David Tepper acquired 28.4k Exelon shares worth $1.23M. That's 0.02% of their equity portfolio (39th largest holding). David Tepper started to build up the position in Exelon in Q4 2005 and continued to invest until Q2 2008. Since then they sold 172k shares. The investor's estimated purchase price is $2.46M, resulting in a loss of 50%.