Calamos Advisors LLC - GULFMARK OFFSHORE INC ownership

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GULFMARK OFFSHORE INC's ticker is GLF and the CUSIP is 402629505. A total of 29 filers reported holding GULFMARK OFFSHORE INC in Q1 2018. The put-call ratio across all filers is - and the average weighting 2.2%.

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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$4,106,000–144,113–0.02%–
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Other shareholders

There were no reported owners of GULFMARK OFFSHORE INC in Q1 2018.

NameSharesValueWeighting ↓
View complete list of GULFMARK OFFSHORE INC shareholders