| STT Market Cap History Table | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Below is a table of the STT market cap history going back to 1/31/2010:
Also see: STT Shares Outstanding History and STT YTD Return |
STT Market Cap History — State Street Capitalization Over Time
As of 7/28/2026 State Street has a market cap of 50.15 billion. Investors often follow the STT market cap history to compare the size of the company over time.
This page shows STT market capitalization trends over time, with 68 market cap datapoints presented, dating back to 1/31/2010.
| STT Market Cap History Chart | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
STT Historical Market Cap: +5.35% CAGR 
Mouse over chart for data details
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| STT Stock Price Chart |
| About State Street Corp. |
| State Street Corporation is a financial holding company. Co., through its subsidiary, State Street Bank and Trust Co. (State Street Bank), provides a range of financial products and services to institutional investors. It operates through two lines of business: Investment Servicing and Investment Management. Its Investment Servicing, through State Street Investment Services, State Street Global Markets, State Street Alpha, and State Street Digital, provides investment services for clients, including mutual funds, collective investment funds and other investment pools. Its products include back-office products, such as custody, accounting, investor services and others. We show 68 historical shares outstanding datapoints in our STT shares outstanding history coverage, used to compute STT market cap on those dates. Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing STT market cap history over the course of time is important for investors interested in comparing STT's market cap history versus its peers. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies, and then calculating their respective market caps. Comparing the share price of STT versus a peer is one thing; comparing STT market cap versus a peer is a completely different story. Furthermore, via fluctuation both in per-share price and in the number of shares outstanding (via issuance of new shares over time, the repurchase of existing shares), the market cap for a company like STT can fluctuate over the course of history. With this page we aim to empower investors researching STT by allowing them to research the STT market cap history. |
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| Video: The Importance of Market Cap | |
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Video: The Importance of Market Cap
| STT Share Performance |
| Market Cap Peers |
| State Street (STT) is categorized under the Financials sector; to help you further research historical market cap numbers, below are some other companies in the same sector:
STWD Market Cap History STXB Market Cap History SUB Market Cap History SUI Market Cap History SUIG Market Cap History SUNL Market Cap History SUNS Market Cap History SUSA Market Cap History SVBI Market Cap History SVC Market Cap History More Financials companies » |
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