# EDGAR Filing Document

**Accession Number:** 0001976322
**File Stem:** 0001829126-26-001158
**Filing Date:** 2026-2
**Character Count:** 2355
**Document Hash:** 45d0f67a6fbe248bac2253f7a9839304
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001829126-26-001158.hdr.sgml**: 20260210

**ACCESSION NUMBER**: 0001829126-26-001158

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260210

**DATE AS OF CHANGE**: 20260209

**EFFECTIVENESS DATE**: 20260210

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Themes ETF Trust
- **CENTRAL INDEX KEY:** 0001976322

**ORGANIZATION NAME:**
- **EIN:** 000000000

**FILING VALUES:**
- **FORM TYPE:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-271700
- **FILM NUMBER:** 26613201

**BUSINESS ADDRESS:**
- **STREET 1:** 34 EAST PUTNAM STREET
- **STREET 2:** SUITE 112
- **CITY:** GREENWICH
- **STATE:** CT
- **ZIP:** 06830
- **BUSINESS PHONE:** (646) 206-1788

**MAIL ADDRESS:**
- **STREET 1:** 34 EAST PUTNAM STREET
- **STREET 2:** SUITE 112
- **CITY:** GREENWICH
- **STATE:** CT
- **ZIP:** 06830

## Series and Classes Contracts Data

### Leverage Shares 2X Long World Stock Daily ETF (Series ID: S000100609)

| Class ID   | Class Name                                    | Ticker Symbol   |
|:---|:---|:---|
| C000270438 | Leverage Shares 2X Long World Stock Daily ETF |  |

![](image_001.jpg)

February 10, 2026

**VIA EDGAR TRANSMISSION**

U.S. Securities and Exchange Commission

Division of Investment Management

100 F Street, N.E.

Washington, D.C. 20549

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| | |
|:---|:---|
| **RE:** | **Themes ETF Trust (File Nos. 811-23872 and 333-271700)** |

---

Ladies and Gentlemen:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, and the regulations thereunder, the Trust hereby certifies that the form of Prospectus and Statement of Additional Information that would have been filed under Rule 497(b) or (c) would not have differed from those contained in Post-Effective Amendment No. 105 to the Trust's Registration Statement on Form N-1A, filed on February 4, 2026 for the following series:

Leverage Shares 2X Long World Stock Daily ETF

If you have any questions concerning the foregoing, please contact the undersigned at (513) 708-6391 or Tina.Bloom@Practus.com.

Regards,

---

| |
|:---|
| <u>/s/ Tina H. Bloom</u> |
| On behalf of Practus, LLP |

---

![](image_002.jpg)

**TINA H. BLOOM ● PARTNER**

11300 Tomahawk Creek Pkwy ● Ste. 310 ● Leawood, KS 66211 ● p: 513.708.6391

Practus, LLP ● Tina.Bloom@Practus.com ● Practus.com