| 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 | 12.357 | 10.023 | 123% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 5000000 | 5000000000 | 0% |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.22B | 2.31T | 0% |
| Annual Yield % from dividends | 0.68 | 1.03 | 66% |
| Returns for 1 year | 23.74 | 24.58 | 97% |
| Returns for 3 years | 48.21 | 72.11 | 67% |
| Returns for 5 years | 42.77 | 67.19 | 64% |
| Returns for 10 years | 191.53 | 256.48 | 75% |