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, Q3 2025
Institutional positions in Magnolia Oil & Gas Corp as of Sep 30, 2025. 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
- 373
- −9 vs. Q2 2025
- Shares held
- 206.2M
- −9.61M (−4.5%) vs. Q2 2025
- Total value
- $4.92B
- +$68.7M (+1.4%) vs. Q2 2025
- New holders
- 36
- 132 more added
- Sold out
- 45
- 151 more reduced
3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Magnolia Oil & Gas Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Atria Investments LLC | 24,897 | $594.3K | 0.01% | −1,795−6.7% | Reduced |
| Fiduciary Trust Co | 24,326 | $580.7K | 0.01% | 00.0% | Unchanged |
| Jennison Associates LLC | 23,875 | $569.9K | 0.00% | +728+3.1% | Added |
| Semanteon Capital Management, LP | 23,771 | $567.4K | 0.71% | +23,771 | New |
| James Investment Research Inc | 23,646 | $564.4K | 0.06% | +4,425+23.0% | Added |
| EntryPoint Capital, LLC | 23,498 | $560.9K | 0.22% | +23,498 | New |
| FMR LLC | 23,351 | $557.4K | 0.00% | +6,825+41.3% | Added |
| Horizon Investments, LLC | 23,347 | $557.3K | 0.01% | +1,577+7.2% | Added |
| Penserra Capital Management LLC | 22,019 | $525.0K | 0.01% | −3,111−12.4% | Reduced |
| Henshaw Capital LLC | 21,905 | $522.9K | 0.02% | −8,160−27.1% | Reduced |
| Mutual of America Capital Management LLC | 20,756 | $495.4K | 0.01% | −3,260−13.6% | Reduced |
| Neuberger Berman Group LLC | 20,751 | $495.3K | 0.00% | −415,090−95.2% | Reduced |
| GTS Securities LLC | 20,378 | $486.4K | 0.02% | +1,978+10.8% | Added |
| Sequoia Financial Advisors, LLC | 19,999 | $477.4K | 0.00% | +19,999 | New |
| CIBC Bancorp USA Inc. | 19,871 | $474.3K | 0.00% | +19,871 | New |
| Nomura Holdings Inc | 19,609 | $468.1K | 0.00% | +19,609 | New |
| Keybank National Association | 19,474 | $464.8K | 0.00% | −660−3.3% | Reduced |
| Aviva PLC | 19,466 | $464.7K | 0.00% | −1,084−5.3% | Reduced |
| Cynosure Management, LLC | 19,242 | $459.3K | 0.05% | 00.0% | Unchanged |
| Sanctuary Advisors, LLC | 18,514 | $441.9K | 0.00% | +409+2.3% | Added |
| Regions Financial Corp | 18,011 | $429.9K | 0.00% | −609−3.3% | Reduced |
| Ritholtz Wealth Management | 17,522 | $418.3K | 0.01% | +1,304+8.0% | Added |
| Commerce Bank | 17,282 | $412.5K | 0.00% | −5,890−25.4% | Reduced |
| Resources Investment Advisors, LLC. | 16,826 | $401.6K | 0.00% | +19+0.1% | Added |
| Jackson Creek Investment Advisors LLC | 16,708 | $399.0K | 0.12% | −30−0.2% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 16,167 | $385.9K | 0.00% | −19−0.1% | Reduced |
| Cetera Investment Advisers | 16,061 | $383.4K | 0.00% | +5,552+52.8% | Added |
| Coldstream Capital Management Inc | 15,937 | $380.4K | 0.01% | +482+3.1% | Added |
| Lido Advisors, LLC | 15,810 | $377.4K | 0.00% | +2,861+22.1% | Added |
| Ameritas Investment Partners, Inc. | 15,573 | $371.7K | 0.01% | −3,459−18.2% | Reduced |
| Tyche Wealth Partners LLC | 15,445 | $368.7K | 0.06% | 00.0% | Unchanged |
| Bokf, NA | 15,307 | $365.4K | 0.01% | +78+0.5% | Added |
| Advisors Asset Management, Inc. | 14,873 | $355.0K | 0.01% | −599−3.9% | Reduced |
| Xponance, Inc. | 14,533 | $346.9K | 0.00% | +136+0.9% | Added |
| Graham Capital Management, L.P. | 14,342 | $342.3K | 0.01% | −23,663−62.3% | Reduced |
| CWM, LLC | 14,190 | $339.0K | 0.00% | +3,829+37.0% | Added |
| Park Avenue Securities LLC | 13,114 | $313.0K | 0.00% | +749+6.1% | Added |
| Stock Yards Bank & Trust Co | 12,600 | $300.8K | 0.01% | 00.0% | Unchanged |
| Simplex Trading, LLC | 12,053 | $287.0K | 0.01% | −3,048−20.2% | Reduced |
| Peirce Capital Management, LLC | 11,731 | $280.0K | 0.12% | 00.0% | Unchanged |
| Twinbeech Capital LP | 11,526 | $275.1K | 0.01% | −36,665−76.1% | Reduced |
| Legato Capital Management LLC | 11,497 | $274.4K | 0.03% | 00.0% | Unchanged |
| Fulton Bank, N.A. | 11,162 | $266.4K | 0.01% | −90−0.8% | Reduced |
| Quantedge Capital Pte Ltd | 10,600 | $253.0K | 0.14% | +10,600 | New |
| US Bancorp | 10,595 | $252.9K | 0.00% | −314−2.9% | Reduced |
| Catalyst Funds Management Pty Ltd | 10,576 | $252.4K | 0.04% | −800−7.0% | Reduced |
| Canandaigua National Bank & Trust Co | 10,536 | $251.5K | 0.02% | −41−0.4% | Reduced |
| MML Investors Services, LLC | 10,506 | $250.8K | 0.00% | −312−2.9% | Reduced |
| JustInvest LLC | 10,206 | $243.6K | 0.00% | +43+0.4% | Added |
| Public Employees Retirement Association of Colorado | 10,106 | $241.0K | 0.00% | −12,085−54.5% | Reduced |
| Marathon Capital Management | 10,000 | $238.7K | 0.05% | 00.0% | Unchanged |
| Walleye Capital LLC | 9,991 | $238.5K | 0.00% | −2,466−19.8% | Reduced |
| CIBC Asset Management Inc | 9,938 | $237.2K | 0.00% | −274−2.7% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 10,000 | $236.4K | 0.00% | 00.0% | Unchanged |
| Vista Finance, LLC | 9,578 | $228.6K | 0.15% | −2,556−21.1% | Reduced |
| Isthmus Partners, LLC | 9,538 | $227.7K | 0.05% | +48+0.5% | Added |
| Two Sigma Securities, LLC | 9,527 | $227.4K | 0.03% | +9,527 | New |
| HB Wealth Management, LLC | 9,512 | $227.1K | 0.00% | +9,512 | New |
| Guggenheim Capital LLC | 9,461 | $225.8K | 0.00% | +69+0.7% | Added |
| Diametric Capital, LP | 9,446 | $225.5K | 0.08% | +9,446 | New |
| Engineers Gate Manager LP | 9,283 | $221.6K | 0.00% | −127,582−93.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 9,146 | $218.3K | 0.00% | −11,988−56.7% | Reduced |
| Evergreen Capital Management LLC | 8,655 | $206.6K | 0.00% | +8,655 | New |
| Fox Run Management, L.L.C. | 8,649 | $206.5K | 0.03% | +8,649 | New |
| Axq Capital, LP | 8,597 | $205.2K | 0.08% | +8,597 | New |
| Retirement Guys Formula LLC | 8,508 | $203.1K | 0.07% | +8,508 | New |
| Profund Advisors LLC | 8,458 | $201.9K | 0.01% | +8,458 | New |
| IFP Advisors, Inc | 7,931 | $189.3K | 0.00% | −1,600−16.8% | Reduced |
| Covestor Ltd | 7,563 | $181.0K | 0.10% | +3,661+93.8% | Added |
| Hantz Financial Services, Inc. | 7,568 | $181.0K | 0.00% | +6,627+704.3% | Added |
| Tower Research Capital LLC (TRC) | 6,567 | $156.8K | 0.00% | −13,542−67.3% | Reduced |
| Rockefeller Capital Management L.P. | 6,420 | $153.3K | 0.00% | +6,420 | New |
| CIBC Private Wealth Group, LLC | 6,174 | $147.4K | 0.00% | +173+2.9% | Added |
| GAMMA Investing LLC | 5,677 | $135.5K | 0.01% | +668+13.3% | Added |
| New Age Alpha Advisors, LLC | 5,441 | $129.9K | 0.01% | −106−1.9% | Reduced |
| Arlington Trust Co LLC | 5,320 | $127.0K | 0.02% | 00.0% | Unchanged |
| KBC Group NV | 5,105 | $122.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 4,779 | $116.3K | 0.00% | +416+9.5% | Added |
| Quadrant Capital Group LLC | 4,807 | $114.7K | 0.00% | +4,807 | New |
| Allworth Financial LP | 4,698 | $112.1K | 0.00% | −360−7.1% | Reduced |
| Wolverine Asset Management LLC | 4,472 | $106.7K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 4,445 | $106.1K | 0.00% | +52+1.2% | Added |
| Farther Finance Advisors, LLC | 4,284 | $102.3K | 0.00% | +500+13.2% | Added |
| Smartleaf Asset Management LLC | 4,202 | $101.6K | 0.01% | +691+19.7% | Added |
| Shell Asset Management Co | 3,554 | $85.0K | 0.01% | −5,807−62.0% | Reduced |
| Nisa Investment Advisors, LLC | 3,003 | $71.7K | 0.00% | +720+31.5% | Added |
| Public Employees Retirement System of Ohio | 2,950 | $70.4K | 0.00% | +405+15.9% | Added |
| Independence Bank of Kentucky | 2,900 | $69.2K | 0.01% | 00.0% | Unchanged |
| Ci Investments Inc. | 2,412 | $58.0K | 0.00% | −757−23.9% | Reduced |
| Quest Partners LLC | 2,149 | $51.3K | 0.00% | −76,196−97.3% | Reduced |
| Assetmark, Inc | 2,065 | $49.3K | 0.00% | +57+2.8% | Added |
| Geneos Wealth Management Inc. | 2,000 | $47.7K | 0.00% | −212−9.6% | Reduced |
| Ancora Advisors, LLC | 2,000 | $47.7K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 1,772 | $42.3K | 0.00% | +386+27.8% | Added |
| Mather Group, LLC. | 1,280 | $30.6K | 0.00% | +1,280 | New |
| Harbor Capital Advisors, Inc. | 1,274 | $30.0K | 0.00% | −124−8.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 1,190 | $28.4K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 1,004 | $24.0K | 0.00% | +771+330.9% | Added |
| Optimum Investment Advisors | 1,000 | $23.9K | 0.01% | 00.0% | Unchanged |
| Huntington National Bank | 991 | $23.7K | 0.00% | −45−4.3% | Reduced |