# EDGAR Filing Document

**Accession Number:** 0001540305
**File Stem:** 0000894189-25-005099
**Filing Date:** 2025-7
**Character Count:** 2515
**Document Hash:** 4de9d698b00b9494b264398e4579a06d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000894189-25-005099.hdr.sgml**: 20250722

**ACCESSION NUMBER**: 0000894189-25-005099

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250722

**DATE AS OF CHANGE**: 20250722

**EFFECTIVENESS DATE**: 20250722

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ETF Series Solutions
- **CENTRAL INDEX KEY:** 0001540305

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1112

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-179562
- **FILM NUMBER:** 251141060

**BUSINESS ADDRESS:**
- **STREET 1:** 615 EAST MICHIGAN ST
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53202
- **BUSINESS PHONE:** 414-287-3700

**MAIL ADDRESS:**
- **STREET 1:** 615 EAST MICHIGAN ST
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53202

## Series and Classes Contracts Data

### Defiance Quantum ETF (Series ID: S000062478)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Defiance Quantum ETF | QTUM          | C000202668 |

---

### Defiance Connective Technologies ETF (Series ID: S000064804)

---

|  |  |  |
|:---|:---|:---|
| Class Name                           | Ticker Symbol | Class ID   |
| Defiance Connective Technologies ETF | SIXG          | C000209826 |

---

## Series and Classes Contracts Data

### Defiance Quantum ETF (Series ID: S000062478)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000202668 | Defiance Quantum ETF | QTUM            |

### Defiance Connective Technologies ETF (Series ID: S000064804)

| Class ID   | Class Name                           | Ticker Symbol   |
|:---|:---|:---|
| C000209826 | Defiance Connective Technologies ETF | SIXG            |

Filed Pursuant to Rule 497(e)

File No. 333-179562; 811-22668

**Defiance Quantum ETF (QTUM)** 

**Defiance Connective Technologies ETF (SIXG)**

**(each, a "Fund", together, the "Funds")**

July 22, 2025

**Supplement to the Prospectus dated April 30, 2025**

*The second paragraph under the sub-heading Sub-Adviser in the Management section of the prospectus is replaced in its entirety with the following:*

For its services to each Fund, the Sub-Adviser is paid a fee by the Adviser, which fee is calculated daily and paid monthly, at an annual rate based on the average daily net assets of the Fund.

**Please retain this Supplement with your Prospectus for future reference.**

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