WISNX — William Blair International Small Cap Growth Fund
Data updated: 2026-05-28
WISNX — William Blair International Small Cap Growth Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Developed ex-US Small Cap Growth Equity · $127.32M AUM · 1.87% expense ratio · 12.1% 1-yr return. From SEC regulatory filings.
WISNX Fund Overview
WISNX — William Blair International Small Cap Growth Fund is a US mutual fund managed by William Blair Funds, categorised as Developed ex-US Small Cap Growth Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: William Blair Funds
- Category: Developed ex-US Small Cap Growth Equity
- Assets under management: $127.32M
- 1-year return: 12.1%
- Ticker: WISNX
- SEC CIK: 0000822632
- SEC series ID: S000008595
- Share class ID: C000023525
WISNX Holdings
Top 10 holdings of William Blair International Small Cap Growth Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Fixed Income Clearing Corp. | 2.01% |
| Dassault Aviation SA | 1.58% |
| SOL SpA | 1.50% |
| Jentech Precision Industrial Co Ltd | 1.38% |
| Bufab AB | 1.36% |
| Chroma ATE Inc | 1.36% |
| Zegona Communications plc | 1.33% |
| WinWay Technology Co Ltd | 1.30% |
| CES Energy Solutions Corp | 1.28% |
| Aselsan Elektronik Sanayi Ve Ticaret AS | 1.14% |
WISNX Portfolio Allocation
Asset-class allocation of William Blair International Small Cap Growth Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 97.3% |
| Cash & Equivalents | 2.0% |
WISNX Performance
Total returns for WISNX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -1.5% |
| 1 year | 12.1% |
| 3 years (annualised) | 6.8% |
| 5 years (annualised) | -0.8% |
WISNX Risk Information
Risk metrics for WISNX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 14.3%
WISNX Costs and Fees
WISNX costs about $187 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.87%
- Gross expense ratio: 1.61%
- Portfolio turnover: 69%
- Brokerage commissions: 11.64 bps of average net assets (SEC N-CEN)
WISNX Cashflows
Over the 12 months to 2026-03, William Blair International Small Cap Growth Fund had net outflows of $51.87M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$197.18K |
| 2026-02 | −$494.99K |
| 2026-01 | −$334.36K |
| 2025-12 | −$878.60K |
| 2025-11 | −$1.34M |
| 2025-10 | −$15.92M |
WISNX Debt Constituents
No individual debt constituents are reported in William Blair International Small Cap Growth Fund's latest SEC N-PORT filing.
WISNX Prospectus and SEC Filings
Official William Blair International Small Cap Growth Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Developed ex-US Small Cap Growth Equity funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.