Credit Suisse First Boston Mor Credit Suisse First Boston Mortgage Securities Corp is a security (CUSIP 22540VHP0) tracked across SEC portfolio filings. 3 registered fund positions totaling $983K via N-PORT as of 2026-03-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Master Total Return Portfolio | Master Bond LLC | $572K | 0.30% |
| BlackRock Total Return Fund | BlackRock Bond Fund, Inc. | $404K | 0.23% |
| BlackRock Balanced Portfolio | BlackRock Series Fund, Inc. | $7K | 0.15% |