William Blair Small-Mid Cap Growth Fund Class I (WSMDX)

NASDAQ · Mutual Fund · Delayed Price · Currency is USD
28.26
+0.27 (0.96%)
At close: Feb 13, 2026
Fund Assets1.25B
Expense Ratio0.99%
Min. Investment$500,000
Turnover63.00%
Dividend (ttm)0.77
Dividend Yield2.73%
Dividend Growth-77.93%
Payout FrequencyAnnual
Ex-Dividend DateDec 18, 2025
Previous Close27.99
YTD Return3.03%
1-Year Return1.93%
5-Year Return1.21%
52-Week Low21.42
52-Week High29.21
Beta (5Y)1.11
Holdings79
Inception DateDec 29, 2003

About WSMDX

The William Blair Small-Mid Cap Growth Fund Class I is a mutual fund focused on long-term capital appreciation by investing predominantly in small- and mid-cap U.S. companies that demonstrate strong growth potential. The fund typically allocates at least 80% of its net assets to equities within this segment, targeting businesses with robust fundamentals, market leadership, and attractive growth prospects. Its portfolio spans a diverse range of sectors, including industrials, healthcare, technology, consumer defensive, and financial services, with notable holdings such as BWX Technologies, Freshpet, and Lattice Semiconductor. Managed with an institutional approach, the fund is designed for investors seeking exposure to dynamic, innovative companies beyond the large-cap universe. With over $2 billion in assets and a moderate turnover rate, the fund occupies a strategic role within the mid-cap growth category, offering diversification and potential for enhanced growth alongside increased volatility relative to larger-cap funds.

Fund Family William Blair
Category Mid-Cap Growth
Performance Rating Average
Risk Rating Average
Stock Exchange NASDAQ
Ticker Symbol WSMDX
Share Class Class I
Index Russell 2500 Growth TR

Performance

WSMDX had a total return of 1.93% in the past year, including dividends. Since the fund's inception, the average annual return has been 15.97%.

Other Share Classes

These are alternative share classes of the same fund, from the same provider.

SymbolShare ClassExpense Ratio
WSMRXClass R60.94%
WSMNXClass N1.24%

Top 10 Holdings

21.93% of assets
NameSymbolWeight
Insmed IncorporatedINSM2.62%
Ciena CorporationCIEN2.50%
Pure Storage, Inc.PSTG2.46%
Onto Innovation Inc.ONTO2.25%
Talen Energy CorporationTLN2.20%
Globus Medical, Inc.GMED2.15%
Mueller Industries, Inc.MLI2.07%
Madrigal Pharmaceuticals, Inc.MDGL1.98%
Doximity, Inc.DOCS1.94%
Everest Group, Ltd.EG1.77%
View More Holdings

Dividend History

Ex-DividendAmountPay Date
Dec 18, 2025$0.77044Dec 19, 2025
Dec 19, 2024$3.49015Dec 20, 2024
Dec 14, 2023$2.23334Dec 15, 2023
Dec 15, 2022$0.86499Dec 16, 2022
Dec 16, 2021$3.23056Dec 17, 2021
Dec 17, 2020$0.58343Dec 18, 2020
Full Dividend History