| William Blair Small-Mid Cap Growth Collective Inve | 0P0001. | 38.588 | -0.99% | 1B | 03/06 | |
| William Blair Large Cap Growth I | LCGFX | 28.11 | +0.50% | 1.65B | 03/06 | |
| William Blair Small-Mid Cap Gr I | WSMDX | 28.99 | -0.99% | 1.37B | 03/06 | |
| William Blair International Growth I | BIGIX | 30.03 | +0.37% | 1.04B | 03/06 | |
| William Blair Instl International Gr | WBIIX | 15.08 | +0.33% | 960.84M | 03/06 | |
| ICM Small Company | ICSCX | 29.56 | -1.00% | 833.28M | 03/06 | |
| William Blair International Ldrs Instl | WILJX | 20.83 | +0.39% | 616.38M | 03/06 | |
| William Blair Emerging Mkts Growth Instl | BIEMX | 12.70 | +2.01% | 567.63M | 03/06 | |
| William Blair International Leaders Fund Class I S | 0P0000. | 20.820 | +0.43% | 498.39M | 03/06 | |
| William Blair Small Cap Growth I | WBSIX | 34.99 | -0.46% | 480.22M | 03/06 | |
| William Blair International Growth N | WBIGX | 29.01 | +0.35% | 293.23M | 03/06 | |
| William Blair Emerg Mkts Sm Cp Gr Instl | WESJX | 21.48 | +0.89% | 236.69M | 03/06 | |
| William Blair Emerging Mkts Ldrs Instl | WELIX | 8.90 | +0.91% | 230.86M | 03/06 | |
| William Blair Emerging Mkts Growth I | WBEIX | 12.54 | +1.95% | 189.51M | 03/06 | |
| William Blair Growth I | BGFIX | 14.10 | +0.21% | 176.12M | 03/06 | |
| William Blair Large Cap Growth Fund Class N | LCGNX | 26.160 | +0.50% | 170.16M | 03/06 | |
| William Blair Emerg Mkts Sm Cp Gr I | BESIX | 21.42 | +0.94% | 154.07M | 03/06 | |
| William Blair Intl Small Cap Gr Instl | WIISX | 12.17 | -0.08% | 122.93M | 03/06 | |
| William Blair Small Cap Growth N | WBSNX | 29.30 | -0.44% | 128.36M | 03/06 | |
| William Blair Small-Mid Cap Gr N | WSMNX | 26.53 | -0.97% | 98.56M | 03/06 | |