| FOF Code | Description |
| + FA643065075.Q | Mortgage real estate investment trusts; total mortgages; asset |
| + FA793065105.Q | Domestic financial sectors; one-to-four-family residential mortgages; asset |
| + FA893065105.Q | All sectors; one-to-four-family residential mortgages; asset |
| + FA913065105.Q | Other financial corporations and insurance companies and pension funds; one-to-four-family residential mortgages; asset |