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Security record · archived quarter

GPOR

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

168.13 +1.9% mkt cap $3.02B quote delayed (FMP) · as of Oct 13 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
19Tracked holders
0Δ holders
7.71MShares held
$1.40BReported value
+1New positions
−1Exits
Rising Conviction score 53/100 2 quarters of rising tracked shares ●●○○○○ How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth 0.0% · share flow +11.5% · net new positions 0.0% — formula

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 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 · Q3 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock ✦ (passive) 1.14M +7.3% $205.95M 0.0% ▲ Add 2 SEC ↗ ×11
2 The Vanguard Group ✦ (passive) 1.08M +6.8% $195.17M 0.0% ▲ Add 2 SEC ↗ ×5
3 Fidelity (FMR) ✦ 1.04M +0.4% $188.38M 0.0% ▲ Add 2 SEC ↗ ×5
4 JPMorgan Chase ✦ 865.54K — $156.64M 0.0% n/c 1 SEC ↗ ×14
5 Wellington Management ✦ 725.30K -7.4% $131.27M 0.0% ▼ Trim 6 SEC ↗ ×4
6 State Street Global Advisors ✦ (passive) 585.88K +21.4% $106.03M 0.0% ▲ Add 4 SEC ↗
7 Adage Capital Partners ✦ 459.24K +14.6% $83.11M 0.1% ▲ Add 5 SEC ↗
8 Millennium Management ✦ 426.03K +1281.6% $77.10M 0.1% ▲ Add 6 SEC ↗
9 Geode Capital Management ✦ (passive) 363.58K +9.3% $65.81M 0.0% ▲ Add 6 SEC ↗ ×2
10 Arrowstreet Capital ✦ 313.88K +93.9% $56.81M 0.0% ▲ Add 6 SEC ↗
11 Bridgewater Associates ✦ 146.97K +83.5% $26.60M 0.1% ▲ Add 6 SEC ↗
12 Goldman Sachs Group ✦ 146.29K — $26.48M 0.0% n/c 1 SEC ↗ ×2
13 T. Rowe Price ✦ 123.61K +0.9% $22.37M 0.0% ▲ Add 6 SEC ↗ ×2
14 Morgan Stanley ✦ 113.71K — $20.58M 0.0% n/c 1 SEC ↗ ×9
15 AQR Capital Management ✦ 109.92K +32.1% $19.89M 0.0% ▲ Add 6 SEC ↗ ×5
16 Two Sigma Investments ✦ 42.04K -63.7% $7.61M 0.0% ▼ Trim 6 SEC ↗
17 Gotham Asset Management ✦ 16.96K New $3.07M 0.0% New 1 SEC ↗
18 Citadel Advisors ✦ 6.87K -47.1% $1.24M 0.0% ▼ Trim 2 SEC ↗
19 D. E. Shaw & Co. ✦ 6.67K -79.6% $1.21M 0.0% ▼ Trim 6 SEC ↗

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

New buyers

Exited

Renaissance Technologies $8.95M was 0.0%

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)

Sep 24 Cutt Timothy J.

Director · 2.50K sh · $397,450

Sep 02 Willrath Matthew

Officer · 325 sh · $59,374

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: Q3 2025 · Methodology · Get this via the API