# BlackRock Bond Fund, Inc.

BlackRock Bond Fund, Inc. (CIK 276463) is an SEC-registered fund company with 2 reporting fund series and $17.8B in net assets as of 2026-03-31.

## Registrant

- CIK: 276463
- File number: 811-02857
- LEI: 54930030AVOSLSPZTH36
- Address: 100 Bellevue Parkway, Wilmington, US-DE, 19809
- Phone: 800-441-7762
- Net assets: $17.8B
- Total assets: $34.1B
- Fund series: 2
- Latest report: 2026-03-31

## Fund series (2)

| Series | Net assets |
| --- | --- |
| [BlackRock Total Return Fund](https://search.stillhousedata.com/fund/S000004071) | $17.8B |
| [BlackRock Sustainable Total Return Fund](https://search.stillhousedata.com/fund/S000073727) | $45.3M |

## Largest reported holdings (across all series)

| Holding | Value |
| --- | --- |
| [Federal National Mortgage Association](https://search.stillhousedata.com/security/01F052649) | $1.1B |
| [BlackRock Liquidity Funds](https://search.stillhousedata.com/security/09248U718) | $1.1B |
| [Federal National Mortgage Association](https://search.stillhousedata.com/security/01F060659) | $721.2M |
| [Federal National Mortgage Association](https://search.stillhousedata.com/security/01F032641) | $575.1M |
| [Federal National Mortgage Association](https://search.stillhousedata.com/security/01F022642) | $295.9M |
| [Blackrock Funds III](https://search.stillhousedata.com/security/066922519) | $269.7M |
| [iShares Trust](https://search.stillhousedata.com/security/464287242) | $260.3M |
| [United States Treasury Notes](https://search.stillhousedata.com/security/91282CNB3) | $208.9M |
| [Federal National Mortgage Association](https://search.stillhousedata.com/security/01F060642) | $176.4M |
| [Federal National Mortgage Association](https://search.stillhousedata.com/security/01F032658) | $133.1M |
| [United States Treasury Notes](https://search.stillhousedata.com/security/91282CNX5) | $132.5M |
| [Government National Mortgage Association](https://search.stillhousedata.com/security/21H052645) | $132.2M |
| [Discovery Global Holdings Inc.](https://search.stillhousedata.com/security/55903VBL6) | $113.7M |
| [FEDERAL HOME LN MTG CORP MULTICLASS MTG PARTN CTFS GTD](https://search.stillhousedata.com/security/3137HKBM5) | $104.4M |
| [Federal Home Loan Mortgage Corp.](https://search.stillhousedata.com/security/3132DSQ62) | $102.4M |

## More

- [CIK 276463 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=276463&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/registrant/276463.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.