Berkshire Hathaway Inc. Class B is a company in the U.S. stock market and it is a holding in 154 U.S.-traded ETFs. BRK.B has around 108.3M 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 22.63M shares. Investors may also find of interest that the ETF with the largest allocation to BRK.B stock is Invesco S&P Financials Revenue ETF (RWW), with a portfolio weight of 14.94%. On average, U.S. ETFs allocate 1.89% of BRK.B to their portfolios.

Additionally, BRK.B 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 BRK.B as a holding is the ProShares UltraPro S&P500 (UPRO), with a return of 92.00%.