BlackRock, Inc. is an American multinational investment company. Founded in 1988, initially as an enterprise risk management and fixed income institutional asset manager, BlackRock is the world's largest asset manager, with US$11.5 trillion in assets under management as of December 31, 2023. Headquartered in New York City, BlackRock has 70 offices in 30 countries, and clients in 100 countries. BlackRock is the manager of the iShares group of exchange-traded funds, and along with The Vanguard Group and State Street, it is considered to be one of the Big Three index fund managers.
https://en.wikipedia.org/wiki/BlackRock