Columns include total retained portfolio split into MBS and mortgages subcategories along with market share, amount of own and the other agency's MBS held, and total non-agency MBS split into subprime/Alt A ,CMBS and other subcategories. Includes year-end numbers for 2005-2013 and quarterly numbers beginning 1Q14.

Columns include total retained portfolio split into MBS and mortgages subcategories along with market share, amount of own and the other agency's MBS held, and total non-agency MBS split into subprime/Alt A ,CMBS and other subcategories. Includes year-end numbers for 2005-2013 and quarterly numbers beginning 1Q14.

Purchases and holdings by GSE. Breakouts for individual security types.

Purchases and holdings by GSE. Breakouts for individual security types.