Alexion Pharmaceuticals, Inc. is a company in the U.S. stock market and it is a holding in 163 U.S.-traded ETFs. ALXN has around 19.1M shares in the U.S. ETF market. The largest ETF holder of ALXN is the SPDR S&P 500 ETF Trust (SPY), with approximately 2.58M shares. Investors may also find of interest that the ETF with the largest allocation to ALXN stock is VanEck Vectors Biotech ETF (BBH), with a portfolio weight of 4.56%. On average, U.S. ETFs allocate 0.44% of ALXN to their portfolios.
Additionally, ALXN is a favorite stock for Vanilla and Fundamental ETFs. It is also most likely to belong to Broad-based ETFs. The best-performing ETF in the past 12 months with ALXN as a holding is the ProShares UltraPro QQQ (TQQQ), with a return of 128.72%.