bluebird bio, Inc. is a company in the U.S. stock market and it is a holding in 63 U.S.-traded ETFs. BLUE has around 3.7M shares in the U.S. ETF market. The largest ETF holder of BLUE is the SPDR S&P Biotech ETF (XBI), with approximately 609.85K shares. Investors may also find of interest that the ETF with the largest allocation to BLUE stock is First Trust NYSE Arca Biotechnology Index Fund (FBT), with a portfolio weight of 2.55%. On average, U.S. ETFs allocate 0.29% of BLUE to their portfolios.
Additionally, BLUE 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 BLUE as a holding is the iShares Morningstar Mid-Cap Growth ETF (JKH), with a return of 18.44%.