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State Street is a giant financial services company that safely holds and tracks other people's money and investments, and helps big investors trade and manage their portfolios.
State Street is the quiet giant that keeps a huge amount of the world's money organized. Pension funds, mutual funds, insurance companies, and governments hire it to do two big jobs: keeping the official record of who owns what, and actually holding the assets safely.
The first job, custody, is the backbone. When a fund buys stocks or bonds, someone has to hold them, collect the dividends and interest, and keep careful records for regulators. State Street does that for trillions of dollars in assets. The second job is investment servicing and management — it runs money for clients through its State Street Global Advisors arm, which is behind the SPDR family of exchange-traded funds, including the giant SPY, the oldest US-listed ETF.
State Street started in 1792, right in Boston's Financial District, and never really left. Over the centuries it grew into a bank holding company built around two main engines: a custody bank that watches over other people's money, and an investment manager called State Street Global Advisors.
For most of its life State Street was a bank. Then in 1978 it set up an investment management arm aimed at big institutional investors, starting with simple index funds and cash solutions. That small division became the seed of a giant asset-management business.
Marshall Carter, who had run global custody at Chase Manhattan, became CEO in 1991. By then State Street barely looked like a bank anymore: it was a provider of information processing services, with most of its revenue coming from fees for watching over other people's assets. It had also pulled back from traditional lending, which helped it sail through the New England banking recession while others sank.
In 1993 State Street teamed up with the American Stock Exchange to create the first exchange-traded fund in the US. It was a quiet revolution: a fund you could buy and sell like a stock, opening markets to people who had never had easy access. More firsts followed, including the first mid-cap ETF and the first ETF in Asia outside Japan.
State Street sold its commercial banking operations to Royal Bank of Scotland in 1999, choosing to go all in on fee-based asset management and administration. By then more than three-quarters of its revenue came from those fees, so the bank was no longer really a lender at all.
In 2003 State Street bought Deutsche Bank's securities services division for about $1.5 billion. The deal made it the largest securities services firm in the world, jumping ahead of JP Morgan Chase and The Bank of New York Mellon. A quiet giant had just become the biggest one.
State Street then announced it would buy Investors Financial Services, the parent of Investors Bank & Trust, for nearly $4.5 billion, closing the deal in July 2007. That pushed it to the world's second largest custodian, watching over roughly $14 trillion of assets. Custody was becoming a game of scale, and State Street was playing to win.
Then the financial crisis exposed a mess. State Street disclosed huge losses and hidden risks tied to off-balance-sheet conduits, its securities lending program and its own investment portfolio. Its stock crashed from about $36 to under $15 in a single day, wiping out $9 billion in market value, and regulators forced it to issue new shares to shore up capital. The fee machine had a soft underbelly nobody had wanted to look at.
Ron O'Hanley, who had run State Street's asset-management unit, became CEO at the start of 2019, taking over from long-time boss Jay Hooley. He arrived as the share price had fallen more than a third that year, partly because investors doubted the $2.6 billion purchase of Charles River Development. The bet was to add front-office software to State Street's middle- and back-office platforms and turn that into new revenue.
In 2026 State Street signed an initial agreement to buy Santander CACEIS Latam Securities Services, a joint venture of Santander and CACEIS that oversees hundreds of billions in assets. The deal expands its custody, foreign exchange and fund administration reach in Brazil, Mexico and Colombia, with closing expected in 2027. The custodian that began in Boston was now buying its way deeper into Latin America.
It also sells software and services to investment firms, and its trading desk executes orders for big funds. Customers pay fees based on assets held and services used, and they stick around because switching a custodian is slow and risky. That stickiness is strength, but it also means revenue rises and falls with markets — when stocks fall, the assets it oversees shrink and fees fall with them. It competes with Bank of New York Mellon, JPMorgan, and BlackRock, among others, and it has faced regulatory heat, including a 2024 enforcement action over its ETF disclosures and compliance controls.
Saved answer · last researched 20 Oct 2026