# BlackRock U.S. Mortgage Portfolio — new fund registration

Managed Account Series II registered fund series on Form 485APOS, filed 2025-06-06. Featured series: BlackRock U.S. Mortgage Portfolio.

## Registration

- Registrant / trust: Managed Account Series II
- CIK: 0001738079
- Form: 485APOS
- Filed: 2025-06-06
- State of incorporation: DE
- Accession: 0001193125-25-136927
- Reported net assets: $453.5M

## Series & classes (3)

| Series | Class | Ticker | New |
| --- | --- | --- | --- |
| [BlackRock U.S. Mortgage Portfolio](https://search.stillhousedata.com/fund/S000062368) | Investor A Shares | — | — |
| [BlackRock U.S. Mortgage Portfolio](https://search.stillhousedata.com/fund/S000062368) | Investor C Shares | — | — |
| [BlackRock U.S. Mortgage Portfolio](https://search.stillhousedata.com/fund/S000062368) | Institutional Shares | — | — |

## Fees (from the effective prospectus)

- 12b-1 fee: 0.25%
- Gross expense ratio: 0.84%
- Management fee: 0.40%
- Net expense ratio: 0.70%
- Other expenses: 0.19%

## Investment objective

The investment objective of the BlackRock Securitized Income Fund (formerly, BlackRock U.S. Mortgage Portfolio) (the Fund) is to seek high total return.

## Advisers

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

## Other filings by this registrant (2)

- [N-1A/A — 2018-07-19](https://search.stillhousedata.com/launch/0001193125-18-221412)
- [N-1A — 2018-04-20 (3 new series)](https://search.stillhousedata.com/launch/0001193125-18-124777)

## More

- [Registrant profile: Managed Account Series II](https://search.stillhousedata.com/registrant/1738079)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/launch/0001193125-25-136927.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.