
July 16, 2026	8.68	8.72	8.72	8.83	8.38	40,116
July 15, 2026	8.04	8.55	8.55	8.6	8.04	73,446
July 14, 2026	8.59	8.04	8.04	8.81	7.91	202,775
July 13, 2026	9.61	8.67	8.67	9.61	8.56	136,338
July 10, 2026	10.06	9.76	9.76	10.06	9.36	66,882
July 09, 2026	9.59	9.95	9.95	10.15	9.48	49,368
July 08, 2026	10.04	9.65	9.65	10.38	9.5	206,761
July 07, 2026	10.96	10.26	10.26	10.96	10.26	49,325
July 06, 2026	11.67	10.88	10.88	11.86	10.75	80,380
July 02, 2026	11.5	11.65	11.65	12	11.41	31,652
July 01, 2026	11.47	11.37	11.37	11.86	11.11	35,510
June 30, 2026	11.11	11.48	11.48	11.63	11.01	106,737
June 29, 2026	10.6	11.17	11.17	11.18	10.47	59,825
June 26, 2026	10.2	10.51	10.51	10.71	10.15	45,295
June 25, 2026	10.58	10.22	10.22	11.21	10.13	67,562
June 24, 2026	11.12	10.55	10.55	11.12	10.46	49,614
June 23, 2026	10.43	11.16	11.16	11.55	10.43	104,264
June 22, 2026	9.93	10.61	10.61	10.71	9.66	95,156
June 18, 2026	9.89	10.07	10.07	10.32	9.57	144,862
June 17, 2026	9.73	9.67	9.67	10.1	9.41	122,163
June 16, 2026	9.92	9.62	9.62	9.98	9.21	126,095