Ken Griffin acquired 1.55 Million Cigna Group (The) shares worth $535 Million. That's 0.55% of their equity portfolio (15th largest holding). The first Cigna Group (The) trade was made in Q4 2018. Since then Ken Griffin bought shares seven more times and sold shares on twelve occasions. The stake costed the investor $378 Million, netting the investor a gain of 41% so far.