| 2006-09-30 | Rank |
| U.S. Government agency obligations | $32,525,259,000 | 5 |
| Non-mortgage backed: |
| U.S. government agencies | NA | NA |
| Issued by U.S. government enterprises (GSEs) | NA | NA |
| Residential mortgage backed: |
| Pass throughs: |
| Issued by F.N.M.A. and F.H.L.M.C. | NA | NA |
| Issued by G.N.M.A. | NA | NA |
| Collateralized mortgage obligations (CMOs) and REMICS: |
| CMOs issued by government agencies or sponsored agencies | $16,149,272,000 | 1 |
| Commercial mortgage-backed: |
| Commercial mortgage pass-through securities - FNMA, FHLMC, or GNMA | NA | NA |
| Other commercial MBS Issued or guaranteed by US Govrnmnt agencies or sponsored | NA | NA |
| 2006-06-30 | Rank |
| U.S. Government agency obligations | $1,660,565,000 | 93 |
| Non-mortgage backed: |
| U.S. government agencies | NA | NA |
| Issued by U.S. government enterprises (GSEs) | NA | NA |
| Residential mortgage backed: |
| Pass throughs: |
| Issued by F.N.M.A. and F.H.L.M.C. | NA | NA |
| Issued by G.N.M.A. | NA | NA |
| Collateralized mortgage obligations (CMOs) and REMICS: |
| CMOs issued by government agencies or sponsored agencies | $112,259,000 | 184 |
| Commercial mortgage-backed: |
| Commercial mortgage pass-through securities - FNMA, FHLMC, or GNMA | NA | NA |
| Other commercial MBS Issued or guaranteed by US Govrnmnt agencies or sponsored | NA | NA |
| 2006-03-31 | Rank |
| U.S. Government agency obligations | $1,782,272,000 | 88 |
| Non-mortgage backed: |
| U.S. government agencies | NA | NA |
| Issued by U.S. government enterprises (GSEs) | NA | NA |
| Residential mortgage backed: |
| Pass throughs: |
| Issued by F.N.M.A. and F.H.L.M.C. | NA | NA |
| Issued by G.N.M.A. | NA | NA |
| Collateralized mortgage obligations (CMOs) and REMICS: |
| CMOs issued by government agencies or sponsored agencies | $119,407,000 | 181 |
| Commercial mortgage-backed: |
| Commercial mortgage pass-through securities - FNMA, FHLMC, or GNMA | NA | NA |
| Other commercial MBS Issued or guaranteed by US Govrnmnt agencies or sponsored | NA | NA |
| 2005-12-31 | Rank |
| U.S. Government agency obligations | $1,950,764,000 | 83 |
| Non-mortgage backed: |
| U.S. government agencies | NA | NA |
| Issued by U.S. government enterprises (GSEs) | NA | NA |
| Residential mortgage backed: |
| Pass throughs: |
| Issued by F.N.M.A. and F.H.L.M.C. | NA | NA |
| Issued by G.N.M.A. | NA | NA |
| Collateralized mortgage obligations (CMOs) and REMICS: |
| CMOs issued by government agencies or sponsored agencies | $124,590,000 | 180 |
| Commercial mortgage-backed: |
| Commercial mortgage pass-through securities - FNMA, FHLMC, or GNMA | NA | NA |
| Other commercial MBS Issued or guaranteed by US Govrnmnt agencies or sponsored | NA | NA |
| 2005-09-30 | Rank |
| U.S. Government agency obligations | $1,994,633,000 | 82 |
| Non-mortgage backed: |
| U.S. government agencies | NA | NA |
| Issued by U.S. government enterprises (GSEs) | NA | NA |
| Residential mortgage backed: |
| Pass throughs: |
| Issued by F.N.M.A. and F.H.L.M.C. | NA | NA |
| Issued by G.N.M.A. | NA | NA |
| Collateralized mortgage obligations (CMOs) and REMICS: |
| CMOs issued by government agencies or sponsored agencies | $131,393,000 | 179 |
| Commercial mortgage-backed: |
| Commercial mortgage pass-through securities - FNMA, FHLMC, or GNMA | NA | NA |
| Other commercial MBS Issued or guaranteed by US Govrnmnt agencies or sponsored | NA | NA |
| 2005-06-30 | Rank |
| U.S. Government agency obligations | $2,160,489,000 | 79 |
| Non-mortgage backed: |
| U.S. government agencies | NA | NA |
| Issued by U.S. government enterprises (GSEs) | NA | NA |
| Residential mortgage backed: |
| Pass throughs: |
| Issued by F.N.M.A. and F.H.L.M.C. | NA | NA |
| Issued by G.N.M.A. | NA | NA |
| Collateralized mortgage obligations (CMOs) and REMICS: |
| CMOs issued by government agencies or sponsored agencies | $141,814,000 | 175 |
| Commercial mortgage-backed: |
| Commercial mortgage pass-through securities - FNMA, FHLMC, or GNMA | NA | NA |
| Other commercial MBS Issued or guaranteed by US Govrnmnt agencies or sponsored | NA | NA |
| 2005-03-31 | Rank |
| U.S. Government agency obligations | $2,276,879,000 | 78 |
| Non-mortgage backed: |
| U.S. government agencies | NA | NA |
| Issued by U.S. government enterprises (GSEs) | NA | NA |
| Residential mortgage backed: |
| Pass throughs: |
| Issued by F.N.M.A. and F.H.L.M.C. | NA | NA |
| Issued by G.N.M.A. | NA | NA |
| Collateralized mortgage obligations (CMOs) and REMICS: |
| CMOs issued by government agencies or sponsored agencies | $149,451,000 | 173 |
| Commercial mortgage-backed: |
| Commercial mortgage pass-through securities - FNMA, FHLMC, or GNMA | NA | NA |
| Other commercial MBS Issued or guaranteed by US Govrnmnt agencies or sponsored | NA | NA |
| 2004-12-31 | Rank |
| U.S. Government agency obligations | $2,722,878,000 | 66 |
| Non-mortgage backed: |
| U.S. government agencies | NA | NA |
| Issued by U.S. government enterprises (GSEs) | NA | NA |
| Residential mortgage backed: |
| Pass throughs: |
| Issued by F.N.M.A. and F.H.L.M.C. | NA | NA |
| Issued by G.N.M.A. | NA | NA |
| Collateralized mortgage obligations (CMOs) and REMICS: |
| CMOs issued by government agencies or sponsored agencies | $158,054,000 | 174 |
| Commercial mortgage-backed: |
| Commercial mortgage pass-through securities - FNMA, FHLMC, or GNMA | NA | NA |
| Other commercial MBS Issued or guaranteed by US Govrnmnt agencies or sponsored | NA | NA |
| 2004-09-30 | Rank |
| U.S. Government agency obligations | $2,867,802,000 | 62 |
| Non-mortgage backed: |
| U.S. government agencies | NA | NA |
| Issued by U.S. government enterprises (GSEs) | NA | NA |
| Residential mortgage backed: |
| Pass throughs: |
| Issued by F.N.M.A. and F.H.L.M.C. | NA | NA |
| Issued by G.N.M.A. | NA | NA |
| Collateralized mortgage obligations (CMOs) and REMICS: |
| CMOs issued by government agencies or sponsored agencies | $164,397,000 | 167 |
| Commercial mortgage-backed: |
| Commercial mortgage pass-through securities - FNMA, FHLMC, or GNMA | NA | NA |
| Other commercial MBS Issued or guaranteed by US Govrnmnt agencies or sponsored | NA | NA |
| 2004-06-30 | Rank |
| U.S. Government agency obligations | $3,073,885,000 | 63 |
| Non-mortgage backed: |
| U.S. government agencies | NA | NA |
| Issued by U.S. government enterprises (GSEs) | NA | NA |
| Residential mortgage backed: |
| Pass throughs: |
| Issued by F.N.M.A. and F.H.L.M.C. | NA | NA |
| Issued by G.N.M.A. | NA | NA |
| Collateralized mortgage obligations (CMOs) and REMICS: |
| CMOs issued by government agencies or sponsored agencies | $169,542,000 | 161 |
| Commercial mortgage-backed: |
| Commercial mortgage pass-through securities - FNMA, FHLMC, or GNMA | NA | NA |
| Other commercial MBS Issued or guaranteed by US Govrnmnt agencies or sponsored | NA | NA |
| 2004-03-31 | Rank |
| U.S. Government agency obligations | $3,499,135,000 | 59 |
| Non-mortgage backed: |
| U.S. government agencies | NA | NA |
| Issued by U.S. government enterprises (GSEs) | NA | NA |
| Residential mortgage backed: |
| Pass throughs: |
| Issued by F.N.M.A. and F.H.L.M.C. | NA | NA |
| Issued by G.N.M.A. | NA | NA |
| Collateralized mortgage obligations (CMOs) and REMICS: |
| CMOs issued by government agencies or sponsored agencies | $182,430,000 | 159 |
| Commercial mortgage-backed: |
| Commercial mortgage pass-through securities - FNMA, FHLMC, or GNMA | NA | NA |
| Other commercial MBS Issued or guaranteed by US Govrnmnt agencies or sponsored | NA | NA |
| 2003-12-31 | Rank |
| U.S. Government agency obligations | $3,843,121,000 | 48 |
| Non-mortgage backed: |
| U.S. government agencies | NA | NA |
| Issued by U.S. government enterprises (GSEs) | NA | NA |
| Residential mortgage backed: |
| Pass throughs: |
| Issued by F.N.M.A. and F.H.L.M.C. | NA | NA |
| Issued by G.N.M.A. | NA | NA |
| Collateralized mortgage obligations (CMOs) and REMICS: |
| CMOs issued by government agencies or sponsored agencies | $529,080,000 | 82 |
| Commercial mortgage-backed: |
| Commercial mortgage pass-through securities - FNMA, FHLMC, or GNMA | NA | NA |
| Other commercial MBS Issued or guaranteed by US Govrnmnt agencies or sponsored | NA | NA |
| 2003-09-30 | Rank |
| U.S. Government agency obligations | $4,679,981,000 | 42 |
| Non-mortgage backed: |
| U.S. government agencies | NA | NA |
| Issued by U.S. government enterprises (GSEs) | NA | NA |
| Residential mortgage backed: |
| Pass throughs: |
| Issued by F.N.M.A. and F.H.L.M.C. | NA | NA |
| Issued by G.N.M.A. | NA | NA |
| Collateralized mortgage obligations (CMOs) and REMICS: |
| CMOs issued by government agencies or sponsored agencies | $672,642,000 | 67 |
| Commercial mortgage-backed: |
| Commercial mortgage pass-through securities - FNMA, FHLMC, or GNMA | NA | NA |
| Other commercial MBS Issued or guaranteed by US Govrnmnt agencies or sponsored | NA | NA |
| 2003-06-30 | Rank |
| U.S. Government agency obligations | $5,524,335,000 | 35 |
| Non-mortgage backed: |
| U.S. government agencies | NA | NA |
| Issued by U.S. government enterprises (GSEs) | NA | NA |
| Residential mortgage backed: |
| Pass throughs: |
| Issued by F.N.M.A. and F.H.L.M.C. | NA | NA |
| Issued by G.N.M.A. | NA | NA |
| Collateralized mortgage obligations (CMOs) and REMICS: |
| CMOs issued by government agencies or sponsored agencies | $912,647,000 | 62 |
| Commercial mortgage-backed: |
| Commercial mortgage pass-through securities - FNMA, FHLMC, or GNMA | NA | NA |
| Other commercial MBS Issued or guaranteed by US Govrnmnt agencies or sponsored | NA | NA |
| 2003-03-31 | Rank |
| U.S. Government agency obligations | $5,105,483,000 | 39 |
| Non-mortgage backed: |
| U.S. government agencies | NA | NA |
| Issued by U.S. government enterprises (GSEs) | NA | NA |
| Residential mortgage backed: |
| Pass throughs: |
| Issued by F.N.M.A. and F.H.L.M.C. | NA | NA |
| Issued by G.N.M.A. | NA | NA |
| Collateralized mortgage obligations (CMOs) and REMICS: |
| CMOs issued by government agencies or sponsored agencies | $172,704,000 | 195 |
| Commercial mortgage-backed: |
| Commercial mortgage pass-through securities - FNMA, FHLMC, or GNMA | NA | NA |
| Other commercial MBS Issued or guaranteed by US Govrnmnt agencies or sponsored | NA | NA |
| 2002-12-31 | Rank |
| U.S. Government agency obligations | $3,646,488,000 | 44 |
| Non-mortgage backed: |
| U.S. government agencies | NA | NA |
| Issued by U.S. government enterprises (GSEs) | NA | NA |
| Residential mortgage backed: |
| Pass throughs: |
| Issued by F.N.M.A. and F.H.L.M.C. | NA | NA |
| Issued by G.N.M.A. | NA | NA |
| Collateralized mortgage obligations (CMOs) and REMICS: |
| CMOs issued by government agencies or sponsored agencies | $1,270,478,000 | 39 |
| Commercial mortgage-backed: |
| Commercial mortgage pass-through securities - FNMA, FHLMC, or GNMA | NA | NA |
| Other commercial MBS Issued or guaranteed by US Govrnmnt agencies or sponsored | NA | NA |
