Ron Baron acquired 6.35 Thousand Costco Wholesale shares worth $6.29 Million. That's 0.02% of their equity portfolio (232nd largest holding). The first Costco Wholesale trade was made in Q1 2013. Since then Ron Baron bought shares twenty more times and sold shares on eleven occasions. The stake costed the investor $3.52 Million, netting the investor a gain of 79% so far.