# EDGAR Filing Document

**Accession Number:** 0001221845
**File Stem:** 0001193125-26-010704
**Filing Date:** 2026-1
**Character Count:** 5393
**Document Hash:** 7b0d278805be3a5a958966424fade44d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-010704.hdr.sgml**: 20260113

**ACCESSION NUMBER**: 0001193125-26-010704

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260113

**DATE AS OF CHANGE**: 20260112

**EFFECTIVENESS DATE**: 20260113

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BLACKROCK ALLOCATION TARGET SHARES
- **CENTRAL INDEX KEY:** 0001221845

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-109980
- **FILM NUMBER:** 26527931

**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 BOND ALLOCATION TARGET SHARES
- **DATE OF NAME CHANGE:** 20030306

## Series and Classes Contracts Data

### BATS: Corporate Credit Total Return Series (Series ID: S000001469)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                 | Ticker Symbol | Class ID   |
| BATS: Corporate Credit Total Return Series | BRACX         | C000003891 |

---

## Series and Classes Contracts Data

### BATS: Corporate Credit Total Return Series (Series ID: S000001469)

| Class ID   | Class Name                                 | Ticker Symbol   |
|:---|:---|:---|
| C000003891 | BATS: Corporate Credit Total Return Series | BRACX           |

**BLACKROCK ALLOCATION TARGET SHARES** 

**BATS: Corporate Credit Total Return Series** 

(the "Fund")

**Supplement dated January 13, 2026 (the "Supplement") to the Fund's** 

**Summary Prospectus and Prospectus, each dated October 1, 2025, as supplemented to date** 

**Effective immediately, the following changes are made to the Fund's Summary Prospectus and Prospectus, as applicable:** 

**The section of the Summary Prospectus entitled "Key Facts About BATS: Corporate Credit Total Return Series — Portfolio Managers" and the section of the Prospectus entitled "Fund Overview — Key Facts About BATS: Corporate Credit Total Return Series — Portfolio Managers" are deleted in their entirety and replaced with the following:** 

***Portfolio Managers***

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| | | |
|:---|:---|:---|
| **Portfolio Manager** | **Portfolio Manager of<br>the Fund Since** | **Title** |
| Michael Heilbronn | 2015 | Director of BlackRock, Inc. |
| David Benelli | 2026 | Director of BlackRock, Inc. |
| Nathaniel Toothaker | 2025 | Managing Director of BlackRock, Inc. |
| Matthew Wang | 2025 | Managing Director of BlackRock, Inc. |

---

**The section of the Prospectus entitled "Details About the Funds — How Each Fund Invests — BATS: Corporate Credit Total Return Series — About the Portfolio Management of the BATS: Corporate Credit Total Return Series" is deleted in its entirety and replaced with the following:** 

---

| |
|:---|
| &nbsp;&nbsp;&nbsp;**ABOUT THE PORTFOLIO MANAGEMENT OF THE BATS: CORPORATE CREDIT TOTAL RETURN SERIES** |
| &nbsp;&nbsp;&nbsp;The BATS: Corporate Credit Total Return Series is managed by a team of financial professionals. David Benelli, Nathaniel Toothaker, Michael Heilbronn and Matthew Wang are the portfolio managers and are jointly and primarily responsible for the day-to-day management of the Fund. Please see "Management of the Funds — Portfolio Manager Information" for additional information about the portfolio management team. |

---

**The section of the Prospectus entitled "Management of the Funds — Portfolio Manager Information — BATS: Corporate Credit Total Return Series" is deleted in its entirety and replaced with the following:** 

**BATS: Corporate Credit Total Return Series** 

The BATS: Corporate Credit Total Return Series is managed by a team of financial professionals. David Benelli, Nathaniel Toothaker, Michael Heilbronn and Matthew Wang are jointly and primarily responsible for the day-to-day management of the Fund.

------

---

| | | | |
|:---|:---|:---|:---|
| **Portfolio Manager** | **Primary Role** | **Since** | **Title and Recent Biography** |
| Michael Heilbronn | Jointly and primarily responsible for the day-to-day management of the Fund's portfolio, including setting the Fund's overall investment strategy and overseeing the management of the Fund. | 2015 | Director of BlackRock, Inc. since 2009. |
| David Benelli | Jointly and primarily responsible for the day-to-day management of the Fund's portfolio including setting the Fund's overall investment strategy and overseeing the management of the Fund. | 2026 | Director of BlackRock, Inc. since 2019. |
| Nathaniel Toothaker | Jointly and primarily responsible for the day-to-day management of the Fund's portfolio, including setting the Fund's overall investment strategy and overseeing the management of the Fund. | 2025 | Managing Director of BlackRock, Inc. since 2023; Director of BlackRock, Inc. from 2012 to 2022. |
| Matthew Wang | Jointly and primarily responsible for the day-to-day management of the Fund's portfolio, including setting the Fund's overall investment strategy and overseeing the management of the Fund. | 2025 | Managing Director of BlackRock, Inc. since 2014. |

---

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