Lehman Brothers’ Structured Asset Securities Corp. ranked as the top MBS shelf in total non-agency issuance during 2005, with $96.49 billion of public deals being funneled through the program, a new Inside MBS & ABS ranking reveals. That was a 44.7 percent increase from 2004 for the multipurpose SASCO shelf, one of only a handful that is used for a wide variety of non-agency MBS types. Most of the SASCO deals were backed by