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. | 75,700 | $4,484,000 | 0.07% |
| PEAK6 Group LLC | 25,500 | $1,510,000 | 0.01% |
| Timber Hill LLC | 13,500 | $800,000 | 0.00% |
| Citadel Advisors | 46,900 | $2,778,000 | 0.00% |