Merck & Co., Inc. is a company in the U.S. stock market and it is a holding in 280 U.S.-traded ETFs. MRK has around 226.4M shares in the U.S. ETF market. The largest ETF holder of MRK is the SPDR S&P 500 ETF Trust (SPY), with approximately 26.03M shares. Investors may also find of interest that the ETF with the largest allocation to MRK stock is iShares Evolved U.S. Innovative Healthcare ETF (IEIH), with a portfolio weight of 6.17%. On average, U.S. ETFs allocate 1.18% of MRK to their portfolios.
Additionally, MRK 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 MRK as a holding is the iShares Morningstar U.S. Equity ETF (ILCB), with a return of 498.40%.