Fidelity Investments, formerly known as Fidelity Management & Research (FMR), is an American multinational financial services corporation based in Boston, Massachusetts. Established in 1946, the company is one of the largest asset managers in the world, with $5.8 trillion in assets under management, and $15.0 trillion in assets under administration, as of September 2024, Fidelity Investments operates a brokerage firm, manages a large family of mutual funds, provides fund distribution and investment advice, retirement services, index funds, wealth management, securities execution and clearance, asset custody, and life insurance.

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. Headquartered in New York City, BlackRock has 70 offices in 30 countries, and clients in 100 countries.

The Vanguard Group, Inc. is an American registered investment advisor founded on May 1, 1975, and based in Malvern, Pennsylvania, with about $10.1 trillion in global assets under management as of September 2024. It is the largest provider of mutual funds and the second-largest provider of exchange-traded funds (ETFs) in the world after BlackRock's iShares.