# William Blair Ultra-Short Duration Bond Fund

William Blair Ultra-Short Duration Bond Fund is a registered fund series of WILLIAM BLAIR FUNDS (series S000027022). Net assets $40.5M as of 2022-03-31.

## Profile

- Series ID: S000027022
- Registrant: WILLIAM BLAIR FUNDS
- LEI: 549300RRFEVNFIB5NY92
- Net assets: $40.5M
- Total assets: $40.5M
- As of: 2022-03-31

## Advisers

- [William Blair Investment Management, LLC (Advisor)](https://search.stillhousedata.com/firm/173961)

## Top holdings (6 reported)

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| Fixed Income Clearing Corp | — | $35.3M | 8711.65% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CBY6) | — | $2.5M | 618.68% |
| [United States Treasury](https://search.stillhousedata.com/security/912796G45) | — | $1.0M | 250.82% |
| [United States Treasury](https://search.stillhousedata.com/security/912796K57) | — | $1.0M | 250.40% |
| [United States Treasury](https://search.stillhousedata.com/security/912828ZK9) | — | $500K | 123.58% |
| [United States Treasury](https://search.stillhousedata.com/security/91282CAG6) | — | $259K | 64.05% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2022-03-31 | $40.5M |
| 2021-12-31 | $106.1M |
| 2021-09-30 | $133.8M |
| 2021-06-30 | $140.6M |
| 2021-03-31 | $166.3M |
| 2020-12-31 | $158.1M |
| 2020-09-30 | $142.5M |
| 2020-06-30 | $110.2M |

## More

- [Registrant: WILLIAM BLAIR FUNDS](https://search.stillhousedata.com/registrant/822632)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000027022.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.