PRIMECAP Management acquired 1.59 Million Tradeweb Markets shares worth $165 Million. That's 0.12% of their equity portfolio (102nd largest holding). The investor owns 1.40% of the outstanding Tradeweb Markets stock. The first Tradeweb Markets trade was made in Q2 2019. Since then PRIMECAP Management bought shares fourteen more times and sold shares on five occasions. The stake costed the investor $95 Million, netting the investor a gain of 74% so far.