CS FIRST BOSTON MORTGAGE SECURITIES CORP CSFB_03-21 CSFB 2003-21 5A1 6.5% 07-25-33

CS FIRST BOSTON MORTGAGE SECURITIES CORP CSFB_03-21 CSFB 2003-21 5A1 6.5% 07-25-33 is a security (CUSIP 22541QQA3) tracked across SEC portfolio filings. 3 registered fund positions totaling $536K via N-PORT as of 2026-05-31.

Summary

• Issuer: CS FIRST BOSTON MORTGAGE SECURITIES CORP CSFB_03-21
• Class: CSFB 2003-21 5A1 6.5% 07-25-33
• CUSIP: 22541QQA3
• Asset category: ABS-CBDO
• 13F holders: 0
• N-PORT fund positions: 3
• N-PORT value: $536K
• N-PORT report: 2026-05-31

Top fund holders (N-PORT)

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