CARBO CERAMICS INC's ticker is and the CUSIP is 140781955. A total of 3 filers reported holding CARBO CERAMICS INC in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2015 | $454,000 | +63.3% | 10,900 | +19.8% | 0.00% | +100.0% |
| Q1 2015 | $278,000 | -42.2% | 9,100 | -24.2% | 0.00% | -50.0% |
| Q4 2014 | $481,000 | -45.8% | 12,000 | -20.0% | 0.00% | -50.0% |
| Q3 2014 | $888,000 | +147.4% | 15,000 | +476.9% | 0.00% | +100.0% |
| Q1 2014 | $359,000 | -86.1% | 2,600 | -88.2% | 0.00% | -77.8% |
| Q4 2013 | $2,575,000 | +0.7% | 22,100 | -14.3% | 0.01% | 0.0% |
| Q3 2013 | $2,557,000 | +47.0% | 25,800 | 0.0% | 0.01% | +50.0% |
| Q2 2013 | $1,740,000 | – | 25,800 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 119,600 | $416,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| SIMPLEX TRADING, LLC | 4 | $1,000 | 0.00% |