| VITSX | WFSPX | VITSX / WFSPX | |
| Total Expense Ratio | 0.03 | 0.03 | 100% |
| Annual Report Gross Expense Ratio | 0.03 | 0.03 | 100% |
| Fund Existence | 29 years | 33 years | - |
| Gain YTD | 12.284 | 12.618 | 97% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 5000000 | 5000000 | 100% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 2.34T | 60.6B | 3,868% |
| Annual Yield % from dividends | 1.03 | 1.02 | 101% |
| Returns for 1 year | 16.14 | 16.81 | 96% |
| Returns for 3 years | 70.75 | 77.00 | 92% |
| Returns for 5 years | 63.59 | 79.79 | 80% |
| Returns for 10 years | 255.20 | 304.60 | 84% |