William Blair Small Cap Growth Fund Class I (WBSIX)
| Fund Assets | 1.22B |
| Expense Ratio | 0.99% |
| Min. Investment | $500,000 |
| Turnover | 94.00% |
| Dividend (ttm) | 2.54 |
| Dividend Yield | 6.28% |
| Dividend Growth | -28.79% |
| Payout Frequency | Annual |
| Ex-Dividend Date | Dec 18, 2025 |
| Previous Close | 40.37 |
| YTD Return | 18.07% |
| 1-Year Return | 27.74% |
| 5-Year Return | 46.00% |
| 52-Week Low | 32.09 |
| 52-Week High | 41.40 |
| Beta (5Y) | 1.08 |
| Holdings | 98 |
| Inception Date | Dec 27, 1999 |
About WBSIX
William Blair Small Cap Growth Fund Class I is an actively managed mutual fund focused on delivering long-term capital appreciation by investing primarily in equity securities of small-cap U.S. companies exhibiting strong growth potential. The fund targets firms at the lower end of the market-capitalization spectrum that demonstrate accelerated earnings, sales, or cash flow growth, often operating in emerging or rapidly evolving industries. This strategy results in a portfolio that tends to emphasize innovation-driven businesses and early-stage market leaders, spanning sectors such as industrials, healthcare, technology, and consumer goods. Designed for institutional investors, the fund maintains a diversified approach to help mitigate the inherent volatility associated with smaller, high-growth companies. By carefully selecting holdings based on quality and growth prospects, the fund aims to outperform standard small-cap growth benchmarks over time. With a sizable asset base and an expense structure positioned competitively within its peer group, William Blair Small Cap Growth Fund Class I plays a significant role as a potential engine of growth within a broader diversified investment portfolio, contributing exposure to dynamic segments of the equity market.
Performance
WBSIX had a total return of 27.74% in the past year, including dividends. Since the fund's inception, the average annual return has been 12.53%.
Equivalent Funds
These are funds that follow the same index from the other major fund companies.
| Symbol | Provider | Name | Expense Ratio |
|---|---|---|---|
| VRTGX | Vanguard | Vanguard Russell 2000 Growth Index Fund Institutional Shares | 0.07% |
Top 10 Holdings
19.84% of assets| Name | Symbol | Weight |
|---|---|---|
| Fixed Inc Clearing Corp.Repo | n/a | 3.67% |
| Diebold Nixdorf, Incorporated | DBD | 2.08% |
| Bloom Energy Corporation | BE | 1.89% |
| Sterling Infrastructure, Inc. | STRL | 1.84% |
| Synaptics Incorporated | SYNA | 1.81% |
| Primo Brands Corporation | PRMB | 1.80% |
| Twist Bioscience Corporation | TWST | 1.78% |
| BorgWarner Inc. | BWA | 1.69% |
| Flowserve Corporation | FLS | 1.68% |
| Cognex Corporation | CGNX | 1.60% |
Dividend History
| Ex-Dividend | Amount | Pay Date |
|---|---|---|
| Dec 18, 2025 | $2.5351 | Dec 19, 2025 |
| Dec 19, 2024 | $3.55983 | Dec 20, 2024 |
| Dec 14, 2023 | $0.49993 | Dec 15, 2023 |
| Dec 15, 2022 | $1.01206 | Dec 16, 2022 |
| Dec 16, 2021 | $6.69889 | Dec 17, 2021 |
| Dec 17, 2020 | $3.83162 | Dec 18, 2020 |