Biogen Inc. (BIIB) CEO Michel Vounatsos Presents at Morgan Stanley 19th Annual Global Healthcare Conference (Transcript)Seeking Alpha • 09/09/21
Warren Buffett's Berkshire Hathaway sold Biogen, halved its Merck stake, and boosted its Kroger bet. Here's a closer look at its key trades in Q2.Business Insider • 08/17/21
Apple, GM, Kroger, AbbVie, Merck, Bristol Myers Squibb, Biogen — How Warren Buffett's Berkshire Adjusted Its Portfolio In Q2Benzinga • 08/17/21
Warren Buffett's Berkshire Hathaway sold its Biogen stake last quarter - and slashed its pharmaceutical betsBusiness Insider • 08/16/21