Blackrock and Vanguard own GME because they operate the biggest S&P ETFs and mutual funds.
GME has increased its percentage of the S&P because retail investors have bought the position. Blackrock is not taking a position that a short squeeze is possible they are just reacting to the index.
GME has increased its percentage of the S&P because retail investors have bought the position. Blackrock is not taking a position that a short squeeze is possible they are just reacting to the index.