Daniel Loeb acquired 250 Thousand American Water Works Inc. shares worth $36.4 Million. That's 0.59% of their equity portfolio (27th largest holding). Daniel Loeb started to build up the position in American Water Works Inc. in Q3 2009. Since then they sold 750 Thousand shares. The stake costed the investor $4.9 Million, netting the investor a gain of 641% so far.