Thornburg Mortgage Securities Trust Thornburg Mortgage Securities Trust, Series 2004-4, Class 3A is a security (CUSIP 885220GF4) tracked across SEC portfolio filings. 1 registered fund positions totaling $77K via N-PORT as of 2026-05-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| JPMorgan Core Bond Trust | JPMorgan Institutional Trust | $77K | 0.17% |