Chuck Royce acquired 3.67M Ribbon Communications shares worth $15.3M. That's 0.15% of their equity portfolio (212th largest holding). The investor owns 2.11% of the outstanding Ribbon Communications stock. The first Ribbon Communications trade was made in Q4 2017. Since then Chuck Royce bought shares sixteen more times and sold shares on four occasions. The stake costed the investor $12.1M, netting the investor a gain of 26% so far.