Company:  STATE STREET CORP (STT)
Form Type:  10-Q
Filing Date:  5/4/2009 
CIK:  0000093751 
Address:  ONE LINCOLN STREET 
City, State, Zip:  BOSTON, Massachusetts 02111 
Telephone:  617 786-3000 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$40.80  
Change: 
-0.89 (-2.14%)  
Trade Time: 
Nov 20  
Market Cap: 
$20.18B
Description of Business
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  FORM 10-Q
    PART I
      MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL
      FINANCIAL STATEMENTS
        INCOME STATEMENT
      QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
      FINANCIAL STATEMENTS
        INCOME STATEMENT
        STOCKHOLDERS EQUITY
        CASH FLOW
        CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
          BALANCE SHEET
          INCOME STATEMENT
          INCOME STATEMENT
          INCOME STATEMENT
        REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
    SIGNATURES
    EXHIBIT INDEX
  EXHIBIT 12
  EXHIBIT 15
  EXHIBIT 31.1
    RULE 13a-14(a)/15d-14(a) CERTIFICATION
  EXHIBIT 31.2
    RULE 13a-14(a)/15d-14(a) CERTIFICATION
  EXHIBIT 32
    SECTION 1350 CERTIFICATIONS