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 |
|---|---|---|---|---|---|
| Pinnacle Wealth Planning Services, Inc. | 3,958 | $125.0K | 0.01% | +166+4.4% | Added |
| Farther Finance Advisors, LLC | 4,484 | $135.3K | 0.00% | −679−13.2% | Reduced |
| Signaturefd, LLC | 4,365 | $137.8K | 0.00% | −64−1.4% | Reduced |
| Quadrant Capital Group LLC | 4,826 | $152.4K | 0.00% | +518+12.0% | Added |
| Allworth Financial LP | 5,189 | $163.8K | 0.00% | +566+12.2% | Added |
| Advisor Group Holdings, Inc. | 5,267 | $166.3K | 0.00% | +1,146+27.8% | Added |
| Ameritas Advisory Services, LLC | 5,408 | $170.7K | 0.01% | +5,408 | New |
| SBI Okasan Asset Management Co.Ltd. | 5,600 | $179.9K | 0.01% | 00.0% | Unchanged |
| Virtus Investment Advisers, Inc. | 6,090 | $192.3K | 0.05% | −1,369−18.4% | Reduced |
| DGS Capital Management, LLC | 6,376 | $201.3K | 0.03% | +6,376 | New |
| Empirical Asset Management, LLC | 6,387 | $201.6K | 0.05% | +6,387 | New |
| Crossmark Global Holdings, Inc. | 6,564 | $207.2K | 0.00% | +6,564 | New |
| KBC Group NV | 6,583 | $208.0K | 0.00% | +1,478+29.0% | Added |
| GAMMA Investing LLC | 6,875 | $217.0K | 0.01% | +745+12.2% | Added |
| Caitlin John, LLC | 7,049 | $222.5K | 0.13% | −7,992−53.1% | Reduced |
| Vise Technologies, Inc. | 10,452 | $228.8K | 0.00% | 00.0% | Unchanged |
| Walleye Trading LLC | 7,258 | $229.1K | 0.00% | +7,258 | New |
| Janney Montgomery Scott LLC | 7,363 | $232.0K | 0.00% | +7,363 | New |
| Ethic Inc. | 7,621 | $240.6K | 0.00% | +7,621 | New |
| Ballentine Partners, LLC | 7,731 | $244.1K | 0.00% | +7,731 | New |
| RSM US Wealth Management LLC | 7,951 | $251.0K | 0.00% | +7,951 | New |
| IFP Advisors, Inc | 8,181 | $258.3K | 0.01% | −40.0% | Reduced |
| AMG National Trust Bank | 8,320 | $262.7K | 0.01% | +8,320 | New |
| Engineers Gate Manager LP | 8,450 | $266.8K | 0.00% | +8,450 | New |
| Ritter Alpha, LP | 8,450 | $266.8K | 5.58% | +8,450 | New |
| Merit Financial Group, LLC | 8,578 | $270.8K | 0.00% | +8,578 | New |
| Vista Finance, LLC | 8,650 | $273.1K | 0.22% | +8,650 | New |
| Retirement Guys Formula LLC | 8,976 | $283.4K | 0.13% | +8,976 | New |
| Canandaigua National Corp | 9,254 | $292.1K | 0.03% | +9,254 | New |
| HighTower Advisors, LLC | 9,277 | $292.9K | 0.00% | +9,277 | New |
| JustInvest LLC | 9,311 | $293.9K | 0.00% | −152−1.6% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 10,000 | $299.0K | 0.00% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 9,603 | $303.0K | 0.00% | −579,883−98.4% | Reduced |
| Isthmus Partners, LLC | 9,609 | $303.4K | 0.03% | −8−0.1% | Reduced |
| US Bancorp | 9,832 | $310.4K | 0.00% | −25,226−72.0% | Reduced |
| Stock Yards Bank & Trust Co | 9,883 | $312.0K | 0.01% | −2,685−21.4% | Reduced |
| Fieldview Capital Management, LLC | 9,903 | $312.6K | 0.09% | −310−3.0% | Reduced |
| Profund Advisors LLC | 9,955 | $314.3K | 0.01% | −12,405−55.5% | Reduced |
| Marathon Capital Management | 10,000 | $315.7K | 0.07% | 00.0% | Unchanged |
| Mangrove Partners | 10,032 | $316.7K | 0.03% | +10,032 | New |
| Public Employees Retirement Association of Colorado | 10,106 | $319.0K | 0.00% | 00.0% | Unchanged |
| DnB Asset Management AS | 10,129 | $319.8K | 0.00% | +10,129 | New |
| Freestone Grove Partners LP | 10,538 | $332.7K | 0.00% | +10,538 | New |
| Callan Family Office, LLC | 10,748 | $339.3K | 0.01% | −396−3.6% | Reduced |
| Aigen Investment Management, LP | 10,766 | $339.9K | 0.09% | +10,766 | New |
| Rockefeller Capital Management L.P. | 10,829 | $341.9K | 0.00% | +2,960+37.6% | Added |
| Greenleaf Trust | 10,842 | $342.3K | 0.00% | −21−0.2% | Reduced |
| Brucke Financial, Inc. | 10,873 | $343.3K | 0.17% | +10,873 | New |
| State of Wyoming | 10,877 | $343.4K | 0.04% | +2,188+25.2% | Added |
| Wiley Bros.-Aintree Capital, LLC | 10,985 | $346.8K | 0.00% | −3,201−22.6% | Reduced |
| Fulton Bank, N.A. | 11,369 | $358.9K | 0.01% | −114−1.0% | Reduced |
| Advisors Asset Management, Inc. | 11,688 | $369.0K | 0.01% | −1,381−10.6% | Reduced |
| Bleakley Financial Group, LLC | 11,857 | $374.3K | 0.01% | +11,857 | New |
| Hantz Financial Services, Inc. | 12,165 | $384.0K | 0.01% | −1,684−12.2% | Reduced |
| GTS Securities LLC | 12,187 | $384.7K | 0.01% | +12,187 | New |
| HB Wealth Management, LLC | 12,311 | $388.7K | 0.00% | +1,522+14.1% | Added |
| Sanctuary Advisors, LLC | 12,744 | $402.3K | 0.00% | +868+7.3% | Added |
| Acadian Asset Management LLC | 12,825 | $404.0K | 0.00% | +12,825 | New |
| Coldstream Capital Management Inc | 12,857 | $405.9K | 0.01% | +3,678+40.1% | Added |
| Resonant Capital Advisors, LLC | 13,512 | $426.6K | 0.02% | −145−1.1% | Reduced |
| Vestcor Inc | 13,974 | $441.0K | 0.01% | 00.0% | Unchanged |
| Bokf, NA | 13,988 | $441.6K | 0.01% | −1,066−7.1% | Reduced |
| Park Avenue Securities LLC | 14,171 | $447.0K | 0.00% | +1,459+11.5% | Added |
| STRS Ohio | 14,300 | $451.5K | 0.00% | −77,600−84.4% | Reduced |
| Resources Investment Advisors, LLC. | 14,491 | $457.5K | 0.00% | −1,491−9.3% | Reduced |
| DRW Securities, LLC | 14,536 | $458.9K | 0.02% | +3,120+27.3% | Added |
| Ameritas Investment Partners, Inc. | 14,700 | $464.1K | 0.01% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 14,859 | $469.1K | 0.00% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 14,887 | $470.0K | 0.00% | +14,887 | New |
| MML Investors Services, LLC | 14,963 | $472.4K | 0.00% | +2,777+22.8% | Added |
| Federated Hermes, Inc. | 15,148 | $478.2K | 0.00% | +11,763+347.5% | Added |
| CIBC Bancorp USA Inc. | 15,238 | $481.1K | 0.00% | +15,238 | New |
| AdvisorShares Investments LLC | 15,360 | $484.9K | 0.09% | +15,360 | New |
| Tyche Wealth Partners LLC | 15,445 | $487.6K | 0.08% | 00.0% | Unchanged |
| Lido Advisors, LLC | 15,730 | $496.6K | 0.00% | −467−2.9% | Reduced |
| Ritholtz Wealth Management | 15,994 | $504.9K | 0.01% | +4,038+33.8% | Added |
| Xponance, Inc. | 16,669 | $526.2K | 0.00% | +2,574+18.3% | Added |
| IMC-Chicago, LLC | 16,958 | $535.4K | 0.01% | +16,958 | New |
| Simplex Trading, LLC | 16,976 | $535.9K | 0.02% | +16,976 | New |
| Commerce Bank | 17,066 | $538.8K | 0.00% | −351−2.0% | Reduced |
| CIBC Asset Management Inc | 17,201 | $543.0K | 0.00% | −622−3.5% | Reduced |
| Cetera Investment Advisers | 17,549 | $554.0K | 0.00% | +867+5.2% | Added |
| Keybank National Association | 17,682 | $558.2K | 0.00% | −1,433−7.5% | Reduced |
| Swiss Life Asset Management Ltd | 17,944 | $566.5K | 0.00% | +17,944 | New |
| Regions Financial Corp | 18,172 | $573.7K | 0.00% | −710−3.8% | Reduced |
| CWM, LLC | 18,744 | $591.7K | 0.00% | +5,634+43.0% | Added |
| Mercer Global Advisors Inc | 19,015 | $600.3K | 0.00% | +7,129+60.0% | Added |
| M&T Bank Corp | 20,573 | $649.8K | 0.00% | −176−0.8% | Reduced |
| Mutual of America Capital Management LLC | 20,700 | $653.5K | 0.01% | −233−1.1% | Reduced |
| Elo Mutual Pension Insurance Co | 21,283 | $671.9K | 0.01% | +21,283 | New |
| Los Angeles Capital Management LLC | 21,323 | $673.2K | 0.00% | +20,422+2,266.6% | Added |
| FMR LLC | 21,785 | $687.8K | 0.00% | +326+1.5% | Added |
| Susquehanna Portfolio Strategies, LLC | 22,259 | $702.7K | 0.01% | −16,141−42.0% | Reduced |
| Dark Forest Capital Management LP | 22,494 | $710.1K | 0.06% | −65,935−74.6% | Reduced |
| Commonwealth Equity Services, LLC | 22,707 | $716.9K | 0.00% | −1,399−5.8% | Reduced |
| EntryPoint Capital, LLC | 23,498 | $741.8K | 0.22% | 00.0% | Unchanged |
| James Investment Research Inc | 23,736 | $749.3K | 0.08% | +77+0.3% | Added |
| Sequoia Financial Advisors, LLC | 23,866 | $753.5K | 0.00% | +12,174+104.1% | Added |
| Royce & Associates LP | 24,090 | $760.5K | 0.01% | 00.0% | Unchanged |
| Omers Administration Corp | 24,200 | $764.0K | 0.00% | +24,200 | New |