# EDGAR Filing Document

**Accession Number:** 0000880366
**File Stem:** 0001193125-25-298619
**Filing Date:** 2025-11
**Character Count:** 3425
**Document Hash:** 0e32f212c0c206f3139499a77c0d32ea
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-298619.hdr.sgml**: 20251126

**ACCESSION NUMBER**: 0001193125-25-298619

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20251126

**DATE AS OF CHANGE**: 20251126

**EFFECTIVENESS DATE**: 20251126

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** LEGG MASON PARTNERS INVESTMENT TRUST
- **CENTRAL INDEX KEY:** 0000880366

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1130

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-43446
- **FILM NUMBER:** 251524834

**BUSINESS ADDRESS:**
- **STREET 1:** LEGG MASON & CO., LLC
- **STREET 2:** 620 EIGHTH AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10018
- **BUSINESS PHONE:** 1-877-721-1926

**MAIL ADDRESS:**
- **STREET 1:** LEGG MASON & CO., LLC
- **STREET 2:** 620 EIGHTH AVENUE
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10018

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** LEGG MASON PARTNERS EQUITY TRUST
- **DATE OF NAME CHANGE:** 20070412

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** LEGG MASON PARTNERS INVESTMENT TRUST
- **DATE OF NAME CHANGE:** 20060407

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SMITH BARNEY INVESTMENT TRUST
- **DATE OF NAME CHANGE:** 19950831

## Series and Classes Contracts Data

### Franklin S&P 500 Index Fund (Series ID: S000004163)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class A    | SBSPX         | C000011728 |
| Class D    | SBSDX         | C000011729 |

---

## Series and Classes Contracts Data

### Franklin S&P 500 Index Fund (Series ID: S000004163)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000011728 | Class A      | SBSPX           |
| C000011729 | Class D      | SBSDX           |

BK18-SA1 11/25

![LOGO](g61655g83h05.jpg)

**LEGG MASON PARTNERS INVESTMENT TRUST** 

**SUPPLEMENT DATED NOVEMBER 26, 2025** 

**TO THE STATEMENT OF ADDITIONAL INFORMATION** 

**DATED FEBRUARY 1, 2025 OF** 

**FRANKLIN S&P 500 INDEX FUND (the "FUND")** 

The Fund is updating its diversification policy under the Investment Company Act of 1940, as amended (the "1940 Act"). Under the revised policy, the Fund will continue to track the S&P 500<sup>®</sup> Index (the "Index") and the Fund may be non-diversified as a result of a change in relative market capitalization or index weighting of one or more constituents of its Index.

**Shareholder approval will not be sought if the Fund crosses from diversified to non-diversified status under such circumstances.** 

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;I. The following is added to the "Investment Policies—Diversification" section of the Fund's
Statement of Additional Information:

The Fund intends to be diversified in approximately the same proportion as the Index is diversified. The Fund may become non-diversified, as defined in the 1940 Act, solely as a result of a change in the relative market capitalization or index weighting of one or more constituents of the Index. Shareholder approval will not be sought if the Fund crosses from diversified to non-diversified status due solely to a change in the relative market capitalization or index weighting of one or more constituents of the Index.

**Please keep this supplement with your Statement of Additional Information for future reference.**