CORE LABORATORIES N V's ticker is and the CUSIP is N22717907. A total of 5 filers reported holding CORE LABORATORIES N V in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2017 | $2,588,000 | -39.4% | 22,400 | -37.1% | 0.02% | -5.0% |
| Q4 2016 | $4,273,000 | +68.3% | 35,600 | +57.5% | 0.02% | +66.7% |
| Q3 2016 | $2,539,000 | -46.5% | 22,600 | -41.0% | 0.01% | -45.5% |
| Q2 2016 | $4,745,000 | +42.1% | 38,300 | +29.0% | 0.02% | +37.5% |
| Q1 2016 | $3,339,000 | +0.7% | 29,700 | -2.6% | 0.02% | 0.0% |
| Q4 2015 | $3,317,000 | +127.7% | 30,500 | +108.9% | 0.02% | +166.7% |
| Q3 2015 | $1,457,000 | -1.0% | 14,600 | +13.2% | 0.01% | -14.3% |
| Q2 2015 | $1,471,000 | +24.6% | 12,900 | +14.2% | 0.01% | +40.0% |
| Q1 2015 | $1,181,000 | +26.9% | 11,300 | +105.5% | 0.01% | +66.7% |
| Q3 2013 | $931,000 | -74.5% | 5,500 | -77.2% | 0.00% | -76.9% |
| Q2 2013 | $3,655,000 | – | 24,100 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 6,700 | $350,000 | 0.00% |
| SIMPLEX TRADING, LLC | 85 | $444,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |