Minnesota's biggest banks, ranked by deposit market share:

20122011

Wells Fargo Bank43.07%30.59%

U.S. Bank22.5225.07

TCF National Bank2.583.22

Ameriprise Bank*2.542.92

BMO Harris Bank1.341.73

Bremer Bank1.081.47

Associated Bank0.730.89

KleinBank0.640.84

Think Mutual Bank0.590.76

Anchor Bank0.560.70

*Serves Ameriprise customers only; changing to nondepository trust company by the end of the year. Source: FDIC deposit market share report for Minnesota Biggest banks Minnesota's biggest banks, as ranked by deposit market share. 20122011 Wells Fargo Bank43.07%30.59% U.S. Bank22.5225.07 TCF National Bank2.583.22 Ameriprise Bank*2.542.92 BMO Harris Bank1.341.73 Bremer Bank1.081.47 Associated Bank0.730.89 KleinBank0.640.84 Think Mutual Bank0.590.76 Anchor Bank0.560.70 *services Ameriprise customers only; changing to non-depository trust company by year end. Source: FDIC Deposit Market Share Report for Minnesota