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Video: Compound Annual Growth Rate (CAGR) Definition
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 |
| Date |
Open |
High |
Low |
Close |
Volume |
| 09/04/2026 |
$8.14 |
$8.38 |
$7.99 |
$8.24 |
986.20K | | 09/08/2026 |
$8.14 |
$8.18 |
$7.42 |
$7.43 |
1.21M | | 09/09/2026 |
$7.60 |
$7.61 |
$6.78 |
$6.86 |
1.45M | | 09/10/2026 |
$6.76 |
$7.04 |
$6.66 |
$6.89 |
893.60K | | 09/11/2026 |
$6.93 |
$7.02 |
$6.70 |
$6.94 |
790.50K |
 |
| Agenus Inc. is an immuno-oncology (I-O) company targeting cancer and infectious diseases with a pipeline of immunological agents. It is specialized in developing therapies to activate the body's immune system against cancer and infections. Its pipeline includes immune-modulatory antibodies, adoptive cell therapies (via MiNK Therapeutics, Inc.), and vaccine adjuvants (via SaponiQx, Inc.). Its primary focus is I-O, and its diverse pipeline is supported by its in-house capabilities, including current good manufacturing practice (cGMP) manufacturing and a clinical operations platform. | |
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Agenus (AGEN) has the following price history information. Looking back at AGEN historical stock prices for the last five trading days, on September 04, 2026, AGEN opened at $8.14, traded as high as $8.38 and as low as $7.99, and closed at $8.24. Trading volume was a total of 986.20K shares. On September 08, 2026, AGEN opened at $8.14, traded as high as $8.18 and as low as $7.42, and closed at $7.43. Trading volume was a total of 1.21M shares. On September 09, 2026, AGEN opened at $7.60, traded as high as $7.61 and as low as $6.78, and closed at $6.86. Trading volume was a total of 1.45M shares. On September 10, 2026, AGEN opened at $6.76, traded as high as $7.04 and as low as $6.66, and closed at $6.89. Trading volume was a total of 893.60K shares. On September 11, 2026, AGEN opened at $6.93, traded as high as $7.02 and as low as $6.70, and closed at $6.94. Trading volume was a total of 790.50K shares.
AGEN Historical Stock Prices By Date:

Below, we examine the compound annual growth rate — CAGR for short — of an investment into Agenus shares, starting with a $10,000 purchase of AGEN, and working forward through the historical stock price information to today.
Growth of $10,000.00
Without Dividends Reinvested
|
| Start date: |
09/14/2016 |
|
| End date: |
09/11/2026 |
|
| Start price/share: |
$128.00 |
|
| End price/share: |
$6.94 |
|
| Dividends collected/share: |
$0.00 |
|
| Total return: |
-94.58% |
|
| Average Annual Total Return: |
-25.29% |
|
| Starting investment: |
$10,000.00 |
|
| Ending investment: |
$542.17 |
|
| Years: |
10.00 |
|
|
 |
| Date |
Close |
| 09/04/2026 | $8.24 | | 09/08/2026 | $7.43 | | 09/09/2026 | $6.86 | | 09/10/2026 | $6.89 | | 09/11/2026 | $6.94 |
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