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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 27,443,348 | $655.1M | 0.01% | −125,230−0.5% | Reduced |
| Vanguard Group Inc | 19,875,856 | $474.4M | 0.01% | −382,051−1.9% | Reduced |
| American Century Companies Inc | 11,887,655 | $283.8M | 0.14% | +26,424+0.2% | Added |
| State Street Corp | 8,675,100 | $207.1M | 0.01% | −1,122,548−11.5% | Reduced |
| Dimensional Fund Advisors LP | 6,369,713 | $152.1M | 0.03% | +283,444+4.7% | Added |
| Janus Henderson Group PLC | 6,355,219 | $151.7M | 0.07% | −98,885−1.5% | Reduced |
| T. Rowe Price Investment Management, Inc. | 5,576,462 | $133.1M | 0.08% | −19,456−0.3% | Reduced |
| Macquarie Group Ltd | 5,381,675 | $128.5M | 0.15% | −495,394−8.4% | Reduced |
| Wellington Management Group LLP | 5,225,168 | $124.7M | 0.02% | +113,458+2.2% | Added |
| Alliancebernstein L.P. | 4,658,667 | $111.2M | 0.04% | −116,711−2.4% | Reduced |
| Geode Capital Management, LLC | 4,520,985 | $107.9M | 0.01% | −10,870−0.2% | Reduced |
| TD Asset Management Inc | 4,478,361 | $106.9M | 0.09% | +1,601,809+55.7% | Added |
| Epoch Investment Partners, Inc. | 4,138,626 | $98.8M | 0.54% | +1,531,061+58.7% | Added |
| Victory Capital Management Inc | 3,958,502 | $94.5M | 0.06% | −381,122−8.8% | Reduced |
| Boston Trust Walden Corp | 3,942,736 | $94.1M | 0.69% | −61,034−1.5% | Reduced |
| Silvercrest Asset Management Group LLC | 3,590,433 | $85.7M | 0.57% | −74,873−2.0% | Reduced |
| Bank of America Corp | 3,240,001 | $77.3M | 0.01% | −1,008,697−23.7% | Reduced |
| Goldman Sachs Group Inc | 3,139,382 | $74.9M | 0.01% | −744,669−19.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 3,078,366 | $73.8M | 0.12% | −229,585−6.9% | Reduced |
| Systematic Financial Management LP | 2,972,351 | $71.0M | 1.73% | −41,449−1.4% | Reduced |
| Morgan Stanley | 2,778,633 | $66.3M | 0.00% | −427,658−13.3% | Reduced |
| GW&K Investment Management, LLC | 2,765,094 | $66.0M | 0.58% | −288,218−9.4% | Reduced |
| Loomis Sayles & Co L P | 2,505,136 | $59.8M | 0.07% | −75,512−2.9% | Reduced |
| Charles Schwab Investment Management Inc | 2,433,827 | $58.1M | 0.01% | +111,719+4.8% | Added |
| Northern Trust Corp | 2,229,193 | $53.2M | 0.01% | +394,579+21.5% | Added |
| Encompass Capital Advisors LLC | 2,182,088 | $52.1M | 2.34% | +852,477+64.1% | Added |
| Stephens Investment Management Group LLC | 2,157,166 | $51.5M | 0.67% | −138,581−6.0% | Reduced |
| Principal Financial Group Inc | 2,142,155 | $51.1M | 0.03% | −97,744−4.4% | Reduced |
| EnerVest, Ltd. | 2,099,403 | $50.1M | 100.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 2,057,354 | $49.1M | 0.04% | −302,884−12.8% | Reduced |
| Nuveen, LLC | 1,926,705 | $46.0M | 0.01% | +97,502+5.3% | Added |
| Balyasny Asset Management LLC | 1,777,149 | $42.4M | 0.09% | −452,301−20.3% | Reduced |
| Bank of New York Mellon Corp | 1,773,130 | $42.3M | 0.01% | +35,655+2.1% | Added |
| UBS Group AG | 1,743,421 | $41.6M | 0.01% | +242,112+16.1% | Added |
| SIR Capital Management, L.P. | 1,740,161 | $41.5M | 3.73% | +349,461+25.1% | Added |
| First Trust Advisors LP | 1,540,551 | $36.8M | 0.03% | −558,789−26.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,401,279 | $33.4M | 0.02% | +921,970+192.4% | Added |
| Renaissance Technologies LLC | 1,116,311 | $26.6M | 0.04% | +20,013+1.8% | Added |
| Bessemer Group Inc | 912,526 | $21.8M | 0.03% | +38,502+4.4% | Added |
| JPMorgan Chase & Co | 858,972 | $20.5M | 0.00% | +221,920+34.8% | Added |
| Public Sector Pension Investment Board | 804,492 | $19.2M | 0.07% | +79,202+10.9% | Added |
| Brandywine Global Investment Management, LLC | 758,213 | $18.1M | 0.12% | −47,365−5.9% | Reduced |
| Invesco Ltd. | 758,009 | $18.1M | 0.00% | −218,129−22.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 714,225 | $17.0M | 0.05% | −74,743−9.5% | Reduced |
| Two Sigma Investments, LP | 704,870 | $16.8M | 0.03% | +132,466+23.1% | Added |
| Gilder Gagnon Howe & Co LLC | 691,325 | $16.5M | 0.17% | −52,032−7.0% | Reduced |
| Woodline Partners LP | 643,184 | $15.4M | 0.07% | −1,667,232−72.2% | Reduced |
| Pacer Advisors, Inc. | 626,745 | $15.0M | 0.04% | +622,912+16,251.3% | Added |
| Jane Street Group, LLC | 589,025 | $14.1M | 0.02% | −124,254−17.4% | Reduced |
| Rhumbline Advisers | 578,365 | $13.8M | 0.01% | −5,870−1.0% | Reduced |
| Heartland Advisors Inc | 576,290 | $13.8M | 0.73% | +276,290+92.1% | Added |
| Barclays PLC | 555,950 | $13.3M | 0.00% | −670,270−54.7% | Reduced |
| Two Sigma Advisers, LP | 554,500 | $13.2M | 0.03% | −288,500−34.2% | Reduced |
| Standard Life Aberdeen plc | 515,209 | $12.5M | 0.02% | −31,058−5.7% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 518,354 | $12.4M | 0.04% | −8,741−1.7% | Reduced |
| Man Group plc | 473,332 | $11.3M | 0.02% | +140,625+42.3% | Added |
| Legal & General Group Plc | 463,187 | $11.1M | 0.00% | −20,303−4.2% | Reduced |
| Osterweis Capital Management Inc | 449,967 | $10.7M | 0.48% | −125,045−21.7% | Reduced |
| Nordea Investment Management AB | 446,662 | $10.7M | 0.01% | +2,026+0.5% | Added |
| Voloridge Investment Management, LLC | 448,028 | $10.7M | 0.04% | +55,431+14.1% | Added |
| Corigliano Investment Advisers, LLC | 445,000 | $10.6M | 3.44% | +92,000+26.1% | Added |
| Envestnet Asset Management Inc | 414,556 | $9.90M | 0.00% | −2,661−0.6% | Reduced |
| Aventail Capital Group, LP | 400,928 | $9.57M | 0.45% | +820.0% | Added |
| State of Wisconsin Investment Board | 394,339 | $9.41M | 0.02% | +4,019+1.0% | Added |
| Foster Victor Wealth Advisors, LLC | 381,969 | $9.03M | 0.56% | +18,939+5.2% | Added |
| Oberweis Asset Management Inc | 376,300 | $8.98M | 0.34% | 00.0% | Unchanged |
| California Public Employees Retirement System | 366,012 | $8.74M | 0.01% | +45,350+14.1% | Added |
| Ameriprise Financial Inc | 365,171 | $8.72M | 0.00% | −15,806−4.1% | Reduced |
| Raymond James Financial Inc | 349,285 | $8.34M | 0.00% | +1,986+0.6% | Added |
| Swiss National Bank | 344,400 | $8.22M | 0.00% | +2,200+0.6% | Added |
| Wells Fargo & Company | 313,892 | $7.49M | 0.00% | +13,454+4.5% | Added |
| AQR Capital Management LLC | 278,488 | $6.65M | 0.00% | +64,630+30.2% | Added |
| Phocas Financial Corp. | 266,754 | $6.37M | 0.83% | +77,376+40.9% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 258,554 | $6.17M | 0.01% | +4,082+1.6% | Added |
| King Luther Capital Management Corp | 252,915 | $6.04M | 0.02% | −434−0.2% | Reduced |
| Dark Forest Capital Management LP | 239,863 | $5.73M | 0.22% | −256,944−51.7% | Reduced |
| Illinois Municipal Retirement Fund | 236,168 | $5.64M | 0.07% | +67,644+40.1% | Added |
| UBS Asset Management Americas Inc | 226,283 | $5.40M | 0.00% | −466,341−67.3% | Reduced |
| Prudential Financial Inc | 216,062 | $5.16M | 0.01% | +21,385+11.0% | Added |
| F/M Investments LLC | 211,104 | $5.04M | 0.19% | −3,902−1.8% | Reduced |
| Moody Aldrich Partners LLC | 204,279 | $4.88M | 0.92% | −41,554−16.9% | Reduced |
| Price T Rowe Associates Inc | 200,939 | $4.80M | 0.00% | −241,842−54.6% | Reduced |
| Deutsche Bank AG | 200,382 | $4.78M | 0.00% | +17,856+9.8% | Added |
| Citigroup Inc | 196,804 | $4.70M | 0.00% | −153,243−43.8% | Reduced |
| HITE Hedge Asset Management LLC | 190,981 | $4.56M | 0.25% | +190,981 | New |
| SEI Investments Co | 190,750 | $4.55M | 0.00% | +11,838+6.6% | Added |
| Royal Bank of Canada | 187,335 | $4.47M | 0.00% | −119,031−38.9% | Reduced |
| Creative Planning | 186,742 | $4.46M | 0.00% | +110,496+144.9% | Added |
| Rafferty Asset Management, LLC | 179,677 | $4.29M | 0.01% | −44,852−20.0% | Reduced |
| Bridgeway Capital Management, LLC | 174,650 | $4.17M | 0.09% | +47,800+37.7% | Added |
| Fred Alger Management, LLC | 172,261 | $4.11M | 0.02% | 00.0% | Unchanged |
| California State Teachers Retirement System | 170,350 | $4.07M | 0.00% | +4,717+2.8% | Added |
| Nicholas Investment Partners, LP | 165,899 | $3.96M | 0.30% | +9,690+6.2% | Added |
| Verition Fund Management LLC | 163,485 | $3.90M | 0.02% | +27,167+19.9% | Added |
| Lazard Asset Management LLC | 163,392 | $3.90M | 0.01% | −3,679−2.2% | Reduced |
| Gotham Asset Management, LLC | 161,273 | $3.85M | 0.02% | +40,060+33.0% | Added |
| Great West Life Assurance Co | 156,211 | $3.78M | 0.01% | −147−0.1% | Reduced |
| STRS Ohio | 152,100 | $3.63M | 0.01% | +7,800+5.4% | Added |
| Franklin Resources Inc | 151,332 | $3.61M | 0.00% | +42,293+38.8% | Added |
| State Board of Administration of Florida Retirement System | 149,150 | $3.56M | 0.01% | +45,830+44.4% | Added |