The BlackRock Innovation and Growth Trust of Benef Interest (BIGZ) is a mutual fund that focuses on investing in innovative and growing companies. It is managed by BlackRock, one of the largest investment management firms in the world. This fund aims to provide investors with long-term capital appreciation by investing in companies that are at the forefront of technological advancements and have strong potential for growth. With a diverse portfolio of companies across various industries, BIGZ offers investors the opportunity to participate in the growth of innovative businesses.