# WILLIAM BLAIR FUNDS

WILLIAM BLAIR FUNDS (CIK 822632) is an SEC-registered fund company with 25 reporting fund series and $10.0B in net assets as of 2026-03-31.

## Registrant

- CIK: 822632
- File number: 811-05344
- LEI: SNQR0U5FDV8EZZX4W051
- Address: 150 NORTH RIVERSIDE PLAZA, CHICAGO, US-IL, 60606
- Phone: 312-364-8000
- Net assets: $10.0B
- Total assets: $10.1B
- Fund series: 25
- Latest report: 2026-03-31

## Fund series (25)

| Series | Net assets |
| --- | --- |
| [William Blair Large Cap Growth Fund](https://search.stillhousedata.com/fund/S000008601) | $1.8B |
| [William Blair Small-Mid Cap Growth Fund](https://search.stillhousedata.com/fund/S000008603) | $1.1B |
| [William Blair International Leaders Fund](https://search.stillhousedata.com/fund/S000037763) | $1.1B |
| [William Blair International Growth Fund](https://search.stillhousedata.com/fund/S000008604) | $1.0B |
| [William Blair Emerging Markets Growth Fund](https://search.stillhousedata.com/fund/S000008596) | $997.6M |
| [William Blair Small Cap Growth Fund](https://search.stillhousedata.com/fund/S000008602) | $992.3M |
| [William Blair Small Cap Value Fund](https://search.stillhousedata.com/fund/S000008597) | $936.0M |
| [William Blair Institutional International Growth Fund](https://search.stillhousedata.com/fund/S000008605) | $726.4M |
| [William Blair Emerging Markets Small Cap Growth Fund](https://search.stillhousedata.com/fund/S000034349) | $381.3M |
| [William Blair Small-Mid Cap Core Fund](https://search.stillhousedata.com/fund/S000066499) | $226.2M |
| [William Blair Growth Fund](https://search.stillhousedata.com/fund/S000008594) | $193.5M |
| [William Blair International Small Cap Growth Fund](https://search.stillhousedata.com/fund/S000008595) | $127.3M |
| [William Blair Emerging Markets Leaders Fund](https://search.stillhousedata.com/fund/S000021052) | $93.5M |
| [William Blair Emerging Markets Debt Fund](https://search.stillhousedata.com/fund/S000069167) | $76.0M |
| [William Blair Bond Fund](https://search.stillhousedata.com/fund/S000017307) | $74.9M |
| [William Blair Emerging Markets ex China Growth Fund](https://search.stillhousedata.com/fund/S000075390) | $60.7M |
| [William Blair Ultra-Short Duration Bond Fund](https://search.stillhousedata.com/fund/S000027022) | $40.5M |
| [William Blair Mid Cap Growth Fund](https://search.stillhousedata.com/fund/S000010050) | $33.5M |
| [William Blair Macro Allocation Fund](https://search.stillhousedata.com/fund/S000034624) | $22.8M |
| [William Blair Short Duration Bond Fund](https://search.stillhousedata.com/fund/S000008598) | $22.6M |
| [William Blair Global Leaders Fund](https://search.stillhousedata.com/fund/S000019315) | $13.2M |
| [William Blair Small-Mid Cap Value Fund](https://search.stillhousedata.com/fund/S000080810) | $3.7M |
| [William Blair China Growth Fund](https://search.stillhousedata.com/fund/S000072753) | $1.9M |
| [William Blair Mid Cap Value Fund](https://search.stillhousedata.com/fund/S000075391) | $1.4M |
| [William Blair Small-Mid Cap Value Fund](https://search.stillhousedata.com/fund/S000035064) | $1.2M |

## Largest reported holdings (across all series)

| Holding | Value |
| --- | --- |
| [Kirby Corp](https://search.stillhousedata.com/security/497266106) | $39K |
| [Globus Medical Inc](https://search.stillhousedata.com/security/379577208) | $37K |
| [Entergy Corp](https://search.stillhousedata.com/security/29364G103) | $36K |
| [STMicroelectronics NV](https://search.stillhousedata.com/security/861012102) | $33K |
| [State Street Corp](https://search.stillhousedata.com/security/857477103) | $32K |
| [Phillips 66](https://search.stillhousedata.com/security/718546104) | $32K |
| [Timken Co/The](https://search.stillhousedata.com/security/887389104) | $31K |
| [Toll Brothers Inc](https://search.stillhousedata.com/security/889478103) | $30K |
| [PPL Corp](https://search.stillhousedata.com/security/69351T106) | $30K |
| [Element Solutions Inc](https://search.stillhousedata.com/security/28618M106) | $29K |
| [Donaldson Co Inc](https://search.stillhousedata.com/security/257651109) | $29K |
| [Regency Centers Corp](https://search.stillhousedata.com/security/758849103) | $29K |
| [Allison Transmission Holdings Inc](https://search.stillhousedata.com/security/01973R101) | $29K |
| Willis Towers Watson PLC | $28K |
| [NiSource Inc](https://search.stillhousedata.com/security/65473P105) | $28K |

## More

- [CIK 822632 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=822632&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/registrant/822632.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.