Magnolia Oil & Gas Corp
MGY- Exchange
- NYSE
- Industry
- Crude Petroleum & Natural Gas
- SEC CIK
- 0001698990
In the last 90 days, Magnolia Oil & Gas Corp insiders filed 3 open-market purchases and 0 sales; 411 institutions reported holding it in 13F filings for Q2 2026, worth $5.28B in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Magnolia Oil & Gas Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 379
- +13 vs. Q3 2025
- Shares held
- 199.5M
- −4.55M (−2.2%) vs. Q3 2025
- Total value
- $4.37B
- −$501.6M (−10.3%) vs. Q3 2025
- New holders
- 61
- 124 more added
- Sold out
- 48
- 152 more reduced
7 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MGY on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 411 | $5.28B |
| Q1 2026 | 406 | $6.39B |
| Q4 2025 | 379 | $4.37B |
| Q3 2025 | 373 | $4.92B |
| Q2 2025 | 385 | $4.85B |
| Q1 2025 | 407 | $5.51B |
| Q4 2024 | 383 | $5.15B |
| Q3 2024 | 367 | $5.44B |
| Q2 2024 | 347 | $5.60B |
| Q1 2024 | 323 | $5.78B |
| Q4 2023 | 297 | $4.19B |
| Q3 2023 | 288 | $4.41B |
| Q2 2023 | 281 | $4.14B |
| Q1 2023 | 276 | $4.37B |
| Q4 2022 | 295 | $4.56B |
| Q3 2022 | 280 | $3.83B |
| Q2 2022 | 283 | $4.14B |
| Q1 2022 | 251 | $4.47B |
| Q4 2021 | 234 | $3.55B |
| Q3 2021 | 240 | $3.23B |
| Q2 2021 | 206 | $2.83B |
| Q1 2021 | 190 | $2.07B |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Magnolia Oil & Gas Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Illinois Municipal Retirement Fund | 270,892 | $5.93M | 0.07% | +34,724+14.7% | Added |
| D. E. Shaw & Co., Inc. | 276,774 | $6.06M | 0.00% | +214,897+347.3% | Added |
| ExodusPoint Capital Management, LP | 283,431 | $6.20M | 0.07% | +244,831+634.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 291,576 | $6.39M | 0.01% | +33,022+12.8% | Added |
| Point72 Asset Management, L.P. | 302,124 | $6.61M | 0.01% | +302,124 | New |
| Wells Fargo & Company | 305,867 | $6.70M | 0.00% | −8,025−2.6% | Reduced |
| HRT Financial LP | 315,510 | $6.91M | 0.02% | +205,730+187.4% | Added |
| AQR Capital Management LLC | 318,574 | $6.97M | 0.00% | +40,086+14.4% | Added |
| Ameriprise Financial Inc | 322,814 | $7.07M | 0.00% | −42,357−11.6% | Reduced |
| Osterweis Capital Management Inc | 325,647 | $7.13M | 0.30% | −124,320−27.6% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 331,057 | $7.25M | 0.02% | −187,297−36.1% | Reduced |
| Swiss National Bank | 347,000 | $7.60M | 0.00% | +2,600+0.8% | Added |
| Citadel Advisors LLC | 349,964 | $7.66M | 0.01% | +225,969+182.2% | Added |
| Jane Street Group, LLC | 361,863 | $7.92M | 0.01% | −227,162−38.6% | Reduced |
| Barclays PLC | 362,229 | $7.93M | 0.00% | −193,721−34.8% | Reduced |
| Millennium Management LLC | 371,528 | $8.13M | 0.01% | +344,069+1,253.0% | Added |
| Oberweis Asset Management Inc | 376,300 | $8.24M | 0.30% | 00.0% | Unchanged |
| Nordea Investment Management AB | 377,982 | $8.24M | 0.01% | −68,680−15.4% | Reduced |
| Envestnet Asset Management Inc | 380,579 | $8.33M | 0.00% | −33,977−8.2% | Reduced |
| California Public Employees Retirement System | 381,297 | $8.35M | 0.00% | +15,285+4.2% | Added |
| Trexquant Investment LP | 392,595 | $8.59M | 0.08% | +256,297+188.0% | Added |
| Man Group plc | 398,944 | $8.73M | 0.02% | −74,388−15.7% | Reduced |
| Diamond Hill Capital Management Inc | 414,817 | $9.08M | 0.05% | +281,234+210.5% | Added |
| Two Sigma Investments, LP | 426,009 | $9.33M | 0.01% | −278,861−39.6% | Reduced |
| Foster Victor Wealth Advisors, LLC | 417,192 | $9.43M | 0.55% | +35,223+9.2% | Added |
| Legal & General Group Plc | 436,753 | $9.56M | 0.00% | −26,434−5.7% | Reduced |
| State of Wisconsin Investment Board | 437,081 | $9.57M | 0.02% | +42,742+10.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 468,868 | $10.3M | 0.03% | −245,357−34.4% | Reduced |
| Standard Life Aberdeen plc | 490,263 | $10.7M | 0.02% | −24,946−4.8% | Reduced |
| Rhumbline Advisers | 571,336 | $12.5M | 0.01% | −7,029−1.2% | Reduced |
| Pacer Advisors, Inc. | 589,486 | $12.9M | 0.03% | −37,259−5.9% | Reduced |
| Jefferies Financial Group Inc. | 614,682 | $13.5M | 0.11% | +507,524+473.6% | Added |
| Corigliano Investment Advisers, LLC | 617,000 | $13.5M | 4.80% | +172,000+38.7% | Added |
| Heartland Advisors Inc | 651,249 | $14.3M | 0.77% | +74,959+13.0% | Added |
| Gilder Gagnon Howe & Co LLC | 653,948 | $14.3M | 0.15% | −37,377−5.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 703,189 | $15.4M | 0.01% | −698,090−49.8% | Reduced |
| Invesco Ltd. | 715,497 | $15.7M | 0.00% | −42,512−5.6% | Reduced |
| Brandywine Global Investment Management, LLC | 731,423 | $16.0M | 0.11% | −26,790−3.5% | Reduced |
| Public Sector Pension Investment Board | 758,600 | $16.6M | 0.06% | −45,892−5.7% | Reduced |
| Balyasny Asset Management LLC | 807,988 | $17.7M | 0.03% | −969,161−54.5% | Reduced |
| UBS Group AG | 874,758 | $19.1M | 0.00% | −868,663−49.8% | Reduced |
| First Trust Advisors LP | 875,178 | $19.2M | 0.01% | −665,373−43.2% | Reduced |
| Voloridge Investment Management, LLC | 969,487 | $21.2M | 0.07% | +521,459+116.4% | Added |
| SIR Capital Management, L.P. | 1,010,794 | $22.1M | 2.45% | −729,367−41.9% | Reduced |
| JPMorgan Chase & Co | 1,114,379 | $24.4M | 0.00% | +255,407+29.7% | Added |
| Bessemer Group Inc | 1,116,993 | $24.5M | 0.04% | +204,467+22.4% | Added |
| Renaissance Technologies LLC | 1,184,302 | $25.9M | 0.04% | +67,991+6.1% | Added |
| HITE Hedge Asset Management LLC | 1,454,388 | $31.8M | 2.03% | +1,263,407+661.5% | Added |
| Principal Financial Group Inc | 1,582,766 | $34.6M | 0.02% | −559,389−26.1% | Reduced |
| Westwood Holdings Group Inc. | 1,761,843 | $38.6M | 0.31% | +1,761,843 | New |
| Nuveen, LLC | 1,819,472 | $39.8M | 0.01% | −107,233−5.6% | Reduced |
| Bank of New York Mellon Corp | 1,964,998 | $43.0M | 0.01% | +191,868+10.8% | Added |
| Manufacturers Life Insurance Company, The | 1,989,909 | $43.6M | 0.04% | −67,445−3.3% | Reduced |
| Northern Trust Corp | 2,071,111 | $45.3M | 0.01% | −158,082−7.1% | Reduced |
| Stephens Investment Management Group LLC | 2,154,579 | $47.2M | 0.61% | −2,587−0.1% | Reduced |
| Goldman Sachs Group Inc | 2,225,450 | $48.7M | 0.01% | −913,932−29.1% | Reduced |
| Loomis Sayles & Co L P | 2,317,768 | $50.7M | 0.06% | −187,368−7.5% | Reduced |
| Charles Schwab Investment Management Inc | 2,492,892 | $54.6M | 0.01% | +59,065+2.4% | Added |
| Morgan Stanley | 2,796,949 | $61.2M | 0.00% | +18,316+0.7% | Added |
| Systematic Financial Management LP | 2,938,904 | $64.3M | 1.52% | −33,447−1.1% | Reduced |
| Allspring Global Investments Holdings, LLC | 2,930,693 | $65.9M | 0.11% | −147,673−4.8% | Reduced |
| GW&K Investment Management, LLC | 3,169,496 | $69.4M | 0.60% | +404,402+14.6% | Added |
| Bank of America Corp | 3,218,349 | $70.4M | 0.01% | −21,652−0.7% | Reduced |
| Silvercrest Asset Management Group LLC | 3,333,105 | $73.0M | 0.50% | −257,328−7.2% | Reduced |
| Victory Capital Management Inc | 3,591,921 | $78.6M | 0.04% | −366,581−9.3% | Reduced |
| T. Rowe Price Investment Management, Inc. | 3,989,190 | $87.3M | 0.06% | −1,587,272−28.5% | Reduced |
| Boston Trust Walden Corp | 4,168,085 | $91.2M | 0.69% | +225,349+5.7% | Added |
| Geode Capital Management, LLC | 4,435,901 | $97.1M | 0.01% | −85,084−1.9% | Reduced |
| Alliancebernstein L.P. | 4,747,597 | $103.9M | 0.03% | +88,930+1.9% | Added |
| Nomura Asset Management International Inc. | 4,959,218 | $108.6M | 0.16% | +4,959,218 | New |
| Wellington Management Group LLP | 5,206,612 | $114.0M | 0.02% | −18,556−0.4% | Reduced |
| Epoch Investment Partners, Inc. | 5,330,064 | $116.7M | 0.66% | +1,191,438+28.8% | Added |
| TD Asset Management Inc | 5,671,819 | $124.2M | 0.10% | +1,193,458+26.6% | Added |
| Janus Henderson Group PLC | 6,109,462 | $133.7M | 0.06% | −245,757−3.9% | Reduced |
| Dimensional Fund Advisors LP | 6,634,362 | $145.2M | 0.03% | +264,649+4.2% | Added |
| State Street Corp | 8,800,807 | $192.6M | 0.01% | +125,707+1.4% | Added |
| American Century Companies Inc | 11,029,847 | $241.4M | 0.12% | −857,808−7.2% | Reduced |
| Vanguard Group Inc | 19,644,960 | $430.0M | 0.01% | −230,896−1.2% | Reduced |
| BlackRock, Inc. | 27,671,647 | $605.7M | 0.01% | +228,299+0.8% | Added |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −5,381,675−100.0% | Sold out |
| Encompass Capital Advisors LLC | 0 | $0 | 0.00% | −2,182,088−100.0% | Sold out |
| Aventail Capital Group, LP | 0 | $0 | 0.00% | −400,928−100.0% | Sold out |
| Nicholas Investment Partners, LP | 0 | $0 | 0.00% | −165,899−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −163,392−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −115,254−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −69,161−100.0% | Sold out |
| Mitsubishi UFJ Asset Management (UK) Ltd. | 0 | $0 | 0.00% | −68,000−100.0% | Sold out |
| CBOE Vest Financial, LLC | 0 | $0 | 0.00% | −47,930−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −34,637−100.0% | Sold out |
| Doheny Asset Management | 0 | $0 | 0.00% | −34,250−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −32,727−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −28,655−100.0% | Sold out |
| Semanteon Capital Management, LP | 0 | $0 | 0.00% | −23,771−100.0% | Sold out |
| Henshaw Capital LLC | 0 | $0 | 0.00% | −21,905−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −20,378−100.0% | Sold out |
| Cynosure Management, LLC | 0 | $0 | 0.00% | −19,242−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −14,342−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −12,053−100.0% | Sold out |
| Legato Capital Management LLC | 0 | $0 | 0.00% | −11,497−100.0% | Sold out |
| Quantedge Capital Pte Ltd | 0 | $0 | 0.00% | −10,600−100.0% | Sold out |