Federal National Mortgage Association Uniform Mortgage-Backed Securities is a security (CUSIP 3138WB6N0) tracked across SEC portfolio filings. 1 registered fund positions totaling $17K via N-PORT as of 2026-03-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| BlackRock Balanced Portfolio | BlackRock Series Fund, Inc. | $17K | 0.37% |