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 largest asset manager worldwide, with $15.3 trillion in assets under management as of 2026. 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 Fidelity, Vanguard, and State Street, it is considered one of the "Big Three" index fund managers. Its Aladdin platform provides portfolio management, risk analytics, trading, accounting, and operational technology for institutional investors and financial organizations. Its BlackRock Solutions division provides financial risk management services. BlackRock is ranked 210th on the Fortune 500. BlackRock has sought to position itself as an industry leader in environmental, social, and governance considerations in investments. As of 2026, nine U.S. states have divested a total of $13.3 billion from BlackRock because of its ESG policies.