GULFPORT ENERGY CORP - Common Stock, par value $0.0001 per share (GPOR) Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2021 to Q4 2025

Type / Class
Equity / Common Stock, par value $0.0001 per share
Symbol
GPOR on NYSE
Shares outstanding
19,273,101
Price per share
$207.99
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
21,595,569
Total reported value
$3,908,391,257
% of total 13F portfolios
0.01%
Share change
+2,656,927
Value change
+$463,334,623
Number of holders
290
Price from insider filings
$207.99
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of GULFPORT ENERGY CORP - Common Stock, par value $0.0001 per share (GPOR) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Silver Point Capital L.P. 18% -7.9% $730,961,634 -$61,452,616 3,449,885 -7.8% Silver Point Capital, L.P. 01 Dec 2025
FMR LLC 6% $171,935,983 1,069,786 FMR LLC 31 Dec 2024
VANGUARD GROUP INC 5.3% $152,301,647 947,621 The Vanguard Group 31 Mar 2025
WELLINGTON MANAGEMENT GROUP LLP 4.4% -33% $150,485,296 -$77,824,663 782,962 -34% Wellington Management Group LLP 30 Jun 2025

As of 30 Sep 2025, 290 institutional investors reported holding 21,595,569 shares of GULFPORT ENERGY CORP - Common Stock, par value $0.0001 per share (GPOR). This represents 112% of the company’s total 19,273,101 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of GULFPORT ENERGY CORP - Common Stock, par value $0.0001 per share (GPOR) together control 78% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Silver Point Capital L.P. 19% 3,740,690 +87% 35% $676,990,076
BlackRock, Inc. 5.9% 1,137,965 +7.3% 0% $205,948,907
VANGUARD GROUP INC 5.6% 1,078,379 +6.8% 0% $195,165,031
FMR LLC 5.4% 1,040,890 +0.43% 0.01% $188,380,183
WELLINGTON MANAGEMENT GROUP LLP 3.8% 725,303 -7.4% 0.02% $131,265,338
JENNISON ASSOCIATES LLC 3.1% 587,870 +4% 0.06% $106,392,750
STATE STREET CORP 3% 585,876 +21% 0% $106,031,838
DIMENSIONAL FUND ADVISORS LP 2.9% 560,897 -2% 0.02% $101,509,417
MACQUARIE GROUP LTD 2.6% 505,768 -23% 0.11% $91,534,000
ADAGE CAPITAL PARTNERS GP, L.L.C. 2.4% 459,238 +15% 0.13% $83,112,893
JPMORGAN CHASE & CO 2.2% 432,768 -0.41% 0% $78,322,352
MILLENNIUM MANAGEMENT LLC 2.2% 426,034 +1282% 0.06% $77,103,633
GEODE CAPITAL MANAGEMENT, LLC 1.9% 363,576 +9.3% 0% $65,814,090
VICTORY CAPITAL MANAGEMENT INC 1.8% 351,007 +68% 0.04% $63,525,247
PRINCIPAL FINANCIAL GROUP INC 1.8% 347,862 +84% 0.03% $62,956,066
T. Rowe Price Investment Management, Inc. 1.7% 327,603 +18% 0.04% $59,290,000
WESTWOOD HOLDINGS GROUP INC 1.6% 316,895 +6.4% 0.41% $57,352,000
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1.6% 313,884 +94% 0.04% $56,806,726
Palo Duro Investment Partners, LP 1.5% 280,319 +31% 16% $50,732,133
WHITEBOX ADVISORS LLC 1.4% 274,627 +149% 0.96% $49,701,994
HITE Hedge Asset Management LLC 1.3% 249,625 +47% 2.5% $45,177,133
GOLDENTREE ASSET MANAGEMENT LP 1.3% 246,796 3.7% $44,665,140
Driehaus Capital Management LLC 1.2% 228,174 -52% 0.3% $41,294,931
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 1.1% 212,145 -5.7% 0.1% $38,394,002
JANUS HENDERSON GROUP PLC 1.1% 209,720 +22% 0.02% $37,963,185

Institutional Holders of GULFPORT ENERGY CORP - Common Stock, par value $0.0001 per share (GPOR) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 226,474 $46,978,158 -$5,508,902 $207.99 31
2025 Q3 21,595,569 $3,908,391,257 +$463,334,623 $180.98 290
2025 Q2 18,935,511 $3,809,288,555 +$69,461,316 $201.17 292
2025 Q1 18,607,863 $3,426,725,153 +$4,364,628 $184.14 254
2024 Q4 18,473,308 $3,402,335,350 -$73,155,659 $184.20 236
2024 Q3 18,677,166 $2,828,603,495 -$14,504,656 $151.35 193
2024 Q2 18,637,982 $2,814,345,970 -$11,576,866 $151.00 193
2024 Q1 18,715,331 $2,996,909,389 -$8,698,640 $160.12 206
2023 Q4 4,398 $585,814 +$7,859 $133.20 1
2023 Q3 17,988,380 $2,134,519,349 +$73,694,651 $118.66 173
2023 Q2 19,134,647 $2,010,954,431 -$59,132,672 $105.07 144
2023 Q1 19,696,615 $1,575,729,854 -$29,354,878 $80.00 94
2022 Q4 20,115,817 $1,481,331,372 -$38,946,644 $73.64 101
2022 Q3 20,654,423 $1,823,460,461 -$28,527,837 $88.29 116
2022 Q2 20,995,673 $1,668,911,030 -$1,779,874 $79.51 105
2022 Q1 20,924,532 $1,879,366,907 +$69,680,043 $89.82 107
2021 Q4 20,441,489 $1,472,427,781 +$35,308,167 $72.03 78
2021 Q3 19,924,155 $1,638,226,000 +$60,931,912 $82.21 68
2021 Q2 19,816,826 $1,281,840,000 +$1,281,840,209 $64.70 47