MGY
Magnolia Oil & Gas Corporation · Energy · Oil & Gas Exploration & Production
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -2.1% · net new positions 0.0% · formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | 0 | 60.21K | $1.47M | n/a | n/a |
| Q2 2026 | 116 | 0 | 141.39M | $3.64B | +5 | −5 |
| Q1 2026 | 119 | +2 | 147.05M | $4.60B | +7 | −5 |
| Q4 2025 | 116 | +1 | 153.25M | $3.36B | +1 | n/a |
| Q3 2025 | 18 | 0 | 77.48M | $1.85B | +1 | −1 |
| Q2 2025 | 15 | -1 | 71.49M | $1.61B | +1 | −2 |
| Q1 2025 | 13 | +1 | 23.65M | $597.34M | +1 | n/a |
| Q4 2024 | 12 | -1 | 21.50M | $502.68M | n/a | −1 |
| Q3 2024 | 12 | 0 | 12.74M | $311.06M | +1 | −1 |
| Q2 2024 | 12 | n/a | 14.44M | $365.87M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 27.44M | -0.5% | $655.07M | 0.0% | ▼ Trim | 2 | SEC ↗ ×13 |
| 2 | The Vanguard Group ✦ (passive) | 19.88M | -1.9% | $474.44M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 3 | State Street Global Advisors ✦ (passive) | 8.68M | -11.5% | $207.07M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 4 | Wellington Management ✦ | 5.23M | +2.2% | $124.72M | 0.0% | ▲ Add | 6 | SEC ↗ ×4 |
| 5 | Geode Capital Management ✦ (passive) | 4.52M | -0.2% | $107.94M | 0.0% | ▼ Trim | 6 | SEC ↗ ×2 |
| 6 | Goldman Sachs Group ✦ | 3.14M | n/a | $74.94M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 7 | Morgan Stanley ✦ | 2.78M | n/a | $66.33M | 0.0% | n/c | 1 | SEC ↗ ×11 |
| 8 | JPMorgan Chase ✦ | 1.72M | n/a | $41.01M | 0.0% | n/c | 1 | SEC ↗ ×12 |
| 9 | Arrowstreet Capital ✦ | 1.40M | +192.3% | $33.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | Renaissance Technologies ✦ | 1.12M | +1.8% | $26.65M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 11 | Two Sigma Investments ✦ | 704.87K | +23.1% | $16.83M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 12 | AQR Capital Management ✦ | 278.49K | +30.2% | $6.65M | 0.0% | ▲ Add | 6 | SEC ↗ ×4 |
| 13 | T. Rowe Price ✦ | 200.94K | -54.6% | $4.80M | 0.0% | ▼ Trim | 6 | SEC ↗ ×2 |
| 14 | Gotham Asset Management ✦ | 161.27K | +33.0% | $3.85M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 15 | Citadel Advisors ✦ | 124.00K | New | $2.96M | 0.0% | New | 1 | SEC ↗ ×2 |
| 16 | D. E. Shaw & Co. ✦ | 61.88K | -43.6% | $1.48M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 17 | Millennium Management ✦ | 27.46K | -97.5% | $655,446 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 18 | Fidelity (FMR) ✦ | 23.35K | +41.3% | $557,390 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Citadel Advisors | $2.96M | 0.0% |
Exited
| Marshall Wace | $1.43M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 399 holders, 202.48M shares, $5.98B 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)
Director · 54 sh @ 26.78 · $1,446
Director · 5.00K sh @ 24.62 · $123,125
Director · 8.00K sh @ 25.00 · $200,000
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