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 |
|---|---|---|---|---|---|
| CIBC Private Wealth Group, LLC | 6,174 | $147.4K | 0.00% | +173+2.9% | Added |
| Rockefeller Capital Management L.P. | 6,420 | $153.3K | 0.00% | +6,420 | New |
| Tower Research Capital LLC (TRC) | 6,567 | $156.8K | 0.00% | −13,542−67.3% | 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 |
| IFP Advisors, Inc | 7,931 | $189.3K | 0.00% | −1,600−16.8% | Reduced |
| Profund Advisors LLC | 8,458 | $201.9K | 0.01% | +8,458 | New |
| Retirement Guys Formula LLC | 8,508 | $203.1K | 0.07% | +8,508 | New |
| Axq Capital, LP | 8,597 | $205.2K | 0.08% | +8,597 | New |
| Fox Run Management, L.L.C. | 8,649 | $206.5K | 0.03% | +8,649 | New |
| Evergreen Capital Management LLC | 8,655 | $206.6K | 0.00% | +8,655 | New |
| Schonfeld Strategic Advisors LLC | 9,146 | $218.3K | 0.00% | −11,988−56.7% | Reduced |
| Engineers Gate Manager LP | 9,283 | $221.6K | 0.00% | −127,582−93.2% | Reduced |
| Diametric Capital, LP | 9,446 | $225.5K | 0.08% | +9,446 | New |
| Guggenheim Capital LLC | 9,461 | $225.8K | 0.00% | +69+0.7% | Added |
| HB Wealth Management, LLC | 9,512 | $227.1K | 0.00% | +9,512 | New |
| Two Sigma Securities, LLC | 9,527 | $227.4K | 0.03% | +9,527 | New |
| Isthmus Partners, LLC | 9,538 | $227.7K | 0.05% | +48+0.5% | Added |
| Vista Finance, LLC | 9,578 | $228.6K | 0.15% | −2,556−21.1% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 10,000 | $236.4K | 0.00% | 00.0% | Unchanged |
| CIBC Asset Management Inc | 9,938 | $237.2K | 0.00% | −274−2.7% | Reduced |
| Walleye Capital LLC | 9,991 | $238.5K | 0.00% | −2,466−19.8% | Reduced |
| Marathon Capital Management | 10,000 | $238.7K | 0.05% | 00.0% | Unchanged |
| Public Employees Retirement Association of Colorado | 10,106 | $241.0K | 0.00% | −12,085−54.5% | Reduced |
| JustInvest LLC | 10,206 | $243.6K | 0.00% | +43+0.4% | Added |
| MML Investors Services, LLC | 10,506 | $250.8K | 0.00% | −312−2.9% | Reduced |
| Canandaigua National Bank & Trust Co | 10,536 | $251.5K | 0.02% | −41−0.4% | Reduced |
| Catalyst Funds Management Pty Ltd | 10,576 | $252.4K | 0.04% | −800−7.0% | Reduced |
| US Bancorp | 10,595 | $252.9K | 0.00% | −314−2.9% | Reduced |
| Quantedge Capital Pte Ltd | 10,600 | $253.0K | 0.14% | +10,600 | New |
| Fulton Bank, N.A. | 11,162 | $266.4K | 0.01% | −90−0.8% | Reduced |
| Legato Capital Management LLC | 11,497 | $274.4K | 0.03% | 00.0% | Unchanged |
| Twinbeech Capital LP | 11,526 | $275.1K | 0.01% | −36,665−76.1% | Reduced |
| Peirce Capital Management, LLC | 11,731 | $280.0K | 0.12% | 00.0% | Unchanged |
| Simplex Trading, LLC | 12,053 | $287.0K | 0.01% | −3,048−20.2% | Reduced |
| Stock Yards Bank & Trust Co | 12,600 | $300.8K | 0.01% | 00.0% | Unchanged |
| Park Avenue Securities LLC | 13,114 | $313.0K | 0.00% | +749+6.1% | Added |
| CWM, LLC | 14,190 | $339.0K | 0.00% | +3,829+37.0% | Added |
| Graham Capital Management, L.P. | 14,342 | $342.3K | 0.01% | −23,663−62.3% | Reduced |
| Xponance, Inc. | 14,533 | $346.9K | 0.00% | +136+0.9% | Added |
| Advisors Asset Management, Inc. | 14,873 | $355.0K | 0.01% | −599−3.9% | Reduced |
| Bokf, NA | 15,307 | $365.4K | 0.01% | +78+0.5% | Added |
| Tyche Wealth Partners LLC | 15,445 | $368.7K | 0.06% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 15,573 | $371.7K | 0.01% | −3,459−18.2% | Reduced |
| Lido Advisors, LLC | 15,810 | $377.4K | 0.00% | +2,861+22.1% | Added |
| Coldstream Capital Management Inc | 15,937 | $380.4K | 0.01% | +482+3.1% | Added |
| Cetera Investment Advisers | 16,061 | $383.4K | 0.00% | +5,552+52.8% | Added |
| Wiley Bros.-Aintree Capital, LLC | 16,167 | $385.9K | 0.00% | −19−0.1% | Reduced |
| Jackson Creek Investment Advisors LLC | 16,708 | $399.0K | 0.12% | −30−0.2% | Reduced |
| Resources Investment Advisors, LLC. | 16,826 | $401.6K | 0.00% | +19+0.1% | Added |
| Commerce Bank | 17,282 | $412.5K | 0.00% | −5,890−25.4% | Reduced |
| Ritholtz Wealth Management | 17,522 | $418.3K | 0.01% | +1,304+8.0% | Added |
| Regions Financial Corp | 18,011 | $429.9K | 0.00% | −609−3.3% | Reduced |
| Sanctuary Advisors, LLC | 18,514 | $441.9K | 0.00% | +409+2.3% | Added |
| Cynosure Management, LLC | 19,242 | $459.3K | 0.05% | 00.0% | Unchanged |
| Aviva PLC | 19,466 | $464.7K | 0.00% | −1,084−5.3% | Reduced |
| Keybank National Association | 19,474 | $464.8K | 0.00% | −660−3.3% | Reduced |
| Nomura Holdings Inc | 19,609 | $468.1K | 0.00% | +19,609 | New |
| CIBC Bancorp USA Inc. | 19,871 | $474.3K | 0.00% | +19,871 | New |
| Sequoia Financial Advisors, LLC | 19,999 | $477.4K | 0.00% | +19,999 | New |
| GTS Securities LLC | 20,378 | $486.4K | 0.02% | +1,978+10.8% | Added |
| Neuberger Berman Group LLC | 20,751 | $495.3K | 0.00% | −415,090−95.2% | Reduced |
| Mutual of America Capital Management LLC | 20,756 | $495.4K | 0.01% | −3,260−13.6% | Reduced |
| Henshaw Capital LLC | 21,905 | $522.9K | 0.02% | −8,160−27.1% | Reduced |
| Penserra Capital Management LLC | 22,019 | $525.0K | 0.01% | −3,111−12.4% | Reduced |
| Horizon Investments, LLC | 23,347 | $557.3K | 0.01% | +1,577+7.2% | Added |
| FMR LLC | 23,351 | $557.4K | 0.00% | +6,825+41.3% | Added |
| EntryPoint Capital, LLC | 23,498 | $560.9K | 0.22% | +23,498 | New |
| James Investment Research Inc | 23,646 | $564.4K | 0.06% | +4,425+23.0% | Added |
| Semanteon Capital Management, LP | 23,771 | $567.4K | 0.71% | +23,771 | New |
| Jennison Associates LLC | 23,875 | $569.9K | 0.00% | +728+3.1% | Added |
| Fiduciary Trust Co | 24,326 | $580.7K | 0.01% | 00.0% | Unchanged |
| Atria Investments LLC | 24,897 | $594.3K | 0.01% | −1,795−6.7% | Reduced |
| M&T Bank Corp | 25,223 | $602.3K | 0.00% | +115+0.5% | Added |
| Quantinno Capital Management LP | 26,189 | $625.1K | 0.00% | +7,629+41.1% | Added |
| Maryland State Retirement & Pension System | 26,638 | $635.8K | 0.01% | −28,303−51.5% | Reduced |
| Pictet Asset Management Holding SA | 26,787 | $639.4K | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 27,459 | $655.4K | 0.00% | −1,075,348−97.5% | Reduced |
| Glenmede Investment Management, LP | 28,195 | $673.0K | 0.00% | −5,221−15.6% | Reduced |
| Commonwealth Equity Services, LLC | 28,342 | $677.0K | 0.00% | −15,954−36.0% | Reduced |
| Inceptionr LLC | 28,655 | $684.0K | 0.17% | +28,655 | New |
| Mackenzie Financial Corp | 28,836 | $688.3K | 0.00% | −486−1.7% | Reduced |
| Bank of Montreal | 30,303 | $723.3K | 0.00% | −17,257−36.3% | Reduced |
| XTX Topco Ltd | 31,337 | $748.0K | 0.04% | +31,337 | New |
| Gallacher Capital Management LLC | 32,165 | $767.8K | 0.30% | +32,165 | New |
| CI Private Wealth, LLC | 32,317 | $771.4K | 0.00% | −9,189−22.1% | Reduced |
| Group One Trading, L.P. | 32,727 | $781.2K | 0.02% | −1,191−3.5% | Reduced |
| Voya Investment Management LLC | 33,155 | $791.4K | 0.00% | −764,349−95.8% | Reduced |
| LPL Financial LLC | 33,918 | $809.6K | 0.00% | +2,183+6.9% | Added |
| Doheny Asset Management | 34,250 | $818.0K | 0.52% | 00.0% | Unchanged |
| Susquehanna Fundamental Investments, LLC | 34,637 | $826.8K | 0.03% | −83,040−70.6% | Reduced |
| ProShare Advisors LLC | 35,090 | $837.6K | 0.00% | −6,527−15.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 35,504 | $847.5K | 0.00% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 35,811 | $854.8K | 0.06% | −178,400−83.3% | Reduced |
| Oppenheimer Asset Management Inc. | 36,173 | $863.5K | 0.01% | −3,593−9.0% | Reduced |
| Stifel Financial Corp | 36,395 | $868.8K | 0.00% | +252+0.7% | Added |
| Mariner, LLC | 37,768 | $901.5K | 0.00% | −4,108−9.8% | Reduced |
| ExodusPoint Capital Management, LP | 38,600 | $921.4K | 0.01% | +10,923+39.5% | Added |
| Meritage Portfolio Management | 39,238 | $936.6K | 0.06% | −18,866−32.5% | Reduced |
| Jacobs Levy Equity Management, Inc | 39,630 | $946.0K | 0.00% | −2,518−6.0% | Reduced |