Jeremy Grantham acquired 122 Thousand Heico Corp. shares worth $17.5 Million. That's 0.08% of their equity portfolio (197th largest holding). The first Heico Corp. trade was made in Q1 2016. Since then Jeremy Grantham bought shares five more times and sold shares on four occasions. The stake costed the investor $14.8 Million, netting the investor a gain of 18% so far.