Jim Simons acquired 1.2 Million Spok Holdings shares worth $8.53 Million. That's 0.01% of their equity portfolio (1245th largest holding). The investor owns 6.07% of the outstanding Spok Holdings stock. The first Spok Holdings trade was made in Q3 2014. Since then Jim Simons bought shares ten more times and sold shares on 21 occasions. The investor's estimated purchase price is $17.4 Million, resulting in a loss of 51%.