Bear Stearns Mortgage Funding Bear Stearns Mortgage Funding Trust 2007-AR4 is a security (CUSIP 07401YAQ8) tracked across SEC portfolio filings. 2 registered fund positions totaling $542K via N-PORT as of 2026-03-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Master Total Return Portfolio | Master Bond LLC | $286K | 0.15% |
| BlackRock Total Return Fund | BlackRock Bond Fund, Inc. | $256K | 0.14% |