CARBO CERAMICS INC's ticker is and the CUSIP is 140781905. A total of 3 filers reported holding CARBO CERAMICS INC in Q2 2016. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2016 | $2,485,000 | – | 175,000 | – | 0.10% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 14,400 | $189,000 | 0.00% |
| Citadel Advisors | 31,100 | $407,000 | 0.00% |
| SIMPLEX TRADING, LLC | 7 | $0 | 0.00% |