Shellpoint Partners is preparing to issue new non-agency MBS as it filed a shelf registration statement this week with the Securities and Exchange Commission. Once approved, Shellpoint plans to issue non-agency MBS via Shellpoint Mortgage Acceptance, which it has nicknamed Shelly Mac. Non-agency MBS from the specialty finance company formed in 2010 with Lewis Ranieri as its chairman will differ in a number of ways from non-agency MBS issued by Redwood Trust. Instead of acquiring loans on a bulk or flow basis from lenders, Shellpoint said it only expects to securitize mortgages originated by its wholly-owned subsidiary New Penn Financial. Shellpoint and New Penn Financial are...