Biogen Inc. is a company in the U.S. stock market and it is a holding in 218 U.S.-traded ETFs. BIIB has around 15.5M shares in the U.S. ETF market. The largest ETF holder of BIIB is the SPDR S&P 500 ETF Trust (SPY), with approximately 2.06M shares. Investors may also find of interest that the ETF with the largest allocation to BIIB stock is VanEck Vectors Biotech ETF (BBH), with a portfolio weight of 5.71%. On average, U.S. ETFs allocate 0.72% of BIIB to their portfolios.
Additionally, BIIB is a favorite stock for Vanilla and Multi-factor ETFs. It is also most likely to belong to Broad-based ETFs. The best-performing ETF in the past 12 months with BIIB as a holding is the ProShares UltraPro QQQ (TQQQ), with a return of 38.22%.