Washington Mutual Mortgage Pas Washington Mutual Mortgage Pass-Through Certificates WMALT Series 2007-OA1 Trust is a security (CUSIP 93935NAB0) tracked across SEC portfolio filings. 2 registered fund positions totaling $354K via N-PORT as of 2026-03-31.
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| Master Total Return Portfolio | Master Bond LLC | $178K | 0.09% |
| BlackRock Total Return Fund | BlackRock Bond Fund, Inc. | $176K | 0.10% |