| Amount | Holding | 
|---|---|
| 7.87% | Federal National Mortgage Association 4% | 
| 6.74% | Federal National Mortgage Association 3% | 
| 5.91% | Federal National Mortgage Association 3.5% | 
| 4.29% | Mbx.Fn30.500.10 R Usl1m P 01/12/41 Bc | 
| 3.80% | Federal National Mortgage Association 3.5% | 
| 3.40% | Federal National Mortgage Association 4% | 
| 2.32% | Federal National Mortgage Association 3% | 
| 1.90% | Federal National Mortgage Association 3.5% |