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Security record · archived quarter

GPOR

Gulfport Energy Corp · Energy · Oil & Gas Exploration & Production

172.48 -1.7% mkt cap $3.10B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
95Tracked holders
+2Δ holders
12.16MShares held
$2.53BReported value
+2New positions
−0Exits
Stable Conviction score 46/100 3 quarters of rising tracked shares ●●●○○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +2.2% · share flow -6.6% · net new positions +2.1%formula
Ownership fragmentation — more holders, smaller aggregate stake

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 97 -3 13.01M $2.21B +4 −7
Q1 2026 103 +7 12.01M $2.54B +10 −3
Q4 2025 95 +2 12.16M $2.53B +2
Q3 2025 19 0 7.71M $1.40B +1 −1
Q2 2025 16 0 5.79M $1.16B +1 −1
Q1 2025 13 -2 3.10M $571.04M −2
Q4 2024 15 +2 3.27M $602.57M +2
Q3 2024 12 -1 2.95M $447.20M +1 −2
Q2 2024 13 2.71M $409.33M
Holder count
Who holds it · Q4 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock (passive) 1.16M +1.7% $240.72M 0.0% ▲ Add 3 SEC ↗
2 BlackRock (passive) 1.16M +1.7% $240.72M 0.0% ▲ Add 3 SEC ↗
3 BlackRock (passive) 1.16M +1.7% $240.72M 0.0% ▲ Add 3 SEC ↗
4 BlackRock (passive) 1.16M +1.7% $240.72M 0.0% ▲ Add 3 SEC ↗
5 BlackRock (passive) 1.16M +1.7% $240.72M 0.0% ▲ Add 3 SEC ↗
6 BlackRock (passive) 1.16M +1.7% $240.72M 0.0% ▲ Add 3 SEC ↗
7 BlackRock (passive) 1.16M +1.7% $240.72M 0.0% ▲ Add 3 SEC ↗
8 BlackRock (passive) 1.16M +1.7% $240.72M 0.0% ▲ Add 3 SEC ↗
9 BlackRock (passive) 1.16M +1.7% $240.72M 0.0% ▲ Add 3 SEC ↗
10 BlackRock (passive) 1.16M +1.7% $240.72M 0.0% ▲ Add 3 SEC ↗
11 BlackRock (passive) 1.16M +1.7% $240.72M 0.0% ▲ Add 3 SEC ↗
12 BlackRock (passive) 1.16M +1.7% $240.72M 0.0% ▲ Add 3 SEC ↗
13 Fidelity (FMR) 1.07M +3.0% $223.00M 0.0% ▲ Add 3 SEC ↗
14 Fidelity (FMR) 1.07M +3.0% $223.00M 0.0% ▲ Add 3 SEC ↗
15 Fidelity (FMR) 1.07M +3.0% $223.00M 0.0% ▲ Add 3 SEC ↗
16 Fidelity (FMR) 1.07M +3.0% $223.00M 0.0% ▲ Add 3 SEC ↗
17 Fidelity (FMR) 1.07M +3.0% $223.00M 0.0% ▲ Add 3 SEC ↗
18 The Vanguard Group (passive) 1.05M -2.9% $217.79M 0.0% ▼ Trim 3 SEC ↗
19 The Vanguard Group (passive) 1.05M -2.9% $217.79M 0.0% ▼ Trim 3 SEC ↗
20 The Vanguard Group (passive) 1.05M -2.9% $217.79M 0.0% ▼ Trim 3 SEC ↗
21 The Vanguard Group (passive) 1.05M -2.9% $217.79M 0.0% ▼ Trim 3 SEC ↗
22 The Vanguard Group (passive) 1.05M -2.9% $217.79M 0.0% ▼ Trim 3 SEC ↗
23 Jennison Associates Llc 671.48K $139.66M 0.1% n/c 1 SEC ↗
24 Jennison Associates Llc 671.48K $139.66M 0.1% n/c 1 SEC ↗
25 Dimensional Fund Advisors Lp 595.61K $123.89M 0.0% n/c 1 SEC ↗
26 Dimensional Fund Advisors Lp 595.61K $123.89M 0.0% n/c 1 SEC ↗
27 Dimensional Fund Advisors Lp 595.61K $123.89M 0.0% n/c 1 SEC ↗
28 Dimensional Fund Advisors Lp 595.61K $123.89M 0.0% n/c 1 SEC ↗
29 Dimensional Fund Advisors Lp 595.61K $123.89M 0.0% n/c 1 SEC ↗
30 State Street Global Advisors (passive) 567.51K -3.1% $118.04M 0.0% ▼ Trim 5 SEC ↗
31 Victory Capital Management Inc 527.39K $109.69M 0.1% n/c 1 SEC ↗
32 Nomura Asset Management… 488.17K $101.53M 0.2% n/c 1 SEC ↗
33 Adage Capital Partners 446.23K -2.8% $92.81M 0.1% ▼ Trim 6 SEC ↗
34 Wellington Management 439.56K -39.4% $91.42M 0.0% ▼ Trim 7 SEC ↗
35 Wellington Management 439.56K -39.4% $91.42M 0.0% ▼ Trim 7 SEC ↗
36 Wellington Management 439.56K -39.4% $91.42M 0.0% ▼ Trim 7 SEC ↗
37 Wellington Management 439.56K -39.4% $91.42M 0.0% ▼ Trim 7 SEC ↗
38 JPMorgan Chase 409.88K -52.6% $85.25M 0.0% ▼ Trim 2 SEC ↗
39 JPMorgan Chase 409.88K -52.6% $85.25M 0.0% ▼ Trim 2 SEC ↗
40 JPMorgan Chase 409.88K -52.6% $85.25M 0.0% ▼ Trim 2 SEC ↗
41 JPMorgan Chase 409.88K -52.6% $85.25M 0.0% ▼ Trim 2 SEC ↗
42 JPMorgan Chase 409.88K -52.6% $85.25M 0.0% ▼ Trim 2 SEC ↗
43 JPMorgan Chase 409.88K -52.6% $85.25M 0.0% ▼ Trim 2 SEC ↗
44 Geode Capital Management (passive) 367.43K +1.1% $76.44M 0.0% ▲ Add 7 SEC ↗
45 Geode Capital Management (passive) 367.43K +1.1% $76.44M 0.0% ▲ Add 7 SEC ↗
46 Arrowstreet Capital 353.25K +12.5% $73.47M 0.0% ▲ Add 7 SEC ↗
47 Principal Financial Group Inc 350.61K $72.92M 0.0% n/c 1 SEC ↗
48 Principal Financial Group Inc 350.61K $72.92M 0.0% n/c 1 SEC ↗
49 Millennium Management 325.91K -23.5% $67.79M 0.1% ▼ Trim 7 SEC ↗
50 Charles Schwab Investment… 228.96K $47.62M 0.0% n/c 1 SEC ↗
51 Janus Henderson Group Plc 214.57K $44.62M 0.0% n/c 1 SEC ↗
52 Janus Henderson Group Plc 214.57K $44.62M 0.0% n/c 1 SEC ↗
53 Alliancebernstein L.P. 208.32K $43.33M 0.0% n/c 1 SEC ↗
54 Pictet Asset Management Holding SA 165.26K $34.37M 0.0% n/c 1 SEC ↗
55 Goldman Sachs Group 154.72K +5.8% $32.18M 0.0% ▲ Add 2 SEC ↗
56 Goldman Sachs Group 154.72K +5.8% $32.18M 0.0% ▲ Add 2 SEC ↗
57 Goldman Sachs Group 154.72K +5.8% $32.18M 0.0% ▲ Add 2 SEC ↗
58 Mackenzie Financial Corp 148.56K $31.59M 0.0% n/c 1 SEC ↗
59 Northern Trust Corp 135.35K $28.15M 0.0% n/c 1 SEC ↗
60 Northern Trust Corp 135.35K $28.15M 0.0% n/c 1 SEC ↗
61 Northern Trust Corp 135.35K $28.15M 0.0% n/c 1 SEC ↗
62 Northern Trust Corp 135.35K $28.15M 0.0% n/c 1 SEC ↗
63 AQR Capital Management 134.46K +22.3% $27.97M 0.0% ▲ Add 7 SEC ↗
64 AQR Capital Management 134.46K +22.3% $27.97M 0.0% ▲ Add 7 SEC ↗
65 AQR Capital Management 134.46K +22.3% $27.97M 0.0% ▲ Add 7 SEC ↗
66 AQR Capital Management 134.46K +22.3% $27.97M 0.0% ▲ Add 7 SEC ↗
67 AQR Capital Management 134.46K +22.3% $27.97M 0.0% ▲ Add 7 SEC ↗
68 AQR Capital Management 134.46K +22.3% $27.97M 0.0% ▲ Add 7 SEC ↗
69 T. Rowe Price 124.96K +1.1% $25.99M 0.0% ▲ Add 7 SEC ↗
70 T. Rowe Price 124.96K +1.1% $25.99M 0.0% ▲ Add 7 SEC ↗
71 American Century Companies Inc 123.93K $25.78M 0.0% n/c 1 SEC ↗
72 Bridgewater Associates 114.17K -22.3% $23.75M 0.1% ▼ Trim 7 SEC ↗
73 Qube Research & Technologies Ltd 109.38K $22.75M 0.0% n/c 1 SEC ↗
74 Raymond James Financial Inc 105.87K $22.36M 0.0% n/c 1 SEC ↗
75 Raymond James Financial Inc 105.87K $22.36M 0.0% n/c 1 SEC ↗
76 Raymond James Financial Inc 105.87K $22.36M 0.0% n/c 1 SEC ↗
77 Raymond James Financial Inc 105.87K $22.36M 0.0% n/c 1 SEC ↗
78 Raymond James Financial Inc 105.87K $22.36M 0.0% n/c 1 SEC ↗
79 Ameriprise Financial Inc 102.30K $21.28M 0.0% n/c 1 SEC ↗
80 Ameriprise Financial Inc 102.30K $21.28M 0.0% n/c 1 SEC ↗
81 Ameriprise Financial Inc 102.30K $21.28M 0.0% n/c 1 SEC ↗
82 Bank Of America Corp /De/ 101.23K $21.06M 0.0% n/c 1 SEC ↗
83 Bank Of America Corp /De/ 101.23K $21.06M 0.0% n/c 1 SEC ↗
84 Bank Of America Corp /De/ 101.23K $21.06M 0.0% n/c 1 SEC ↗
85 Bank Of America Corp /De/ 101.23K $21.06M 0.0% n/c 1 SEC ↗
86 Bank Of America Corp /De/ 101.23K $21.06M 0.0% n/c 1 SEC ↗
87 Grantham, Mayo, Van Otterloo & Co.… 78.44K $16.31M 0.0% n/c 1 SEC ↗
88 UBS Group AG 77.58K $16.14M 0.0% n/c 1 SEC ↗
89 UBS Group AG 77.58K $16.14M 0.0% n/c 1 SEC ↗
90 UBS Group AG 77.58K $16.14M 0.0% n/c 1 SEC ↗
91 UBS Group AG 77.58K $16.14M 0.0% n/c 1 SEC ↗
92 Invesco Ltd. 69.46K $14.45M 0.0% n/c 1 SEC ↗
93 Invesco Ltd. 69.46K $14.45M 0.0% n/c 1 SEC ↗
94 Invesco Ltd. 69.46K $14.45M 0.0% n/c 1 SEC ↗
95 Invesco Ltd. 69.46K $14.45M 0.0% n/c 1 SEC ↗
96 Invesco Ltd. 69.46K $14.45M 0.0% n/c 1 SEC ↗
97 New York State Common Retirement… 65.80K $13.69M 0.0% n/c 1 SEC ↗
98 Susquehanna International Group, Llp 64.29K $13.37M 0.0% n/c 1 SEC ↗
99 Sei Investments Co 59.81K $12.44M 0.0% n/c 1 SEC ↗
100 Sei Investments Co 59.81K $12.44M 0.0% n/c 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

No new tracked buyers this quarter.

Exited

No tracked exits this quarter.

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 305 holders, 19.29M shares, $3.94B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

Aug 07 DELL'OSSO DOMENIC J JR

Officer, Director · President & CEO · 1.60K sh @ 160.61 · $256,976

Open-market sales (S)

No open-market insider sales in our coverage window.

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 07 SC 13G — STATE STREET CORP

View original SEC filing ↗

Jul 08 SC 13G/A — BlackRock, Inc.

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q4 2025 · Methodology · Get this via the API