| BIRKX | VFINX | BIRKX / VFINX | |
| Total Expense Ratio | 0.43 | 0.14 | 307% |
| Annual Report Gross Expense Ratio | 0.51 | 0.14 | 364% |
| Fund Existence | 10 years | 49 years | - |
| Gain YTD | 0.212 | 1.131 | 19% |
| Front Load | N/A | N/A | - |
| Min. Initial Investment | 5000000 | 0 | - |
| Min. Initial Investment IRA | N/A | N/A | - |
| Net Assets | 1.02B | 1.48T | 0% |
| Annual Yield % from dividends | 0.75 | 1.01 | 74% |
| Returns for 1 year | 8.91 | 15.48 | 58% |
| Returns for 3 years | 38.43 | 67.54 | 57% |
| Returns for 5 years | 40.30 | 78.93 | 51% |
| Returns for 10 years | N/A | 268.63 | - |