http://www.federalreserve.gov/pubs/supplement/2008/12/table1_54.htm Maybe someone can supply more current figures but if you 'fix the banks' it doesn't automatically follow that you solve the mortgage crisis.
hmmm, so $5T of the $15T mortgages outstanding are owned by major financial institutions. It would be interesting to know what % of the $15T are now fancy slice-and-dice, no-one-really-knows-the-owner mortgages, and who holds them.