A raging origination market - and a flurry of transfers - has helped subprime servicers take their portfolios to new heights, a new Inside B&C Lending ranking of the top players reveals. Despite the strong growth, however, the majority of subprime mortgages remain in relatively few hands. In fact, Inside B&C Lending estimates that the top 25 subprime servicers managed close to 65 percent of the $485.1 billion in subprime loans outstanding at the end