Alnylam Pharmaceuticals, Inc is a company in the U.S. stock market and it is a holding in 104 U.S.-traded ETFs. ALNY has around 7.4M shares in the U.S. ETF market. The largest ETF holder of ALNY is the iShares Biotechnology ETF (IBB), with approximately 956.44K shares. Investors may also find of interest that the ETF with the largest allocation to ALNY stock is Global X Genomics & Biotechnology ETF (GNOM), with a portfolio weight of 5.52%. On average, U.S. ETFs allocate 0.57% of ALNY to their portfolios.

Additionally, ALNY is a favorite stock for Vanilla and Active ETFs. It is also most likely to belong to Broad-based ETFs. The best-performing ETF in the past 12 months with ALNY as a holding is the ProShares Ultra Health Care (RXL), with a return of 57.73%.