Calamos Advisors LLC - GULFMARK OFFSHORE INC ownership

GULFMARK OFFSHORE INC's ticker is GLF and the CUSIP is 402629505. A total of 49 filers reported holding GULFMARK OFFSHORE INC in Q2 2018. The put-call ratio across all filers is - and the average weighting 1.3%.

Quarter-by-quarter ownership
Calamos Advisors LLC ownership history of GULFMARK OFFSHORE INC
ValueSharesWeighting
Q3 2018$1,183,000
-21.4%
31,716
-29.4%
0.01%
-22.2%
Q2 2018$1,505,000
-61.3%
44,916
-66.5%
0.01%
-64.0%
Q1 2018$3,890,000
-5.3%
134,106
-6.9%
0.02%
+19.0%
Q4 2017$4,106,000144,1130.02%
Other shareholders
GULFMARK OFFSHORE INC shareholders Q2 2018
NameSharesValueWeighting ↓
RAYNOR GEOFFREY 761,648$28,409,00047.69%
Raging Capital Management, LLC 2,199,514$82,042,00014.54%
Concourse Capital Management, LLC 100,617$3,753,0002.19%
QVT Financial LP 161,492$6,306,0001.63%
Oceanic Investment Management LTD 16,550$617,0001.28%
Phoenix Investment Adviser LLC 23,088$861,0001.21%
Chicago Capital Management, LLC 68,264$2,546,0000.98%
Robotti & Company 61,700$2,301,0000.61%
CPMG Inc 132,046$4,925,0000.34%
CANYON CAPITAL ADVISORS LLC 600,253$22,389,0000.30%
View complete list of GULFMARK OFFSHORE INC shareholders