State Street Global Advisors (SSgA) — Key Facts
| Full Name | State Street Global Advisors (SSgA) |
| Parent Company | State Street Corporation (NYSE: STT) |
| Founded | 1978 |
| Headquarters | Boston, Massachusetts, USA |
| AUM | ~$4.1+ trillion (as of 2024) |
| Most Famous Product | SPDR S&P 500 ETF (NYSE: SPY) |
State Street Global Advisors (SSgA) is the investment management division of State Street Corporation, one of the world’s largest custodian banks. SSgA is the world’s third-largest asset manager by AUM, with over $4 trillion in assets under management. It is best known as the creator of the first US exchange-traded fund (ETF) — the SPDR S&P 500 ETF (SPY), launched in January 1993, which remains one of the most widely traded securities in the world.
Who Owns State Street Global Advisors?
SSgA is a wholly-owned subsidiary of State Street Corporation, a publicly traded financial holding company listed on the New York Stock Exchange (NYSE: STT). State Street Corporation is owned by its public shareholders — institutional investors, index funds, and retail investors who hold STT shares. The largest shareholders of State Street Corporation are major index fund managers including Vanguard, BlackRock, and State Street’s own funds. State Street Corporation traces its roots to 1792 in Boston, Massachusetts, making it one of the oldest financial institutions in the United States.
History and Background
State Street Global Advisors was established in 1978 as the investment management arm of State Street Bank. Its landmark achievement came in January 1993 when it launched the SPDR S&P 500 ETF Trust — commonly known by its ticker “SPY” — making it the first exchange-traded fund in the United States. SPY revolutionized investing by allowing investors to buy and sell a diversified basket of S&P 500 stocks as easily as a single stock. As of 2024, SPY has over $500 billion in assets, making it the world’s largest ETF.
Products and Investment Philosophy
SSgA manages a wide range of passive and active investment strategies. Its flagship SPDR family of ETFs covers equities, fixed income, commodities (including SPDR Gold Shares, GLD), and sector-specific funds. SSgA is also known for its institutional asset management capabilities, managing large pension fund mandates globally. The firm is well-known in ESG investing and uses its shareholder voting power to advocate for board diversity and sustainability disclosures at portfolio companies.
