# EDGAR Filing Document

**Accession Number:** 0001761055
**File Stem:** 0001193125-25-140001
**Filing Date:** 2025-6
**Character Count:** 2289
**Document Hash:** 9f49ff6d1df5899a2e4482e0e57f6e93
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-140001.hdr.sgml**: 20250612

**ACCESSION NUMBER**: 0001193125-25-140001

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250612

**DATE AS OF CHANGE**: 20250612

**EFFECTIVENESS DATE**: 20250612

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BlackRock ETF Trust
- **CENTRAL INDEX KEY:** 0001761055

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0731

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-228832
- **FILM NUMBER:** 251043480

**BUSINESS ADDRESS:**
- **STREET 1:** 100 BELLEVUE PARKWAY
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19809
- **BUSINESS PHONE:** 8004417762

**MAIL ADDRESS:**
- **STREET 1:** 100 BELLEVUE PARKWAY
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19809

## Series and Classes Contracts Data

### iShares International Country Rotation Active ETF (Series ID: S000088408)

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|  |  |
|:---|:---|
| Class Name                                        | Class ID   |
| iShares International Country Rotation Active ETF | C000254669 |

---

## Series and Classes Contracts Data

### iShares International Country Rotation Active ETF (Series ID: S000088408)

| Class ID   | Class Name                                        | Ticker Symbol   |
|:---|:---|:---|
| C000254669 | iShares International Country Rotation Active ETF |  |

**BlackRock ETF Trust** 

iShares International Country Rotation Active ETF

(the "Fund")

**Supplement dated June 12, 2025 to the Statement of Additional Information ("SAI") of the Fund, dated** 

**November 27, 2024, as amended or supplemented to date** 

**Effective immediately, the Fund's SAI is amended as follows:** 

The chart listing investments and investment strategies in the section entitled "Investment Objective and Policies" is amended to reflect that the Fund may invest in REITs, as follows:

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| | | |
|:---|:---|:---|
| | **iShares<br>International<br>Country Rotation<br>Active ETF** | **iShares<br>International<br>Country Rotation<br>Active ETF** |
| **Real Estate Investment Trusts ("REITs")** | | X |

---

**Shareholders should retain this Supplement for future reference.** 

SAI-CORO-0625SUP