13F's we're still waiting for include:
HARTLINE INVESTMENT CORP/ ... 06/30/2017 ... 2,820,877 ... 108,940 ... 4.02 ... 3,244
VIRTU KCG HOLDINGS LLC ... 06/30/2017 ... 50,014 ... (129,593) ... (72.15) ... 58
These two are late.
Hartline can skew ROX's institutional holdings one way or another. At the last reporting period they were the 3rd largest holder of ROX shares.