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 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $17 | -73.4% | 800 | -75.0% | 0.00% | – |
| Q4 2022 | $64 | -99.9% | 3,200 | -3.0% | 0.00% | – |
| Q2 2022 | $65,000 | +195.5% | 3,300 | +371.4% | 0.00% | – |
| Q1 2022 | $22,000 | +29.4% | 700 | -12.5% | 0.00% | – |
| Q4 2021 | $17,000 | -93.9% | 800 | -88.7% | 0.00% | – |
| Q3 2021 | $277,000 | +0.4% | 7,100 | 0.0% | 0.00% | – |
| Q2 2021 | $276,000 | +1523.5% | 7,100 | +118233.3% | 0.00% | – |
| Q1 2021 | $17,000 | -91.7% | 6 | -92.3% | 0.00% | – |
| Q4 2020 | $206,000 | +28.0% | 78 | -26.4% | 0.00% | – |
| Q3 2020 | $161,000 | -55.2% | 106 | -40.1% | 0.00% | -100.0% |
| Q2 2020 | $359,000 | +68.5% | 177 | -14.1% | 0.00% | – |
| Q1 2020 | $213,000 | +200.0% | 206 | +984.2% | 0.00% | – |
| Q4 2019 | $71,000 | -89.8% | 19 | -87.3% | 0.00% | -100.0% |
| Q3 2019 | $699,000 | +943.3% | 150 | +1053.8% | 0.00% | – |
| Q2 2019 | $67,000 | -90.4% | 13 | -87.1% | 0.00% | -100.0% |
| Q1 2019 | $696,000 | +291.0% | 101 | +236.7% | 0.00% | +100.0% |
| Q4 2018 | $178,000 | -65.8% | 30 | -33.3% | 0.00% | -50.0% |
| Q3 2018 | $521,000 | +4241.7% | 45 | +4400.0% | 0.00% | – |
| Q2 2018 | $12,000 | +50.0% | 1 | -96.3% | 0.00% | – |
| Q1 2018 | $8,000 | -11.1% | 27 | -59.7% | 0.00% | – |
| Q4 2017 | $9,000 | +12.5% | 67 | +34.0% | 0.00% | – |
| Q3 2017 | $8,000 | +33.3% | 50 | +455.6% | 0.00% | – |
| Q2 2017 | $6,000 | -83.3% | 9 | -76.9% | 0.00% | -100.0% |
| Q1 2017 | $36,000 | +1700.0% | 39 | +25.8% | 0.00% | – |
| Q4 2016 | $2,000 | -90.9% | 31 | -76.9% | 0.00% | -100.0% |
| Q3 2016 | $22,000 | +266.7% | 134 | +930.8% | 0.00% | – |
| Q2 2016 | $6,000 | -83.8% | 13 | -83.5% | 0.00% | -100.0% |
| Q1 2016 | $37,000 | -2.6% | 79 | -20.2% | 0.00% | 0.0% |
| Q4 2015 | $38,000 | -79.6% | 99 | +13.8% | 0.00% | -78.6% |
| Q3 2015 | $186,000 | +520.0% | 87 | +112.2% | 0.01% | +366.7% |
| Q2 2015 | $30,000 | -33.3% | 41 | 0.0% | 0.00% | -40.0% |
| Q1 2015 | $45,000 | – | 41 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 5,800 | $672,000 | 0.01% |
| SIMPLEX TRADING, LLC | 45 | $521,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |