GULFMARK OFFSHORE INC's ticker is GLF and the CUSIP is 402629505. A total of 1 filers reported holding GULFMARK OFFSHORE INC in Q4 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $518,000 | – | 13,900 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Claro Advisors LLC | 2 | $0 | 0.00% |