# BATS: Mortgage Total Return Series

BATS: Mortgage Total Return Series is a registered fund series of BlackRock Allocation Target Shares (series S000001470). Net assets $1.5B as of 2026-03-31.

## Profile

- Series ID: S000001470
- Registrant: BlackRock Allocation Target Shares
- LEI: DKP5ZOE81OU2MKOCXL37
- Net assets: $1.5B
- Total assets: $2.8B
- As of: 2026-03-31

## Advisers

- [BlackRock Advisors, LLC (Advisor)](https://search.stillhousedata.com/firm/106614)
- [BlackRock International Limited (Subadvisor)](https://search.stillhousedata.com/firm/106843)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [Federal National Mortgage Association](https://search.stillhousedata.com/security/01F050643) | — | $114.8M | 767.02% |
| [Federal National Mortgage Association](https://search.stillhousedata.com/security/01F052649) | — | $89.5M | 598.17% |
| [Federal National Mortgage Association](https://search.stillhousedata.com/security/31418FT56) | — | $81.5M | 544.60% |
| [Federal National Mortgage Association](https://search.stillhousedata.com/security/01F040644) | — | $57.7M | 385.66% |
| [Federal National Mortgage Association](https://search.stillhousedata.com/security/01F022642) | — | $46.0M | 307.49% |
| [Federal National Mortgage Association](https://search.stillhousedata.com/security/01F030645) | — | $44.8M | 299.50% |
| [Federal Home Loan Mortgage Corp.](https://search.stillhousedata.com/security/3142J6BK8) | — | $42.7M | 285.48% |
| [Federal National Mortgage Association](https://search.stillhousedata.com/security/01F060642) | — | $42.5M | 283.85% |
| [Federal National Mortgage Association](https://search.stillhousedata.com/security/01F042442) | — | $39.5M | 264.25% |
| [United States Treasury Bills](https://search.stillhousedata.com/security/912797SP3) | — | $39.3M | 262.90% |
| [Federal National Mortgage Association](https://search.stillhousedata.com/security/31418FR66) | — | $38.4M | 256.35% |
| [Federal Home Loan Mortgage Corp.](https://search.stillhousedata.com/security/3142J6B85) | — | $33.9M | 226.77% |
| [Government National Mortgage Association](https://search.stillhousedata.com/security/21H052645) | — | $32.7M | 218.49% |
| [Government National Mortgage Association](https://search.stillhousedata.com/security/36180AB85) | — | $31.1M | 208.05% |
| [Federal National Mortgage Association](https://search.stillhousedata.com/security/01F042640) | — | $29.4M | 196.22% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $1.5B |
| 2025-12-31 | $1.4B |
| 2025-09-30 | $1.4B |
| 2025-06-30 | $1.3B |
| 2025-03-31 | $1.3B |
| 2024-12-31 | $1.2B |
| 2024-09-30 | $1.2B |
| 2024-06-28 | $1.1B |

## More

- [Registrant: BlackRock Allocation Target Shares](https://search.stillhousedata.com/registrant/1221845)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000001470.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.