| 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 | 9 years | - |
| Gain YTD | 15.348 | 13.963 | 110% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 5000000 | 5000000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.01B | 2.05T | 0% |
| Annual Yield % from dividends | 0.77 | 1.13 | 68% |
| Returns for 1 year | 7.40 | 11.53 | 64% |
| Returns for 3 years | 47.97 | 66.99 | 72% |
| Returns for 5 years | 55.50 | 80.90 | 69% |
| Returns for 10 years | N/A | N/A | - |