MASTR ASSET BACKED SECURIT TR 2003-OPT1 MASTR ASSET BACKED SECURITIES MABS 2003 OPT1 M4

MASTR ASSET BACKED SECURIT TR 2003-OPT1 MASTR ASSET BACKED SECURITIES MABS 2003 OPT1 M4 is a security (CUSIP 57643LAN6) tracked across SEC portfolio filings. 1 registered fund positions totaling $352K via N-PORT as of 2026-03-31.

Summary

• Issuer: MASTR ASSET BACKED SECURIT TR 2003-OPT1
• Class: MASTR ASSET BACKED SECURITIES MABS 2003 OPT1 M4
• CUSIP: 57643LAN6
• Asset category: ABS-MBS
• 13F holders: 0
• N-PORT fund positions: 1
• N-PORT value: $352K
• N-PORT report: 2026-03-31

Top fund holders (N-PORT)

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