MASTR ASSET BACKED SECUR TR 2005-OPT1 MASTR ASSET BACKED SECURITIES MABS 2005 OPT1 M6 is a security (CUSIP 57643LHU3) tracked across SEC portfolio filings. 3 registered fund positions totaling $963K via N-PORT as of 2026-03-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| PIMCO Dynamic Income Fund | PIMCO Dynamic Income Fund | $623K | 0.85% |
| PIMCO Corporate & Income Opportunity Fund | PIMCO Corporate & Income Opportunity Fund | $170K | 0.70% |
| PIMCO Flexible Credit Income Fund | PIMCO Flexible Credit Income Fund | $170K | 0.40% |