State Street Corporation is a publicly traded American financial services company headquartered in Boston, Massachusetts, USA. It operates as one of the world’s largest custodial banks and asset management firms, providing services like investment management, custody and administration, risk management, and financial advisory services to institutional investors worldwide. The company’s stock is listed on the New York Stock Exchange (NYSE) under the ticker symbol STT.
Founded in 1792 as part of the now-historic Union Bank, State Street has an extensive history of evolving into a global financial institution. As of 2025, it manages trillions in assets for clients and functions as a key player in global markets.
Ownership Status of State Street Corporation
Because State Street Corporation is publicly traded, it does not have a single private owner. Instead, its ownership is dispersed among numerous institutional and individual shareholders. These shareholders hold the company’s publicly issued shares, and their ownership stakes can vary over time based on market trading and regulatory filings.
Public Company Structure
- Publicly traded: State Street’s shares are bought and sold on the NYSE, meaning ownership is open to institutional investors, mutual funds, and individual shareholders.
- No single controlling owner: No one person or organization holds a majority of the shares, so control is distributed across many investors.
Major Shareholders
Here’s a snapshot of the largest known shareholders based on the most recent available information (institutional investor holdings can shift frequently):
| Shareholder / Entity | Approx. Ownership % | Notes |
|---|---|---|
| The Vanguard Group, Inc. | ~13.2% | Largest institutional holder of STT stock. |
| BlackRock, Inc. | ~8.7% | Another top institutional investor. |
| State Street Global Advisors, Inc. | ~4.8% | Investment arm of State Street itself. |
| FMR LLC (Fidelity) | ~3.6% | Major mutual fund holding. |
| Harris Associates L.P. | ~2.7% | Significant investment manager. |
Note: These figures are approximate estimates based on institutional holdings reported in recent investor filings and market data.
Because State Street is publicly traded, its ownership percentages change routinely due to trading activity, fund rebalancing, and updated SEC disclosures. Institutional holders report positions periodically through filings like SEC Form 13F.
Key Shareholder Highlights
State Street’s shareholder base consists primarily of institutional investors — large financial firms, mutual funds, and investment managers:
- Vanguard Group, Inc. is typically the largest shareholder, often holding around 13% of shares.
- BlackRock, Inc. also holds a significant stake, reflecting broad market investing trends.
- State Street Global Advisors (the asset management subsidiary of State Street) holds a portion of shares as part of its managed funds and investment products.
Institutional ownership of State Street is substantial — typically comprising the vast majority of total shares — while individual and retail investors hold smaller portions.
FAQs
1. Who is the current owner of State Street Corporation?
There is no single owner. State Street Corporation is publicly owned, with shares held by large institutional investors and individual shareholders.
2. Is State Street Corporation publicly traded or privately owned?
It is publicly traded on the New York Stock Exchange (NYSE) under the ticker STT.
3. Who are the largest shareholders of State Street?
Major shareholders include The Vanguard Group, Inc., BlackRock, Inc., and State Street Global Advisors, Inc., among others.
4. Can ownership change over time?
Yes — ownership stakes shift frequently based on buying and selling of shares by investors and through regulatory filings.