Baillie Gifford acquired 1.09M Martin Marietta Materials shares worth $632M. That's 0.51% of their equity portfolio (39th largest holding). The investor owns 1.81% of the outstanding Martin Marietta Materials stock. The first Martin Marietta Materials trade was made in Q1 2013. Since then Baillie Gifford bought shares 23 more times and sold shares on 29 occasions. The stake costed the investor $213M, netting the investor a gain of 197% so far.