If you invested $1000 in Agenus Inc. (AGEN) 10 years ago, it would be worth $36.19 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 $28.25, while $1000 invested 1 year ago would be worth $633.33. This corresponds to total returns of -96.38%, -97.17%, -36.67%, respectively, with annualized returns of -28.23%, -50.98%, -36.67%.
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 |
|---|---|---|---|---|---|---|
| June 22, 2026 | 2.99 | 3.04 | 3.04 | 3.1 | 2.98 | 476,046 |
| June 18, 2026 | 3 | 3 | 3 | 3.1 | 2.91 | 867,615 |
| June 17, 2026 | 3.02 | 2.96 | 2.96 | 3.05 | 2.86 | 723,356 |
| June 16, 2026 | 3.26 | 2.98 | 2.98 | 3.39 | 2.97 | 833,087 |
| June 15, 2026 | 3.36 | 3.25 | 3.25 | 3.44 | 3.24 | 454,657 |
| June 12, 2026 | 3.4 | 3.3 | 3.3 | 3.45 | 3.29 | 503,304 |
| June 11, 2026 | 3.09 | 3.39 | 3.39 | 3.42 | 3.04 | 1.2M |
| June 10, 2026 | 3.11 | 3.07 | 3.07 | 3.17 | 3.06 | 758,711 |
| June 09, 2026 | 3.2 | 3.11 | 3.11 | 3.31 | 3.11 | 498,106 |
| June 08, 2026 | 3.3 | 3.14 | 3.14 | 3.32 | 3.12 | 366,419 |
| June 05, 2026 | 3.36 | 3.23 | 3.23 | 3.36 | 3.19 | 0 |
| June 04, 2026 | 3.23 | 3.4 | 3.4 | 3.48 | 3.23 | 514,472 |
| June 03, 2026 | 3.36 | 3.22 | 3.22 | 3.42 | 3.21 | 465,481 |
| June 02, 2026 | 3.44 | 3.38 | 3.38 | 3.52 | 3.36 | 412,535 |
| June 01, 2026 | 3.52 | 3.48 | 3.48 | 3.53 | 3.33 | 863,278 |
| May 29, 2026 | 3.41 | 3.5 | 3.5 | 3.5 | 3.3 | 612,466 |
| May 28, 2026 | 3.41 | 3.4 | 3.4 | 3.45 | 3.29 | 670,586 |
| May 27, 2026 | 3.36 | 3.41 | 3.41 | 3.53 | 3.34 | 466,212 |
| May 26, 2026 | 3.14 | 3.32 | 3.32 | 3.42 | 3.14 | 698,507 |
| May 22, 2026 | 3.3 | 3.11 | 3.11 | 3.36 | 3.05 | 899,905 |
| May 21, 2026 | 3.12 | 3.16 | 3.16 | 3.21 | 3.08 | 429,403 |
| May 20, 2026 | 3.12 | 3.15 | 3.15 | 3.25 | 3.12 | 467,730 |
| May 19, 2026 | 3.2 | 3.09 | 3.09 | 3.21 | 3.02 | 678,189 |
| May 18, 2026 | 3.56 | 3.16 | 3.16 | 3.56 | 3.07 | 1.02M |
| May 15, 2026 | 3.52 | 3.58 | 3.58 | 3.6 | 3.42 | 508,428 |
| May 14, 2026 | 3.47 | 3.58 | 3.58 | 3.62 | 3.37 | 430,655 |
| May 13, 2026 | 3.41 | 3.47 | 3.47 | 3.58 | 3.39 | 575,731 |
| May 12, 2026 | 3.25 | 3.44 | 3.44 | 3.45 | 3.21 | 795,679 |
| May 11, 2026 | 3.61 | 3.26 | 3.26 | 3.67 | 3.2 | 1.99M |
| May 08, 2026 | 3.77 | 3.82 | 3.82 | 3.93 | 3.71 | 619,147 |
| May 07, 2026 | 3.9 | 3.75 | 3.75 | 3.9 | 3.66 | 1.05M |
| May 06, 2026 | 4.2 | 3.89 | 3.89 | 4.24 | 3.85 | 1.54M |
| May 05, 2026 | 4.06 | 4.17 | 4.17 | 4.27 | 4.05 | 862,313 |
| May 04, 2026 | 3.87 | 4.02 | 4.02 | 4.04 | 3.79 | 736,640 |
| May 01, 2026 | 3.87 | 3.84 | 3.84 | 3.88 | 3.78 | 512,700 |
| April 30, 2026 | 3.89 | 3.91 | 3.91 | 4 | 3.77 | 580,205 |
| April 29, 2026 | 3.87 | 3.84 | 3.84 | 3.87 | 3.64 | 569,118 |
| April 28, 2026 | 4.06 | 3.89 | 3.89 | 4.2 | 3.87 | 669,813 |
| April 27, 2026 | 3.97 | 4.09 | 4.09 | 4.57 | 3.93 | 1.77M |
| April 24, 2026 | 3.76 | 3.9 | 3.9 | 3.97 | 3.68 | 765,898 |
| April 23, 2026 | 3.94 | 3.76 | 3.76 | 3.97 | 3.75 | 838,652 |
| April 22, 2026 | 3.99 | 3.94 | 3.94 | 4.11 | 3.88 | 769,684 |
| April 21, 2026 | 4.44 | 3.91 | 3.91 | 4.44 | 3.91 | 1.35M |
| April 20, 2026 | 4.55 | 4.42 | 4.42 | 4.7 | 4.36 | 1.3M |
| April 17, 2026 | 4.7 | 4.79 | 4.79 | 4.8 | 4.52 | 795,193 |
| April 16, 2026 | 4.7 | 4.64 | 4.64 | 4.8 | 4.57 | 789,711 |
| April 15, 2026 | 4.77 | 4.83 | 4.83 | 5.08 | 4.56 | 1.47M |
| April 14, 2026 | 4.27 | 4.72 | 4.72 | 4.79 | 4.25 | 2.67M |
| April 13, 2026 | 3.91 | 4.15 | 4.15 | 4.3 | 3.9 | 1.3M |
| April 10, 2026 | 4.59 | 3.96 | 3.96 | 4.67 | 3.86 | 2.1M |
| April 09, 2026 | 4.19 | 4.45 | 4.45 | 4.51 | 4.09 | 1.15M |
| April 08, 2026 | 4.19 | 4.2 | 4.2 | 4.27 | 4.04 | 1.3M |
| April 07, 2026 | 3.77 | 4.06 | 4.06 | 4.14 | 3.58 | 1.84M |
| April 06, 2026 | 3.37 | 3.77 | 3.77 | 4 | 3.35 | 1.85M |
| April 02, 2026 | 3.33 | 3.33 | 3.33 | 3.41 | 3.24 | 480,750 |
| April 01, 2026 | 3.4 | 3.4 | 3.4 | 3.49 | 3.38 | 324,515 |
| March 31, 2026 | 3.25 | 3.34 | 3.34 | 3.44 | 3.25 | 393,238 |
| March 30, 2026 | 3.39 | 3.24 | 3.24 | 3.39 | 3.23 | 257,049 |
| March 27, 2026 | 3.44 | 3.39 | 3.39 | 3.47 | 3.34 | 321,727 |
| March 26, 2026 | 3.5 | 3.44 | 3.44 | 3.52 | 3.41 | 250,945 |