GPOR
Gulfport Energy Corp · Energy · Oil & Gas Exploration & Production
Momentum inputs (comparable managers):
holder breadth +15.4% ·
share flow -4.5% ·
net new positions +13.3%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| 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 | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Wellington Management ✦ | 1.19M | -15.7% | $218.81M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 2 | Wellington Management ✦ | 1.19M | -15.7% | $218.81M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 3 | Wellington Management ✦ | 1.19M | -15.7% | $218.81M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 4 | Wellington Management ✦ | 1.19M | -15.7% | $218.81M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 5 | Wellington Management ✦ | 1.19M | -15.7% | $218.81M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 6 | State Street Global Advisors ✦ (passive) | 470.68K | — | $86.70M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | Adage Capital Partners ✦ | 320.40K | +20.9% | $59.02M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 8 | Geode Capital Management ✦ (passive) | 293.04K | -0.3% | $53.99M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | Geode Capital Management ✦ (passive) | 293.04K | -0.3% | $53.99M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 10 | Millennium Management ✦ | 274.27K | +21.8% | $50.52M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | D. E. Shaw & Co. ✦ | 158.91K | +41.5% | $29.27M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | D. E. Shaw & Co. ✦ | 158.91K | +41.5% | $29.27M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | T. Rowe Price ✦ | 131.48K | +0.4% | $24.22M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | T. Rowe Price ✦ | 131.48K | +0.4% | $24.22M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | Two Sigma Investments ✦ | 97.70K | +6.8% | $18.00M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | Bridgewater Associates ✦ | 86.39K | -26.1% | $15.91M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 17 | Point72 Asset Management ✦ | 56.93K | -71.1% | $10.49M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 18 | Citadel Advisors ✦ | 50.04K | New | $9.22M | 0.0% | New | 1 | SEC ↗ |
| 19 | Citadel Advisors ✦ | 50.04K | New | $9.22M | 0.0% | New | 1 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 48.49K | -19.1% | $8.93M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 48.49K | -19.1% | $8.93M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 22 | AQR Capital Management ✦ | 48.49K | -19.1% | $8.93M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 23 | Arrowstreet Capital ✦ | 35.19K | -14.5% | $6.48M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 24 | Marshall Wace ✦ | 30.16K | New | $5.55M | 0.0% | New | 1 | SEC ↗ |
| 25 | Marshall Wace ✦ | 30.16K | New | $5.55M | 0.0% | New | 1 | SEC ↗ |
| 26 | Renaissance Technologies ✦ | 29.70K | +151.7% | $5.47M | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Citadel Advisors | $9.22M | 0.0% |
| Citadel Advisors | $9.22M | 0.0% |
| Marshall Wace | $5.55M | 0.0% |
| Marshall Wace | $5.55M | 0.0% |
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.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
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