Tweedy Browne's position in Vertex Pharmaceuticals is currently worth $18.9M. That's 1.45% of their equity portfolio (18th largest holding). The first Vertex Pharmaceuticals trade was made in Q3 2023. Since then Tweedy Browne bought shares three more times and sold shares on seven occasions. The stake costed the investor $14.3M, netting the investor a gain of 32% so far.