BIOGEN INC.

BIIB - Company ID 0000875045

Market cap$29.37 B

Rank#476

Filings2,690

BIOGEN INC. has filed 2,690 public company documents between 1996 and 2026. The most frequent type is insider trade (1,544 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.

Continue researchBIIB overview$29.37 BMarket cap, financials, charts, and latest company context.

Continue researchMarket cap historyRank #476See the market value trend behind the filing history.

Continue researchRevenue trendAnnual historyMove from documents into filing-backed operating results.

Continue researchCompare with AMGNPeer viewPut BIIB beside AMGN across market cap, revenue, income, and filings.

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Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.

Type	Filing	Filed	Period covered	Open
3/A	3/A	13y ago2013-06-24	2013-06-03	View filing
3/A	3/A	15y ago2011-01-20	2011-01-10	View filing
3/A	3/A	15y ago2011-01-07	2010-11-03	View filing
3/A	3/A	21y ago2005-07-01	2003-11-12	View filing
3/A	3/A	21y ago2004-08-02	2004-07-28	View filing
3/A	3/A	22y ago2003-09-04	2003-02-19	View filing

BIOGEN INC.

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