Ticker · CUSIP 402635502

GPOR

GULFPORT ENERGY CORP

Energy·Oil & Gas E&P

···Share

Holders (tracked)

Combined shares

1,308,198

Combined value

$272.09M

Last close

$193.48

Quarter

2025Q4

Price is -7.0% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$193.48+20.81 (+12.05%)H $222.49 · L $163.80 · Avg Vol 275K

Congress buyCongress sellPosition opened

Tracked holders · last 8 quarters

+1 vs previous quarter over the last 8.

SEC event timeline

20 events

Ken Griffin (Citadel Advisors) added2026-02-17
+4,650 shares · 2025Q4
Position
Jeremy Grantham (GMO) trimmed2026-02-17
−17,300 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+24,538 shares · 2025Q4
Position
D.E. Shaw & Co. trimmed2026-02-17
−2,729 shares · 2025Q4
Position
Two Sigma Investments trimmed2026-02-17
−15,494 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−100,128 shares · 2025Q4
Position
Wellington Management trimmed2026-02-17
−285,744 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+1,350 shares · 2025Q4
Position
Ray Dalio (Bridgewater Associates) trimmed2026-02-13
−32,803 shares · 2025Q4
Position
Renaissance Technologies opened position2026-02-12
+20,100 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) exited2025-12-09
−32,048 shares · 2025Q3
Position
AQR Capital Management added2025-11-14
+26,698 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+395,197 shares · 2025Q3
Position
Two Sigma Investments trimmed2025-11-14
−73,905 shares · 2025Q3
Position
D.E. Shaw & Co. trimmed2025-11-14
−26,079 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+1,151 shares · 2025Q3
Position
Wellington Management trimmed2025-11-14
−57,659 shares · 2025Q3
Position
Ray Dalio (Bridgewater Associates) added2025-11-13
+66,875 shares · 2025Q3
Position
Jeremy Grantham (GMO) added2025-11-13
+3,600 shares · 2025Q3
Position
Renaissance Technologies exited2025-11-13
−44,500 shares · 2025Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for GPOR →

Follow-the-investor returns

If you'd copied each holder of GPOR…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Wellington Management	2022Q1	$138.09	+40.1%	$85.0M
D.E. Shaw & Co.	2022Q2	$142.97	+35.3%	$762K
T. Rowe Price	2023Q2	$148.57	+30.2%	$24.2M
Two Sigma Investments	2021Q2	$156.92	+23.3%	$5.1M
Ray Dalio (Bridgewater Associates)	2023Q4	$163.50	+18.3%	$22.1M
Jeremy Grantham (GMO)	2021Q2	$165.02	+17.2%	$15.2M
AQR Capital Management	2022Q1	$169.11	+14.4%	$26.0M
Izzy Englander (Millennium Mgmt)	2021Q2	$177.76	+8.8%	$63.1M
Renaissance Technologies	2021Q4	$179.74	+7.6%	$3.9M
Ken Griffin (Citadel Advisors)	2021Q2	$197.92	-2.2%	$3.9M
Ken Griffin (Citadel Advisors)	2021Q2	$197.92	-2.2%	$3.9M
Ken Griffin (Citadel Advisors)	2021Q2	$197.92	-2.2%	$3.9M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions1

Renaissance Technologies
+20,100
$4.2M

Added to3

AQR Capital Management
+24,538
$5.1M
Ken Griffin (Citadel Advisors)
+4,650
$967K
T. Rowe Price
+1,350
$281

Trimmed6

Wellington Management
−285,744
$59.4M
Izzy Englander (Millennium Mgmt)
−100,128
$20.8M
Ray Dalio (Bridgewater Associates)
−32,803
$6.8M
Jeremy Grantham (GMO)
−17,300
$3.6M
Two Sigma Investments
−15,494
$3.2M
D.E. Shaw & Co.
−2,729
$568K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	11	814,286	$73.1M	—
2022Q2	9	1,144,471	$91.0M	-2
2022Q3	10	1,232,969	$108.9M	+1
2022Q4	12	1,349,667	$99.4M	+2
2023Q1	11	1,465,750	$117.3M	-1
2023Q2	15	2,100,470	$220.7M	+4
2023Q3	14	1,608,483	$190.9M	-1
2023Q4	12	1,559,677	$207.8M	-2
2024Q1	13	2,999,725	$480.3M	+1
2024Q2	14	3,316,553	$500.8M	+1
2024Q3	12	2,444,072	$369.9M	-2
2024Q4	13	1,069,771	$197.1M	+1
2025Q1	12	1,952,015	$359.4M	-1
2025Q2	13	1,457,944	$293.3M	+1
2025Q3	11	1,707,658	$309.1M	-2
2025Q4	12	1,308,198	$272.1M	+1

Congress members trading this stock

Date	Member	Type	Amount range	Filing
2026-01-09	Gilbert Cisneros	Sell	$1K – $15K	PDF ↗
2025-07-18	Gilbert Cisneros	Buy	$1K – $15K	PDF ↗
2025-07-07	Gilbert Cisneros	Buy	$1K – $15K	PDF ↗

Who owns GPOR

12 super-investors · 2025Q4

Tracked stake

1.31M

Combined value

$272M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New1Added5Trim6

#	Manager	Shares	Value	% of book	Last action
1	Wellington Management	439.6K	$91M	0.0%	Trim−285.7K
2	Izzy Englander Millennium Mgmt	325.9K	$68M	0.0%	Trim−100.1K
3	AQR Capital Management	134.5K	$28M	0.0%	Added+24.5K
4	T. Rowe Price	125.0K	$26M	0.0%	Added+1.4K
5	Ray Dalio Bridgewater Associates	114.2K	$24M	0.1%	Trim−32.8K
6	Jeremy Grantham GMO	78.4K	$16M	0.0%	Trim−17.3K
7	Two Sigma Investments	26.5K	$6M	0.0%	Trim−15.5K
8	Renaissance Technologies	20.1K	$4M	0.0%	New+20.1K
9	Ken Griffin Citadel Advisors	19.9K	$4M	0.0%	Added+4.7K
10	Ken Griffin Citadel Advisors	11.5K	$2M	0.0%	Added+4.7K
11	Ken Griffin Citadel Advisors	8.7K	$2M	0.0%	Added+4.7K
12	D.E. Shaw & Co.	3.9K	$819K	0.0%	Trim−2.7K

Recent moves

20 transactions

TRIMD.E. Shaw & Co.
−2,729 · 2025Q4
TRIMTwo Sigma Investments
−15,494 · 2025Q4
ADDAQR Capital Management
+24,538 · 2025Q4
TRIMJeremy Grantham (GMO)
−17,300 · 2025Q4
ADDKen Griffin (Citadel Advisors)
+4,650 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−100,128 · 2025Q4
ADDT. Rowe Price
+1,350 · 2025Q4
TRIMWellington Management
−285,744 · 2025Q4
TRIMRay Dalio (Bridgewater Associates)
−32,803 · 2025Q4
NEWRenaissance Technologies
+20,100 · 2025Q4
SOLDPaul Tudor Jones (Tudor Investment)
−32,048 · 2025Q3
ADDT. Rowe Price
+1,151 · 2025Q3
TRIMTwo Sigma Investments
−73,905 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+395,197 · 2025Q3
TRIMWellington Management
−57,659 · 2025Q3
TRIMD.E. Shaw & Co.
−26,079 · 2025Q3
ADDAQR Capital Management
+26,698 · 2025Q3
ADDRay Dalio (Bridgewater Associates)
+66,875 · 2025Q3
SOLDRenaissance Technologies
−44,500 · 2025Q3
ADDJeremy Grantham (GMO)
+3,600 · 2025Q3

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