# EDGAR Filing Document

**Accession Number:** 0001500604
**File Stem:** 0001193125-23-059812
**Filing Date:** 2023-3
**Character Count:** 6549
**Document Hash:** 82e98a6c2476431049640bf5d19f7d6b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-23-059812.hdr.sgml**: 20230303

**ACCESSION NUMBER**: 0001193125-23-059812

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230303

**DATE AS OF CHANGE**: 20230303

**EFFECTIVENESS DATE**: 20230303

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Janus Detroit Street Trust
- **CENTRAL INDEX KEY:** 0001500604
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE

**FILING VALUES:**
- **FORM TYPE:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-207814
- **FILM NUMBER:** 23703071

**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 International Sustainable Equity ETF (Series ID: S000073431)

| Class ID   | Class Name                                           | Ticker Symbol   |
|:---|:---|:---|
| C000230324 | Janus Henderson International Sustainable Equity ETF | SXUS            |

### Janus Henderson Net Zero Transition Resources ETF (Series ID: S000073432)

| Class ID   | Class Name                                        | Ticker Symbol   |
|:---|:---|:---|
| C000230325 | Janus Henderson Net Zero Transition Resources ETF | JZRO            |

### Janus Henderson U.S. Sustainable Equity ETF (Series ID: S000073433)

| Class ID   | Class Name                                  | Ticker Symbol   |
|:---|:---|:---|
| C000230326 | Janus Henderson U.S. Sustainable Equity ETF | SSPX            |

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

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

### Janus Henderson Sustainable & Impact Core Bond ETF (Series ID: S000073435)

| Class ID   | Class Name                                         | Ticker Symbol   |
|:---|:---|:---|
| C000230328 | Janus Henderson Sustainable & Impact Core Bond ETF | JIB             |

### 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 Letterhead]

March 3, 2023

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") |
|  | 1933 Act File No. 333-207814 |
|  | 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;&nbsp;&nbsp;&nbsp;&nbsp;1. There are no changes to the following Prospectuses and Statements of Additional Information that were filed in Post-Effective Amendment No. 50 ("PEA No. 50") on February 28, 2023, pursuant to Rule 485(b) under the 1933 Act:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Janus Henderson AAA CLO ETF & Janus Henderson B-BBB CLO ETF
Combined Prospectus

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Janus Henderson AAA CLO ETF & Janus Henderson B-BBB CLO ETF
Combined SAI

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Janus Henderson Mortgage-Backed Securities ETF Prospectus

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Janus Henderson Mortgage-Backed Securities ETF SAI

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Janus Henderson Short Duration Income ETF Prospectus

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Janus Henderson Short Duration Income ETF SAI

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Janus Henderson Small Cap Growth Alpha ETF & Janus Henderson Small/Mid Cap Growth Alpha ETF Combined
Prospectus

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Janus Henderson Small Cap Growth Alpha ETF & Janus Henderson Small/Mid Cap Growth Alpha ETF Combined SAI

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Janus Henderson U.S. Real Estate ETF Prospectus

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Janus Henderson Sustainable Equity ETFs Combined SAI

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• Janus Henderson Sustainable Fixed Income ETFs Combined SAI

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2. The text of PEA No. 50 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 S. Purple, Esq.