# EDGAR Filing Document

**Accession Number:** 0000277751
**File Stem:** 0001193125-25-166513
**Filing Date:** 2025-7
**Character Count:** 2504
**Document Hash:** e781e3ecae19621b3d6950a0c6140789
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-166513.hdr.sgml**: 20250728

**ACCESSION NUMBER**: 0001193125-25-166513

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250728

**DATE AS OF CHANGE**: 20250728

**EFFECTIVENESS DATE**: 20250728

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** JANUS INVESTMENT FUND
- **CENTRAL INDEX KEY:** 0000277751

**ORGANIZATION NAME:**
- **EIN:** 840592523
- **STATE OF INCORPORATION:** MA

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-34393
- **FILM NUMBER:** 251156211

**BUSINESS ADDRESS:**
- **STREET 1:** 151 DETROIT STREET
- **CITY:** DENVER
- **STATE:** CO
- **ZIP:** 80206
- **BUSINESS PHONE:** 303-333-3863

**MAIL ADDRESS:**
- **STREET 1:** 151 DETROIT STREET
- **CITY:** DENVER
- **STATE:** CO
- **ZIP:** 80206

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** JANUS FUND /MD/
- **DATE OF NAME CHANGE:** 19870701

## Series and Classes Contracts Data

### Janus Henderson Emerging Markets Fund (Series ID: S000057600)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class A    | HEMAX         | C000183873 |
| Class C    | HEMCX         | C000183875 |
| Class D    | HEMDX         | C000183876 |
| Class I    | HEMIX         | C000183877 |
| Class N    | HEMRX         | C000183878 |
| Class S    | HEMSX         | C000183880 |
| Class T    | HEMTX         | C000183881 |

---

## Series and Classes Contracts Data

### Janus Henderson Emerging Markets Fund (Series ID: S000057600)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000183873 | Class A      | HEMAX           |
| C000183875 | Class C      | HEMCX           |
| C000183876 | Class D      | HEMDX           |
| C000183877 | Class I      | HEMIX           |
| C000183878 | Class N      | HEMRX           |
| C000183880 | Class S      | HEMSX           |
| C000183881 | Class T      | HEMTX           |

## Janus Investment Fund
Janus Henderson Emerging Markets Fund

Supplement dated July 28, 2025

to Currently Effective Prospectuses

and Statement of Additional Information

Effective immediately, Daniel Graña will no longer serve as Executive Vice President and Co-Portfolio Manager of **Janus Henderson Emerging Markets Fund** (the "Fund"). Matthew Culley will continue to serve as Executive Vice President and Portfolio Manager of the Fund until its liquidation on or about July 30, 2025.

**Please retain this Supplement with your records.**