CORE LABORATORIES N's ticker is and the CUSIP is N2271710. A total of 2 filers reported holding CORE LABORATORIES N in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2013 | $27,915,000 | – | 146,191 | – | 0.18% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| NORTHERN TRUST CO OF CONNECTICUT | 146,191 | $27,915,000 | 0.18% |
| INGALLS & SNYDER LLC | 3,555 | $678,000 | 0.04% |