GULFMARK OFFSHORE INC's ticker is GLF and the CUSIP is 402629109. A total of 3 filers reported holding GULFMARK OFFSHORE INC in Q1 2009. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2009 | $481,000 | – | 20,150 | – | 0.07% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GLENMEDE TRUST CO NA | 20,889 | $496,000 | 0.13% |