Prem Watsa's position in Taiwan Semiconductor Manufacturing is currently worth $41.4M. That's 1.88% of their equity portfolio (12th largest holding). The first Taiwan Semiconductor Manufacturing trade was made in Q3 2017. Since then Prem Watsa bought shares four more times and sold shares on three occasions. The stake costed the investor $7.51M, netting the investor a gain of 451% so far.