Credit Suisse Mortgage Trust CSMC Mortgage-Backed Trust Series 2006-4 is a security (CUSIP 12637HAD0) tracked across SEC portfolio filings. 2 registered fund positions totaling $750K via N-PORT as of 2026-03-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Master Total Return Portfolio | Master Bond LLC | $400K | 0.21% |
| BlackRock Total Return Fund | BlackRock Bond Fund, Inc. | $350K | 0.20% |