Company:  SIT U S GOVERNMENT SECURI ... (SNGVX)
Form Type:  N-CSR
Filing Date:  5/22/2019 
CIK:  0000809981 
Address:  3300 IDS CTR 80 S 8TH ST 
City, State, Zip:  MINNEAPOLIS, Minnesota 55402 
Telephone:  (612) 332-3223 
Fiscal Year:  03/31 
Register and access this filing in:     
  FORM N-CSR
    Item 1: Reports to Stockholders
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      PORTFOLIO OF INVESTMENTS
      FINANCIAL STATEMENTS
        ASSETS AND LIABILITIES
        STATEMENT OF OPERATIONS
        STATEMENT OF CHANGES IN NET ASSETS
        FINANCIAL HIGHLIGHTS TABLE
        FINANCIAL HIGHLIGHTS TABLE
        FINANCIAL HIGHLIGHTS TABLE
        FINANCIAL HIGHLIGHTS TABLE
        NOTES TO FINANCIAL STATEMENTS
        NOTES TO FINANCIAL STATEMENTS
        ASSETS AND LIABILITIES
        ASSETS AND LIABILITIES
        NOTES TO FINANCIAL STATEMENTS
        NOTES TO FINANCIAL STATEMENTS
        REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
      INFORMATION ABOUT DIRECTORS AND OFFICERS (Unaudited)
        NAME AND TITLE
        NAME AND TITLE
    Item 2: Code of Ethics.
    Item 3: Audit Committee Financial Expert.
    Item 4: Principal Accountant Fees and Services.
    Item 5: Audit Committee of Listed Registrants.
    Item 7: Disclosure of Proxy Voting Policies and Procedures ...
    Item 11: Controls and Procedures -
    SIGNATURES
  EXHIBIT 99.CERT
  EXHIBIT 99.906CERT