BRAIN Biotech AG (BNN.DE) XETRA

Currency In EUR

BNN.DE Historical Return

If you invested €1000 in BRAIN Biotech AG (BNN.DE) 10 years ago, it would be worth €311.76 as of August 22, 2026, based on a reinvested dividends scenario. Over the same period, a €1000 investment made 5 years ago would be worth €246.51, while €1000 invested 1 year ago would be worth €1,267.94. This corresponds to total returns of -68.82%, -75.35%, 26.79%, respectively, with annualized returns of -11%, -24.43%, 26.79%.

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

BNN.DE Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
August 21, 2026	2.78	2.65	2.65	2.78	2.65	18,513
August 20, 2026	3.05	2.83	2.83	3.05	2.78	371
August 19, 2026	2.89	2.84	2.84	2.89	2.84	1
August 18, 2026	2.87	2.87	2.87	2.87	2.87	800
August 17, 2026	2.85	2.88	2.88	2.88	2.85	852
August 14, 2026	2.8	2.83	2.83	2.83	2.76	500
August 13, 2026	2.76	2.8	2.8	2.8	2.76	182
August 12, 2026	2.8	2.8	2.8	2.8	2.8	158
August 11, 2026	2.78	2.81	2.81	2.85	2.76	1,109
August 10, 2026	2.78	2.83	2.83	2.88	2.78	456
August 07, 2026	3	2.78	2.78	3	2.78	1,008
August 06, 2026	2.78	2.83	2.83	2.89	2.78	385
August 05, 2026	3.05	2.89	2.89	3.05	2.89	299
August 04, 2026	2.9	2.83	2.83	2.9	2.78	999
August 03, 2026	2.95	2.9	2.9	3.04	2.8	16,696
July 31, 2026	2.76	2.91	2.91	2.91	2.76	10,321
July 30, 2026	2.82	2.76	2.76	2.82	2.76	5,720
July 29, 2026	2.72	2.75	2.75	2.8	2.7	4,295
July 28, 2026	2.72	2.72	2.72	2.72	2.72	111
July 27, 2026	2.73	2.78	2.78	2.78	2.73	3,249
July 24, 2026	2.85	2.78	2.78	2.85	2.71	2,138
July 23, 2026	2.82	2.78	2.78	2.84	2.75	4,317
July 22, 2026	2.96	2.82	2.82	2.96	2.82	827
July 21, 2026	2.97	2.89	2.89	2.97	2.89	177
July 20, 2026	3	2.85	2.85	3	2.85	54
July 17, 2026	2.92	2.76	2.76	2.92	2.71	701
July 16, 2026	2.74	2.78	2.78	2.78	2.73	510
July 15, 2026	2.92	2.79	2.79	2.92	2.73	806
July 14, 2026	2.92	2.92	2.92	2.92	2.92	132
July 13, 2026	2.73	2.92	2.92	2.92	2.73	10,050
July 10, 2026	2.88	2.82	2.82	2.89	2.81	12,587
July 09, 2026	2.9	2.91	2.91	2.91	2.9	4
July 08, 2026	2.85	2.81	2.81	2.92	2.6	1,095
July 07, 2026	2.9	2.84	2.84	2.9	2.67	1,116
July 06, 2026	2.75	2.71	2.71	2.89	2.6	23,029
July 03, 2026	2.93	2.92	2.92	2.93	2.92	19
July 02, 2026	3.02	2.9	2.9	3.02	2.82	1,707
July 01, 2026	2.96	2.86	2.86	3.04	2.83	3,843
June 30, 2026	2.87	2.95	2.95	2.95	2.87	2,714
June 29, 2026	2.76	2.8	2.8	2.86	2.76	3,321
June 26, 2026	2.78	2.78	2.78	2.78	2.78	3,000
June 25, 2026	2.87	2.82	2.82	2.87	2.82	1,000
June 24, 2026	2.83	2.83	2.83	2.83	2.77	6,355
June 23, 2026	2.82	2.83	2.83	2.83	2.8	301
June 22, 2026	2.95	2.84	2.84	2.95	2.83	838
June 19, 2026	2.98	2.9	2.9	2.98	2.9	608
June 18, 2026	2.9	2.9	2.9	2.9	2.9	1,501
June 17, 2026	2.84	2.95	2.95	2.95	2.84	1,679
June 16, 2026	2.88	2.86	2.86	2.88	2.86	350
June 15, 2026	2.9	2.84	2.84	2.95	2.83	11,354
June 12, 2026	2.9	2.89	2.89	2.9	2.8	262
June 11, 2026	2.92	2.71	2.71	2.92	2.71	5,460
June 10, 2026	2.73	2.73	2.73	2.73	2.73	1,658
June 09, 2026	2.84	2.75	2.75	2.87	2.75	1,658
June 08, 2026	3.08	2.87	2.87	3.08	2.87	2,291
June 05, 2026	2.9	2.87	2.87	3.04	2.84	1,828
June 04, 2026	2.9	2.93	2.93	2.93	2.9	1,542
June 03, 2026	2.9	2.98	2.98	2.98	2.9	4,811
June 02, 2026	2.9	3	3	3	2.9	954
June 01, 2026	3.13	3.01	3.01	3.13	3.01	462