VISTANCE NETWORKS INC — institutional ownership

3 funds reported holding VISTANCE NETWORKS INC in their latest 13F filings, worth $10.5M in total (CUSIP 20337X959).

Largest holders

1. GROUP ONE TRADING LLC — $5.68M
2. IMC-Chicago, LLC — $2.96M
3. SIMPLEX TRADING, LLC — $1.81M