| BIRKX | FXAIX | BIRKX / FXAIX | |
| Total Expense Ratio | 0.43 | 0.01 | 2,867% |
| Annual Report Gross Expense Ratio | 0.51 | 0.01 | 3,400% |
| Fund Existence | 10 years | 15 years | - |
| Gain YTD | 9.974 | 11.790 | 85% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 5000000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.23B | 859B | 0% |
| Annual Yield % from dividends | 0.64 | 1.03 | 62% |
| Returns for 1 year | 11.98 | 16.58 | 72% |
| Returns for 3 years | 41.29 | 76.90 | 54% |
| Returns for 5 years | 39.34 | 82.76 | 48% |
| Returns for 10 years | 170.78 | 294.63 | 58% |