| William Blair Small-Mid Cap Growth Collective Inve | 0P0001. | 37.607 | -0.34% | 982.21M | 01/05 | |
| William Blair Large Cap Growth I | LCGFX | 26.85 | -0.52% | 1.59B | 01/05 | |
| William Blair Small-Mid Cap Gr I | WSMDX | 28.26 | -0.32% | 1.33B | 01/05 | |
| William Blair International Growth I | BIGIX | 29.00 | +0.49% | 997.4M | 01/05 | |
| William Blair Instl International Gr | WBIIX | 14.57 | +0.48% | 925.06M | 01/05 | |
| ICM Small Company | ICSCX | 28.78 | 0.00% | 809.14M | 01/05 | |
| William Blair International Ldrs Instl | WILJX | 19.98 | +0.71% | 590.79M | 01/05 | |
| William Blair Emerging Mkts Growth Instl | BIEMX | 12.12 | +0.33% | 539.74M | 01/05 | |
| William Blair International Leaders Fund Class I S | 0P0000. | 19.960 | +0.71% | 474.75M | 01/05 | |
| William Blair Small Cap Growth I | WBSIX | 32.82 | +0.15% | 448.96M | 01/05 | |
| William Blair International Growth N | WBIGX | 28.02 | +0.47% | 285.14M | 01/05 | |
| William Blair Emerg Mkts Sm Cp Gr Instl | WESJX | 20.83 | +0.34% | 234.03M | 01/05 | |
| William Blair Emerging Mkts Ldrs Instl | WELIX | 8.70 | +0.46% | 232.04M | 01/05 | |
| William Blair Emerging Mkts Growth I | WBEIX | 11.97 | +0.34% | 183.33M | 01/05 | |
| William Blair Growth I | BGFIX | 13.53 | -0.22% | 169.87M | 01/05 | |
| William Blair Large Cap Growth Fund Class N | LCGNX | 24.980 | -0.56% | 165.64M | 01/05 | |
| William Blair Emerg Mkts Sm Cp Gr I | BESIX | 20.77 | +0.34% | 149.03M | 01/05 | |
| William Blair Intl Small Cap Gr Instl | WIISX | 11.88 | +0.59% | 126.64M | 01/05 | |
| William Blair Small Cap Growth N | WBSNX | 27.49 | +0.15% | 120.77M | 01/05 | |
| William Blair Small-Mid Cap Gr N | WSMNX | 25.86 | -0.35% | 97.83M | 01/05 | |