Magnolia Oil & Gas Corp. Class AMGY
13F holders, Q1 2025 (March 31)407holders +24
58new positions
34sold out
7famous investors
$25.25avg. 13F price*
At the end of Q1 2025, 407 institutions reported holding Magnolia Oil & Gas Corp. Class A (MGY) in their 13F filings, up 24 from Q4 2024. 58 opened new positions and 34 sold out. The largest holders were BlackRock, Inc. ($703.9M), Vanguard Group Inc. ($515.5M) and American Century Companies Inc. ($265.3M). 7 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Joel Greenblatt (0.0% of Gotham Asset Management's portfolio).
- Company
- Magnolia Oil & Gas Corp. Class A
- CUSIP
- 559663109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 58 | $133.2M |
| Exits | 34 | $23.1M |
All 13F filers, Q4 2024 → Q1 2025: 19,748,674 shares bought and 21,891,976 shares sold, net −2,143,302 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 407 holders
| BlackRock, Inc. | 0.01% | Reduce -2.2% | 27,867,197 | $703.9M |
| Vanguard Group Inc. | 0.01% | Reduce -2.5% | 20,407,703 | $515.5M |
| American Century Companies Inc. | 0.16% | Add +5.7% | 10,502,353 | $265.3M |
| State Street Corp. | 0.01% | Reduce -1.7% | 9,857,960 | $249.0M |
| T. Rowe Price Investment Management, Inc. | 0.12% | Reduce -8.7% | 7,261,115 | $183.4M |
| Janus Henderson Group PLC | 0.09% | Add +0.8% | 6,450,789 | $162.5M |
| Macquarie Group Ltd. | 0.18% | Add +4.6% | 5,771,833 | $145.8M |
| Alliancebernstein L.P. | 0.05% | Reduce -2.5% | 5,397,901 | $136.4M |
| Dimensional Fund Advisors LP | 0.03% | Add +12.5% | 5,365,892 | $135.5M |
| Wellington Management Group LLP | 0.02% | Reduce -0.1% | 5,017,528 | $126.7M |
| Victory Capital Management Inc. | 0.12% | Reduce -6.2% | 4,382,053 | $110.7M |
| Bank of America Corp. | 0.01% | Add +70.8% | 4,342,204 | $109.7M |
| Geode Capital Management, LLC | 0.01% | Add +3.8% | 4,293,499 | $108.5M |
| Silvercrest Asset Management Group LLC | 0.69% | Reduce -0.6% | 3,801,297 | $96.0M |
| GW&K Investment Management, LLC | 0.80% | Reduce -1.7% | 3,424,841 | $86.5M |
| Allspring Global Investments Holdings, LLC | 0.14% | Add +3.6% | 3,175,387 | $81.0M |
| Boston Trust Walden Corp | 0.59% | Add +2.9% | 3,178,608 | $80.3M |
| TD Asset Management Inc | 0.07% | Reduce -2.6% | 3,033,267 | $76.6M |
| Systematic Financial Management LP | 2.15% | Reduce -1.4% | 2,989,746 | $75.5M |
| Morgan Stanley | 0.01% | Add +5.3% | 2,975,635 | $75.2M |
| Loomis Sayles & Co. L P | 0.10% | Add +3.1% | 2,785,496 | $70.4M |
| First Trust Advisors LP | 0.06% | Reduce -82.1% | 2,757,328 | $69.7M |
| Epoch Investment Partners, Inc. | 0.34% | Reduce -1.5% | 2,626,791 | $66.4M |
| Principal Financial Group Inc. | 0.03% | Add +5.2% | 2,427,952 | $61.3M |
| Stephens Investment Management Group LLC | 0.88% | Reduce -10.8% | 2,413,961 | $61.0M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +11.5% | 2,315,012 | $58.5M |
| Wasatch Advisors LP | 0.32% | Reduce -17.5% | 2,288,047 | $57.8M |
| Encompass Capital Advisors LLC | 2.07% | New | 2,130,595 | $53.8M |
| EnerVest, Ltd. | 100.00% | No change | 2,099,403 | $53.0M |
| Manufacturers Life Insurance Company, The | 0.05% | Add +14.0% | 2,026,672 | $51.2M |
| Balyasny Asset Management L.P. | 0.12% | Add +15001.4% | 1,942,036 | $49.1M |
| Northern Trust Corp. | 0.01% | Reduce -3.9% | 1,861,826 | $47.0M |
| Bank of New York Mellon Corp | 0.01% | Reduce -2.8% | 1,723,227 | $43.5M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -6.1% | 1,561,719 | $39.4M |
| UBS Group AG | 0.01% | Add +108.0% | 1,417,856 | $35.8M |
| Barclays PLC | 0.01% | Reduce -3.8% | 1,230,908 | $31.1M |
| HRT Financial LP | 0.19% | Add +8960.7% | 1,187,136 | $30.0M |
| Two Sigma Advisers, LP | 0.06% | Reduce -1.9% | 1,070,600 | $27.0M |
| Jane Street Group, LLC | 0.05% | Add +1382.8% | 1,059,335 | $26.8M |
| Millennium Management | 0.03% | Add +506.2% | 1,022,836 | $25.8M |
| Ranger Investment Management, L.P. | 1.83% | Reduce -1.5% | 1,016,044 | $25.7M |
| Invesco Ltd. | 0.00% | Add +4.8% | 1,006,049 | $25.4M |
| Two Sigma Investments, LP | 0.06% | Add +134.2% | 1,003,432 | $25.3M |
| Bessemer Group Inc. | 0.04% | Add +4.4% | 836,386 | $21.1M |
| Nuveen, LLC | 0.01% | — | 833,951 | $21.1M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.09% | Add +37.5% | 812,030 | $20.5M |
| JPMorgan Chase & Co. | 0.00% | Reduce -7.4% | 799,797 | $20.2M |
| Gilder Gagnon Howe & Co. LLC | 0.26% | Reduce -6.3% | 797,485 | $20.1M |
| Sei Investments Co. | 0.03% | Reduce -0.6% | 795,473 | $20.1M |
| Voloridge Investment Management, LLC | 0.07% | Reduce -15.9% | 751,193 | $19.0M |
| Valley Wealth Managers, Inc. | 1.37% | Add +5.1% | 716,547 | $18.1M |
| Public Sector Pension Investment Board | 0.08% | Add +45.1% | 690,875 | $17.5M |
| TimesSquare Capital Management, LLC | 0.28% | Reduce -14.4% | 679,321 | $17.2M |
| Squarepoint Ops LLC | 0.04% | Add +54.1% | 666,250 | $16.8M |
| Renaissance Technologies | 0.03% | Add +22.5% | 663,300 | $16.8M |
| Osterweis Capital Management Inc. | 1.09% | Add +33.5% | 641,637 | $16.2M |
| Aberdeen Group plc | 0.03% | Add +14.1% | 620,731 | $15.7M |
| ExodusPoint Capital Management, LP | 0.20% | Add +50.6% | 612,827 | $15.5M |
| Raymond James Financial Inc. | 0.01% | Reduce -0.7% | 579,150 | $14.6M |
| Barrow Hanley Mewhinney & Strauss LLC | 0.05% | Reduce -7.7% | 570,589 | $14.4M |
| Brandywine Global Investment Management, LLC | 0.10% | Reduce -3.8% | 563,418 | $14.2M |
| Rhumbline Advisers | 0.01% | Reduce -2.6% | 525,411 | $13.3M |
| Cambiar Investors LLC | 0.52% | Reduce -12.3% | 489,866 | $12.4M |
| Legal & General Group Plc | 0.00% | Reduce -3.1% | 480,250 | $12.1M |
| Arrowstreet Capital, Limited Partnership | 0.01% | New | 450,897 | $11.4M |
| Nordea Investment Management AB | 0.01% | Add +4.2% | 440,264 | $11.2M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -2.8% | 437,069 | $11.0M |
| Citadel Advisors | 0.01% | Add +11.7% | 436,215 | $11.0M |
| Ameriprise Financial Inc. | 0.00% | Reduce -3.5% | 432,184 | $10.9M |
| Neuberger Berman Group LLC | 0.01% | Add +67.6% | 430,318 | $10.9M |
| Envestnet Asset Management Inc. | 0.00% | Add +3.7% | 421,895 | $10.7M |
| Thrivent Financial for Lutherans | 0.02% | Add +3.1% | 419,341 | $10.6M |
| Royal Bank of Canada | 0.00% | Reduce -2.4% | 409,747 | $10.4M |
| Susquehanna International Group, LLP | 0.02% | Add +169.5% | 405,625 | $10.2M |
| Aventail Capital Group, LP | 0.50% | No change | 400,000 | $10.1M |
| Man Group plc | 0.03% | Add +23.3% | 396,295 | $10.0M |
| State of Wisconsin Investment Board | 0.03% | Add +0.8% | 395,399 | $10.0M |
| Oberweis Asset Management Inc./ | 0.46% | Add +20.5% | 369,200 | $9.3M |
| Susquehanna Fundamental Investments, LLC | 0.16% | Add +269.2% | 366,909 | $9.3M |
| Swiss National Bank | 0.01% | No change | 351,500 | $8.9M |
| Schonfeld Strategic Advisors LLC | 0.06% | Add +73.2% | 337,852 | $8.5M |
| Citigroup Inc. | 0.01% | Add +1.3% | 334,575 | $8.5M |
| King Luther Capital Management Corp. | 0.04% | Reduce -0.4% | 326,985 | $8.3M |
| D. E. Shaw & Co. | 0.01% | Add +19.4% | 305,260 | $7.7M |
| Heartland Advisors Inc. | 0.44% | No change | 300,000 | $7.6M |
| Trexquant Investment LP | 0.09% | Add +246.7% | 291,615 | $7.4M |
| California Public Employees Retirement System | 0.01% | Reduce -7.6% | 288,487 | $7.3M |
| Russell Investments Group, Ltd. | 0.01% | Add +38.5% | 284,285 | $7.2M |
| Hunter Perkins Capital Management, LLC | 1.67% | Reduce -17.2% | 283,582 | $7.2M |
| Brevan Howard Capital Management LP | 0.20% | New | 277,218 | $7.0M |
| Wells Fargo & Company | 0.00% | Add +5.4% | 272,956 | $6.9M |
| Foster Victor Wealth Advisors, LLC | 0.55% | Add +7.1% | 336,917 | $6.9M |
| Fred Alger Management, LLC | 0.04% | No change | 262,082 | $6.6M |
| Ruffer LLP | 0.25% | New | 260,373 | $6.6M |
| Jefferies Financial Group Inc. | 0.12% | New | 257,454 | $6.5M |
| SIR Capital Management, L.P. | 0.57% | Add +206.4% | 256,800 | $6.5M |
| WINTON GROUP Ltd | 0.38% | New | 246,671 | $6.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +8.2% | 242,880 | $6.1M |
| Quantbot Technologies LP | 0.19% | Add +11.8% | 231,297 | $5.8M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | New | 228,590 | $5.8M |
"% of holder's portfolio" is MGY's weight in each manager's 13F, not the share of Magnolia Oil & Gas Corp. Class A the manager owns.