Baillie Gifford acquired 2.27 Million Martin Marietta Materials shares worth $1.39 Billion. That's 1.09% of their equity portfolio (24th largest holding). The investor owns 3.73% 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 21 occasions. The stake costed the investor $445 Million, netting the investor a gain of 212% so far.