Marsh & McLennan Companies, Inc. is a company in the U.S. stock market and it is a holding in 234 U.S.-traded ETFs. MMC has around 43.2M shares in the U.S. ETF market. The largest ETF holder of MMC is the SPDR S&P 500 ETF Trust (SPY), with approximately 5.42M shares. Investors may also find of interest that the ETF with the largest allocation to MMC stock is Janus Henderson International Sustainable Equity ETF (SXUS), with a portfolio weight of 3.24%. On average, U.S. ETFs allocate 0.57% of MMC to their portfolios.

Additionally, MMC is a favorite stock for Active and Vanilla ETFs. It is also most likely to belong to Broad-based ETFs. The best-performing ETF in the past 12 months with MMC as a holding is the Aptus Collared Income Opportunity ETF (ACIO), with a return of --.