State Street Bank and Trust Company
Boston, MA · Owner: State Street Corporation
$413B
total assets, June 30, 2026
$413B
total assets, June 30, 2026
State Street Bank and Trust Company is a state member bank based in Boston, MA, owned by State Street Corporation (STT). As of June 30, 2026 it held $412.6 billion in assets and $326.2 billion in deposits; assets were up 11.0% from a year before. It has 3 branches in 3 states.
Updated Oct 10, 2026 · numbers as of June 30, 2026
Total assets
$413B
+11.0% in a year · +6.7% in a quarter
Deposits
$326B
+12.9% in a year · +8.9% in a quarter
Loans
$52.4B
+10.3% in a year · +6.1% in a quarter
Profit so far
$1.9B
Jan 1 to Jun 30, 2026 · +31.1% in a year
Capital ratio
5.85%
-0.19 pts in a year
Return on assets
0.97%
+0.18 pts in a year
Facts
- Type
- State member bank
- Head office
- One Congress Street, Boston, MA, 02114
- County
- Suffolk
- Holding company
- State Street Corporation (STT)
- Established
- Jan 1, 1792
- Employees
- 48,653
- Branches
- 3 in 3 states
- Website
- www.statestreet.com
- Id
- b14
Quarter by quarter
March 31, 1984 to June 30, 2026
Assets, deposits and loans
Each quarter end, US dollars
Profit by quarter
Net income of each quarter, the last 12
Ratios
Percent. Return on assets and net interest margin are yearly rates.
Branches
3 offices as of June 30, 2026, holding $242.1 billion in deposits
Branch map
Every branch, sized by its deposits
| State | Branches | Deposits | Share |
|---|---|---|---|
| Massachusetts | 1 | $242B | 100.0% |
| Missouri | 1 | $0 | 0.0% |
| New Jersey | 1 | $0 | 0.0% |
| Largest branches | Place | Deposits |
|---|---|---|
| State Street Bank And Trust Company (main office) | Boston, MA | $242B |
| State Street Bank And Trust Company - Kansas City, Missouri Branch | Kansas City, MO | $0 |
| State Street Bank And Trust Company - New Jersey Branch | Jersey City, NJ | $0 |
Related pages
Questions and answers
How big is State Street Bank and Trust Company?
$412.6 billion in total assets and $326.2 billion in deposits as of June 30, 2026, with assets up 11.0% from a year before. Its loans were $52.4 billion.
How many branches does State Street Bank and Trust Company have?
3 branches in 3 states as of June 30, 2026. The most deposits are in Massachusetts ($242.1 billion).
Is State Street Bank and Trust Company profitable?
Yes: it earned $1.9 billion from January 1 to June 30, 2026 (up 31.1% from the same months a year before). Its return on assets was 0.97% a year; about 1% is typical.
Who owns State Street Bank and Trust Company?
State Street Bank and Trust Company is owned by State Street Corporation, its holding company, which is listed as STT.
Official public data from the reports every insured bank files each quarter. Profit so far runs from January 1 to the quarter end. Branch deposits are counted once a year, as of June 30. New quarters appear about two months after the quarter ends.