Jim Simons acquired 976 Thousand Spok Holdings shares worth $16.1 Million. That's 0.02% of their equity portfolio (683rd largest holding). The investor owns 4.74% of the outstanding Spok Holdings stock. The first Spok Holdings trade was made in Q3 2014. Since then Jim Simons bought shares thirteen more times and sold shares on 28 occasions. The stake costed the investor $13.7 Million, netting the investor a gain of 17% so far.