# William Blair Small Cap Growth Fund Class I (WBSIX): Mutual Fund Facts & Distributions

> Markdown mirror of https://www.dividenddata.com/funds/wbsix for AI agents. Same live data as the HTML page, regenerated on the same refresh cycle. Not investment advice.

- Issuer: — · Asset class: Equity
- Strategy: Actively Managed · Inception: 1999-12-27

The fund normally invests at least 80% of its net assets in stocks of small capitalized ("small cap") companies. It invests primarily in a diversified portfolio of equity securities, including common stocks and other forms of equity investments, of small cap U.S. growth companies that are expected to exhibit quality growth characteristics. For purposes of the fund, the advisor considers a company to be a small cap company if it has a market capitalization no larger than the largest capitalized company included in the Russell 2000® Index at the time of the fund's investment.

## Key Facts

| Metric | Value |
|---|---|
| Price | $38.34 |
| Expense Ratio | 0.99% |
| AUM (All Share Classes) | $1.13B |
| NAV | $38.34 |
| Holdings Count | — |
| Distribution Yield (TTM) | 6.61% |
| Annual Distribution (TTM) | $2.54 /share |
| Distribution Frequency | Annual |
| 52-Week Range | $32.09 – $41.62 |
| Beta | 1.10 |

## Latest Distribution

- Amount: $2.5351 /share
- Ex-date: 2025-12-18
- Pay date: 2025-12-19

## Frequently Asked Questions

### What does WBSIX invest in?

The fund normally invests at least 80% of its net assets in stocks of small capitalized ("small cap") companies. It invests primarily in a diversified portfolio of equity securities, including common stocks and other forms of equity investments, of small cap U.S. growth companies that are expected to exhibit quality growth characteristics. For purposes of the fund, the advisor considers a company to be a small cap company if it has a market capitalization no larger than the largest capitalized company included in the Russell 2000® Index at the time of the fund's investment.

### What is the expense ratio of WBSIX?

William Blair Small Cap Growth Fund Class I (WBSIX) charges an expense ratio of 0.99%. This is the annual fee deducted from fund assets to cover management and operations.

### How big is WBSIX?

William Blair Small Cap Growth Fund Class I (WBSIX) is one share class of a fund that manages $1.13B across all of its share classes (WBSNX reports the same total). Our data does not carry the assets of this share class alone. AUM determines bid-ask liquidity and the fund's vulnerability to closure. Funds below ~$50M are at higher risk of liquidation.

### Is WBSIX actively managed or an index fund?

WBSIX is actively managed: the manager selects holdings rather than tracking an index. Active funds typically charge higher expense ratios than index funds (WBSIX's is 0.99%) in exchange for the discretion to over- or under-weight positions.

### When was WBSIX launched?

William Blair Small Cap Growth Fund Class I (WBSIX) launched in December 1999 and is managed by the fund issuer.

### How has WBSIX performed?

WBSIX's total return (price change plus reinvested distributions) is charted at the top of this page. Switch the price chart to Total Return and pick a 1-year, 3-year, 5-year, or 10-year window to read the compound annual growth rate (CAGR) over each horizon.

### Does WBSIX pay a dividend?

William Blair Small Cap Growth Fund Class I (WBSIX) currently distributes little or no income. Trailing-twelve-month yield is 6.61%. Investors looking for income should consider income-focused alternatives. See the Peers tab.

### How often does WBSIX pay dividends?

William Blair Small Cap Growth Fund Class I pays dividends Annual. Each ex-dividend date, record date, and payment date is listed in the dividend history table on this page.

### What is WBSIX's dividend yield?

WBSIX's trailing-twelve-month yield is 6.61%, calculated from the sum of dividends over the past year divided by the current price.

### When is WBSIX's next ex-dividend date?

The most recently announced ex-dividend date for WBSIX was 2025-12-18. The next ex-date typically follows Annual; once announced it appears at the top of the dividend history table on this page.

### How much will WBSIX's expense ratio cost me over 30 years?

On a $10,000 investment compounding at 7% gross return, a 0.99% expense ratio quietly compounds against your balance every year. The Fee Compounding Forecast card above projects the dollar drag for any holding period and assumption you pick. The typical result for a 1.0% expense ratio on a 30-year hold is roughly 25% of the final balance lost to fees.

### How does WBSIX charge its expense ratio?

The expense ratio is deducted in tiny daily slices from WBSIX's net asset value (NAV). You never see a bill. The price quoted on every exchange is already net of fees. There's no "fee day" to avoid; the cost is continuous and built into the trading price.

### Why does WBSIX cost more than a fund like VOO?

WBSIX is actively managed (current expense ratio 0.99%). Active funds charge more than passive index trackers in exchange for the manager's discretion to over- or under-weight positions. The Cost Verdict card above tells you whether WBSIX's fee is competitive for the active-management cohort.

### Are there cheaper alternatives to WBSIX?

The Lower-Fee Alternatives card above lists mutual funds following the same investment strategy as WBSIX (0.99%) but at a lower expense ratio. Each row shows the fee gap, the peer's AUM as a liquidity sanity-check, and a direct link to that fund's analysis page. Cheaper price doesn't automatically mean better. Verify the peer holds what you actually want.

## More on Dividend Data

- Overview (HTML): https://www.dividenddata.com/funds/wbsix
- Distribution history: https://www.dividenddata.com/funds/wbsix/dividend
- Holdings & diversification: https://www.dividenddata.com/funds/wbsix/diversification
- Fees & cheaper alternatives: https://www.dividenddata.com/funds/wbsix/expenses
- Peer comparison: https://www.dividenddata.com/funds/wbsix/peers

Data sourced from primary filings and market data providers; see https://www.dividenddata.com/methodology.