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, Q3 2025
Institutional positions in Magnolia Oil & Gas Corp as of Sep 30, 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
- 373
- −9 vs. Q2 2025
- Shares held
- 206.2M
- −9.61M (−4.5%) vs. Q2 2025
- Total value
- $4.92B
- +$68.7M (+1.4%) vs. Q2 2025
- New holders
- 36
- 132 more added
- Sold out
- 45
- 151 more reduced
3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Magnolia Oil & Gas Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Phocas Financial Corp. | 266,754 | $6.37M | 0.83% | +77,376+40.9% | Added |
| AQR Capital Management LLC | 278,488 | $6.65M | 0.00% | +64,630+30.2% | Added |
| Wells Fargo & Company | 313,892 | $7.49M | 0.00% | +13,454+4.5% | Added |
| Swiss National Bank | 344,400 | $8.22M | 0.00% | +2,200+0.6% | Added |
| Raymond James Financial Inc | 349,285 | $8.34M | 0.00% | +1,986+0.6% | Added |
| Ameriprise Financial Inc | 365,171 | $8.72M | 0.00% | −15,806−4.1% | Reduced |
| California Public Employees Retirement System | 366,012 | $8.74M | 0.01% | +45,350+14.1% | Added |
| Oberweis Asset Management Inc | 376,300 | $8.98M | 0.34% | 00.0% | Unchanged |
| Foster Victor Wealth Advisors, LLC | 381,969 | $9.03M | 0.56% | +18,939+5.2% | Added |
| State of Wisconsin Investment Board | 394,339 | $9.41M | 0.02% | +4,019+1.0% | Added |
| Aventail Capital Group, LP | 400,928 | $9.57M | 0.45% | +820.0% | Added |
| Envestnet Asset Management Inc | 414,556 | $9.90M | 0.00% | −2,661−0.6% | Reduced |
| Corigliano Investment Advisers, LLC | 445,000 | $10.6M | 3.44% | +92,000+26.1% | Added |
| Voloridge Investment Management, LLC | 448,028 | $10.7M | 0.04% | +55,431+14.1% | Added |
| Nordea Investment Management AB | 446,662 | $10.7M | 0.01% | +2,026+0.5% | Added |
| Osterweis Capital Management Inc | 449,967 | $10.7M | 0.48% | −125,045−21.7% | Reduced |
| Legal & General Group Plc | 463,187 | $11.1M | 0.00% | −20,303−4.2% | Reduced |
| Man Group plc | 473,332 | $11.3M | 0.02% | +140,625+42.3% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 518,354 | $12.4M | 0.04% | −8,741−1.7% | Reduced |
| Standard Life Aberdeen plc | 515,209 | $12.5M | 0.02% | −31,058−5.7% | Reduced |
| Two Sigma Advisers, LP | 554,500 | $13.2M | 0.03% | −288,500−34.2% | Reduced |
| Barclays PLC | 555,950 | $13.3M | 0.00% | −670,270−54.7% | Reduced |
| Heartland Advisors Inc | 576,290 | $13.8M | 0.73% | +276,290+92.1% | Added |
| Rhumbline Advisers | 578,365 | $13.8M | 0.01% | −5,870−1.0% | Reduced |
| Jane Street Group, LLC | 589,025 | $14.1M | 0.02% | −124,254−17.4% | Reduced |
| Pacer Advisors, Inc. | 626,745 | $15.0M | 0.04% | +622,912+16,251.3% | Added |
| Woodline Partners LP | 643,184 | $15.4M | 0.07% | −1,667,232−72.2% | Reduced |
| Gilder Gagnon Howe & Co LLC | 691,325 | $16.5M | 0.17% | −52,032−7.0% | Reduced |
| Two Sigma Investments, LP | 704,870 | $16.8M | 0.03% | +132,466+23.1% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 714,225 | $17.0M | 0.05% | −74,743−9.5% | Reduced |
| Invesco Ltd. | 758,009 | $18.1M | 0.00% | −218,129−22.3% | Reduced |
| Brandywine Global Investment Management, LLC | 758,213 | $18.1M | 0.12% | −47,365−5.9% | Reduced |
| Public Sector Pension Investment Board | 804,492 | $19.2M | 0.07% | +79,202+10.9% | Added |
| JPMorgan Chase & Co | 858,972 | $20.5M | 0.00% | +221,920+34.8% | Added |
| Bessemer Group Inc | 912,526 | $21.8M | 0.03% | +38,502+4.4% | Added |
| Renaissance Technologies LLC | 1,116,311 | $26.6M | 0.04% | +20,013+1.8% | Added |
| Arrowstreet Capital, Limited Partnership | 1,401,279 | $33.4M | 0.02% | +921,970+192.4% | Added |
| First Trust Advisors LP | 1,540,551 | $36.8M | 0.03% | −558,789−26.6% | Reduced |
| SIR Capital Management, L.P. | 1,740,161 | $41.5M | 3.73% | +349,461+25.1% | Added |
| UBS Group AG | 1,743,421 | $41.6M | 0.01% | +242,112+16.1% | Added |
| Bank of New York Mellon Corp | 1,773,130 | $42.3M | 0.01% | +35,655+2.1% | Added |
| Balyasny Asset Management LLC | 1,777,149 | $42.4M | 0.09% | −452,301−20.3% | Reduced |
| Nuveen, LLC | 1,926,705 | $46.0M | 0.01% | +97,502+5.3% | Added |
| Manufacturers Life Insurance Company, The | 2,057,354 | $49.1M | 0.04% | −302,884−12.8% | Reduced |
| EnerVest, Ltd. | 2,099,403 | $50.1M | 100.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 2,142,155 | $51.1M | 0.03% | −97,744−4.4% | Reduced |
| Stephens Investment Management Group LLC | 2,157,166 | $51.5M | 0.67% | −138,581−6.0% | Reduced |
| Encompass Capital Advisors LLC | 2,182,088 | $52.1M | 2.34% | +852,477+64.1% | Added |
| Northern Trust Corp | 2,229,193 | $53.2M | 0.01% | +394,579+21.5% | Added |
| Charles Schwab Investment Management Inc | 2,433,827 | $58.1M | 0.01% | +111,719+4.8% | Added |
| Loomis Sayles & Co L P | 2,505,136 | $59.8M | 0.07% | −75,512−2.9% | Reduced |
| GW&K Investment Management, LLC | 2,765,094 | $66.0M | 0.58% | −288,218−9.4% | Reduced |
| Morgan Stanley | 2,778,633 | $66.3M | 0.00% | −427,658−13.3% | Reduced |
| Systematic Financial Management LP | 2,972,351 | $71.0M | 1.73% | −41,449−1.4% | Reduced |
| Allspring Global Investments Holdings, LLC | 3,078,366 | $73.8M | 0.12% | −229,585−6.9% | Reduced |
| Goldman Sachs Group Inc | 3,139,382 | $74.9M | 0.01% | −744,669−19.2% | Reduced |
| Bank of America Corp | 3,240,001 | $77.3M | 0.01% | −1,008,697−23.7% | Reduced |
| Silvercrest Asset Management Group LLC | 3,590,433 | $85.7M | 0.57% | −74,873−2.0% | Reduced |
| Boston Trust Walden Corp | 3,942,736 | $94.1M | 0.69% | −61,034−1.5% | Reduced |
| Victory Capital Management Inc | 3,958,502 | $94.5M | 0.06% | −381,122−8.8% | Reduced |
| Epoch Investment Partners, Inc. | 4,138,626 | $98.8M | 0.54% | +1,531,061+58.7% | Added |
| TD Asset Management Inc | 4,478,361 | $106.9M | 0.09% | +1,601,809+55.7% | Added |
| Geode Capital Management, LLC | 4,520,985 | $107.9M | 0.01% | −10,870−0.2% | Reduced |
| Alliancebernstein L.P. | 4,658,667 | $111.2M | 0.04% | −116,711−2.4% | Reduced |
| Wellington Management Group LLP | 5,225,168 | $124.7M | 0.02% | +113,458+2.2% | Added |
| Macquarie Group Ltd | 5,381,675 | $128.5M | 0.15% | −495,394−8.4% | Reduced |
| T. Rowe Price Investment Management, Inc. | 5,576,462 | $133.1M | 0.08% | −19,456−0.3% | Reduced |
| Janus Henderson Group PLC | 6,355,219 | $151.7M | 0.07% | −98,885−1.5% | Reduced |
| Dimensional Fund Advisors LP | 6,369,713 | $152.1M | 0.03% | +283,444+4.7% | Added |
| State Street Corp | 8,675,100 | $207.1M | 0.01% | −1,122,548−11.5% | Reduced |
| American Century Companies Inc | 11,887,655 | $283.8M | 0.14% | +26,424+0.2% | Added |
| Vanguard Group Inc | 19,875,856 | $474.4M | 0.01% | −382,051−1.9% | Reduced |
| BlackRock, Inc. | 27,443,348 | $655.1M | 0.01% | −125,230−0.5% | Reduced |
| Hallmark Capital Management Inc | 0 | $0 | 0.00% | −715,217−100.0% | Sold out |
| TimesSquare Capital Management, LLC | 0 | $0 | 0.00% | −691,959−100.0% | Sold out |
| Ranger Investment Management, L.P. | 0 | $0 | 0.00% | −560,990−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −349,188−100.0% | Sold out |
| Wasatch Advisors Inc | 0 | $0 | 0.00% | −238,309−100.0% | Sold out |
| Capitolis Liquid Global Markets LLC | 0 | $0 | 0.00% | −216,100−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −173,334−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −171,271−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −78,359−100.0% | Sold out |
| Jupiter Asset Management Ltd | 0 | $0 | 0.00% | −71,508−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −63,419−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −47,988−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −44,333−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −37,792−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −35,507−100.0% | Sold out |
| Perbak Capital Partners LLP | 0 | $0 | 0.00% | −34,872−100.0% | Sold out |
| Vident Advisory, LLC | 0 | $0 | 0.00% | −28,932−100.0% | Sold out |
| Systematic Alpha Investments, LLC | 0 | $0 | 0.00% | −25,400−100.0% | Sold out |
| ISAM Funds (UK) Ltd | 0 | $0 | 0.00% | −18,595−100.0% | Sold out |
| Readystate Asset Management LP | 0 | $0 | 0.00% | −18,071−100.0% | Sold out |
| Lombard Odier Asset Management (USA) Corp | 0 | $0 | 0.00% | −17,749−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −15,027−100.0% | Sold out |
| 111 Capital | 0 | $0 | 0.00% | −14,066−100.0% | Sold out |
| Buckingham Strategic Partners | 0 | $0 | 0.00% | −13,156−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −12,119−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −11,863−100.0% | Sold out |
| Elo Mutual Pension Insurance Co | 0 | $0 | 0.00% | −10,785−100.0% | Sold out |