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 (September 2005)
$12.25
Stock Price (August 2025)
$75.08
10-Year Growth
244.00%
20-Year Growth
660.27%
Market Cap (August 2025)
$29.54 Billion
BIIB
Stock Price (September 2005)
$38.80
Stock Price (August 2025)
$132.50
10-Year Growth
-71.51%
20-Year Growth
159.46%
Market Cap (August 2025)
$19.39 Billion
20-Year Performance Chart
Interactive visualization of DXCM vs BIIB stock performance (2005-2025)
20-Year Performance Data
| Year | DXCM | BIIB |
|---|---|---|
| 2025 | -4.03% | -11.85% |
| 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 | +19.74% | +17.73% |
20-Year Average Return for DXCM
7.97%
20-Year Average Return for BIIB
33.01%
24 Months Performance
| Month | DXCM | BIIB |
|---|---|---|
| August 2025 | +5.23% | -0.20% |
| July 2025 | +3.48% | +1.62% |
| June 2025 | -2.04% | +4.42% |
| May 2025 | -18.11% | -6.83% |
| April 2025 | -5.69% | +9.04% |
| March 2025 | +25.92% | +3.56% |
| February 2025 | -1.49% | +1.31% |
| January 2025 | -9.59% | +4.22% |
| December 2024 | +1.98% | +7.40% |
| November 2024 | -9.80% | +8.19% |
| October 2024 | -6.36% | +9.66% |
| September 2024 | +7.94% | +5.67% |
| August 2024 | +1.41% | +2.90% |
| July 2024 | +65.39% | +8.71% |
| June 2024 | +1.63% | -0.87% |
| May 2024 | +5.99% | -3.92% |
| April 2024 | +8.28% | +0.00% |
| March 2024 | -12.23% | +2.47% |
| February 2024 | +6.54% | +14.21% |
| January 2024 | +1.43% | +8.53% |
| December 2023 | -6.02% | -9.32% |
| November 2023 | -18.52% | +2.37% |
| October 2023 | +6.44% | +6.45% |
| September 2023 | +0.00% | +0.00% |
24 Months Average Return for DXCM
3.32%
24 Months Average Return for BIIB
2.16%
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