# EDGAR Filing Document

**Accession Number:** 0001761055
**File Stem:** 0001193125-26-208341
**Filing Date:** 2026-5
**Character Count:** 3011
**Document Hash:** 1a56d1bc11a7743330500d5aa61b0ee7
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-208341.hdr.sgml**: 20260506

**ACCESSION NUMBER**: 0001193125-26-208341

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260506

**DATE AS OF CHANGE**: 20260506

**EFFECTIVENESS DATE**: 20260506

**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:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-228832
- **FILM NUMBER:** 26947274

**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 U.S. Carbon Transition Readiness Aware Active ETF (Series ID: S000071281)

| Class ID   | Class Name                                                | Ticker Symbol   |
|:---|:---|:---|
| C000226201 | iShares U.S. Carbon Transition Readiness Aware Active ETF |  |

### iShares World ex U.S. Carbon Transition Readiness Aware Active ETF (Series ID: S000071282)

| Class ID   | Class Name                                                         | Ticker Symbol   |
|:---|:---|:---|
| C000226202 | iShares World ex U.S. Carbon Transition Readiness Aware Active ETF |  |

May 6, 2026

**VIA ELECTRONIC FILING** 

Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

Attention: Division of Investment Management

RE: iShares U.S. Carbon Transition Readiness Aware Active ETF and iShares World ex U.S.

Carbon Transition Readiness Aware Active ETF, each a series of BlackRock ETF Trust

Post-Effective Amendment No. 167 to the Registration Statement on Form N-1A

<u>(Securities Act File No. 333-228832, Investment Company Act File No. 811-23402)</u>

Ladies and Gentlemen:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended (the "1933 Act"), BlackRock ETF Trust (the "Registrant"), on behalf of its series iShares U.S. Carbon Transition Readiness Aware Active ETF and iShares World ex U.S. Carbon Transition Readiness Aware Active ETF (the "Funds"), hereby certifies that:

(1) the form of Prospectus and Statement of Additional Information that would have been filed pursuant to Rule 497(c) under the 1933 Act would not have differed from those contained in Post-Effective Amendment No. 167 to the Registration Statement on Form N-1A of the Registrant with respect to the Funds; and

(2) the text of Post-Effective Amendment No. 167 to the Registration Statement on Form N-1A of the Registrant with respect to the Funds was filed electronically with the Securities and Exchange Commission on May 4, 2026.

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| |
|:---|
| Sincerely, |
| BlackRock ETF Trust |
| /s/ Janey Ahn |
| Janey Ahn |
| Secretary of the Registrant |

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