Agenus Inc. (AGEN) Stock Price History
Historical prices from 2000 to 2026
- 1M
- -5.1%
- 3M
- -20.2%
- YTD
- -7.1%
- 1Y
- -32.9%
- 3Y
- -56.9%
- 5Y
- -50.9%
Loading 10-year price history...
AGEN Historical Performance
AGEN Annual Returns
Year-by-year price performance · 2002–2026
- 2002 annual price return
- -33.9%
- 2003 annual price return
- +6.0%
- 2004 annual price return
- -11.7%
- 2005 annual price return
- -52.4%
- 2006 annual price return
- -61.8%
- 2007 annual price return
- +6.3%
- 2008 annual price return
- -76.9%
- 2009 annual price return
- +33.3%
- 2010 annual price return
- +57.2%
- 2011 annual price return
- -68.6%
- 2012 annual price return
- +88.9%
- 2013 annual price return
- -37.7%
- 2014 annual price return
- +42.8%
- 2015 annual price return
- +14.1%
- 2016 annual price return
- -7.6%
- 2017 annual price return
- -21.6%
- 2018 annual price return
- -32.8%
- 2019 annual price return
- +62.2%
- 2020 annual price return
- -21.3%
- 2021 annual price return
- -0.3%
- 2022 annual price return
- -30.8%
- 2023 annual price return
- -65.5%
- 2024 annual price return
- -82.9%
- 2025 annual price return
- +1.6%
- 2026 annual price return
- +3.1%
AGEN Stock Price Trajectory (2000–2026)
As of June 21, 2026, Agenus Inc. (AGEN) trades at $3.00, representing a -32.9% return over the past year. The stock has delivered a -97.1% total return over five years (-50.9% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $8,580.00 on February 7, 2000. From this peak, AGEN has corrected -100.0%, currently trading 20% below its 200-day moving average, suggesting potential weakness.
When compared to Healthcare sector peers NKTR (+608.2% 1Y), INCY (+43.9% 1Y), and EXEL (+27.4% 1Y), AGEN has underperformed the peer group average. Compare AGEN vs NKTR →
AGEN Historical Price Data · from 2000
Rows 1–50 of 6,633| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-18 | 3.00 | 3.10 | 2.91 | 3.00 | 831K | +1.35% |
| 2026-06-17 | 3.02 | 3.05 | 2.86 | 2.96 | 717K | -0.67% |
| 2026-06-16 | 3.26 | 3.39 | 2.97 | 2.98 | 828K | -8.31% |
| 2026-06-15 | 3.36 | 3.44 | 3.24 | 3.25 | 452K | -1.52% |
| 2026-06-12 | 3.40 | 3.45 | 3.29 | 3.30 | 503K | -2.65% |
| 2026-06-11 | 3.09 | 3.42 | 3.04 | 3.39 | 1.20M | +10.42% |
| 2026-06-10 | 3.12 | 3.17 | 3.06 | 3.07 | 746K | -1.29% |
| 2026-06-09 | 3.20 | 3.31 | 3.10 | 3.11 | 489K | -0.96% |
| 2026-06-08 | 3.30 | 3.32 | 3.12 | 3.14 | 365K | -2.79% |
| 2026-06-05 | 3.33 | 3.35 | 3.19 | 3.23 | 429K | -4.86% |
| 2026-06-04 | 3.23 | 3.48 | 3.23 | 3.40 | 508K | +5.43% |
| 2026-06-03 | 3.36 | 3.42 | 3.21 | 3.22 | 465K | -4.73% |
| 2026-06-02 | 3.44 | 3.52 | 3.36 | 3.38 | 389K | -2.87% |
| 2026-06-01 | 3.51 | 3.52 | 3.33 | 3.48 | 848K | -0.57% |
| 2026-05-29 | 3.42 | 3.50 | 3.31 | 3.50 | 601K | +2.94% |
| 2026-05-28 | 3.40 | 3.44 | 3.29 | 3.40 | 666K | -0.29% |
| 2026-05-27 | 3.36 | 3.53 | 3.34 | 3.41 | 464K | +2.71% |
| 2026-05-26 | 3.14 | 3.42 | 3.14 | 3.32 | 688K | +6.75% |
| 2026-05-22 | 3.30 | 3.35 | 3.06 | 3.11 | 894K | -1.58% |
| 2026-05-21 | 3.11 | 3.21 | 3.08 | 3.16 | 409K | +0.32% |
| 2026-05-20 | 3.12 | 3.25 | 3.12 | 3.15 | 465K | +1.94% |
| 2026-05-19 | 3.21 | 3.21 | 3.03 | 3.09 | 672K | -2.22% |
| 2026-05-18 | 3.56 | 3.56 | 3.07 | 3.16 | 1.02M | -11.73% |
| 2026-05-15 | 3.54 | 3.60 | 3.42 | 3.58 | 478K | 0.00% |
| 2026-05-14 | 3.50 | 3.62 | 3.38 | 3.58 | 430K | +3.17% |
| 2026-05-13 | 3.41 | 3.58 | 3.39 | 3.47 | 573K | +0.87% |
| 2026-05-12 | 3.25 | 3.45 | 3.21 | 3.44 | 794K | +5.52% |
| 2026-05-11 | 3.67 | 3.67 | 3.20 | 3.26 | 1.99M | -14.66% |
| 2026-05-08 | 3.77 | 3.92 | 3.71 | 3.82 | 619K | +1.87% |
| 2026-05-07 | 3.85 | 3.85 | 3.66 | 3.75 | 1.05M | -3.60% |
| 2026-05-06 | 4.23 | 4.23 | 3.85 | 3.89 | 1.54M | -6.71% |
| 2026-05-05 | 4.05 | 4.27 | 4.05 | 4.17 | 858K | +3.73% |
| 2026-05-04 | 3.85 | 4.04 | 3.79 | 4.02 | 470K | +4.69% |
| 2026-05-01 | 3.87 | 3.88 | 3.78 | 3.84 | 484K | -1.79% |
| 2026-04-30 | 3.89 | 4.00 | 3.77 | 3.91 | 559K | +1.82% |
| 2026-04-29 | 3.75 | 3.87 | 3.64 | 3.84 | 543K | -1.29% |
| 2026-04-28 | 4.06 | 4.20 | 3.87 | 3.89 | 649K | -4.89% |
| 2026-04-27 | 3.97 | 4.57 | 3.93 | 4.09 | 1.75M | +4.87% |
| 2026-04-24 | 3.76 | 3.97 | 3.67 | 3.90 | 763K | +3.72% |
| 2026-04-23 | 3.94 | 3.96 | 3.75 | 3.76 | 810K | -4.57% |
| 2026-04-22 | 3.96 | 4.11 | 3.88 | 3.94 | 764K | +0.77% |
| 2026-04-21 | 4.44 | 4.44 | 3.91 | 3.91 | 1.35M | -11.54% |
| 2026-04-20 | 4.55 | 4.70 | 4.36 | 4.42 | 1.23M | -7.72% |
| 2026-04-17 | 4.67 | 4.80 | 4.53 | 4.79 | 795K | +3.23% |
| 2026-04-16 | 4.70 | 4.80 | 4.57 | 4.64 | 789K | -3.93% |
| 2026-04-15 | 4.85 | 5.08 | 4.56 | 4.83 | 1.47M | +2.33% |
| 2026-04-14 | 4.30 | 4.79 | 4.25 | 4.72 | 2.63M | +13.73% |
| 2026-04-13 | 3.96 | 4.32 | 3.96 | 4.15 | 1.29M | +4.80% |
| 2026-04-10 | 4.59 | 4.67 | 3.85 | 3.96 | 2.10M | -11.01% |
| 2026-04-09 | 4.16 | 4.50 | 4.09 | 4.45 | 1.15M | +5.95% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
AGEN — Frequently Asked Questions
Quick answers to the most common questions about buying AGEN stock.
How has AGEN stock performed recently?
AGEN declined -32.9% over the past year, below its 5-year annualized CAGR of -50.9%. The stock trades below its 200-day moving average, reflecting the downtrend.
What is AGEN's all-time high price?
Agenus Inc. reached $8580.00 on 2000-02-07. The 52-week high is $7.34. Current 1-year return of -32.9% places the stock further from historical peaks.
Where can I download AGEN historical price data?
This page provides AGEN daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2000-2026, downloadable in CSV format.