FNMA FNMA, Series 2021-3, Class IB is a security (CUSIP 3136BDYC6) tracked across SEC portfolio filings. 1 registered fund positions totaling $902K via N-PORT as of 2026-03-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Putnam Mortgage Securities Fund | Putnam Mortgage Securities Fund | $902K | 23.33% |