If you invested $1000 in Agenus Inc. (AGEN) 10 years ago, it would be worth $57.9 as of October 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $80.71, while $1000 invested 1 year ago would be worth $1,598.32. This corresponds to total returns of -94.21%, -91.93%, 59.83%, respectively, with annualized returns of -24.79%, -39.53%, 59.83%.
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 |
|---|---|---|---|---|---|---|
| October 21, 2026 | 6.43 | 6.4 | 6.4 | 6.54 | 6.31 | 789,546 |
| October 20, 2026 | 6.1 | 6.42 | 6.42 | 6.58 | 6.05 | 819,337 |
| October 19, 2026 | 6.13 | 6.18 | 6.18 | 6.3 | 6.06 | 734,861 |
| October 16, 2026 | 6.65 | 6.04 | 6.04 | 6.7 | 6 | 1.03M |
| October 15, 2026 | 6.52 | 6.68 | 6.68 | 6.99 | 6.51 | 815,023 |
| October 14, 2026 | 6.88 | 6.5 | 6.5 | 7.14 | 6.46 | 979,297 |
| October 13, 2026 | 7.3 | 6.95 | 6.95 | 7.34 | 6.81 | 991,746 |
| October 12, 2026 | 7.63 | 7.43 | 7.43 | 7.66 | 7.39 | 572,483 |
| October 09, 2026 | 7.5 | 7.67 | 7.67 | 7.79 | 7.38 | 710,240 |
| October 08, 2026 | 7.57 | 7.54 | 7.54 | 7.66 | 7.24 | 1.21M |
| October 07, 2026 | 7.28 | 7.57 | 7.57 | 7.62 | 7.27 | 1.15M |
| October 06, 2026 | 8.49 | 7.49 | 7.49 | 8.49 | 7.47 | 1.52M |
| October 05, 2026 | 8.54 | 8.73 | 8.73 | 8.76 | 8.11 | 956,057 |
| October 02, 2026 | 8.36 | 8.36 | 8.36 | 8.61 | 8.08 | 1.09M |
| October 01, 2026 | 9.95 | 8.33 | 8.33 | 9.99 | 8.28 | 1.95M |
| September 30, 2026 | 9.92 | 9.93 | 9.93 | 10.31 | 9.62 | 1.37M |
| September 29, 2026 | 9.66 | 9.89 | 9.89 | 10.06 | 9.43 | 1.5M |
| September 28, 2026 | 8.71 | 9.43 | 9.43 | 9.71 | 8.47 | 2.76M |
| September 25, 2026 | 8.57 | 8.54 | 8.54 | 8.68 | 8.4 | 672,281 |
| September 24, 2026 | 8.32 | 8.5 | 8.5 | 8.6 | 8.2 | 635,676 |
| September 23, 2026 | 8.7 | 8.4 | 8.4 | 8.7 | 8.39 | 610,023 |
| September 22, 2026 | 8.26 | 8.7 | 8.7 | 8.82 | 8.16 | 992,664 |
| September 21, 2026 | 7.89 | 8.33 | 8.33 | 8.56 | 7.89 | 1.3M |
| September 18, 2026 | 7.48 | 7.85 | 7.85 | 7.88 | 7.33 | 2.08M |
| September 17, 2026 | 7.31 | 7.22 | 7.22 | 7.4 | 7.09 | 765,344 |
| September 16, 2026 | 7.25 | 7.21 | 7.21 | 7.33 | 7.06 | 685,989 |
| September 15, 2026 | 7.05 | 7.16 | 7.16 | 7.19 | 6.81 | 779,496 |
| September 11, 2026 | 6.98 | 6.94 | 6.94 | 7 | 6.71 | 790,456 |
| September 10, 2026 | 6.76 | 6.89 | 6.89 | 7.04 | 6.66 | 893,528 |
| September 09, 2026 | 7.6 | 6.86 | 6.86 | 7.61 | 6.78 | 1.45M |
| September 08, 2026 | 8.14 | 7.43 | 7.43 | 8.18 | 7.42 | 1.21M |
| September 04, 2026 | 8.14 | 8.24 | 8.24 | 8.38 | 7.99 | 986,239 |
| September 03, 2026 | 8.12 | 8.24 | 8.24 | 8.31 | 7.98 | 738,622 |
| September 02, 2026 | 8.07 | 8.09 | 8.09 | 8.28 | 7.69 | 663,485 |
| September 01, 2026 | 7.56 | 7.99 | 7.99 | 8 | 7.54 | 676,249 |
| August 31, 2026 | 7.68 | 7.61 | 7.61 | 7.76 | 7.5 | 719,281 |
| August 28, 2026 | 7.98 | 7.66 | 7.66 | 8.07 | 7.61 | 740,356 |
| August 27, 2026 | 8.28 | 7.81 | 7.81 | 8.52 | 7.78 | 782,451 |
| August 26, 2026 | 8.3 | 8.25 | 8.25 | 8.4 | 8.03 | 776,595 |
| August 25, 2026 | 7.8 | 8.36 | 8.36 | 8.5 | 7.8 | 1.18M |
| August 24, 2026 | 8.07 | 7.67 | 7.67 | 8.07 | 7.6 | 772,905 |
| August 21, 2026 | 7.58 | 8.09 | 8.09 | 8.35 | 7.58 | 1.52M |
| August 20, 2026 | 8.22 | 7.49 | 7.49 | 8.25 | 7.31 | 1.58M |
| August 19, 2026 | 7.66 | 8.26 | 8.26 | 8.73 | 7.62 | 0 |
| August 18, 2026 | 7.13 | 7.53 | 7.53 | 7.65 | 7.08 | 958,023 |
| August 17, 2026 | 7.3 | 7.15 | 7.15 | 7.31 | 6.96 | 831,233 |
| August 14, 2026 | 6.93 | 7.32 | 7.32 | 7.46 | 6.83 | 1.25M |
| August 13, 2026 | 6.85 | 7 | 7 | 7.03 | 6.71 | 624,845 |
| August 12, 2026 | 6.91 | 6.9 | 6.9 | 7.2 | 6.83 | 0 |
| August 11, 2026 | 6.8 | 6.83 | 6.83 | 6.9 | 6.42 | 0 |
| August 10, 2026 | 6.83 | 7 | 7 | 7.09 | 6.36 | 1.92M |
| August 07, 2026 | 7.52 | 6.96 | 6.96 | 7.55 | 6.92 | 1.14M |
| August 06, 2026 | 7.67 | 7.49 | 7.49 | 8.85 | 7.32 | 2.45M |
| August 05, 2026 | 8.35 | 7.78 | 7.78 | 8.52 | 7.69 | 1.46M |
| August 04, 2026 | 7.85 | 8.3 | 8.3 | 8.38 | 7.75 | 2.01M |
| August 03, 2026 | 7.65 | 7.82 | 7.82 | 8.09 | 7.5 | 1.65M |
| July 31, 2026 | 7.79 | 7.5 | 7.5 | 7.98 | 7.32 | 1.57M |
| July 30, 2026 | 6.77 | 7.91 | 7.91 | 7.99 | 6.51 | 3M |
| July 29, 2026 | 6.56 | 6.63 | 6.63 | 6.95 | 6.48 | 1.83M |
| July 28, 2026 | 6.06 | 6.6 | 6.6 | 6.64 | 5.88 | 2.78M |