Merck & Co., Inc. is a company in the U.S. stock market and it is a holding in 259 U.S.-traded ETFs. MRK has around 170.1M shares in the U.S. ETF market. The largest ETF holder of MRK is the SPDR S&P 500 ETF Trust (SPY), with approximately 27.93M shares. Investors may also find of interest that the ETF with the largest allocation to MRK stock is iShares U.S. Pharmaceuticals ETF (IHE), with a portfolio weight of 20.81%. On average, U.S. ETFs allocate 1.34% of MRK to their portfolios.
Additionally, MRK is a favorite stock for Multi-factor and Vanilla ETFs. It is also most likely to belong to Broad-based ETFs. The best-performing ETF in the past 12 months with MRK as a holding is the ProShares UltraPro S&P500 (UPRO), with a return of 23.39%.