Ken Griffin acquired 7.8 Thousand Bruker shares worth $613 Thousand. That's 0.00% of their equity portfolio (3190th largest holding). The first Bruker trade was made in Q2 2013. Since then Ken Griffin bought shares 40 more times and sold shares on 40 occasions. The stake costed the investor $484 Thousand, netting the investor a gain of 27% so far.