Ken Griffin's position in TG Therapeutics is currently worth $17.3 Million. That's 0.02% of their equity portfolio (909th largest holding). The first TG Therapeutics trade was made in Q4 2013. Since then Ken Griffin bought shares 61 more times and sold shares on 47 occasions. The stake costed the investor $6.71 Million, netting the investor a gain of 157% so far.