GULFMARK OFFSHORE INC's ticker is GLF and the CUSIP is 402629505. A total of 27 filers reported holding GULFMARK OFFSHORE INC in Q4 2017. The put-call ratio across all filers is - and the average weighting 3.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $0 | – | 1 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| RAYNOR GEOFFREY | 761,648 | $28,409,000 | 47.69% |
| Raging Capital Management, LLC | 2,199,514 | $82,042,000 | 14.54% |
| Concourse Capital Management, LLC | 100,617 | $3,753,000 | 2.19% |
| QVT Financial LP | 161,492 | $6,306,000 | 1.63% |
| Oceanic Investment Management LTD | 16,550 | $617,000 | 1.28% |
| Phoenix Investment Adviser LLC | 23,088 | $861,000 | 1.21% |
| Chicago Capital Management, LLC | 68,264 | $2,546,000 | 0.98% |
| Robotti & Company | 61,700 | $2,301,000 | 0.61% |
| CPMG Inc | 132,046 | $4,925,000 | 0.34% |
| CANYON CAPITAL ADVISORS LLC | 600,253 | $22,389,000 | 0.30% |