Gulfport Energy Corp

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Gulfport Energy Corp
TickerGPOR
CIK #0000874499
CUSIP402635502
SectorEnergy & Transportation - Crude Petroleum & Natural Gas
Address14313 North May Avenue Suite 100, Oklahoma City, OK 73134
Source [EDGAR]
CIK Filing 2011 - 2025
[0000874499] 10-K
[0000874499] 10-Q
[0000874499] 3
[0000874499] 4
[0000874499] 5
[0000874499] 8-K
[0000874499] SC 13D
[0000874499] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Vanguard Group Inc Gulfport Energy Corp [2025-04-30] 0.0
FMR LLC Gulfport Energy Corp [2025-02-12] 0.0
BlackRock Inc Gulfport Energy Corp [2024-11-08] 5.3
BlackRock Inc Gulfport Energy Corp [2024-10-22] 5.3
Wellington Management Group LLP Gulfport Energy Corp [2024-02-08] 5.42
AllianceBernstein LP Gulfport Energy Corp [2022-02-14] 6.1
JPMorgan Chase & Co Gulfport Energy Corp [2022-01-21] 7.4
Silver Point Capital LP Gulfport Energy Corp [2021-05-27] 0.0
Mackay Shields LLC Gulfport Energy Corp [2021-05-25] 11.67
Shah Capital Management Gulfport Energy Corp [2020-10-06] 11.0
State Street Corp Gulfport Energy Corp [2020-02-13] 7.2
State Street Corp Gulfport Energy Corp [2019-02-14] 5.8
LSV Asset Management Gulfport Energy Corp [2019-02-13] 5.22
Dimensional Fund Advisors LP Gulfport Energy Corp [2019-02-08] 8.48
Firefly Value Partners LP Gulfport Energy Corp [2018-12-10] 7.7
Firefly Value Partners LP Gulfport Energy Corp [2018-05-03] 5.2
Gulfport Energy Corp Mammoth Energy Services Inc [2018-02-14] 25.1
Viking Global Investors LP Gulfport Energy Corp [2017-03-20] 5.8
Vanloh S Wil Jr Gulfport Energy Corp [2017-02-27] 13.1
Goldberg Alan E Gulfport Energy Corp [2017-02-27] 13.1
Vitruvian II Woodford LLC Gulfport Energy Corp [2017-02-27] 13.1
Gulfport Energy Corp Mammoth Energy Services Inc [2017-02-14] 24.2
Boston Partners Gulfport Energy Corp [2016-10-11] 10.31
Viking Global Investors LP Gulfport Energy Corp [2016-01-29] 7.3
Putnam Investments LLC Gulfport Energy Corp [2015-02-17] 6.5
Credit Suisse AG/ Gulfport Energy Corp [2015-02-04] 5.02
Integrated Core Strategies US LLC Gulfport Energy Corp [2015-01-13] 1.7
Fir Tree Inc Gulfport Energy Corp [2014-02-13] 5.2
Citadel Advisors LLC Gulfport Energy Corp [2013-02-19] 5.5
Vanguard Group Inc Gulfport Energy Corp [2013-02-13] 5.45
Gulfport Energy Corp Diamondback Energy Inc [2013-02-12] 21.4
Davidson Charles E Gulfport Energy Corp [2012-03-08] 11.56
Neuberger Berman Group LLC Gulfport Energy Corp [2012-02-14] 6.21
BlackRock Inc Gulfport Energy Corp [2012-02-09] 6.37
Bank of New York Mellon Corp Gulfport Energy Corp [2012-01-30] 5.31
Form 3/4/5 Filer 2011 - 2025
Cutt Timothy J.
Gulfport Energy Corp
Martinez Jason Joseph
Willrath Matthew
Silver Point Capital L.P.
O'Shea Robert J
Mule Edward A
Zitkus Lester
Wolf David D
Reganato David A
Shafer-Malicki Mary
Powers Jean Marie
Sluiter Michael
Craine Patrick K.
Hodges Michael L
Rucker Matthew
Reinhart John K
Buese William J
Moses Robert John
Martinez Guillermo
Moore Donnie G
Wood David M.
Firefly Management CO GP, LLC
Firefly Value Partners, LP
Warszawski Ariel
FVP GP LLC
FVP Master Fund LP
Heslop Ryan
Johnson Charles Douglas
Bledsoe Alvin
Hicks Quentin R
Morris Ben T
Somerhalder John W II
Jochen Valerie
Holroyd Samantha
Adams Deborah G
Peck Ty
Malone Mark
Maier Stuart
Jones Robert Alan
Heerwagen Paul K IV
Westerman Paul D
Groeschel Craig
Houston David L
Streller Scott E
Baldwin Steve
Crowell Keri
Mammoth Energy Services Inc
Moore Michael G
Q-Vex II LP
Vitruvian Exploration II Holdings, LLC
Vitruvian Exploration II, LLC
QEM V LLC
Vitruvian II Woodford, LLC
Vanloh S Wil Jr
Goldberg Alan E
Lindsay Robert D
Kirtley Ross
Gaydosik Aaron
Dillingham Donald L
Reddin Michael
Diamondback Energy, Inc.
Palm James D
Liddell Mike
Davidson Charles E
Form 13F Holdings
Firm Period DFND Voting Shares
Silver Point Capital LP [2025-06-30] DFND 1,997,413 1,997,413
BlackRock, Inc. [2025-06-30] SOLE 1,035,548 1,060,197
FMR LLC [2025-06-30] DFND 1,035,835 1,036,457
Vanguard Group Inc [2025-06-30] SOLE 0 972,339
Wellington Management Group LLP [2025-06-30] DFND 0 782,962
Macquarie Group Ltd [2025-06-30] SOLE 649,667 657,542
Dimensional Fund Advisors LP [2025-06-30] SOLE 532,549 533,944
State Street Corp [2025-06-30] DFND 472,938 482,458
Driehaus Capital Management LLC [2025-06-30] SOLE 366,314 473,138
Jennison Associates LLC [2025-06-30] DFND 457,314 458,055
JPMorgan Chase & Co [2025-06-30] DFND 389,444 434,499
Adage Capital Partners GP LLC [2025-06-30] SOLE 400,803 400,803
Geode Capital Management LLC [2025-06-30] DFND 332,557 332,557
Woodline Partners LP [2025-06-30] SOLE 302,627 302,627
Jane Street Group LLC [2025-06-30] DFND 221,139 242,039
William Blair Investment Management LLC [2025-06-30] SOLE 159,928 224,972
Palo Duro Investment Partners LP [2025-06-30] SOLE 213,943 213,943
Victory Capital Management Inc [2025-06-30] SOLE 191,236 209,005
Qube Research & Technologies Ltd [2025-06-30] SOLE 188,768 188,768
Principal Financial Group Inc [2025-06-30] DFND 188,607 188,607
First Pacific Advisors LP [2025-06-30] SOLE 0 171,812
Janus Henderson Group PLC [2025-06-30] DFND 0 171,466
HITE Hedge Asset Management LLC [2025-06-30] SOLE 169,425 169,425
Mackenzie Financial Corp [2025-06-30] SOLE 165,083 165,083
Global Alpha Capital Management Ltd [2025-06-30] SOLE 156,495 163,160
Morgan Stanley [2025-06-30] DFND 153,867 162,780
Pictet Asset Management Holding SA [2025-06-30] SOLE 161,186 162,770
Charles Schwab Investment Management Inc [2025-06-30] SOLE 162,738 162,738
Arrowstreet Capital Limited Partnership [2025-06-30] DFND 161,431 161,879
Sir Capital Management LP [2025-06-30] SOLE 155,454 155,454
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