MGY — MAGNOLIA OIL & GAS CORP
As of Q2 2026, 36 SEC-registered investment managers reported holding MGY (MAGNOLIA OIL & GAS CORP) in their latest 13F filings, with a combined reported value of $1.84B across 73.56M shares. That is -3.8% by share count (-2.90M shares) versus the previous quarter, while reported value moved -23.6%. Ownership is concentrated: the five largest holders account for 69.5% of reported value and the top ten for 84.4%.
Compared with the prior quarter, 5 opened new positions, 16 added to existing stakes, 13 trimmed, 3 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
MGY is classified in the Energy sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| BlackRock Inc history | Q2 2026 | 31.97M | $817.85M | 0.01% | Add |
| Vanguard Group history | Q4 2025 | 19.64M | $430.03M | 0.01% | Reduce |
| Janus Henderson Group history | Q1 2026 | 6.28M | $198.25M | 0.10% | Add |
| Arrowstreet Capital history | Q2 2026 | 5.46M | $139.76M | 0.06% | Reduce |
| Geode Capital Management history | Q2 2026 | 4.80M | $122.89M | 0.01% | Add |
| Wellington Management Group history | Q4 2025 | 5.21M | $113.97M | 0.02% | Hold |
| Bank of America Corp history | Q2 2026 | 4.25M | $108.80M | 0.01% | Add |
| Morgan Stanley history | Q2 2026 | 3.43M | $87.73M | 0.01% | Add |
| Charles Schwab Investment Management history | Q2 2026 | 2.62M | $66.97M | 0.01% | Hold |
| Goldman Sachs Group history | Q2 2026 | 2.41M | $61.55M | 0.01% | Reduce |
| BNY Mellon history | Q2 2026 | 1.94M | $49.74M | 0.01% | Hold |
| Northern Trust Corp history | Q2 2026 | 1.89M | $48.47M | 0.01% | Reduce |
| Manulife Financial history | Q2 2026 | 1.86M | $47.51M | 0.04% | Add |
| UBS Group AG history | Q2 2026 | 1.50M | $38.47M | 0.01% | Add |
| Two Sigma Investments history | Q2 2026 | 1.42M | $36.24M | 0.03% | Reduce |
| Renaissance Technologies history | Q2 2026 | 1.30M | $33.17M | 0.05% | Reduce |
| Principal Global Investors history | Q2 2026 | 1.12M | $28.67M | 0.01% | Reduce |
| JPMorgan Chase & Co history | Q2 2026 | 926.68K | $24.06M | 0.00% | New |
| PSP Investments history | Q2 2026 | 793.48K | $20.30M | 0.05% | Reduce |
| Invesco Ltd history | Q2 2026 | 742.62K | $19.00M | 0.00% | Add |
New Positions (Q2 2026)
- JPMorgan Chase & Co 926.68K sh · $24.06M
- Marshall Wace 328.28K sh · $8.40M
- Lazard Asset Management 163.26K sh · $4.18M
- Bridgewater Associates 42.88K sh · $1.10M
- Amundi US 15.44K sh · $395.06K
Fully Exited (vs previous quarter)
- Janus Henderson Group sold 6.28M sh · $198.25M
- CPP Investments sold 56.20K sh · $1.77M
- Royce & Associates sold 24.09K sh · $760.52K
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q3 2021 | Q4 2021 | Q1 2022 | Q2 2022 | Q3 2022 | Q4 2022 | Q1 2023 | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BlackRock Inc | — | — | — | — | — | — | — | — | — | — | — | — | 29.15M | 28.50M | 27.87M | 27.57M | 27.44M | 27.67M | 29.49M | 31.97M |
| Arrowstreet Capital | 30.90K | — | — | — | — | — | — | — | — | — | — | — | — | — | 450.90K | 479.31K | 1.40M | 703.19K | 6.26M | 5.46M |
| Geode Capital Management | 2.42M | 2.62M | 2.45M | 2.74M | 2.88M | 3.08M | 3.19M | 3.40M | 3.95M | 4.11M | 3.93M | 3.99M | 4.11M | 4.14M | 4.29M | 4.53M | 4.52M | 4.44M | 4.54M | 4.80M |
| Bank of America Corp | 1.13M | 1.08M | 894.54K | 991.12K | 914.17K | 1.14M | 1.01M | 1.08M | 972.03K | 1.41M | 2.37M | 2.82M | 3.32M | 2.54M | 4.34M | 4.25M | 3.24M | 3.22M | 3.88M | 4.25M |
| Morgan Stanley | 237.37K | 206.40K | 230.56K | 1.46M | 1.46M | 1.78M | 1.88M | 1.95M | 2.22M | 2.70M | 2.74M | 2.41M | 2.75M | 2.83M | 2.98M | 3.21M | 2.78M | 2.80M | 3.03M | 3.43M |
| Charles Schwab Investment Management | 1.39M | 1.36M | 1.06M | 1.11M | 1.29M | 1.41M | 1.44M | 1.54M | 1.74M | 1.78M | 1.85M | 1.92M | 1.99M | 2.08M | 2.32M | 2.32M | 2.43M | 2.49M | 2.61M | 2.62M |
| Goldman Sachs Group | 3.97M | 3.28M | 2.42M | 1.91M | 2.11M | 1.58M | 748.24K | 1.57M | 687.18K | 790.36K | 1.76M | 1.85M | 1.91M | 1.66M | 1.56M | 3.88M | 3.14M | 2.23M | 3.13M | 2.41M |
| BNY Mellon | 535.82K | 1.08M | 1.12M | 1.19M | 1.24M | 1.27M | 1.26M | 1.25M | 1.30M | 1.33M | 1.94M | 1.98M | 1.82M | 1.77M | 1.72M | 1.74M | 1.77M | 1.96M | 1.94M | 1.94M |
| Northern Trust Corp | 1.50M | 1.51M | 1.42M | 1.57M | 1.58M | 1.66M | 1.69M | 1.81M | 1.86M | 1.82M | 1.90M | 1.83M | 1.80M | 1.94M | 1.86M | 1.83M | 2.23M | 2.07M | 2.13M | 1.89M |
| Manulife Financial | 1.51M | 1.51M | 1.19M | 983.63K | 1.22M | 1.30M | 1.39M | 1.85M | 1.88M | 1.63M | 1.64M | 1.65M | 1.65M | 1.78M | 2.03M | 2.36M | 2.06M | 1.99M | 1.53M | 1.86M |
| UBS Group AG | 1.23K | 3.81K | 4.65K | 4.05K | 3.23K | 3.22K | 3.60K | 4.17K | 2.76K | 8.85K | 767.31K | 1.15M | 481.48K | 681.61K | 1.42M | 1.50M | 1.74M | 874.76K | 1.17M | 1.50M |
| Two Sigma Investments | 1.88M | 1.70M | 1.16M | 48.00K | 140.47K | 368.12K | 976.06K | 186.45K | 234.13K | 682.90K | 1.27M | 1.42M | 1.08M | 428.49K | 1.00M | 572.40K | 704.87K | 426.01K | 1.69M | 1.42M |
| Renaissance Technologies | — | — | 930.90K | 313.10K | 461.30K | 691.00K | 669.60K | 514.30K | 190.30K | 206.00K | 422.90K | 500.70K | 53.58K | 541.40K | 663.30K | 1.10M | 1.12M | 1.18M | 1.70M | 1.30M |
| Principal Global Investors | 29.20K | 24.52K | 26.19K | 119.58K | 58.25K | 48.74K | 41.63K | 41.62K | 51.86K | 64.88K | 1.88M | 1.83M | 2.02M | 2.31M | 2.43M | 2.24M | 2.14M | 1.58M | 1.54M | 1.12M |
| JPMorgan Chase & Co | 1.17M | 1.29M | 1.16M | 648.35K | 736.75K | 598.07K | 361.50K | 432.39K | 842.05K | 894.48K | 818.98K | 747.68K | 717.49K | 863.91K | 799.80K | 637.05K | 858.97K | 1.11M | — | 926.68K |
| PSP Investments | — | — | — | — | — | — | — | — | — | — | 379.65K | 398.05K | 399.25K | 475.96K | 690.88K | 725.29K | 804.49K | 758.60K | 801.76K | 793.48K |
| Invesco Ltd | 592.90K | 735.73K | 798.13K | 710.00K | 595.73K | 292.75K | 376.26K | 508.65K | 495.26K | 404.91K | 1.26M | 1.29M | 1.05M | 960.34K | 1.01M | 976.14K | 758.01K | 715.50K | 704.72K | 742.62K |
| AQR Capital Management | 89.17K | 94.52K | 89.89K | 102.31K | 79.23K | 58.91K | 50.77K | — | 40.76K | 14.58K | 16.56K | 20.83K | 23.87K | 31.71K | 56.35K | 213.86K | 278.49K | 318.57K | 497.88K | 594.65K |
| Legal & General Investment Management America | 115.76K | 117.17K | 123.92K | 148.78K | 149.19K | 148.46K | 163.96K | 171.24K | 182.28K | 179.65K | 489.02K | 481.48K | 485.35K | 495.54K | 480.25K | 483.49K | 463.19K | 436.75K | 385.96K | 389.92K |
| Point72 Asset Management | 247.80K | — | 189.40K | — | — | — | 258.25K | 35.10K | — | — | — | — | — | — | — | — | — | 302.12K | 692.59K | 385.56K |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
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