Mariner
GPOR icon

Mariner’s Gulfport Energy Corp GPOR Stock Holding History

Mariner’s Portfolio GPOR Stock Details GPOR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.01M Buy
5,926
+485
+9% +$87.6K ﹤0.01% 1951
2026
Q1 		$1.15M Sell
5,441
-2,821
-34% -$561K ﹤0.01% 1863
2025
Q4 		$1.73M Buy
8,262
+2,395
+41% +$477K ﹤0.01% 1584
2025
Q3 		$1.06M Sell
5,867
-856
-13% -$149K ﹤0.01% 1856
2025
Q2 		$1.35M Buy
6,723
+2,014
+43% +$376K ﹤0.01% 1592
2025
Q1 		$867K Sell
4,709
-185
-4% -$33.6K ﹤0.01% 1798
2024
Q4 		$901K Buy
4,894
+1,019
+26% +$164K ﹤0.01% 1737
2024
Q3 		$587K Sell
3,875
-15
-0.4% -$2.2K ﹤0.01% 2005
2024
Q2 		$587K Sell
3,890
-80
-2% -$12.5K ﹤0.01% 1933
2024
Q1 		$636K Buy
3,970
+942
+31% +$129K ﹤0.01% 1850
2023
Q4 		$403K Buy
3,028
+1,127
+59% +$145K ﹤0.01% 2101
2023
Q3 		$226K Buy
+1,901
New +$211K ﹤0.01% 2408

Other funds holding GPOR

SPC
Silver Point Capital Greenwich, Connecticut $1.1B AUM 20.71% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Mariner's GPOR Position: Q2 2026 in Review

Mariner increased its Gulfport Energy Corp (GPOR) stake by 8.9% in Q2 2026, buying an estimated $87.6K and bringing the position to 5,926 shares worth $1.01M. The position accounts for ﹤0.01% of the portfolio, ranked #1951.

Mariner first reported a position in GPOR in Q3 2023 and has held it in 12 quarters since. The position peaked at $1.73M in Q4 2025. 290 funds tracked by Wall St. Rank hold GPOR as of Q2 2026.

  • Mariner held 5,926 shares of Gulfport Energy Corp worth $1.01M as of Q2 2026.
  • Mariner bought 485 Gulfport Energy Corp shares in Q2 2026, an estimated $87.6K.
  • Gulfport Energy Corp made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1951 holding.
  • Mariner first reported a position in Gulfport Energy Corp in Q3 2023 and has held it in 12 quarters since.
  • Mariner's Gulfport Energy Corp position peaked at $1.73M in Q4 2025.
  • 290 funds tracked by Wall St. Rank held Gulfport Energy Corp as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.