# EDGAR Filing Document

**Accession Number:** 0001976517
**File Stem:** 0001398344-25-018574
**Filing Date:** 2025-9
**Character Count:** 2852
**Document Hash:** 485c21817eb23adb956a9565830287bb
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001398344-25-018574.hdr.sgml**: 20250926

**ACCESSION NUMBER**: 0001398344-25-018574

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250926

**DATE AS OF CHANGE**: 20250926

**EFFECTIVENESS DATE**: 20250926

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Roundhill ETF Trust
- **CENTRAL INDEX KEY:** 0001976517

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-273052
- **FILM NUMBER:** 251351309

**BUSINESS ADDRESS:**
- **STREET 1:** 154 WEST 14TH STREET
- **STREET 2:** 2ND FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10011
- **BUSINESS PHONE:** 6466615441

**MAIL ADDRESS:**
- **STREET 1:** 154 WEST 14TH STREET
- **STREET 2:** 2ND FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10011

## Series and Classes Contracts Data

### Roundhill China Dragons ETF (Series ID: S000086192)

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|  |  |  |
|:---|:---|:---|
| Class Name                  | Ticker Symbol | Class ID   |
| Roundhill China Dragons ETF | DRAG          | C000251598 |

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## Series and Classes Contracts Data

### Roundhill China Dragons ETF (Series ID: S000086192)

| Class ID   | Class Name                  | Ticker Symbol   |
|:---|:---|:---|
| C000251598 | Roundhill China Dragons ETF | DRAG            |

Rule 497(e)

Registration Nos. 333-273052 and 811-23887

Roundhill ETF Trust<br> (the *"Trust"*)

Roundhill China Dragons ETF

(the *"Fund"*)

September 26, 2025

Supplement To the Fund's Summary Prospectus,<br> Prospectus and Statement of Additional Information

Effective after market close on September 30, 2025, the Fund will undergo certain changes set forth below to its name, ticker symbol and certain principal investment strategies.

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| | | |
|:---|:---|:---|
| | **Old** | **New** |
| *Fund Name* | Roundhill China Dragons ETF | Roundhill China Magnificent Seven ETF |
| *Ticker Symbol* | DRAG | MAGC |
| *Principal Investment Strategies* | The Fund is an actively managed exchange-traded fund ("ETF") that seeks to achieve its investment objective through exposure to a concentrated basket of five to ten of the largest and most innovative Chinese companies (the "China Dragons"), as determined by the Fund's investment adviser, Roundhill Financial Inc. ("Roundhill" or the "Adviser"). | The Fund is an actively managed exchange-traded fund ("ETF") that seeks to achieve its investment objective through exposure to a concentrated basket of seven of the largest and most innovative Chinese companies (the "Chinese Magnificent Seven"), as determined by the Fund's investment adviser, Roundhill Financial Inc. ("Roundhill" or the "Adviser"). |

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