Jim Simons acquired 974 Thousand Spok Holdings shares worth $15 Million. That's 0.02% of their equity portfolio (732nd largest holding). The investor owns 5.00% of the outstanding Spok Holdings stock. The first Spok Holdings trade was made in Q3 2014. Since then Jim Simons bought shares eleven more times and sold shares on 26 occasions. The stake costed the investor $13.7 Million, netting the investor a gain of 9.6% so far.