George Soros's position in Mack-Cali Realty is currently worth $28.1M. That's 0.32% of their equity portfolio (55th largest holding). The investor owns 1.54% of the outstanding Mack-Cali Realty stock. The first Mack-Cali Realty trade was made in Q3 2010. Since then George Soros bought shares four more times and sold shares on six occasions.