George Soros acquired 577k Idacorp shares worth $81.6M. That's 0.94% of their equity portfolio (14th largest holding). The investor owns 1.04% of the outstanding Idacorp stock. The first Idacorp trade was made in Q4 2009. Since then George Soros bought shares three more times and sold shares on four occasions. The stake costed the investor $69.4M, netting the investor a gain of 18% so far.