# EDGAR Filing Document

**Accession Number:** 0001976322
**File Stem:** 0001829126-26-002282
**Filing Date:** 2026-3
**Character Count:** 2064
**Document Hash:** b1ed17f2de3b7ea9f6c1d081caa84d3d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001829126-26-002282.hdr.sgml**: 20260313

**ACCESSION NUMBER**: 0001829126-26-002282

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260313

**DATE AS OF CHANGE**: 20260313

**EFFECTIVENESS DATE**: 20260313

**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:** 26752001

**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 TER Daily ETF (Series ID: S000096192)

---

|  |  |
|:---|:---|
| Class Name                            | Class ID   |
| Leverage Shares 2X Long TER Daily ETF | C000264981 |

---

## Series and Classes Contracts Data

### Leverage Shares 2X Long TER Daily ETF (Series ID: S000096192)

| Class ID   | Class Name                            | Ticker Symbol   |
|:---|:---|:---|
| C000264981 | Leverage Shares 2X Long TER Daily ETF |  |

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

**Registration No. 333-271700**

**THEMES ETF TRUST**

**Leverage Shares 2X Long TER Daily ETF (the "Fund")**

A series of Themes ETF Trust

**Supplement dated March 13, 2026, to the currently effective Summary Prospectus dated**

**November 12, 2005, and the Prospectus dated October 27, 2025 (as supplemented**

**on October 29, 2005), of the Fund**

Effective March 13, 2026, the Fund is expected to allocate up to 100% of its assets as collateral for swap agreements or as premiums for purchased options contracts. If you have any questions, please call 1-866-5Themes (1-866-584-3637).

***Please retain this Supplement for future reference***