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
Biogen Announces Results from Phase 3b NOVA Study Evaluating Every Six-Week Dosing with Natalizumab in Relapsing-Remitting Multiple SclerosisGlobeNewsWire • 08/02/21
Will Biogen Be Able to Move Past the Drama Surrounding Its Alzheimer's Disease Drug?The Motley Fool • 07/31/21