WBGSX Fees and Costs — William Blair Growth Fund, Class N
Data updated: 2026-08-14
The net expense ratio is 1.20%: a 0.75% management fee, a 0.25% 12b-1 fee plus 0.25% other expenses, less a 0.05% fee waiver. There are no sales loads or redemption fees. In fiscal 2025 the fund paid $64K in broker commissions, 0.0269% of average net assets, and portfolio turnover was 62%.
WBGSX Fees and Expenses
Annual operating expenses and sales charges of WBGSX. Prospectus, as of December 31, 2025.
| Annual operating expenses | |
|---|---|
| Management fee | 0.75% |
| 12b-1 fee | 0.25% |
| Other expenses | 0.25% |
| Gross expense ratio | 1.25% |
| Fee waiver | −0.05% |
| Net expense ratio | 1.20% |
| Sales charges | |
|---|---|
| Max front load | 0.00% |
| Max deferred load | — |
| Redemption fee | 0.00% |
| Expense limitation in place (N-CEN) | Yes |
| Fees waived or reduced during the year | Yes |
| Waived fees subject to recoupment | No |
WBGSX Costs Over Time
On $10,000 invested in WBGSX, assuming 5% a year before costs, total costs come to $764 over 5 years, cutting the return by 1.29% a year. Illustration, not a forecast: it assumes today's net expense ratio throughout (a fee waiver may end).
| $10,000 invested | Sell after 1 year | Sell after 3 years | Sell after 5 years |
|---|---|---|---|
| Value before costs | $10,500 | $11,576 | $12,763 |
| Fund expenses (net expense ratio 1.20%) | $126 | $392 | $679 |
| Trading costs (broker commissions) | $3 | $9 | $15 |
| Lost growth on money paid in costs | $0 | $20 | $70 |
| Total costs | $129 | $421 | $764 |
| Value after costs | $10,371 | $11,155 | $11,999 |
| Impact on return, per year | 1.29% | 1.29% | 1.29% |
WBGSX Trading Costs
Brokerage costs reported on SEC Form N-CEN for the fiscal year ending December 31, 2025.
- Explicit cost rate (commissions ÷ average net assets): 0.0269%
- Total broker commissions: $64K
- Bought from dealers (principal trades, not a cost): $780.2M
- Portfolio turnover (prospectus): 62%
- Securities lending: none during the year
WBGSX Agency Brokers
Commissions paid.
| Broker | Amount | Share |
|---|---|---|
| BofA Securities, Inc. | $10K | 18.90% |
| Robert W. Baird & Co. Incorporated | $9K | 17.29% |
| Goldman Sachs & Co. LLC | $7K | 13.04% |
| Piper Sandler & Co. | $6K | 11.10% |
| Liquidnet, Inc. | $6K | 10.61% |
| JonesTrading Institutional Services LLC | $5K | 8.60% |
| Virtu Americas LLC | $3K | 6.11% |
| Jefferies LLC | $3K | 5.29% |
| J.P. Morgan Securities LLC | $3K | 5.25% |
| TD Securities (USA) LLC | $2K | 3.80% |
WBGSX Dealer Counterparties
Securities bought directly from dealers (principal trades).
| Broker | Amount | Share |
|---|---|---|
| State Street Bank and Trust Company | $779.1M | 99.86% |
| Goldman Sachs & Co. LLC | $1.1M | 0.14% |
William Blair Growth Fund Share Classes
Net expense ratio and maximum front-end load of each share class, cheapest first.
| Ticker | Class | Net expense ratio | Front load |
|---|---|---|---|
| BGFRX | Class R6 | 0.87% | none |
| BGFIX | Class I | 0.91% | none |
| WBGSX | Class N | 1.20% | none |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.