WSMDX Mutual Fund

WSMDX Mutual Fund

NAV$29.54
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Fund Essentials - as of Aug 31, 2026

Net Assets
$2.4B
Expense Ratio
0.99%
Dividend Yield (Current)
-
Holdings
87
Inception Date
Dec 29, 2003
Fund Family
William Blair Funds
Investment Style
PRO
Asset Class
PRO
Legal Structure
PRO

Performance

YTD+8.38%
1 Year+11.80%
3 Year+10.74%
5 Year+2.62%
10 Year+10.90%

Asset Allocation

Stocks: 97.93%
Other: 2.07%
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Top Holdings

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TickerNameWeight
FFIVF5 Networks Inc.2.47%
PSTGPure Storage Inc2.31%
TWSTTwist Bioscience Corp.2.21%
DTDynatrace Inc2.18%
PRMBPrimo Brands Corp2.10%
Top 10 Concentration: 20.93%Report Date: Aug 31, 2026
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Dividend Summary

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Latest Distribution
$3.23
-

Peer Comparison

Benchmark
PRO
Peer outperformance: PRO
Category rank: PRO
This Mutual Fund
PRO
Peer Avg
PRO

WSMDX Mutual Fund Overview

WSMDX Mutual Fund (William Blair Small-Mid Cap Growth Fund Class I) is managed by William Blair Funds with $2.39B in net assets. WSMDX expense ratio is 0.99%, holding 87 positions across sectors including Information Technology, Health Care, Industrials. Inception date: 2003-12-29.

WSMDX performance shows a YTD return of 8.38%. The 1-year return is 11.80% and the 5-year return is 2.62%.

WSMDX top holdings include F5 Networks Inc. (2.5%), Pure Storage Inc (2.3%), Twist Bioscience Corp. (2.2%), Dynatrace Inc (2.2%), Primo Brands Corp (2.1%). Go to all WSMDX holdings, WSMDX sectors, or WSMDX dividends.

WSMDX can be compared against other funds. Use WSMDX overlap to find shared positions, or WSMDX vs another fund for a side-by-side view. WSMDX alternatives are available via the screener, along with tax-loss harvesting opportunities.