| United States Treasury Notes 1.875%
| - | 4.18% | - | - | 590,452,151 |
| United States Treasury Notes 2.125%
| - | 4.11% | - | - | 569,451,151 |
| United States Treasury Notes 1.875%
| - | 3.87% | - | - | 542,117,679 |
| United States Treasury Notes 1.75%
| - | 3.70% | - | - | 522,186,244 |
| United States Treasury Notes 1.125%
| - | 3.49% | - | - | 496,645,670 |
| United States Treasury Notes 1.625%
| - | 3.44% | - | - | 479,505,837 |
| United States Treasury Notes 1.375%
| - | 3.43% | - | - | 493,941,535 |
| United States Treasury Notes 1.125%
| - | 3.41% | - | - | 498,804,244 |
| United States Treasury Notes 0.625%
| - | 3.37% | - | - | 504,222,206 |
| United States Treasury Notes 1.625%
| - | 3.33% | - | - | 462,274,434 |