Series and Classes/Contracts Information:
| Existing | |||
| Status | Name | Ticker Symbol | |
| CIK 0000822632 | |||
| Series S000019315 | William Blair Global Leaders Fund | ||
| Class/Contract C000053607 | Class N | WGGNX | |
| Class/Contract C000053608 | Class I | WGFIX | |
| Class/Contract C000053609 | Class R6 | BGGIX | |
IRS No.: 000000000 | Fiscal Year End: 1231
Type: NPORT-P | Act: 40 | File No.: 811-05344 | Film No.: 24972741
