The BlackRock Liquidity Funds Treasury Trust Fund Portfolio Institutional (TTTXX) is a mutual fund that focuses on investing in short-term, high-quality Treasury securities. It is managed by BlackRock, one of the largest investment management firms in the world. This fund is designed for institutional investors seeking a low-risk, liquid investment option. With a ticker symbol of TTTXX, this fund offers a convenient and efficient way to access the stability and security of Treasury securities.