what s the most expensive stock of all time 
the most expensive publicly traded share of stock of all time were the class a shares of berkshire hathaway brk a warren buffet s conglomerate and holding company as of january 2022 they hit 487 675 per share on jan 18 2022 1 it s important to remember that this does not mean it is the most valuable company by stock value the value of a company s stock or market capitalization is determined by multiplying the price of its shares by the number of its shares 