# EDGAR Filing Document

**Accession Number:** 0000906185
**File Stem:** 0001193125-26-206124
**Filing Date:** 2026-5
**Character Count:** 4627
**Document Hash:** e1f942e08e696b2eb4c41db147fb7f0c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-206124.hdr.sgml**: 20260505

**ACCESSION NUMBER**: 0001193125-26-206124

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260505

**DATE AS OF CHANGE**: 20260505

**EFFECTIVENESS DATE**: 20260505

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** JANUS ASPEN SERIES
- **CENTRAL INDEX KEY:** 0000906185

**ORGANIZATION NAME:**
- **EIN:** 841235540
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-63212
- **FILM NUMBER:** 26942406

**BUSINESS ADDRESS:**
- **STREET 1:** 151 DETROIT STREET
- **CITY:** DENVER
- **STATE:** CO
- **ZIP:** 80206
- **BUSINESS PHONE:** 3033333863

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

## Series and Classes Contracts Data

### Janus Henderson Balanced Portfolio (Series ID: S000010394)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000028716 | Service Shares       |  |
| C000028717 | Institutional Shares | JABLX           |

### Janus Henderson Research Portfolio (Series ID: S000010395)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000028718 | Service Shares       |  |
| C000028719 | Institutional Shares | JAGRX           |

### Janus Henderson Enterprise Portfolio (Series ID: S000010396)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000028720 | Service Shares       |  |
| C000028721 | Institutional Shares | JAAGX           |

### Janus Henderson Mid Cap Value Portfolio (Series ID: S000010397)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000028722 | Service Shares       |  |
| C000028723 | Institutional Shares | JAMVX           |

### Janus Henderson Global Research Portfolio (Series ID: S000010402)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000028728 | Service Shares       |  |
| C000028730 | Institutional Shares | JAWGX           |

### Janus Henderson Flexible Bond Portfolio (Series ID: S000010404)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000028733 | Service Shares       |  |
| C000028734 | Institutional Shares | JAFLX           |

### Janus Henderson Forty Portfolio (Series ID: S000010406)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000028736 | Service Shares       |  |
| C000028737 | Institutional Shares | JACAX           |

### Janus Henderson Global Technology and Innovation Portfolio (Series ID: S000010408)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000028740 | Service Shares       |  |
| C000028742 | Institutional Shares | JGLTX           |

### Janus Henderson Overseas Portfolio (Series ID: S000010410)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000028745 | Service Shares       |  |
| C000028747 | Institutional Shares | JAIGX           |

### Janus Henderson Global Sustainable Equity Portfolio (Series ID: S000074910)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000233309 | Institutional Shares | JHISX           |
| C000233310 | Service Shares       |  |

[Janus Henderson Letterhead]

May 5, 2026

EDGAR Operations Branch

Securities and Exchange Commission

Division of Investment Management

100 F Street, N.E.

Washington, D.C. 20549-0505

Re:

JANUS ASPEN SERIES (the "Registrant")

1933 Act File No. 033-63212

1940 Act File No. 811-07736

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 Prospectuses and Statements of Additional Information ("SAIs") from the
forms of the Prospectuses and SAIs that were filed in Post-Effective Amendment No. 100 ("PEA No. 100") on April 30, 2026, pursuant to Rule 485(b) under the 1933 Act for all currently effective series of the Registrant, and
all share classes thereof.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2. The text of PEA No. 100 has been filed electronically.

If you have any questions regarding this filing, please call me at (303) 336-7889 or email me at Jay.Mensah@janushenderson.com.

---

| |
|:---|
|  Respectfully, |
|  /s/ Jay Mensah |
|  Jay Mensah |
|  Assistant Secretary |
|  Enclosure (via EDGAR) |

---

cc: Stephanie Grauerholz, Esq. <br> Jay Mensah, Esq.