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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 2025

Institutional positions in Magnolia Oil & Gas Corp as of Jun 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
385
−18 vs. Q1 2025
Shares held
215.8M
−2.09M (−1.0%) vs. Q1 2025
Total value
$4.85B
−$649.2M (−11.8%) vs. Q1 2025
New holders
41
142 more added
Sold out
59
160 more reduced

4 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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.

Institutional holdersQ2 2025: 385 institutions
Q1 2021: 190 institutionsQ2 2021: 206 institutionsQ3 2021: 240 institutionsQ4 2021: 234 institutionsQ1 2022: 251 institutionsQ2 2022: 283 institutionsQ3 2022: 280 institutionsQ4 2022: 295 institutionsQ1 2023: 276 institutionsQ2 2023: 281 institutionsQ3 2023: 288 institutionsQ4 2023: 297 institutionsQ1 2024: 323 institutionsQ2 2024: 347 institutionsQ3 2024: 367 institutionsQ4 2024: 383 institutionsQ1 2025: 407 institutionsQ2 2025: 385 institutionsQ3 2025: 373 institutionsQ4 2025: 379 institutionsQ1 2026: 406 institutionsQ2 2026: 411 institutions
Value heldQ2 2025: $4.85B
Q1 2021: $2.07BQ2 2021: $2.83BQ3 2021: $3.23BQ4 2021: $3.55BQ1 2022: $4.47BQ2 2022: $4.14BQ3 2022: $3.83BQ4 2022: $4.56BQ1 2023: $4.37BQ2 2023: $4.14BQ3 2023: $4.41BQ4 2023: $4.19BQ1 2024: $5.78BQ2 2024: $5.60BQ3 2024: $5.44BQ4 2024: $5.15BQ1 2025: $5.51BQ2 2025: $4.85BQ3 2025: $4.92BQ4 2025: $4.37BQ1 2026: $6.39BQ2 2026: $5.28B
Institutions holding MGY and their total value by quarter
QuarterHoldersValue
Q2 2026411$5.28B
Q1 2026406$6.39B
Q4 2025379$4.37B
Q3 2025373$4.92B
Q2 2025385$4.85B
Q1 2025407$5.51B
Q4 2024383$5.15B
Q3 2024367$5.44B
Q2 2024347$5.60B
Q1 2024323$5.78B
Q4 2023297$4.19B
Q3 2023288$4.41B
Q2 2023281$4.14B
Q1 2023276$4.37B
Q4 2022295$4.56B
Q3 2022280$3.83B
Q2 2022283$4.14B
Q1 2022251$4.47B
Q4 2021234$3.55B
Q3 2021240$3.23B
Q2 2021206$2.83B
Q1 2021190$2.07B

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Magnolia Oil & Gas Corp; share changes are against Q1 2025.

Institutions holding MGY in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Allworth Financial LP5,058$113.7K0.00%+18+0.4%Added
KBC Group NV5,105$115.0K0.00%−2,652−34.2%Reduced
Arlington Trust Co LLC5,320$119.6K0.02%00.0%Unchanged
New Age Alpha Advisors, LLC5,547$124.7K0.01%−707−11.3%Reduced
CIBC Private Wealth Group, LLC6,001$134.9K0.00%+5,789+2,730.7%Added
Shell Asset Management Co9,361$210.0K0.01%−1,855−16.5%Reduced
Guggenheim Capital LLC9,392$211.1K0.00%−689−6.8%Reduced
Isthmus Partners, LLC9,490$213.3K0.02%00.0%Unchanged
IFP Advisors, Inc9,531$215.7K0.01%−3,399−26.3%Reduced
Kapitalo Investimentos Ltda9,965$224.0K0.05%+9,965New
Marathon Capital Management10,000$224.8K0.06%00.0%Unchanged
Loring Wolcott & Coolidge Fiduciary Advisors LLP10,000$224.8K0.00%00.0%Unchanged
Envestnet Portfolio Solutions, Inc.10,052$226.0K0.00%−1,449−12.6%Reduced
JustInvest LLC10,163$228.5K0.00%−204−2.0%Reduced
CIBC Asset Management Inc10,212$229.6K0.00%00.0%Unchanged
CWM, LLC10,361$233.0K0.00%+7,565+270.6%Added
Cetera Investment Advisers10,509$236.2K0.00%−2,218−17.4%Reduced
Canandaigua National Bank & Trust Co10,577$237.8K0.02%−86−0.8%Reduced
Qsemble Capital Management, LP10,656$239.5K0.02%−327−3.0%Reduced
Elo Mutual Pension Insurance Co10,785$242.4K0.00%−26,523−71.1%Reduced
MML Investors Services, LLC10,818$243.0K0.00%−1,293−10.7%Reduced
US Bancorp10,909$245.2K0.00%−168−1.5%Reduced
Fulton Bank, N.A.11,252$252.9K0.01%−65−0.6%Reduced
Catalyst Funds Management Pty Ltd11,376$255.7K0.07%−41,184−78.4%Reduced
Legato Capital Management LLC11,497$258.5K0.03%00.0%Unchanged
Peirce Capital Management, LLC11,731$263.7K0.12%+11,731New
Caxton Associates LLP11,863$266.7K0.01%+11,863New
Aigen Investment Management, LP12,119$272.4K0.04%−24,948−67.3%Reduced
Vista Finance, LLC12,134$272.8K0.24%+471+4.0%Added
Park Avenue Securities LLC12,365$278.0K0.00%−621−4.8%Reduced
Walleye Capital LLC12,457$280.0K0.00%+12,457New
Stock Yards Bank & Trust Co12,600$283.2K0.01%00.0%Unchanged
Lido Advisors, LLC12,949$291.1K0.00%+2,897+28.8%Added
Buckingham Strategic Partners13,156$295.8K0.00%+13,156New
111 Capital14,066$316.2K0.05%+14,066New
Xponance, Inc.14,397$323.6K0.00%+1,346+10.3%Added
HighTower Advisors, LLC15,027$337.8K0.00%−825−5.2%Reduced
Simplex Trading, LLC15,101$339.0K0.01%+15,101New
Bokf, NA15,229$342.3K0.01%−2,007−11.6%Reduced
Tyche Wealth Partners LLC15,445$347.2K0.07%+15,445New
Coldstream Capital Management Inc15,455$347.4K0.01%−837−5.1%Reduced
Advisors Asset Management, Inc.15,472$347.8K0.01%+1,575+11.3%Added
Wiley Bros.-Aintree Capital, LLC16,186$363.9K0.00%+1,775+12.3%Added
Ritholtz Wealth Management16,218$364.6K0.01%+16,218New
FMR LLC16,526$371.5K0.00%−24,218−59.4%Reduced
Jackson Creek Investment Advisors LLC16,738$376.0K0.10%−45,572−73.1%Reduced
Resources Investment Advisors, LLC.16,807$377.8K0.00%+729+4.5%Added
Lombard Odier Asset Management (USA) Corp17,749$399.0K0.10%+17,749New
Readystate Asset Management LP18,071$406.2K0.02%+18,071New
Sanctuary Advisors, LLC18,105$407.0K0.00%−1,844−9.2%Reduced
GTS Securities LLC18,400$413.6K0.02%−7,655−29.4%Reduced
Quantinno Capital Management LP18,560$417.2K0.00%+4,340+30.5%Added
ISAM Funds (UK) Ltd18,595$418.0K0.09%−30,307−62.0%Reduced
Regions Financial Corp18,620$418.6K0.00%+9,125+96.1%Added
Ameritas Investment Partners, Inc.19,032$427.8K0.01%+1,511+8.6%Added
James Investment Research Inc19,221$432.1K0.05%00.0%Unchanged
Cynosure Management, LLC19,242$432.6K0.05%+4,204+28.0%Added
Tower Research Capital LLC (TRC)20,109$452.1K0.01%−5,194−20.5%Reduced
Keybank National Association20,134$452.6K0.00%−3,907−16.3%Reduced
Aviva PLC20,550$462.0K0.00%−4,723−18.7%Reduced
Schonfeld Strategic Advisors LLC21,134$475.1K0.00%−316,718−93.7%Reduced
Horizon Investments, LLC21,770$486.3K0.01%+21,770New
Public Employees Retirement Association of Colorado22,191$499.0K0.00%00.0%Unchanged
SG Americas Securities, LLC22,677$510.0K0.00%+13,874+157.6%Added
CIBC World Markets Corp22,968$516.3K0.00%−15,463−40.2%Reduced
Jennison Associates LLC23,147$520.3K0.00%−28−0.1%Reduced
Commerce Bank23,172$520.9K0.00%00.0%Unchanged
Mutual of America Capital Management LLC24,016$539.9K0.01%−3,803−13.7%Reduced
Fiduciary Trust Co24,326$546.8K0.01%−1,395−5.4%Reduced
Gsa Capital Partners LLP24,941$561.0K0.04%−2,705−9.8%Reduced
Penserra Capital Management LLC25,130$564.0K0.01%−10,976−30.4%Reduced
M&T Bank Corp25,108$564.1K0.00%−1,116−4.3%Reduced
Systematic Alpha Investments, LLC25,400$571.0K0.02%00.0%Unchanged
Atria Investments LLC26,692$600.0K0.01%+888+3.4%Added
Pictet Asset Management Holding SA26,787$602.2K0.00%−1,522−5.4%Reduced
ExodusPoint Capital Management, LP27,677$622.0K0.01%−585,150−95.5%Reduced
Vident Advisory, LLC28,932$650.4K0.01%+1,088+3.9%Added
Mackenzie Financial Corp29,322$659.2K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA29,432$661.6K0.00%+8,395+39.9%Added
Henshaw Capital LLC30,065$675.9K0.03%00.0%Unchanged
LPL Financial LLC31,735$713.4K0.00%+1,365+4.5%Added
Glenmede Investment Management, LP33,416$751.2K0.00%+33,416New
Group One Trading, L.P.33,918$762.5K0.02%+28,596+537.3%Added
Doheny Asset Management34,250$770.0K0.54%00.0%Unchanged
Perbak Capital Partners LLP34,872$783.9K0.18%+23,687+211.8%Added
Vestcor Inc35,381$795.0K0.02%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)35,504$798.1K0.00%+6,189+21.1%Added
MQS Management LLC35,507$798.2K0.44%+35,507New
O'Shaughnessy Asset Management, LLC35,630$801.0K0.01%+23,986+206.0%Added
Stifel Financial Corp36,143$812.5K0.00%+4,702+15.0%Added
Centiva Capital, LP37,792$849.6K0.06%+37,792New
Graham Capital Management, L.P.38,005$854.4K0.03%+38,005New
Susquehanna Portfolio Strategies, LLC38,400$863.2K0.02%−3,180−7.6%Reduced
Oppenheimer Asset Management Inc.39,766$893.9K0.01%+809+2.1%Added
CI Private Wealth, LLC41,506$933.0K0.00%−38,903−48.4%Reduced
ProShare Advisors LLC41,617$935.5K0.00%+495+1.2%Added
Mariner, LLC41,876$941.4K0.00%−4,446−9.6%Reduced
Police & Firemen's Retirement System of New Jersey42,032$944.9K0.01%+5,156+14.0%Added
Jacobs Levy Equity Management, Inc42,148$947.5K0.00%−3,216−7.1%Reduced
Oregon Public Employees Retirement Fund42,541$956.3K0.02%−1,200−2.7%Reduced