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, Q1 2026
Institutional positions in Magnolia Oil & Gas Corp as of Mar 31, 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
- 406
- +37 vs. Q4 2025
- Shares held
- 203.8M
- +24.9M (+13.9%) vs. Q4 2025
- Total value
- $6.39B
- +$2.47B (+62.9%) vs. Q4 2025
- New holders
- 76
- 148 more added
- Sold out
- 39
- 138 more reduced
10 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Magnolia Oil & Gas Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Pathstone Holdings, LLC | 142,535 | $4.50M | 0.02% | −3,612−2.5% | Reduced |
| State Board of Administration of Florida Retirement System | 141,911 | $4.48M | 0.01% | −10,105−6.6% | Reduced |
| Cerity Partners LLC | 139,475 | $4.40M | 0.01% | +10,385+8.0% | Added |
| EAM Investors, LLC | 139,005 | $4.39M | 0.51% | +139,005 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 137,891 | $4.35M | 0.01% | +48,622+54.5% | Added |
| Quantinno Capital Management LP | 135,229 | $4.27M | 0.01% | +105,532+355.4% | Added |
| HSBC Holdings PLC | 132,456 | $4.20M | 0.00% | +80,168+153.3% | Added |
| Brevan Howard Capital Management LP | 128,104 | $4.04M | 0.04% | +95,577+293.8% | Added |
| CI Private Wealth, LLC | 124,893 | $3.94M | 0.01% | +92,265+282.8% | Added |
| Qsemble Capital Management, LP | 121,731 | $3.84M | 0.29% | +121,731 | New |
| Thrivent Financial for Lutherans | 120,734 | $3.81M | 0.01% | −5,115−4.1% | Reduced |
| State of Alaska, Department of Revenue | 116,266 | $3.67M | 0.04% | −3,999−3.3% | Reduced |
| Harbor Capital Advisors, Inc. | 113,121 | $3.57M | 0.29% | +111,868+8,928.0% | Added |
| Bridgeway Capital Management, LLC | 112,500 | $3.55M | 0.07% | −46,850−29.4% | Reduced |
| Natixis Advisors, L.P. | 111,036 | $3.50M | 0.00% | +13,051+13.3% | Added |
| Anchor Capital Advisors LLC | 108,471 | $3.42M | 0.10% | −11,950−9.9% | Reduced |
| Segall Bryant & Hamill, LLC | 108,247 | $3.42M | 0.05% | −2,768−2.5% | Reduced |
| Royal Bank of Canada | 100,559 | $3.17M | 0.00% | −58,565−36.8% | Reduced |
| Horizon Investments, LLC | 100,482 | $3.15M | 0.04% | +98,010+3,964.8% | Added |
| MetLife Investment Management | 98,917 | $3.12M | 0.02% | −897−0.9% | Reduced |
| Oliver Luxxe Assets LLC | 98,414 | $3.11M | 0.47% | −525−0.5% | Reduced |
| Schonfeld Strategic Advisors LLC | 97,955 | $3.09M | 0.03% | +97,955 | New |
| Campbell Newman Asset Management Inc | 96,831 | $3.06M | 0.25% | +1,732+1.8% | Added |
| Brinker Capital Investments, LLC | 95,913 | $3.03M | 0.03% | −23,263−19.5% | Reduced |
| Citigroup Inc | 95,272 | $3.01M | 0.00% | −93−0.1% | Reduced |
| Captrust Financial Advisors | 94,515 | $2.98M | 0.01% | +35,370+59.8% | Added |
| Tudor Investment Corp Et Al | 93,600 | $2.95M | 0.02% | −32,240−25.6% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 90,186 | $2.85M | 0.01% | +7,006+8.4% | Added |
| Illinois Municipal Retirement Fund | 88,583 | $2.80M | 0.04% | −182,309−67.3% | Reduced |
| Wedge Capital Management L L P | 85,925 | $2.71M | 0.05% | +16,770+24.2% | Added |
| State of New Jersey Common Pension Fund D | 83,048 | $2.62M | 0.01% | −12,010−12.6% | Reduced |
| Wesbanco Bank Inc | 82,138 | $2.59M | 0.07% | 00.0% | Unchanged |
| Entropy Technologies, LP | 81,810 | $2.58M | 0.12% | +27,756+51.3% | Added |
| Jones Financial Companies LLLP | 79,141 | $2.56M | 0.00% | +78,100+7,502.4% | Added |
| LPL Financial LLC | 80,613 | $2.54M | 0.00% | +43,968+120.0% | Added |
| Louisiana State Employees Retirement System | 80,200 | $2.53M | 0.04% | −3,700−4.4% | Reduced |
| Empowered Funds, LLC | 78,683 | $2.48M | 0.02% | +78,683 | New |
| Aster Capital Management (DIFC) Ltd | 95,544 | $2.41M | 0.79% | +91,345+2,175.4% | Added |
| Castleark Management LLC | 74,790 | $2.36M | 0.08% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 74,721 | $2.36M | 0.01% | +26,600+55.3% | Added |
| Vanguard Global Advisers, LLC | 73,328 | $2.31M | 0.00% | +73,328 | New |
| Fifth Third Bancorp | 72,696 | $2.29M | 0.00% | +71,833+8,323.6% | Added |
| Mitsubishi UFJ Asset Management (UK) Ltd. | 72,000 | $2.27M | 1.17% | +72,000 | New |
| Hilton Capital Management, LLC | 70,828 | $2.24M | 0.17% | +8,943+14.5% | Added |
| CoreCommodity Management, LLC | 70,522 | $2.23M | 0.41% | −12,900−15.5% | Reduced |
| Toroso Investments, LLC | 69,550 | $2.20M | 0.01% | −47,558−40.6% | Reduced |
| Holocene Advisors, LP | 68,884 | $2.17M | 0.01% | +68,884 | New |
| Public Employees Retirement System of Ohio | 68,470 | $2.16M | 0.01% | +202+0.3% | Added |
| Balyasny Asset Management LLC | 64,518 | $2.04M | 0.00% | −743,470−92.0% | Reduced |
| Argent Capital Management LLC | 63,895 | $2.02M | 0.06% | +21,206+49.7% | Added |
| Albert D Mason Inc | 61,976 | $1.96M | 1.27% | +373+0.6% | Added |
| GF Fund Management Co. Ltd. | 61,031 | $1.93M | 0.03% | +7,416+13.8% | Added |
| Wealth Enhancement Advisory Services, LLC | 61,864 | $1.92M | 0.00% | +145+0.2% | Added |
| New York State Common Retirement Fund | 59,100 | $1.87M | 0.00% | +59,100 | New |
| October Effect Ltd | 58,680 | $1.85M | 2.13% | +58,680 | New |
| New York State Teachers Retirement System | 57,500 | $1.81M | 0.00% | −6,303−9.9% | Reduced |
| Canada Pension Plan Investment Board | 56,200 | $1.77M | 0.00% | −1,000−1.7% | Reduced |
| KLP Kapitalforvaltning AS | 55,800 | $1.76M | 0.01% | +1,400+2.6% | Added |
| Federation des caisses Desjardins du Quebec | 54,169 | $1.71M | 0.01% | −10,176−15.8% | Reduced |
| Aquatic Capital Management LLC | 53,619 | $1.69M | 0.05% | +31,972+147.7% | Added |
| Amalgamated Bank | 51,894 | $1.64M | 0.01% | −1,273−2.4% | Reduced |
| Mariner, LLC | 50,961 | $1.61M | 0.00% | +17,583+52.7% | Added |
| Gotham Asset Management, LLC | 49,818 | $1.57M | 0.00% | −2,401−4.6% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 49,372 | $1.56M | 0.01% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 48,978 | $1.55M | 0.10% | −27,694−36.1% | Reduced |
| Yousif Capital Management, LLC | 48,825 | $1.54M | 0.02% | −596−1.2% | Reduced |
| Arizona State Retirement System | 48,368 | $1.53M | 0.01% | −366−0.8% | Reduced |
| Vanguard Investments Australia, Ltd. | 46,309 | $1.46M | 0.00% | +46,309 | New |
| Teachers Retirement System of the State of Kentucky | 46,062 | $1.45M | 0.01% | −600−1.3% | Reduced |
| Oak Family Advisors, LLC | 45,920 | $1.45M | 0.45% | −1,700−3.6% | Reduced |
| Vident Advisory, LLC | 45,791 | $1.45M | 0.01% | +45,791 | New |
| Hunter Perkins Capital Management, LLC | 45,226 | $1.43M | 0.33% | +2,216+5.2% | Added |
| Gabelli Funds LLC | 44,979 | $1.42M | 0.01% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 44,972 | $1.42M | 0.23% | −34,084−43.1% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 44,731 | $1.41M | 0.01% | −612−1.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 44,584 | $1.41M | 0.00% | +9,080+25.6% | Added |
| Oppenheimer Asset Management Inc. | 44,314 | $1.40M | 0.02% | +1,234+2.9% | Added |
| SG Americas Securities, LLC | 43,348 | $1.37M | 0.00% | −48,570−52.8% | Reduced |
| Oregon Public Employees Retirement Fund | 41,353 | $1.31M | 0.02% | −522−1.2% | Reduced |
| The PNC Financial Services Group, Inc. | 41,283 | $1.30M | 0.00% | −1,502−3.5% | Reduced |
| Jacobs Levy Equity Management, Inc | 39,286 | $1.24M | 0.01% | +657+1.7% | Added |
| Intech Investment Management LLC | 39,096 | $1.23M | 0.01% | −24,840−38.9% | Reduced |
| D. E. Shaw & Co., Inc. | 39,058 | $1.23M | 0.00% | −237,716−85.9% | Reduced |
| Bosman Wealth Management, LLC | 39,039 | $1.23M | 1.08% | −3,216−7.6% | Reduced |
| FORA Capital, LLC | 38,653 | $1.22M | 0.09% | +38,653 | New |
| Sterling Capital Management LLC | 37,994 | $1.20M | 0.02% | −47,578−55.6% | Reduced |
| Voya Investment Management LLC | 36,491 | $1.15M | 0.00% | +4,134+12.8% | Added |
| Truist Financial Corp | 36,412 | $1.15M | 0.00% | +2,259+6.6% | Added |
| Stifel Financial Corp | 35,996 | $1.14M | 0.00% | −984−2.7% | Reduced |
| Gallacher Capital Management LLC | 35,383 | $1.12M | 0.43% | +7,683+27.7% | Added |
| Glenmede Trust Co NA | 34,261 | $1.08M | 0.01% | +1,049+3.2% | Added |
| Skopos Labs, Inc. | 31,919 | $1.01M | 0.03% | +10,419+48.5% | Added |
| Unison Advisors LLC | 31,215 | $985.5K | 0.07% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 31,206 | $985.2K | 0.00% | +2,225+7.7% | Added |
| Quantbot Technologies LP | 30,767 | $971.3K | 0.04% | +30,767 | New |
| Bank of Montreal | 30,587 | $965.6K | 0.00% | +716+2.4% | Added |
| O'Shaughnessy Asset Management, LLC | 30,386 | $959.3K | 0.00% | −1,132−3.6% | Reduced |
| ProShare Advisors LLC | 28,169 | $889.3K | 0.00% | −7,060−20.0% | Reduced |
| New Age Alpha Advisors, LLC | 27,405 | $865.2K | 0.04% | −667−2.4% | Reduced |
| Maryland State Retirement & Pension System | 26,363 | $832.3K | 0.02% | −505−1.9% | Reduced |