GPOR · Insider trading · 13F holders · Congress trades
Gulfport Energy Corp (GPOR)
Who is buying and selling GPOR: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 17
- Insider buys, 90 days
- $257K
- Insider sales, 90 days
- $457K
- Congress trades, 12 months
- 3
GPOR at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 3 GPOR insiders filed 1 open-market purchase worth $257K and 2 sales worth $457K on SEC Form 4.
- 17 13F filers hold GPOR among their 50 largest positions, worth $800.9M combined, including Edward Mulé. The biggest bets by portfolio weight are Edward Mulé (45.4%), LSP Investment Advisors, LLC (15.4%) and Palo Duro Investment Partners, LP (11.7%). In their latest 13Fs, 1 manager opened a new position and 4 added to one.
- Members of Congress have disclosed 3 GPOR trades since 2025, 2 purchases and 1 sale in the past year; the latest was Gilbert Ray Cisneros, Jr. (D-CA), selling $1K–15K on Jan 9, 2026.
- GPOR last closed at $165.21 on Oct 29, 2026.
GPOR insider trading
Between Aug 1, 2026 and Oct 29, 2026, 3 GPOR insiders filed 1 open-market purchase worth $257K and 2 sales worth $457K on SEC Form 4.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Sep 25, 2026 | Cutt Timothy J. | Director | Sale | 2,500 | $158.98 | $397K | SEC |
| Sep 3, 2026 | Willrath Matthew | VP & CAO | Sale | 325 | $182.69 | $59K | SEC |
| Aug 10, 2026 | Dell'Osso Domenic J Jr | President & CEO, Director | Buy | 1,600 | $160.61 | $257K | SEC |
Who owns GPOR? Hedge funds and superinvestors
17 13F filers hold GPOR among their 50 largest positions, worth $800.9M combined, including Edward Mulé. The biggest bets by portfolio weight are Edward Mulé (45.4%), LSP Investment Advisors, LLC (15.4%) and Palo Duro Investment Partners, LP (11.7%). In their latest 13Fs, 1 manager opened a new position and 4 added to one.
Superinvestors holding GPOR: Edward Mulé 45.4%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Edward MuléHedge fund | 45.4% | $442.5M | 2,607,269 | +0.0% shares | Q2 2026 |
| HITE Hedge Asset Management LLCHedge fund | 3.8% | $68.5M | 403,403 | +172.2% shares | Q2 2026 |
| Palo Duro Investment Partners, LPHedge fund | 11.7% | $60.7M | 357,893 | +1.6% shares | Q2 2026 |
| Whitebox Advisors LLCHedge fund | 2.3% | $46.6M | 274,627 | +25.0% shares | Q2 2026 |
| Hancock Prospecting Pty LtdInvestment manager | 0.7% | $38.6M | 227,500 | New | Q2 2026 |
| Global Alpha Capital Management Ltd.Institutional asset manager | 1.9% | $32.2M | 189,819 | -0.4% shares | Q2 2026 |
| Gemsstock Ltd.Hedge fund | 7.7% | $23.7M | 139,899 | -72.5% shares | Q2 2026 |
| Penn Capital Management Company, LLCInstitutional asset manager | 1.1% | $17.6M | 103,636 | -7.0% shares | Q2 2026 |
| Corigliano Investment Advisers, LLCWealth manager | 6.7% | $17.2M | 81,100 | +2357.6% shares | Q1 2026 |
| LSP Investment Advisors, LLCWealth manager | 15.4% | $16.8M | 98,800 | +0.0% shares | Q2 2026 |
| MacKay Shields LLCAsset manager | 2.0% | $14.7M | 97,512 | +0.0% shares | Q3 2026 |
| Steamboat Capital Partners, LLCHedge fund | 1.6% | $7.6M | 44,694 | -1.2% shares | Q2 2026 |
| DC Investments Management, LLCAsset manager | 1.5% | $4.5M | 26,499 | +49.7% shares | Q2 2026 |
| Azarias Capital Management, L.P.Institutional asset manager | 2.2% | $3.6M | 24,132 | -48.0% shares | Q3 2026 |
| Beaconlight Capital, LLCHedge fund | 1.1% | $2.6M | 15,325 | -54.9% shares | Q2 2026 |
| RR Advisors, LLCHedge fund | 0.7% | $2.4M | 14,000 | +0.0% shares | Q2 2026 |
| Dupont Capital Management CorpInstitutional asset manager | 0.0% | $1.2M | 8 | +0.0% shares | Q3 2026 |
Each manager counts with its latest 13F (Q3 2026: 3, Q2 2026: 13, Q1 2026: 1). Screen GPOR in the grand portfolio →
GPOR stock trades by members of Congress
Members of Congress have disclosed 3 GPOR trades since 2025, 2 purchases and 1 sale in the past year; the latest was Gilbert Ray Cisneros, Jr. (D-CA), selling $1K–15K on Jan 9, 2026.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Feb 13, 2026 | Gilbert Ray Cisneros, Jr.D-CA · House | Sale | $1K–15K | Jan 9, 2026 | -3.0% |
| Aug 14, 2025 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | Jul 18, 2025 | -9.7% |
| Aug 14, 2025 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | Jul 7, 2025 | -7.8% |
GPOR questions and answers
Are insiders buying GPOR stock?
Between Aug 1, 2026 and Oct 29, 2026, 3 GPOR insiders filed 1 open-market purchase worth $257K and 2 sales worth $457K on SEC Form 4.
Which hedge funds own GPOR?
17 13F filers hold GPOR among their 50 largest positions, worth $800.9M combined, including Edward Mulé. The biggest bets by portfolio weight are Edward Mulé (45.4%), LSP Investment Advisors, LLC (15.4%) and Palo Duro Investment Partners, LP (11.7%). In their latest 13Fs, 1 manager opened a new position and 4 added to one.
Has Congress traded GPOR?
Members of Congress have disclosed 3 GPOR trades since 2025, 2 purchases and 1 sale in the past year; the latest was Gilbert Ray Cisneros, Jr. (D-CA), selling $1K–15K on Jan 9, 2026.
Who is the largest holder of GPOR?
Among 13F filers, Edward Mulé reports the largest GPOR position, $442.5M (2,607,269 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Edward Mulé's: 45.4% of its portfolio.
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