Ken Griffin acquired 19 Thousand Avista shares worth $760 Thousand. That's 0.00% of their equity portfolio (3066th largest holding). The first Avista trade was made in Q2 2013. Since then Ken Griffin bought shares 34 more times and sold shares on 46 occasions. The stake costed the investor $722 Thousand, netting the investor a gain of 5.2% so far.