# EDGAR Filing Document

**Accession Number:** 0001804196
**File Stem:** 0001193125-26-021829
**Filing Date:** 2026-1
**Character Count:** 1988
**Document Hash:** 4e45b09aa836471049027a25e36669b5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-021829.hdr.sgml**: 20260126

**ACCESSION NUMBER**: 0001193125-26-021829

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260126

**DATE AS OF CHANGE**: 20260126

**EFFECTIVENESS DATE**: 20260126

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BlackRock ETF Trust II
- **CENTRAL INDEX KEY:** 0001804196

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

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-236575
- **FILM NUMBER:** 26558725

**BUSINESS ADDRESS:**
- **STREET 1:** 100 BELLEVUE PARKWAY
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19809
- **BUSINESS PHONE:** 800 882 0052

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

## Series and Classes Contracts Data

### iShares Securitized Income Active ETF (Series ID: S000092376)

---

|  |  |
|:---|:---|
| Class Name                            | Class ID   |
| iShares Securitized Income Active ETF | C000260348 |

---

## Series and Classes Contracts Data

### iShares Securitized Income Active ETF (Series ID: S000092376)

| Class ID   | Class Name                            | Ticker Symbol   |
|:---|:---|:---|
| C000260348 | iShares Securitized Income Active ETF |  |

**BLACKROCK ETF TRUST II** 

iShares Securitized Income Active ETF

(the "Fund")

**Supplement dated January 26, 2026 (the "Supplement")** 

**to the Fund's Summary Prospectus, Prospectus, and Statement of Additional Information (the "SAI"),** 

**each dated July 23, 2025, as revised or supplemented to date** 

As of the close of trading on the New York Stock Exchange on January 23, 2026, BlackRock Securitized Income Fund, a series of Managed Account Series II, has been reorganized into the Fund.

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

PR2SAI-SECU-0126SUP