| BIRKX | VSTSX | BIRKX / VSTSX | |
| Total Expense Ratio | 0.43 | 0.01 | 4,300% |
| Annual Report Gross Expense Ratio | 0.51 | 0.01 | 5,100% |
| Fund Existence | 10 years | 10 years | - |
| Gain YTD | 0.212 | 0.896 | 24% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 5000000 | 5000000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.02B | 2.06T | 0% |
| Annual Yield % from dividends | 0.75 | 1.12 | 67% |
| Returns for 1 year | 8.91 | 13.42 | 66% |
| Returns for 3 years | 38.43 | 63.32 | 61% |
| Returns for 5 years | 40.30 | 66.57 | 61% |
| Returns for 10 years | N/A | N/A | - |