CORE LABORATORIES N's ticker is and the CUSIP is N2271710. A total of 4 filers reported holding CORE LABORATORIES N in Q2 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2016 | $350,000 | +3.2% | 3,121 | 0.0% | 0.02% | 0.0% |
| Q4 2015 | $339,000 | +9.0% | 3,121 | 0.0% | 0.02% | +10.0% |
| Q3 2015 | $311,000 | -12.4% | 3,121 | 0.0% | 0.02% | 0.0% |
| Q2 2015 | $355,000 | +2.9% | 3,121 | -5.7% | 0.02% | +5.3% |
| Q1 2015 | $345,000 | -13.3% | 3,308 | 0.0% | 0.02% | -17.4% |
| Q4 2014 | $398,000 | -17.8% | 3,308 | 0.0% | 0.02% | -11.5% |
| Q3 2014 | $484,000 | -12.3% | 3,308 | 0.0% | 0.03% | -3.7% |
| Q2 2014 | $552,000 | -16.0% | 3,308 | -0.2% | 0.03% | -22.9% |
| Q1 2014 | $657,000 | -3.1% | 3,315 | -6.8% | 0.04% | -5.4% |
| Q4 2013 | $678,000 | +12.6% | 3,555 | -0.2% | 0.04% | +2.8% |
| Q3 2013 | $602,000 | +7.3% | 3,561 | -3.8% | 0.04% | 0.0% |
| Q2 2013 | $561,000 | – | 3,701 | – | 0.04% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| CenterStar Fund, LLC | 400 | $46,000 | 0.06% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 48,000 | $5,474,000 | 0.03% |
| INGALLS & SNYDER LLC | 3,121 | $355,000 | 0.02% |
| NORTHERN TRUST CORP | 238,593 | $27,209,000 | 0.01% |
| CenterStar Fund, LLC | 500 | $5,000 | 0.01% |