# John Hancock Sovereign Bond Fund

John Hancock Sovereign Bond Fund (CIK 45288) is an SEC-registered fund company with 1 reporting fund series and $26.5B in net assets as of 2026-05-31.

## Registrant

- CIK: 45288
- File number: 811-02402
- LEI: 549300USMZ9ZFEUQSP11
- Address: 200 Berkeley Street, Boston, US-MA, 02116
- Phone: 617-543-9634
- Net assets: $26.5B
- Total assets: $26.7B
- Fund series: 1
- Latest report: 2026-05-31

## Fund series (1)

| Series | Net assets |
| --- | --- |
| [Bond Fund](https://search.stillhousedata.com/fund/S000000646) | $26.5B |

## Largest reported holdings (across all series)

| Holding | Value |
| --- | --- |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/912810UR7) | $573.4M |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/912810UN6) | $395.1M |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/912810UM8) | $335.0M |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/912810TW8) | $280.4M |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/912810SP4) | $275.0M |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/912810SL3) | $256.3M |
| JH COLLATERAL | $248.9M |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/912810SS8) | $215.2M |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/91282CQR5) | $187.0M |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/912810UF3) | $153.3M |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/912810UT3) | $150.3M |
| [United States Treasury Note/Bond](https://search.stillhousedata.com/security/91282CQK0) | $137.1M |
| [Fannie Mae Pool](https://search.stillhousedata.com/security/31418ECR9) | $127.7M |
| [Fannie Mae Pool](https://search.stillhousedata.com/security/3140XGHK8) | $124.1M |
| [Fannie Mae Pool](https://search.stillhousedata.com/security/3140QQDS1) | $121.5M |

## More

- [CIK 45288 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=45288&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/registrant/45288.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.