# EDGAR Filing Document

**Accession Number:** 0001398078
**File Stem:** 0001193125-26-029180
**Filing Date:** 2026-1
**Character Count:** 4296
**Document Hash:** afdcca77e9c4265ed7bc362c81fcaf09
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-029180.hdr.sgml**: 20260129

**ACCESSION NUMBER**: 0001193125-26-029180

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260129

**DATE AS OF CHANGE**: 20260129

**EFFECTIVENESS DATE**: 20260129

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BlackRock Funds II
- **CENTRAL INDEX KEY:** 0001398078

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-142592
- **FILM NUMBER:** 26577503

**BUSINESS ADDRESS:**
- **STREET 1:** 100 BELLEVUE PARKWAY
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19809
- **BUSINESS PHONE:** 800-441-7762

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

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BlackRock Fixed Income Trust
- **DATE OF NAME CHANGE:** 20070501

## Series and Classes Contracts Data

### BLACKROCK 80/20 TARGET ALLOCATION FUND (Series ID: S000018351)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000050684 | INSTITUTIONAL SHARES |  |
| C000050685 | INVESTOR A SHARES    |  |
| C000050686 | INVESTOR C SHARES    |  |
| C000050687 | Class R Shares       |  |
| C000166010 | Class K              |  |

### BLACKROCK 40/60 TARGET ALLOCATION FUND (Series ID: S000018360)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000050742 | INSTITUTIONAL SHARES |  |
| C000050743 | INVESTOR A SHARES    |  |
| C000050744 | INVESTOR C SHARES    |  |
| C000050745 | Class R Shares       |  |
| C000166011 | Class K              |  |

### BLACKROCK 20/80 TARGET ALLOCATION FUND (Series ID: S000018373)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000050785 | INSTITUTIONAL SHARES |  |
| C000050786 | INVESTOR A SHARES    |  |
| C000050787 | INVESTOR C SHARES    |  |
| C000050788 | Class R Shares       |  |
| C000166012 | Class K              |  |

### BLACKROCK 60/40 TARGET ALLOCATION FUND (Series ID: S000018380)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000050829 | INSTITUTIONAL SHARES |  |
| C000050830 | INVESTOR A SHARES    |  |
| C000050831 | INVESTOR C SHARES    |  |
| C000050832 | Class R Shares       |  |
| C000166013 | Class K              |  |

January 29, 2026

**VIA ELECTRONIC FILING** 

Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

Attention: Division of Investment Management

RE: BlackRock 20/80 Target Allocation Fund, BlackRock 40/60 Target Allocation

Fund, BlackRock 60/40 Target Allocation Fund and BlackRock 80/20 Target

Allocation Fund, each a series of BlackRock Funds II

Post-Effective Amendment No. 385 to the Registration Statement on Form N-1A<u> </u>

<u>(Securities Act File No.</u> <u>333-142592, Investment Company Act File No.</u> <u>811-22061)</u>

Ladies and Gentlemen:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended (the "1933 Act"), BlackRock Funds II (the "Registrant"), on behalf of its series, BlackRock 20/80 Target Allocation Fund, BlackRock 40/60 Target Allocation Fund, BlackRock 60/40 Target Allocation Fund and BlackRock 80/20 Target Allocation Fund (the "Funds"), hereby certifies that:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1) the forms of Prospectuses and Statement of Additional Information that would have been filed pursuant to Rule 497(c) under the 1933 Act would not have differed from that contained in Post-Effective Amendment No. 385 to the Registration Statement on Form N-1A of the Registrant under the 1933 Act with respect to the Funds; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2) the text of Post-Effective Amendment No. 385 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 January 27, 2026.

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| |
|:---|
| Sincerely, |
| BlackRock Funds II |
| /s/ Janey Ahn |
| Janey Ahn |
| Secretary of the Registrant |

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