# EDGAR Filing Document

**Accession Number:** 0001107414
**File Stem:** 0001193125-23-022208
**Filing Date:** 2023-2
**Character Count:** 2551
**Document Hash:** c207d530b7a0ecb7012503b6ba2691af
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-23-022208.hdr.sgml**: 20230202

**ACCESSION NUMBER**: 0001193125-23-022208

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230202

**DATE AS OF CHANGE**: 20230202

**EFFECTIVENESS DATE**: 20230202

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** STATE STREET INSTITUTIONAL INVESTMENT TRUST
- **CENTRAL INDEX KEY:** 0001107414
- **IRS NUMBER:** 046910804
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-30810
- **FILM NUMBER:** 23578926

**BUSINESS ADDRESS:**
- **STREET 1:** STATE STREET FINANCIAL CENTER
- **STREET 2:** ONE LINCOLN STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02111
- **BUSINESS PHONE:** 6176623239

**MAIL ADDRESS:**
- **STREET 1:** ONE LINCOLN STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02111

## Series and Classes Contracts Data

### State Street Income Fund (Series ID: S000071465)

| Class ID   | Class Name               | Ticker Symbol   |
|:---|:---|:---|
| C000226666 | State Street Income Fund | SSASX           |

### State Street U.S. Core Equity Fund (Series ID: S000071466)

| Class ID   | Class Name                         | Ticker Symbol   |
|:---|:---|:---|
| C000226667 | State Street U.S. Core Equity Fund | SSAQX           |

### State Street Diversified Income Fund (Series ID: S000074810)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000233021 | Class K      | SBFYX           |

State Street Institutional Investment Trust

One Iron Street

Boston, MA 02210

February 2, 2023

**<u>VIA EDGAR</u>**

Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

Attention: Office of Filings, Information & Consumer Service

Re: State Street Institutional Investment Trust (the "Trust")

File Nos.: 811-09819 and 333-30810

Dear Sir or Madam:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, we are transmitting for filing via EDGAR on behalf of the Trust this letter as certification that the Prospectuses and Statements of Additional Information, each dated January 31, 2023, do not differ from those contained in the Post-Effective Amendment No. 295 to the Trust's Registration Statement on Form N-1A that was filed electronically via EDGAR on January 26, 2023 (Accession # 0001193125-23-016295).

If you have any questions, please contact me at (617) 662-8420.

Very truly yours,

<u>/s/ David Barr</u> 

David Barr

Secretary