UMBS, TBA Uniform Mortgage-Backed Security, TBA is a security (CUSIP 01F030686) tracked across SEC portfolio filings. 1 registered fund positions totaling $25.7M via N-PORT as of 2025-07-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Morgan Stanley Mortgage Securities Trust | MORGAN STANLEY MORTGAGE SECURITIES TRUST | $25.7M | 431.47% |