Baillie Gifford's position in Costar Group is currently worth $640 Million. That's 0.53% of their equity portfolio (37th largest holding). The investor owns 1.95% of the outstanding Costar Group stock. The first Costar Group trade was made in Q3 2016. Since then Baillie Gifford bought shares eighteen more times and sold shares on sixteen occasions. The stake costed the investor $593 Million, netting the investor a gain of 8.0% so far.