# EDGAR Filing Document

**Accession Number:** 0001976322
**File Stem:** 0001829126-26-007057
**Filing Date:** 2026-6
**Character Count:** 2527
**Document Hash:** dbfa81cbfae8f0aca81c975c7f843e95
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001829126-26-007057.hdr.sgml**: 20260630

**ACCESSION NUMBER**: 0001829126-26-007057

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260630

**DATE AS OF CHANGE**: 20260630

**EFFECTIVENESS DATE**: 20260630

**FILER**: 

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

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

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-271700
- **FILM NUMBER:** 261140326

**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 SATS Daily ETF (Series ID: S000098112)

---

|  |  |
|:---|:---|
| Class Name                             | Class ID   |
| Leverage Shares 2X Long SATS Daily ETF | C000267762 |

---

## Series and Classes Contracts Data

### Leverage Shares 2X Long SATS Daily ETF (Series ID: S000098112)

| Class ID   | Class Name                             | Ticker Symbol   |
|:---|:---|:---|
| C000267762 | Leverage Shares 2X Long SATS Daily ETF |  |

**Filed pursuant to Rule 497(e)**

**Registration No. 333-271700**

**THEMES ETF TRUST**

**Leverage Shares 2X Long SATS Daily ETF**

**Supplement dated June 30, 2026, to the Fund's Prospectus, Summary Prospectus**

**and Statement of Additional Information, each dated December 15, 2025**

Effective June 24, 2026, EchoStar Corporation (the "Underlying Security") changed its ticker symbol from SATS to ECHO. Accordingly, the following changes will take effect on July 1, 2026 with respect to the Leverage Shares 2X Long SATS Daily ETF (the "Fund"):

1. The name of the Fund is changed to Leverage Shares 2X Long ECHO Daily ETF.

2. The Fund's ticker symbol is changed from SATG to ECHX.

3. The Underlying Security's ticker symbol is changed from SATS to ECHO.

All references to the Fund's name, the Fund's ticker symbol and the Underlying Security's ticker symbol in the Fund's Prospectus, Summary Prospectus and Statement of Additional Information are hereby changed as specified above. Shareholders do not need to take any action in connection with these updates.

**SHAREHOLDERS SHOULD RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE**