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  • Alex Kim thinks this is interesting:

The MBS received may consist of a pool collateralized by only its loans, or it may be part of a multi-issuer pool. After receiving the security, the lender can either sell the pool into the secondary market or (in the case of a depository) hold it in its investment portfolio.


Cover of Mortgage-Backed Securities: Products, Structuring, and Analytical Techniques, 2nd Edition


not sure by multi-issuer pool