Who owns the Middlefield banking company?

AMERICAN FNB 7 Antwerp Exchange Bank Company 17 Bank of Clovis 3 Bank of Grain Valley 11 BESSEMER TC 14 BMO Harris Central, National Association 19 Citizens Farmers Bank of Cole Camp 1 Citizens State Bank of Waverly 1 CoreBank 9 First State Bank of Blakely 9 First State Bank of Forsyth 2 First State Bank of Swanville 6 GRASSHOPPER Bank National Association 11 Greenleaf Bank 17 MILLENNIUM Bank 14 National Iron Bank 11 Raymond James Trust, National Association 12 West Valley National Bank 8 Western Bank, Artesia, NM 5 ZIONS BC National Association 22