# EDGAR Filing Document

**Accession Number:** 0001500604
**File Stem:** 0001398344-26-007903
**Filing Date:** 2026-4
**Character Count:** 3159
**Document Hash:** 89facca3fbc546d1a7b311d3b98a69b6
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001398344-26-007903.hdr.sgml**: 20260430

**ACCESSION NUMBER**: 0001398344-26-007903

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 13

**FILED AS OF DATE**: 20260430

**DATE AS OF CHANGE**: 20260430

**EFFECTIVENESS DATE**: 20260430

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Janus Detroit Street Trust
- **CENTRAL INDEX KEY:** 0001500604

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-207814
- **FILM NUMBER:** 26924256

**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 ETF Trust
- **DATE OF NAME CHANGE:** 20100902

## Series and Classes Contracts Data

### Janus Henderson Global Artificial Intelligence ETF (Series ID: S000094567)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                         | Ticker Symbol | Class ID   |
| Janus Henderson Global Artificial Intelligence ETF | JHAI          | C000263100 |

---

## Series and Classes Contracts Data

### Janus Henderson Global Artificial Intelligence ETF (Series ID: S000094567)

| Class ID   | Class Name                                         | Ticker Symbol   |
|:---|:---|:---|
| C000263100 | Janus Henderson Global Artificial Intelligence ETF | JHAI            |

?xml version='1.0' encoding='ASCII'?

Janus Detroit Street Trust

Janus Henderson Global Artificial Intelligence ETF

Supplement dated April 30, 2026

to Currently Effective Prospectuses

Effective immediately, the prospectuses for the **Janus Henderson Global Artificial Intelligence ETF** (the "Fund") is amended as follows:

&nbsp;&nbsp;&nbsp;&nbsp;1. Under "**Principal Investment Strategy**" in the **Fund Summary** section of the Fund's prospectuses, the following replaces the corresponding paragraph in its entirety :

The Fund typically invests in approximately 40-60 equity securities of companies of any size and any sector. Under normal circumstances, the Fund typically invests at least 40% of its net assets in securities of issuers or companies that are economically tied to countries outside the United States. The Fund will not invest more than 25% of its net assets in emerging markets and will only invest in foreign securities listed on U.S. exchanges or in the form of depositary receipts. An issuer is deemed to be economically tied to a country or countries outside of the United States if one or more of the following tests are met: (i) the issuer is organized in, or its primary business office or primary trading market of its equity is located in, a country outside of the United States (ii) a majority of the issuers' revenues are derived from outside of the United States, or (iii) a majority of the issuer's assets are located outside of the United States.

Please retain this Supplement with your records.