Incorporated in 1832 and headquartered in Boston, MA, State Street Corporation is a financial holding company. It provides a range of products and services for institutional investors worldwide through its subsidiaries.

The company primarily performs its business through its principal banking subsidiary, State Street Bank. Its customers include providers of mutual funds, managers of collective investment funds and other investment pools, providers of corporate and public retirement plans, insurance companies, foundations, endowments and investment managers.

State Street operates through the following two divisions:

The Investment Servicing division (constituting 78.3% of total fee revenues in 2023) offers a range of services, including custody, product-and participant-level accounting, daily pricing and administration; master trust and master custody; recordkeeping; shareholder accounting; foreign exchange, brokerage and other trading; securities finance; deposit and short-term investment facilities; loans and lease financing; outsourcing of investment manager and hedge fund manager operations, as well as performance, risk and compliance analytics.

The Investment Management division (21.7%) provides a range of services for managing financial assets such as investment research services and investment management, including both passive and active U.S. and non-U.S. equity as well as fixed-income strategies, in addition to other related services such as securities finance.

State Street acquired GE Asset Management in 2016 and Charles River Development (CRD) in 2018. In 2021, it acquired Mercatus, Inc. In February 2024, it acquired CF Global Trading.

As of Sept. 30, 2024, State Street had assets under custody and administration (AUC/A) of $46.76 trillion and assets under management (AUM) of $4.73 trillion.