| VSIAX | VSIIX | VSIAX / VSIIX | |
| Total Expense Ratio | 0.07 | 0.05 | 140% |
| Annual Report Gross Expense Ratio | 0.07 | 0.05 | 140% |
| Fund Existence | 15 years | 27 years | - |
| Gain YTD | 19.104 | 19.095 | 100% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 3000 | 5000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 68.3B | 68.3B | 100% |
| Annual Yield % from dividends | 1.76 | 1.77 | 99% |
| Returns for 1 year | 23.73 | 23.74 | 100% |
| Returns for 3 years | 52.55 | 52.57 | 100% |
| Returns for 5 years | 47.97 | 47.99 | 100% |
| Returns for 10 years | 138.97 | 139.02 | 100% |