Ken Griffin acquired 309 Thousand Alphatec Holdings shares worth $3.39 Million. That's 0.00% of their equity portfolio (1941st largest holding). The first Alphatec Holdings trade was made in Q4 2019. Since then Ken Griffin bought shares 33 more times and sold shares on 24 occasions. The stake costed the investor $3.31 Million, netting the investor a gain of 2.4% so far.