Credit Suisse First Boston Mortgage Securities Corp. Credit Suisse First Boston Mortgage Securities Corp., Series 2003-1, Class DB1 is a security (CUSIP 2254W0GJ8) tracked across SEC portfolio filings. 1 registered fund positions totaling $116K via N-PORT as of 2026-05-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| JPMorgan Core Bond Trust | JPMorgan Institutional Trust | $116K | 0.25% |