Aon Plc Class A is a company in the U.S. stock market and it is a holding in 148 U.S.-traded ETFs. AON has around 16.9M shares in the U.S. ETF market. The largest ETF holder of AON is the SPDR S&P 500 ETF Trust (SPY), with approximately 2.43M shares. Investors may also find of interest that the ETF with the largest allocation to AON stock is SPDR S&P Insurance ETF (KIE), with a portfolio weight of 2.13%. On average, U.S. ETFs allocate 0.38% of AON to their portfolios.
Additionally, AON 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 AON as a holding is the Siren Nasdaq NexGen Economy ETF (BLCN), with a return of 51.00%.