If you invested €1000 in BRAIN Biotech AG (BNN.DE) 10 years ago, it would be worth €169.46 as of November 11, 2026, based on a reinvested dividends scenario. Over the same period, a €1000 investment made 5 years ago would be worth €253, while €1000 invested 1 year ago would be worth €1,067.51. This corresponds to total returns of -83.05%, -74.7%, 6.75%, respectively, with annualized returns of -16.26%, -24.02%, 6.75%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| November 10, 2026 | 2.66 | 2.63 | 2.63 | 2.68 | 2.6 | 1,262 |
| November 09, 2026 | 2.5 | 2.62 | 2.62 | 2.62 | 2.5 | 350 |
| November 06, 2026 | 2.58 | 2.62 | 2.62 | 2.62 | 2.56 | 2,850 |
| November 05, 2026 | 2.64 | 2.66 | 2.66 | 2.68 | 2.62 | 6,310 |
| November 04, 2026 | 2.4 | 2.64 | 2.64 | 2.7 | 2.4 | 6,474 |
| November 03, 2026 | 2.33 | 2.68 | 2.68 | 2.68 | 2.3 | 15,203 |
| November 02, 2026 | 2.89 | 2.65 | 2.65 | 2.89 | 2.6 | 2,644 |
| October 30, 2026 | 2.68 | 2.82 | 2.82 | 2.82 | 2.47 | 5,081 |
| October 29, 2026 | 2.61 | 2.78 | 2.78 | 2.86 | 2.6 | 43,115 |
| October 28, 2026 | 2.66 | 2.56 | 2.56 | 2.71 | 2.51 | 7,661 |
| October 27, 2026 | 2.72 | 2.76 | 2.76 | 2.79 | 2.72 | 40 |
| October 26, 2026 | 2.6 | 2.76 | 2.76 | 2.78 | 2.6 | 4,399 |
| October 23, 2026 | 2.86 | 2.73 | 2.73 | 2.86 | 2.73 | 1,026 |
| October 22, 2026 | 2.8 | 2.86 | 2.86 | 2.87 | 2.77 | 1,682 |
| October 21, 2026 | 2.76 | 2.81 | 2.81 | 2.86 | 2.68 | 999 |
| October 20, 2026 | 2.77 | 2.76 | 2.76 | 2.84 | 2.68 | 3,107 |
| October 19, 2026 | 2.67 | 2.86 | 2.86 | 2.87 | 2.67 | 6,026 |
| October 16, 2026 | 2.71 | 2.67 | 2.67 | 2.84 | 2.67 | 1,258 |
| October 15, 2026 | 2.66 | 2.66 | 2.66 | 2.76 | 2.6 | 9,164 |
| October 14, 2026 | 2.7 | 2.73 | 2.73 | 2.82 | 2.68 | 607 |
| October 13, 2026 | 2.77 | 2.7 | 2.7 | 2.79 | 2.66 | 5,975 |
| October 12, 2026 | 2.81 | 2.66 | 2.66 | 2.87 | 2.65 | 4,260 |
| October 09, 2026 | 2.75 | 2.78 | 2.78 | 2.88 | 2.72 | 6,354 |
| October 08, 2026 | 2.82 | 2.75 | 2.75 | 2.88 | 2.75 | 4,653 |
| October 07, 2026 | 2.89 | 2.76 | 2.76 | 2.89 | 2.76 | 7,587 |
| October 06, 2026 | 2.89 | 2.89 | 2.89 | 2.89 | 2.76 | 5,706 |
| October 05, 2026 | 2.78 | 2.89 | 2.89 | 2.89 | 2.78 | 4,280 |
| October 02, 2026 | 2.8 | 2.89 | 2.89 | 2.89 | 2.76 | 5,076 |
| October 01, 2026 | 2.85 | 2.85 | 2.85 | 2.85 | 2.67 | 3,829 |
| September 30, 2026 | 2.8 | 2.85 | 2.85 | 2.85 | 2.8 | 4,275 |
| September 29, 2026 | 2.85 | 2.85 | 2.85 | 2.85 | 2.73 | 2,730 |
| September 28, 2026 | 2.72 | 2.79 | 2.79 | 2.85 | 2.72 | 5,993 |
| September 25, 2026 | 2.89 | 2.79 | 2.79 | 2.89 | 2.72 | 4,396 |
| September 24, 2026 | 2.81 | 2.81 | 2.81 | 2.89 | 2.75 | 4,925 |
| September 23, 2026 | 2.81 | 2.81 | 2.81 | 2.9 | 2.74 | 16,917 |
| September 22, 2026 | 2.8 | 2.9 | 2.9 | 2.9 | 2.8 | 459 |
| September 21, 2026 | 2.72 | 2.8 | 2.8 | 2.8 | 2.72 | 319 |
| September 18, 2026 | 2.81 | 2.78 | 2.78 | 2.81 | 2.73 | 322 |
| September 17, 2026 | 2.85 | 2.8 | 2.8 | 2.85 | 2.75 | 3,188 |
| September 16, 2026 | 2.9 | 2.91 | 2.91 | 2.91 | 2.85 | 13 |
| September 15, 2026 | 3.05 | 2.72 | 2.72 | 3.05 | 2.72 | 1,752 |
| September 11, 2026 | 2.86 | 2.79 | 2.79 | 2.86 | 2.79 | 95 |
| September 10, 2026 | 2.96 | 2.86 | 2.86 | 3.05 | 2.73 | 8,377 |
| September 09, 2026 | 2.81 | 2.99 | 2.99 | 2.99 | 2.78 | 26,406 |
| September 08, 2026 | 2.66 | 2.79 | 2.79 | 2.98 | 2.56 | 59,896 |
| September 07, 2026 | 2.81 | 2.61 | 2.61 | 2.81 | 2.61 | 9,732 |
| September 04, 2026 | 2.6 | 2.57 | 2.57 | 2.6 | 2.57 | 1,028 |
| September 03, 2026 | 2.65 | 2.67 | 2.67 | 2.77 | 2.65 | 2,546 |
| September 02, 2026 | 2.65 | 2.66 | 2.66 | 2.67 | 2.65 | 1,252 |
| September 01, 2026 | 2.79 | 2.71 | 2.71 | 2.79 | 2.71 | 5,680 |
| August 31, 2026 | 2.75 | 2.65 | 2.65 | 2.75 | 2.65 | 2,799 |
| August 28, 2026 | 2.72 | 2.71 | 2.71 | 2.72 | 2.7 | 1,650 |
| August 27, 2026 | 2.73 | 2.75 | 2.75 | 2.83 | 2.67 | 8,167 |
| August 26, 2026 | 2.65 | 2.8 | 2.8 | 2.8 | 2.65 | 4,646 |
| August 25, 2026 | 2.22 | 2.65 | 2.65 | 2.79 | 2.22 | 7,707 |
| August 24, 2026 | 2.7 | 2.8 | 2.8 | 2.84 | 2.65 | 582 |
| 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 |