DXCM vs BIIB Stock Comparison
DexCom and Biogen stock analysis with 20 years of historical data and interactive charts
Compare DXCM vs BIIB
DXCM
Stock Price (November 2005)
$13.15
Stock Price (October 2025)
$59.19
10-Year Growth
222.20%
20-Year Growth
638.47%
Market Cap (October 2025)
$23.57 Billion
BIIB
Stock Price (November 2005)
$40.51
Stock Price (October 2025)
$147.99
10-Year Growth
-56.81%
20-Year Growth
174.16%
Market Cap (October 2025)
$22.22 Billion
20-Year Performance Chart
Interactive visualization of DXCM vs BIIB stock performance (2005-2025)
20-Year Performance Data
| Year | DXCM | BIIB |
|---|---|---|
| 2025 | -25.83% | +2.85% |
| 2024 | -36.82% | -42.88% |
| 2023 | +8.16% | -5.08% |
| 2022 | -13.02% | +13.43% |
| 2021 | +50.10% | -1.25% |
| 2020 | +68.53% | -16.78% |
| 2019 | +89.91% | -2.61% |
| 2018 | +106.59% | -9.95% |
| 2017 | -1.48% | +9.21% |
| 2016 | -23.94% | -3.75% |
| 2015 | +50.25% | -10.43% |
| 2014 | +58.42% | +21.09% |
| 2013 | +155.67% | +86.38% |
| 2012 | +43.96% | +28.96% |
| 2011 | -32.09% | +63.76% |
| 2010 | +59.46% | +25.00% |
| 2009 | +192.39% | +10.33% |
| 2008 | -69.16% | -14.75% |
| 2007 | -10.63% | +15.39% |
| 2006 | -32.00% | +5.24% |
| 2005 | +10.93% | +12.39% |
20-Year Average Return for DXCM
8.71%
20-Year Average Return for BIIB
31.92%
24 Months Performance
| Month | DXCM | BIIB |
|---|---|---|
| October 2025 | -11.89% | +0.03% |
| September 2025 | -9.43% | +0.32% |
| August 2025 | -4.97% | +0.20% |
| July 2025 | -3.36% | -1.59% |
| June 2025 | +2.08% | -4.23% |
| May 2025 | +22.12% | +7.33% |
| April 2025 | +6.03% | -8.29% |
| March 2025 | -20.58% | -3.44% |
| February 2025 | +1.52% | -1.29% |
| January 2025 | +10.61% | -4.05% |
| December 2024 | -1.94% | -6.89% |
| November 2024 | +10.86% | -7.57% |
| October 2024 | +6.79% | -8.81% |
| September 2024 | -7.35% | -5.37% |
| August 2024 | -1.39% | -2.82% |
| July 2024 | -39.54% | -8.01% |
| June 2024 | -1.61% | +0.88% |
| May 2024 | -5.65% | +4.08% |
| April 2024 | -7.65% | +0.00% |
| March 2024 | +13.93% | -2.41% |
| February 2024 | -6.14% | -12.44% |
| January 2024 | -1.41% | -7.86% |
| December 2023 | +6.41% | +10.28% |
| November 2023 | +22.72% | -2.31% |
24 Months Average Return for DXCM
-2.68%
24 Months Average Return for BIIB
-0.83%
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