Andreas Halvorsen acquired 2.56 Million Acadia Healthcare Company shares worth $170 Million. That's 0.64% of their equity portfolio (40th largest holding). The investor owns 2.75% of the outstanding Acadia Healthcare Company stock. The first Acadia Healthcare Company trade was made in Q1 2017. Since then Andreas Halvorsen bought shares nine more times and sold shares on six occasions. The stake costed the investor $163 Million, netting the investor a gain of 4.5% so far.