William Blair Small-Mid Cap Growth R6 (WSMRX)

Fund Assets	1.22B
Expense Ratio	0.94%
Min. Investment	$1,000,000
Turnover	57.00%
Dividend (ttm)	n/a
Dividend Yield	n/a
Dividend Growth	n/a
Payout Frequency	Annual
Ex-Dividend Date	Dec 18, 2025

Previous Close	31.62
YTD Return	15.63%
1-Year Return	21.52%
5-Year Return	31.02%
52-Week Low	25.99
52-Week High	32.65
Beta (5Y)	n/a
Holdings	82
Inception Date	May 1, 2019

About WSMRX

William Blair Small-Mid Cap Growth Fund Class R6 is a mutual fund designed to provide capital appreciation by investing primarily in small- and mid-capitalization companies exhibiting growth characteristics. Its portfolio is diversified across multiple sectors, with notable allocations in industries such as industrials, healthcare, consumer defensive, financial services, and technology. With a focus on companies demonstrating above-average earnings growth potential, the fund aims to capture opportunities in dynamic and emerging segments of the U.S. equity market. The fund typically holds around 70–80 securities, with the top holdings representing a significant but not concentrated portion of total assets. Managed with an expense ratio that is competitive for its category, the fund is structured for retirement-minded investors and institutions, requiring a higher minimum initial investment. Its performance is benchmarked against the Russell 3000 Total Return Index, underscoring its commitment to sustainable growth within the small- to mid-cap spectrum.

• Fund Family: William Blair
• Category: Mid-Cap Growth
• Performance Rating: Average
• Risk Rating: Average
• Stock Exchange: NASDAQ
• Ticker Symbol: WSMRX
• Share Class: Class R6
• Index: Russell 2500 Growth TR

Performance

WSMRX had a total return of 21.52% in the past year, including dividends. Since the fund's inception, the average annual return has been 10.25%.

Other Share Classes

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

Symbol	Share Class	Expense Ratio
WSMDX	Class I	0.99%
WSMNX	Class N	1.24%

Top 10 Holdings

21.78% of assets

Name	Symbol	Weight
Everpure, Inc.	P	2.57%
F5, Inc.	FFIV	2.47%
Onto Innovation Inc.	ONTO	2.26%
Sterling Infrastructure, Inc.	STRL	2.21%
Primo Brands Corporation	PRMB	2.20%
Lattice Semiconductor Corporation	LSCC	2.09%
nVent Electric plc	NVT	2.05%
Carpenter Technology Corporation	CRS	2.04%
Guardant Health, Inc.	GH	1.96%
Talen Energy Corporation	TLN	1.94%

Dividend History

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

Data Sources: Tiingo, Twelve Data, and more

Historical data is provided by Tiingo. Delayed stock pricing data is provided by Twelve Data. Several fund data points are also provided by Finnhub.

Last checked:

Aug 27, 2026

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