Tweedy Browne's position in Berkshire Hathaway is currently worth $412 Million. It makes up 19.18% of their stock portfolio and is their biggest holding. The first Berkshire Hathaway trade was made in Q1 2013. Since then Tweedy Browne bought shares two more times and sold shares on 29 occasions. The stake costed the investor $101 Million, netting the investor a gain of 308% so far.