CONSTANT CONTACT INC's ticker is and the CUSIP is 210313952. A total of 3 filers reported holding CONSTANT CONTACT INC in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 4,200 | $102,000 | 0.00% |
| Citadel Advisors | 8,500 | $206,000 | 0.00% |
| SIMPLEX TRADING, LLC | 6 | $0 | 0.00% |