WBSIX Mutual Fund

WBSIX Mutual Fund

NAV$37.60
See how much of WBSIX you already own
Just $25 once·$99/mo·Download sample
X-ray my portfolio free

Fund Essentials - as of Aug 31, 2026

Net Assets
$556M
Expense Ratio
0.99%
Dividend Yield (Current)
-
Holdings
91
Inception Date
Dec 27, 1999
Fund Family
William Blair Funds
Investment Style
PRO
Asset Class
PRO
Legal Structure
PRO
Dividend Frequency
Annually

Performance

YTD+11.45%
1 Year+16.37%
3 Year+18.05%
5 Year+3.65%
10 Year+12.73%

Asset Allocation

Stocks: 95.62%
Other: 4.38%
See how much of WBSIX you already own
Your funds unpacked, overlap, fees and score, free on screen. The full report comes with FundXLS. Download sample.
X-ray my portfolio free

Top Holdings

View All →
TickerNameWeight
-Fixed Inc Clearing Corp.Repo4.38%
MMSIMerit Medical Systems Inc2.05%
TWSTTwist Bioscience Corp.1.96%
KRYSKrystal Biotech Inc1.80%
DBDDiebold Nixdorf1.79%
Top 10 Concentration: 20.25%Report Date: Aug 31, 2026
Download all 91 holdings for WBSIX
CSV export with sector, industry & share changes
Get CSV

Dividend Summary

View Details →
Frequency
Annually
Latest Distribution
$6.70
-

Peer Comparison

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

WBSIX Mutual Fund Overview

WBSIX Mutual Fund (William Blair Small Cap Growth Fund Class I) is managed by William Blair Funds with $556.2M in net assets. WBSIX expense ratio is 0.99%, holding 91 positions across sectors including Health Care, Information Technology, Industrials. Inception date: 1999-12-27.

WBSIX performance shows a YTD return of 11.45%. The 1-year return is 16.37% and the 5-year return is 3.65%.

WBSIX top holdings include Fixed Inc Clearing Corp.Repo (4.4%), Merit Medical Systems Inc (2.0%), Twist Bioscience Corp. (2.0%), Krystal Biotech Inc (1.8%), Diebold Nixdorf (1.8%). Go to all WBSIX holdings, WBSIX sectors, or WBSIX dividends.

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