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
- 205.7M
- +8.61M (+4.4%) vs. Q1 2026
- Total value
- $5.28B
- −$888.0M (−14.4%) vs. Q1 2026
- New holders
- 59
- 162 more added
- Sold out
- 47
- 141 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 | $4.40B |
| Q3 2025 | 373 | $4.94B |
| Q2 2025 | 385 | $4.86B |
| Q1 2025 | 407 | $5.51B |
| Q4 2024 | 383 | $5.15B |
| Q3 2024 | 367 | $5.45B |
| Q2 2024 | 347 | $5.62B |
| Q1 2024 | 323 | $5.94B |
| Q4 2023 | 297 | $4.27B |
| Q3 2023 | 288 | $4.41B |
| Q2 2023 | 281 | $4.14B |
| Q1 2023 | 276 | $4.54B |
| Q4 2022 | 295 | $4.56B |
| Q3 2022 | 280 | $3.99B |
| 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 31,972,219 | $817.8M | 0.01% | +2,481,070+8.4% | Added |
| Vanguard Portfolio Management LLC | 15,341,201 | $392.4M | 0.02% | +2,357,806+18.2% | Added |
| American Century Companies Inc | 11,011,458 | $281.7M | 0.12% | +502,218+4.8% | Added |
| State Street Corp | 9,941,466 | $254.3M | 0.01% | +445,191+4.7% | Added |
| Vanguard Capital Management LLC | 7,663,263 | $196.0M | 0.00% | +474,839+6.6% | Added |
| Dimensional Fund Advisors LP | 7,117,449 | $182.1M | 0.03% | +88,668+1.3% | Added |
| Jupiter Topco LLC | 6,427,893 | $164.4M | 0.07% | +6,427,893 | New |
| Arrowstreet Capital, Limited Partnership | 5,463,526 | $139.8M | 0.06% | −800,282−12.8% | Reduced |
| T. Rowe Price Investment Management, Inc. | 5,180,518 | $132.5M | 0.09% | −13,369−0.3% | Reduced |
| Alliancebernstein L.P. | 4,122,434 | $130.1M | 0.04% | −328,808−7.4% | Reduced |
| Geode Capital Management, LLC | 4,802,973 | $122.9M | 0.01% | +264,861+5.8% | Added |
| Nomura Asset Management International Inc. | 4,311,973 | $110.3M | 0.17% | −660,288−13.3% | Reduced |
| Bank of America Corp | 4,253,346 | $108.8M | 0.01% | +375,985+9.7% | Added |
| TD Asset Management Inc | 3,934,160 | $100.6M | 0.09% | −1,007,819−20.4% | Reduced |
| Epoch Investment Partners, Inc. | 3,569,975 | $91.3M | 0.52% | −705,534−16.5% | Reduced |
| Morgan Stanley | 3,429,471 | $87.7M | 0.00% | +401,496+13.3% | Added |
| Victory Capital Management Inc | 2,982,883 | $76.3M | 0.04% | −108,170−3.5% | Reduced |
| GW&K Investment Management, LLC | 2,917,419 | $74.6M | 0.58% | −163,845−5.3% | Reduced |
| Systematic Financial Management LP | 2,777,352 | $71.0M | 1.42% | −35,926−1.3% | Reduced |
| Westwood Holdings Group Inc. | 2,642,440 | $67.6M | 0.51% | +1,051,870+66.1% | Added |
| Charles Schwab Investment Management Inc | 2,618,204 | $67.0M | 0.01% | +4,726+0.2% | Added |
| Allspring Global Investments Holdings, LLC | 2,667,136 | $66.6M | 0.10% | −31,868−1.2% | Reduced |
| Silvercrest Asset Management Group LLC | 2,537,333 | $64.9M | 0.43% | −129,315−4.8% | Reduced |
| Goldman Sachs Group Inc | 2,406,168 | $61.5M | 0.01% | −725,180−23.2% | Reduced |
| Boston Trust Walden Corp | 2,384,760 | $61.0M | 0.46% | −843,146−26.1% | Reduced |
| Nuveen, LLC | 2,228,804 | $57.0M | 0.01% | −24,264−1.1% | Reduced |
| Stephens Investment Management Group LLC | 2,219,966 | $56.8M | 0.61% | +47,846+2.2% | Added |
| Loomis Sayles & Co L P | 2,065,051 | $52.8M | 0.07% | −114,593−5.3% | Reduced |
| Bank of New York Mellon Corp | 1,944,363 | $49.7M | 0.01% | +7770.0% | Added |
| Northern Trust Corp | 1,894,970 | $48.5M | 0.01% | −237,130−11.1% | Reduced |
| Manufacturers Life Insurance Company, The | 1,857,192 | $47.5M | 0.04% | +322,820+21.0% | Added |
| Price T Rowe Associates Inc | 1,713,122 | $43.8M | 0.00% | +1,468,803+601.2% | Added |
| UBS Group AG | 1,503,941 | $38.5M | 0.01% | +333,732+28.5% | Added |
| Two Sigma Investments, LP | 1,416,670 | $36.2M | 0.03% | −277,125−16.4% | Reduced |
| Bessemer Group Inc | 1,334,098 | $34.1M | 0.05% | +79,657+6.3% | Added |
| Vanguard Fiduciary Trust Co | 1,330,499 | $34.0M | 0.01% | +148,575+12.6% | Added |
| Renaissance Technologies LLC | 1,296,902 | $33.2M | 0.05% | −404,900−23.8% | Reduced |
| Principal Financial Group Inc | 1,120,762 | $28.7M | 0.01% | −423,512−27.4% | Reduced |
| Standard Life Aberdeen plc | 958,945 | $24.5M | 0.03% | +190,873+24.9% | Added |
| JPMorgan Chase & Co | 926,677 | $24.1M | 0.00% | −273,804−22.8% | Reduced |
| Conestoga Capital Advisors, LLC | 935,605 | $23.9M | 0.52% | +935,605 | New |
| Fort Washington Investment Advisors Inc | 870,898 | $22.3M | 0.11% | +870,898 | New |
| First Trust Advisors LP | 830,702 | $21.2M | 0.01% | −145,654−14.9% | Reduced |
| Public Sector Pension Investment Board | 793,479 | $20.3M | 0.05% | −8,278−1.0% | Reduced |
| HRT Financial LP | 787,701 | $20.1M | 0.04% | +514,263+188.1% | Added |
| Invesco Ltd. | 742,620 | $19.0M | 0.00% | +37,896+5.4% | Added |
| Creative Planning | 633,423 | $16.2M | 0.01% | +202,844+47.1% | Added |
| Heartland Advisors Inc | 615,475 | $15.7M | 0.70% | −15,000−2.4% | Reduced |
| AQR Capital Management LLC | 594,648 | $15.2M | 0.01% | +96,763+19.4% | Added |
| Algert Global LLC | 551,900 | $14.1M | 0.17% | +28,280+5.4% | Added |
| Rhumbline Advisers | 524,565 | $13.4M | 0.01% | −52,704−9.1% | Reduced |
| Barrow Hanley Mewhinney & Strauss LLC | 515,963 | $13.2M | 0.04% | +134,064+35.1% | Added |
| Gilder Gagnon Howe & Co LLC | 480,127 | $12.3M | 0.13% | −6,399−1.3% | Reduced |
| Edgestream Partners, L.P. | 478,721 | $12.2M | 0.36% | +125,723+35.6% | Added |
| Diamond Hill Capital Management Inc | 468,704 | $12.0M | 0.10% | +143,683+44.2% | Added |
| California Public Employees Retirement System | 456,471 | $11.7M | 0.01% | +42,474+10.3% | Added |
| Oberweis Asset Management Inc | 456,466 | $11.7M | 0.24% | +2,000+0.4% | Added |
| Envestnet Asset Management Inc | 434,943 | $11.1M | 0.00% | +12,857+3.0% | Added |
| Squarepoint Ops LLC | 430,380 | $11.0M | 0.02% | −24,473−5.4% | Reduced |
| Trexquant Investment LP | 422,732 | $10.8M | 0.07% | +164,086+63.4% | Added |
| Legal & General Group Plc | 389,923 | $9.97M | 0.00% | +3,960+1.0% | Added |
| Point72 Asset Management, L.P. | 385,561 | $9.86M | 0.02% | −307,028−44.3% | Reduced |
| Nordea Investment Management AB | 367,290 | $9.51M | 0.01% | +4,462+1.2% | Added |
| Swiss National Bank | 363,300 | $9.29M | 0.00% | +15,000+4.3% | Added |
| State of Wisconsin Investment Board | 359,835 | $9.20M | 0.02% | −26,696−6.9% | Reduced |
| Ameriprise Financial Inc | 353,570 | $9.04M | 0.00% | +51,693+17.1% | Added |
| Marshall Wace, LLP | 328,279 | $8.40M | 0.01% | +328,279 | New |
| Clark Capital Management Group, Inc. | 320,995 | $8.21M | 0.04% | +107,056+50.0% | Added |
| Deutsche Bank AG | 311,090 | $7.96M | 0.00% | +90,889+41.3% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 286,035 | $7.32M | 0.01% | +10,728+3.9% | Added |
| Raymond James Financial Inc | 281,030 | $7.19M | 0.00% | −2,556−0.9% | Reduced |
| Foster Victor Wealth Advisors, LLC | 265,272 | $7.08M | 0.37% | −159,000−37.5% | Reduced |
| SEI Investments Co | 273,602 | $7.00M | 0.01% | −181,750−39.9% | Reduced |
| Millennium Management LLC | 261,428 | $6.69M | 0.00% | −337,589−56.4% | Reduced |
| King Luther Capital Management Corp | 259,018 | $6.63M | 0.03% | +26,760+11.5% | Added |
| Russell Investments Group, Ltd. | 234,139 | $5.99M | 0.01% | +15,036+6.9% | Added |
| SIR Capital Management, L.P. | 227,667 | $5.82M | 0.67% | −623,427−73.3% | Reduced |
| Federated Hermes, Inc. | 216,186 | $5.53M | 0.01% | +201,038+1,327.2% | Added |
| Anchor Capital Advisors LLC | 214,806 | $5.49M | 0.08% | +106,335+98.0% | Added |
| California State Teachers Retirement System | 213,180 | $5.45M | 0.01% | +1,712+0.8% | Added |
| UBS Asset Management Americas Inc | 208,440 | $5.33M | 0.00% | +1,627+0.8% | Added |
| Wells Fargo & Company | 196,729 | $5.03M | 0.00% | +28,914+17.2% | Added |
| Prudential Financial Inc | 191,670 | $4.90M | 0.01% | −42,970−18.3% | Reduced |
| Franklin Resources Inc | 189,120 | $4.84M | 0.00% | −36,206−16.1% | Reduced |
| Phocas Financial Corp. | 187,730 | $4.80M | 0.67% | −11,667−5.9% | Reduced |
| Aventail Capital Group, LP | 187,617 | $4.80M | 0.28% | +187,617 | New |
| Great Lakes Advisors, LLC | 182,784 | $4.68M | 0.04% | −3,782−2.0% | Reduced |
| Susquehanna International Group, LLP | 177,870 | $4.55M | 0.00% | −14,270−7.4% | Reduced |
| Emerald Investment Advisers, LLC | 176,541 | $4.52M | 0.30% | −26,983−13.3% | Reduced |
| Fred Alger Management, LLC | 171,139 | $4.38M | 0.01% | −1,024,241−85.7% | Reduced |
| Barclays PLC | 169,430 | $4.33M | 0.00% | −16,966−9.1% | Reduced |
| Moody Aldrich Partners LLC | 167,040 | $4.27M | 0.77% | −25,587−13.3% | Reduced |
| Fifth Third Bancorp | 165,467 | $4.23M | 0.01% | +92,771+127.6% | Added |
| Lazard Asset Management LLC | 163,263 | $4.18M | 0.01% | +163,263 | New |
| Vanguard Asset Management, Ltd | 155,158 | $3.97M | 0.00% | +11,284+7.8% | Added |
| Voloridge Investment Management, LLC | 155,059 | $3.97M | 0.02% | −828,817−84.2% | Reduced |
| Empowered Funds, LLC | 151,858 | $3.88M | 0.02% | +73,175+93.0% | Added |
| Van Eck Associates Corp | 149,697 | $3.83M | 0.00% | +149,697 | New |
| Great West Life Assurance Co | 147,914 | $3.78M | 0.01% | −2,095−1.4% | Reduced |
| Cerity Partners LLC | 142,648 | $3.65M | 0.00% | +3,173+2.3% | Added |