Bank and thrift holdings of first-lien mortgages continued to increase in the second quarter, according to a new ranking and analysis by Inside Nonconforming Markets. Banks and thrifts held $1.97 trillion of first-lien mortgages at the end of June. The holdings were up by 1.9 percent from March and up 3.8 percent from a year ago. Trends in portfolio management were somewhat mixed among the top 10 holders of first-lien mortgages. Top-ranked Wells Fargo had ... [Includes one data chart]