Biogen Inc. (BIIB)
NASDAQ: BIIB · Real-Time Price · USD
209.83
-0.82 (-0.39%)
At close: Aug 14, 2026, 4:00 PM EDT
209.90
+0.07 (0.03%)
After-hours: Aug 14, 2026, 7:37 PM EDT

Biogen Market Cap

Biogen has a market cap or net worth of $31 billion as of August 14, 2026. Its market cap has increased by 56.42% in one year.

Market Cap
31.00B
Enterprise Value
38.07B
1-Year Change
56.42%
Ranking
Category
Stock Price
$209.83

Chart

Chart

Since December 1, 1998, Biogen's market cap has increased from $617.50M to $31.00B, an increase of 4,920.76%. That is a compound annual growth rate of 15.17%.

History

DateMarket Cap% Change
Aug 14, 202631.00B20.08%
Dec 31, 202525.82B15.86%
Dec 31, 202422.28B-40.57%
Dec 29, 202337.50B-5.97%
Dec 30, 202239.88B13.15%
Dec 31, 202135.24B-6.47%
Dec 31, 202037.68B-29.63%
Dec 31, 201953.54B-11.69%
Dec 31, 201860.63B-10.00%
Dec 29, 201767.37B9.19%
Dec 30, 201661.70B-9.65%
Dec 31, 201568.29B-14.82%
Dec 31, 201480.16B21.39%
Dec 31, 201366.04B90.69%
Dec 31, 201234.63B29.54%
Dec 30, 201126.73B67.31%
Dec 31, 201015.98B3.27%
Dec 31, 200915.47B11.34%
Dec 31, 200813.90B-16.78%
Dec 31, 200716.70B0.70%
Dec 29, 200616.58B7.90%
Dec 30, 200515.37B-30.83%
Dec 31, 200422.22B288.89%
Dec 31, 20035.71B12.55%
Dec 31, 20025.08B-51.71%
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Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding

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Market Cap Rankings