Gulfport Energy Corp

GPOR

Exchange: NYSE
Industry: Crude Petroleum & Natural Gas
SEC CIK: 0000874499

SEC filings (opens in a new tab)

In the last 90 days, Gulfport Energy Corp insiders filed 1 open-market purchase and 2 sales; 291 institutions reported holding it in 13F filings for Q2 2026, worth $3.58B in total; no superinvestor holds it.

Q4 2023 vs. Q3 2023

How the institutions holding Gulfport Energy Corp changed between Q3 2023 and Q4 2023.

All holders in Q4 2023 All holders in Q3 2023

13F holders of GPOR: Q3 2023 compared with Q4 2023
Measure	Q3 2023	Of which not filed for Q4 2023	Q4 2023	Change
Holders	176	1	192	+17
Shares	19.4M	7	19.0M	−362.7K (−1.9%)
Value	$2.32B	$0	$2.53B	+$212.7M (+9.2%)

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (37)

Institutions that held Gulfport Energy Corp at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to GPOR in Q4 2023
Institution	Shares	Value	% of portfolio
Balyasny Asset Management LLC	130,172	$17.3M	0.05%
Thrivent Financial for Lutherans	104,119	$13.9M	0.03%
Webs Creek Capital Management LP	63,492	$8.46M	3.89%
Two Sigma Advisers, LP	62,600	$8.34M	0.02%
ExodusPoint Capital Management, LP	49,150	$6.55M	0.08%
Nomura Holdings Inc	39,703	$5.29M	0.05%
Candelo Capital Management LP	39,520	$5.26M	4.48%
Bridgewater Associates, LP	37,288	$4.97M	0.03%
HITE Hedge Asset Management LLC	35,000	$4.66M	0.49%
Alyeska Investment Group, L.P.	34,062	$4.54M	0.03%
CastleKnight Management LP	29,277	$3.90M	0.63%
Davidson Kempner Capital Management LP	20,000	$2.66M	0.05%
Carlson Capital L P	13,500	$1.80M	0.14%
Nomura Asset Management Co Ltd	11,118	$1.48M	0.01%
Janney Montgomery Scott LLC	10,554	$1.41M	0.00%
State of Wisconsin Investment Board	9,451	$1.26M	0.00%
DRW Securities, LLC	8,000	$1.07M	0.03%
Advisory Research Inc	5,975	$795.9K	0.12%
Seven Eight Capital, LP	5,506	$733.4K	0.08%
Walleye Capital LLC	5,415	$721.3K	0.01%
ClearAlpha Technologies LP	5,111	$680.8K	0.26%
Advantage Alpha Capital Partners LP	3,718	$495.2K	0.09%
Numerai GP LLC	3,310	$440.9K	0.16%
Boston Partners	2,807	$373.9K	0.00%
Algert Global LLC	2,380	$317.0K	0.01%
Pearl River Capital, LLC	2,287	$304.6K	0.05%
Omers Administration Corp	2,100	$279.7K	0.00%
Mackenzie Financial Corp	1,936	$257.9K	0.00%
ProShare Advisors LLC	1,855	$247.1K	0.00%
HSBC Holdings PLC	1,748	$234.0K	0.00%
Dynamic Technology Lab Private Ltd	1,539	$205.0K	0.02%
Gladius Capital Management LP	228	$30.4K	0.02%
WealthCollab, LLC	132	$17.6K	0.01%
Robeco Institutional Asset Management B.V.	124	$16.5K	0.00%
C M Bidwell & Associates Ltd	23	$3.06K	0.00%
Private Wealth Management Group, LLC	20	$2.66K	0.00%
DiNuzzo Private Wealth, Inc.	1	$134	0.00%

Sold out (20)

Institutions that held Gulfport Energy Corp at the end of Q3 2023 and filed for Q4 2023 without it.

Institutions that sold out of GPOR in Q4 2023
Institution	Shares, Q3 2023	Value, Q3 2023
Millennium Management LLC	180,617	$21.4M
Marshall Wace, LLP	41,099	$4.88M
Voloridge Investment Management, LLC	26,519	$3.15M
Tudor Investment Corp Et Al	25,873	$3.07M
Squarepoint Ops LLC	20,819	$2.47M
GeoSphere Capital Management, LLC	20,000	$2.37M
South Dakota Investment Council	11,632	$1.38M
L & S Advisors Inc	9,376	$1.11M
GWM Advisors LLC	6,915	$820.5K
First Dallas Securities Inc.	6,600	$783.0K
HRT Financial LP	4,008	$475.0K
Raffles Associates LP	4,000	$474.6K
Nebula Research & Development LLC	3,785	$449.1K
Petrus Trust Company, LTA	3,763	$446.5K
Bailard, Inc.	2,681	$318.1K
FORA Capital, LLC	2,565	$304.4K
XTX Topco Ltd	2,005	$237.9K
Cubist Systematic Strategies, LLC	162	$19.2K
US Bancorp	100	$11.9K
Allworth Financial LP	10	$1.19K

Not filed for Q4 2023 yet (1)

Institutions that held Gulfport Energy Corp at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding GPOR in Q3 2023 that haven't filed for Q4 2023
Institution	Shares, Q3 2023	Value, Q3 2023
Steward Financial Group LLC	7	$0