WIISX Mutual Fund

NAV$15.46

Fund Essentials - as of Mar 31, 2026

Net Assets
$174M
Expense Ratio
1.05%
Dividend Yield (Current)
0.59%
Holdings
140
Inception Date
Nov 1, 2005
Fund Family
William Blair Funds
Investment Style
PRO
Asset Class
PRO
Legal Structure
PRO
Dividend Frequency
Annually

Performance

YTD+10.77%
1 Year+7.77%
3 Year+10.64%
5 Year-0.08%
10 Year+6.43%

Asset Allocation

Stocks: 97.60%
Bonds: 0.37%
Other: 2.03%

Price Chart (6M)

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Top Holdings

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TickerNameWeight
-Fixed Inc Clearing Corp.Repo2.01%
AMAntero Midstream Corp1.58%
SOL:MISol Spa1.50%
3653:TWJentech Precision Industrial Co Ltd1.38%
BUFAB:STBufab Ab Npv1.36%
Top 10 Concentration: 14.24%Report Date: Mar 31, 2026
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Dividend Summary

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Dividend Yield (Current)
0.59%
Frequency
Annually
Latest Distribution
$2.74
-

Peer Comparison

Benchmark
PRO
Peer outperformance: PRO
Category rank: PRO
This Mutual Fund
PRO
Peer Avg
PRO
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Category rank, peer-average returns and outperformance, updated daily.
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WIISX Mutual Fund Overview

WIISX Mutual Fund (William Blair International Small Cap Growth Fund Class R6) is managed by William Blair Funds with $174.5M in net assets. WIISX expense ratio is 1.05%, holding 140 positions across sectors including Unknown, Industrials, Financials. Inception date: 2005-11-01.

WIISX performance shows a YTD return of 10.77%. The 1-year return is 7.77% and the 5-year return is -0.08%. WIISX dividend yield stands at 0.59%, paid annually.

WIISX top holdings include Fixed Inc Clearing Corp.Repo (2.0%), Antero Midstream Corp (1.6%), Sol Spa (1.5%), Jentech Precision Industrial Co Ltd (1.4%), Bufab Ab Npv (1.4%). View all WIISX holdings, sector breakdown, or dividend history.

WIISX can be compared against other funds using the overlap calculator or side-by-side comparison tool. WIISX alternatives are available via the screener, along with tax-loss harvesting opportunities.