Biogen Inc. (BIIB)
NASDAQ: BIIB · Real-Time Price · USD
183.38
+2.71 (1.50%)
At close: Apr 28, 2026, 4:00 PM EDT
186.03
+2.65 (1.45%)
Pre-market: Apr 29, 2026, 8:16 AM EDT

Biogen Market Cap

Biogen has a market cap or net worth of $26.91 billion as of April 29, 2026. Its market cap has increased by 59.64% in one year.

Market Cap
26.91B
Enterprise Value
29.19B
1-Year Change
59.64%
Ranking
Category
Stock Price
$183.38

Market Cap Chart

Since December 1, 1998, Biogen's market cap has increased from $617.50M to $26.91B, an increase of 4,258.31%. That is a compound annual growth rate of 14.76%.

History

DateMarket Cap% Change
Apr 28, 202626.91B4.24%
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
Full Definition

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Market Cap Rankings