Berkshire Hathaway Inc. Class B is a company in the U.S. stock market and it is a holding in 202 U.S.-traded ETFs. BRK.B has around 121.1M shares in the U.S. ETF market. The largest ETF holder of BRK.B is the SPDR S&P 500 ETF Trust (SPY), with approximately 19.46M shares. Investors may also find of interest that the ETF with the largest allocation to BRK.B stock is Financial Select Sector SPDR Fund (XLF), with a portfolio weight of 12.93%. On average, U.S. ETFs allocate 1.75% of BRK.B to their portfolios.

Additionally, BRK.B 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 BRK.B as a holding is the Direxion Daily Financial Bull 3x Shares (FAS), with a return of 224.35%.