A 1962, Buffett ya zama miliyon ne saboda haɗin gwiwarsa, wanda a cikin Janairu 1962 ya wuce $ 7,178,500, wanda a yanzu ya wuce $ 1,025,000 na Buffett. Ya fara haɗuwa da waɗannan haɗin gwiwar zuwa ɗaya. Buffett ya saka hannun jari kuma daga ƙarshe ya mallaki kamfanin kera masana'antun masana'antu, Berkshire Hathaway. Ya fara siyan hannun jari a Berkshire daga Seabury Stanton, mai shi, wanda daga baya ya kora. Abokan haɗin gwiwar Buffett sun fara siyan hannun jari a $ 7.60 a kowace hannun jari. A cikin 1965, lokacin da abokan haɗin gwiwar Buffett suka fara siyan Berkshire da ƙarfi, sun biya $ 14.86 a kowace hannun jari yayin da kamfanin ke da babban birnin aiki na $ 19 a kowace hannun jari. Wannan bai haɗa da ƙimar dukiyar da aka gyara ba (masana'antar da masu zaman kansu). Daga cikin abokan haɗin gwiwar da Buffett ya yi rayuwa a yanzu a waje da $ 7,178,500, wanda sama da $ 1,025,000 ya kasance na Buffett. Buffett ya fara haɗuwa da waɗannan haɗin gwiwar zuwa ɗaya. Buffett ya fara saka hannun jari kuma daga ƙarshe
hannun jari na Berkshire Hathaway