Ken Fisher acquired 8.14 Million Caterpillar shares worth $2.91 Billion. That's 1.48% of their equity portfolio (13th largest holding). The investor owns 1.57% of the outstanding Caterpillar stock. The first Caterpillar trade was made in Q1 2013. Since then Ken Fisher bought shares 30 more times and sold shares on thirteen occasions. The stake costed the investor $1.25 Billion, netting the investor a gain of 133% so far.