# EDGAR Filing Document

**Accession Number:** 0001500604
**File Stem:** 0001398344-26-004654
**Filing Date:** 2026-3
**Character Count:** 6361
**Document Hash:** c62003def117cf00b560898702878840
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001398344-26-004654.hdr.sgml**: 20260306

**ACCESSION NUMBER**: 0001398344-26-004654

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260306

**DATE AS OF CHANGE**: 20260306

**EFFECTIVENESS DATE**: 20260306

**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:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-207814
- **FILM NUMBER:** 26729531

**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 Small Cap Growth Alpha ETF (Series ID: S000052563)

| Class ID   | Class Name                                 | Ticker Symbol   |
|:---|:---|:---|
| C000165024 | Janus Henderson Small Cap Growth Alpha ETF | JSML            |

### Janus Henderson Small/Mid Cap Growth Alpha ETF (Series ID: S000052564)

| Class ID   | Class Name                                     | Ticker Symbol   |
|:---|:---|:---|
| C000165025 | Janus Henderson Small/Mid Cap Growth Alpha ETF | JSMD            |

### Janus Henderson Short Duration Income ETF (Series ID: S000055281)

| Class ID   | Class Name                                | Ticker Symbol   |
|:---|:---|:---|
| C000173876 | Janus Henderson Short Duration Income ETF | VNLA            |

### Janus Henderson Mortgage-Backed Securities ETF (Series ID: S000063007)

| Class ID   | Class Name                                     | Ticker Symbol   |
|:---|:---|:---|
| C000204446 | Janus Henderson Mortgage-Backed Securities ETF | JMBS            |

### Janus Henderson AAA CLO ETF (Series ID: S000069705)

| Class ID   | Class Name                  | Ticker Symbol   |
|:---|:---|:---|
| C000222294 | Janus Henderson AAA CLO ETF | JAAA            |

### Janus Henderson U.S. Real Estate ETF (Series ID: S000071696)

| Class ID   | Class Name                           | Ticker Symbol   |
|:---|:---|:---|
| C000227173 | Janus Henderson U.S. Real Estate ETF | JRE             |

### Janus Henderson Corporate Bond ETF (Series ID: S000073434)

| Class ID   | Class Name                         | Ticker Symbol   |
|:---|:---|:---|
| C000230327 | Janus Henderson Corporate Bond ETF | JLQD            |

### Janus Henderson B-BBB CLO ETF (Series ID: S000074691)

| Class ID   | Class Name                    | Ticker Symbol   |
|:---|:---|:---|
| C000232781 | Janus Henderson B-BBB CLO ETF | JBBB            |

### Janus Henderson Securitized Income ETF (Series ID: S000082930)

| Class ID   | Class Name                             | Ticker Symbol   |
|:---|:---|:---|
| C000246278 | Janus Henderson Securitized Income ETF | JSI             |

### Janus Henderson Emerging Markets Debt Hard Currency ETF (Series ID: S000086372)

| Class ID   | Class Name                                              | Ticker Symbol   |
|:---|:---|:---|
| C000251866 | Janus Henderson Emerging Markets Debt Hard Currency ETF | JEMB            |

### Janus Henderson Mid Cap Growth Alpha ETF (Series ID: S000087757)

| Class ID   | Class Name                               | Ticker Symbol   |
|:---|:---|:---|
| C000253667 | Janus Henderson Mid Cap Growth Alpha ETF | JMID            |

### Janus Henderson Income ETF (Series ID: S000088762)

| Class ID   | Class Name                 | Ticker Symbol   |
|:---|:---|:---|
| C000255137 | Janus Henderson Income ETF | JIII            |

### Janus Henderson Transformational Growth ETF (Series ID: S000089963)

| Class ID   | Class Name                                  | Ticker Symbol   |
|:---|:---|:---|
| C000256831 | Janus Henderson Transformational Growth ETF | JXX             |

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

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

[Janus Henderson Letterhead]

March 6, 2026

EDGAR Operations Branch

Securities and Exchange Commission

Division of Investment Management

100 F Street, N.E.

Washington, D.C. 20549-0505

Re: JANUS DETROIT STREET TRUST (the "Registrant") <br> 1933 Act File No. 333-207814 <br> 1940 Act File No. 811-23112

Dear Sir or Madam:

Pursuant to Rule 497(j) of Regulation C under the Securities Act of 1933, as amended (the "1933 Act"), the undersigned hereby certifies on behalf of the Registrant:

&nbsp;&nbsp;&nbsp;&nbsp;1. There are no changes to the following Prospectuses and Statements of Additional Information ("SAIs") from the forms of
the Prospectuses and SAIs that were filed in Post-Effective Amendment No. 88 ("PEA No. 88") on February 27, 2026, pursuant
to Rule 485(b) under the 1933 Act.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· Fixed Income ETFs Prospectuses and SAI *(except for the Janus Henderson Asset-Backed Securities ETF Prospectus)* 

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· Janus Henderson Global Artificial Intelligence ETF Prospectus and SAI

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· Janus Henderson Transformational Growth ETF Prospectus and SAI

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· Janus Henderson U.S. Real Estate ETF Prospectus and SAI

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;· Janus Henderson Mid Cap Growth Alpha ETF, Janus Henderson Small Cap Growth Alpha ETF, and Janus Henderson Small/Mid Cap Growth Alpha
ETF Prospectuses and SAI

&nbsp;&nbsp;&nbsp;&nbsp;2. The text of PEA No. 88 has been filed electronically.

If you have any questions regarding this filing, please call me at (303) 336-7903.

Respectfully,

/s/ Cara Owen

Cara Owen, Esq.

Vice President, Secretary, and Chief Legal Officer of the Registrant

Enclosure (via EDGAR)

cc: Eric Purple, Esq. <br> Jay Mensah, Esq.