nov 10 reuters  berkshire hathaway inc brkan the conglomerate run by billionaire warren buffett said on thursday it has shed more than 91 million us bancorp usbn shares since the start of the year reducing its stake in the fifthlargest us bank by 63 in a regulatory filing berkshire said it owned just over 53 million us bancorp shares for a 36 stake on oct 31 down from 1447 million shares or 98 on dec 31 2021 berkshire began investing in the minneapolisbased bank in 2006 according to regulatory filings it not did give a reason for the reduction or say if it has sold more stock in november buffett does not discuss his stock purchases and sales while they are ongoing us bancorp and buffetts assistant did not immediately respond to requests for comment after market hours shares of us bancorp closed thursday at 4487 they have fallen 20 this year banks and other financial services companies normally comprise a large percentage of berkshires equity portfolio which totaled 3062 billion as of sept 30 the omaha nebraskabased company ended september with a 312 billion stake in bank of america corp bacn the secondlargest us bank and recently held large stakes in american express co axpn and bank of new york mellon corp bkn it has in recent years also held and sold multibilliondollar stakes in goldman sachs group inc gsn jpmorgan chase  co jpmn and wells fargo  co wfcn apple inc aaplo is berkshires largest common stock investment berkshire owned 1265 billion of the iphone makers shares on sept 30 on nov 14 berkshire is expected in a regulatory filing to disclose more information about its uslisted stock holdings buffett 92 has run berkshire since 1965 the conglomerate also owns several dozen companies including the bnsf railroad geico auto insurer energy and industrial businesses and consumer products such as dairy queen ice cream reporting by jonathan stempel in new york editing by leslie adler