CORE LABORATORIES N V's ticker is and the CUSIP is N22717957. A total of 3 filers reported holding CORE LABORATORIES N V in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2017 | $1,756,000 | -47.6% | 15,200 | -45.5% | 0.01% | -13.3% |
| Q4 2016 | $3,349,000 | +1388.4% | 27,900 | +1295.0% | 0.02% | +1400.0% |
| Q3 2016 | $225,000 | -87.5% | 2,000 | -86.2% | 0.00% | -87.5% |
| Q2 2016 | $1,796,000 | +190.6% | 14,500 | +163.6% | 0.01% | +166.7% |
| Q1 2016 | $618,000 | +72.1% | 5,500 | +66.7% | 0.00% | +50.0% |
| Q4 2015 | $359,000 | 0.0% | 3,300 | -8.3% | 0.00% | +100.0% |
| Q3 2015 | $359,000 | -77.8% | 3,600 | -74.6% | 0.00% | -85.7% |
| Q2 2015 | $1,619,000 | +84.4% | 14,200 | +69.0% | 0.01% | +75.0% |
| Q1 2015 | $878,000 | -5.7% | 8,400 | +52.7% | 0.00% | +33.3% |
| Q3 2013 | $931,000 | -59.3% | 5,500 | -63.6% | 0.00% | -62.5% |
| Q2 2013 | $2,290,000 | – | 15,100 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SIMPLEX TRADING, LLC | 87 | $186,000 | 0.01% |
| Citadel Advisors | 24,200 | $2,415,000 | 0.00% |
| Timber Hill LLC | 3,600 | $359,000 | 0.00% |