Fannie Mae and Freddie Mac have stepped up to the plate as major investors of subprime MBS classes, an exclusive new analysis by Inside B&C Lending reveals. The analysis looked at issuance of so-called “GSE classes,” or securitization tranches comprised of mortgages with balances under the $322,700 conforming loan limit and designated for sale to one of the government-sponsored enterprises. The data suggest that the top