CORE LABORATORIES N V's ticker is and the CUSIP is N22717907. A total of 3 filers reported holding CORE LABORATORIES N V in Q1 2016. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $2,719,000 | – | 25,000 | – | 0.15% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 300 | $4,000 | 0.00% |
| SIMPLEX TRADING, LLC | 500 | $6,000 | 0.00% |