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, Q2 2026
Institutional positions in Magnolia Oil & Gas Corp as of Jun 30, 2026. 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
- 411
- +12 vs. Q1 2026
- Shares held
- 205.5M
- +8.50M (+4.3%) vs. Q1 2026
- Total value
- $5.28B
- −$890.8M (−14.4%) vs. Q1 2026
- New holders
- 59
- 161 more added
- Sold out
- 47
- 142 more reduced
7 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Magnolia Oil & Gas Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Harbor Capital Advisors, Inc. | 110,051 | $2.81M | 0.19% | −3,070−2.7% | Reduced |
| Kingsview Wealth Management, LLC | 112,327 | $2.87M | 0.03% | +112,327 | New |
| Bridgeway Capital Management, LLC | 112,500 | $2.88M | 0.05% | 00.0% | Unchanged |
| Citigroup Inc | 119,285 | $3.05M | 0.00% | +24,013+25.2% | Added |
| Public Employees Retirement System of Ohio | 120,293 | $3.08M | 0.01% | +51,823+75.7% | Added |
| Thrivent Financial for Lutherans | 121,449 | $3.11M | 0.01% | +715+0.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 122,150 | $3.12M | 0.00% | −15,741−11.4% | Reduced |
| State Board of Administration of Florida Retirement System | 123,730 | $3.17M | 0.01% | −18,181−12.8% | Reduced |
| Natixis Advisors, L.P. | 128,627 | $3.29M | 0.00% | +17,591+15.8% | Added |
| Pathstone Holdings, LLC | 130,193 | $3.33M | 0.01% | −12,342−8.7% | Reduced |
| Royal Bank of Canada | 139,992 | $3.58M | 0.00% | +39,433+39.2% | Added |
| Rafferty Asset Management, LLC | 141,860 | $3.63M | 0.01% | −98,119−40.9% | Reduced |
| Cerity Partners LLC | 142,648 | $3.65M | 0.00% | +3,173+2.3% | Added |
| Great West Life Assurance Co | 147,914 | $3.78M | 0.01% | −2,095−1.4% | Reduced |
| Van Eck Associates Corp | 149,697 | $3.83M | 0.00% | +149,697 | New |
| Empowered Funds, LLC | 151,858 | $3.88M | 0.02% | +73,175+93.0% | Added |
| Voloridge Investment Management, LLC | 155,059 | $3.97M | 0.02% | −828,817−84.2% | Reduced |
| Vanguard Asset Management, Ltd | 155,158 | $3.97M | 0.00% | +11,284+7.8% | Added |
| Lazard Asset Management LLC | 163,263 | $4.18M | 0.01% | +163,263 | New |
| Fifth Third Bancorp | 165,467 | $4.23M | 0.01% | +92,771+127.6% | Added |
| Moody Aldrich Partners LLC | 167,040 | $4.27M | 0.77% | −25,587−13.3% | Reduced |
| Barclays PLC | 169,430 | $4.33M | 0.00% | −16,966−9.1% | Reduced |
| Fred Alger Management, LLC | 171,139 | $4.38M | 0.01% | −1,024,241−85.7% | Reduced |
| Emerald Investment Advisers, LLC | 176,541 | $4.52M | 0.30% | −26,983−13.3% | Reduced |
| Susquehanna International Group, LLP | 177,870 | $4.55M | 0.00% | −14,270−7.4% | Reduced |
| Great Lakes Advisors, LLC | 182,784 | $4.68M | 0.04% | −3,782−2.0% | Reduced |
| Aventail Capital Group, LP | 187,617 | $4.80M | 0.28% | +187,617 | New |
| Phocas Financial Corp. | 187,730 | $4.80M | 0.67% | −11,667−5.9% | Reduced |
| Franklin Resources Inc | 189,120 | $4.84M | 0.00% | −36,206−16.1% | Reduced |
| Prudential Financial Inc | 191,670 | $4.90M | 0.01% | −42,970−18.3% | Reduced |
| Wells Fargo & Company | 196,729 | $5.03M | 0.00% | +28,914+17.2% | Added |
| UBS Asset Management Americas Inc | 208,440 | $5.33M | 0.00% | +1,627+0.8% | Added |
| California State Teachers Retirement System | 213,180 | $5.45M | 0.01% | +1,712+0.8% | Added |
| Federated Hermes, Inc. | 216,186 | $5.53M | 0.01% | +201,038+1,327.2% | Added |
| SIR Capital Management, L.P. | 227,667 | $5.82M | 0.67% | −623,427−73.3% | Reduced |
| Russell Investments Group, Ltd. | 234,139 | $5.99M | 0.01% | +15,036+6.9% | Added |
| King Luther Capital Management Corp | 259,018 | $6.63M | 0.03% | +26,760+11.5% | Added |
| Millennium Management LLC | 261,428 | $6.69M | 0.00% | −337,589−56.4% | Reduced |
| SEI Investments Co | 273,602 | $7.00M | 0.01% | −181,750−39.9% | Reduced |
| Foster Victor Wealth Advisors, LLC | 265,272 | $7.08M | 0.37% | −159,000−37.5% | Reduced |
| Raymond James Financial Inc | 281,030 | $7.19M | 0.00% | −2,556−0.9% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 286,035 | $7.32M | 0.01% | +10,728+3.9% | Added |
| Deutsche Bank AG | 311,090 | $7.96M | 0.00% | +90,889+41.3% | Added |
| Clark Capital Management Group, Inc. | 320,995 | $8.21M | 0.04% | +107,056+50.0% | Added |
| Marshall Wace, LLP | 328,279 | $8.40M | 0.01% | +328,279 | New |
| Ameriprise Financial Inc | 353,570 | $9.04M | 0.00% | +51,693+17.1% | Added |
| State of Wisconsin Investment Board | 359,835 | $9.20M | 0.02% | −26,696−6.9% | Reduced |
| Swiss National Bank | 363,300 | $9.29M | 0.00% | +15,000+4.3% | Added |
| Nordea Investment Management AB | 367,290 | $9.51M | 0.01% | +4,462+1.2% | Added |
| Point72 Asset Management, L.P. | 385,561 | $9.86M | 0.02% | −307,028−44.3% | Reduced |
| Legal & General Group Plc | 389,923 | $9.97M | 0.00% | +3,960+1.0% | Added |
| Trexquant Investment LP | 422,732 | $10.8M | 0.07% | +164,086+63.4% | Added |
| Squarepoint Ops LLC | 430,380 | $11.0M | 0.02% | −24,473−5.4% | Reduced |
| Envestnet Asset Management Inc | 434,943 | $11.1M | 0.00% | +12,857+3.0% | Added |
| Oberweis Asset Management Inc | 456,466 | $11.7M | 0.24% | +2,000+0.4% | Added |
| California Public Employees Retirement System | 456,471 | $11.7M | 0.01% | +42,474+10.3% | Added |
| Diamond Hill Capital Management Inc | 468,704 | $12.0M | 0.10% | +143,683+44.2% | Added |
| Edgestream Partners, L.P. | 478,721 | $12.2M | 0.36% | +125,723+35.6% | Added |
| Gilder Gagnon Howe & Co LLC | 480,127 | $12.3M | 0.13% | −6,399−1.3% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 515,963 | $13.2M | 0.04% | +134,064+35.1% | Added |
| Rhumbline Advisers | 524,565 | $13.4M | 0.01% | −52,704−9.1% | Reduced |
| Algert Global LLC | 551,900 | $14.1M | 0.17% | +28,280+5.4% | Added |
| AQR Capital Management LLC | 594,648 | $15.2M | 0.01% | +96,763+19.4% | Added |
| Heartland Advisors Inc | 615,475 | $15.7M | 0.70% | −15,000−2.4% | Reduced |
| Creative Planning | 633,423 | $16.2M | 0.01% | +202,844+47.1% | Added |
| Invesco Ltd. | 742,620 | $19.0M | 0.00% | +37,896+5.4% | Added |
| HRT Financial LP | 787,701 | $20.1M | 0.04% | +514,263+188.1% | Added |
| Public Sector Pension Investment Board | 793,479 | $20.3M | 0.05% | −8,278−1.0% | Reduced |
| First Trust Advisors LP | 830,702 | $21.2M | 0.01% | −145,654−14.9% | Reduced |
| Fort Washington Investment Advisors Inc | 870,898 | $22.3M | 0.11% | +870,898 | New |
| Conestoga Capital Advisors, LLC | 935,605 | $23.9M | 0.52% | +935,605 | New |
| JPMorgan Chase & Co | 926,677 | $24.1M | 0.00% | −273,804−22.8% | Reduced |
| Standard Life Aberdeen plc | 958,945 | $24.5M | 0.03% | +190,873+24.9% | Added |
| Principal Financial Group Inc | 1,120,762 | $28.7M | 0.01% | −423,512−27.4% | Reduced |
| Renaissance Technologies LLC | 1,296,902 | $33.2M | 0.05% | −404,900−23.8% | Reduced |
| Vanguard Fiduciary Trust Co | 1,330,499 | $34.0M | 0.01% | +148,575+12.6% | Added |
| Bessemer Group Inc | 1,334,098 | $34.1M | 0.05% | +79,657+6.3% | Added |
| Two Sigma Investments, LP | 1,416,670 | $36.2M | 0.03% | −277,125−16.4% | Reduced |
| UBS Group AG | 1,503,941 | $38.5M | 0.01% | +333,732+28.5% | Added |
| Price T Rowe Associates Inc | 1,713,122 | $43.8M | 0.00% | +1,468,803+601.2% | Added |
| Manufacturers Life Insurance Company, The | 1,857,192 | $47.5M | 0.04% | +322,820+21.0% | Added |
| Northern Trust Corp | 1,894,970 | $48.5M | 0.01% | −237,130−11.1% | Reduced |
| Bank of New York Mellon Corp | 1,944,363 | $49.7M | 0.01% | +7770.0% | Added |
| Loomis Sayles & Co L P | 2,065,051 | $52.8M | 0.07% | −114,593−5.3% | Reduced |
| Stephens Investment Management Group LLC | 2,219,966 | $56.8M | 0.61% | +47,846+2.2% | Added |
| Nuveen, LLC | 2,228,804 | $57.0M | 0.01% | −24,264−1.1% | Reduced |
| Boston Trust Walden Corp | 2,384,760 | $61.0M | 0.46% | −843,146−26.1% | Reduced |
| Goldman Sachs Group Inc | 2,406,168 | $61.5M | 0.01% | −725,180−23.2% | Reduced |
| Silvercrest Asset Management Group LLC | 2,537,333 | $64.9M | 0.43% | −129,315−4.8% | Reduced |
| Allspring Global Investments Holdings, LLC | 2,667,136 | $66.6M | 0.10% | −31,868−1.2% | Reduced |
| Charles Schwab Investment Management Inc | 2,618,204 | $67.0M | 0.01% | +4,726+0.2% | Added |
| Westwood Holdings Group Inc. | 2,642,440 | $67.6M | 0.51% | +1,051,870+66.1% | Added |
| Systematic Financial Management LP | 2,777,352 | $71.0M | 1.42% | −35,926−1.3% | Reduced |
| GW&K Investment Management, LLC | 2,917,419 | $74.6M | 0.58% | −163,845−5.3% | Reduced |
| Victory Capital Management Inc | 2,982,883 | $76.3M | 0.04% | −108,170−3.5% | Reduced |
| Morgan Stanley | 3,429,471 | $87.7M | 0.00% | +401,496+13.3% | Added |
| Epoch Investment Partners, Inc. | 3,569,975 | $91.3M | 0.52% | −705,534−16.5% | Reduced |
| TD Asset Management Inc | 3,934,160 | $100.6M | 0.09% | −1,007,819−20.4% | Reduced |
| Bank of America Corp | 4,253,346 | $108.8M | 0.01% | +375,985+9.7% | Added |
| Nomura Asset Management International Inc. | 4,311,973 | $110.3M | 0.17% | −660,288−13.3% | Reduced |