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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, Q3 2021

Institutional positions in Magnolia Oil & Gas Corp as of Sep 30, 2021. 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
240
+37 vs. Q2 2021
Shares held
181.4M
+924.2K (+0.5%) vs. Q2 2021
Total value
$3.23B
+$400.7M (+14.2%) vs. Q2 2021
New holders
57
74 more added
Sold out
20
80 more reduced

3 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 holdersQ3 2021: 240 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 heldQ3 2021: $3.23B
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, Q3 2021

Shares, value and share of portfolio for each institution holding Magnolia Oil & Gas Corp; share changes are against Q2 2021.

Institutions holding MGY in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Price T Rowe Associates Inc20,359,785$362.2M0.03%+1,768,595+9.5%Added
EnerVest, Ltd.18,735,406$333.3M100.00%−4,268,820−18.6%Reduced
Vanguard Group Inc15,767,531$280.5M0.01%+730,160+4.9%Added
FMR LLC11,433,192$203.4M0.02%+211,343+1.9%Added
BlackRock Inc.10,324,686$183.7M0.01%−498,621−4.6%Reduced
Silvercrest Asset Management Group LLC5,996,029$106.7M0.72%−45,826−0.8%Reduced
Wasatch Advisors Inc5,361,528$95.4M0.39%−1,231,911−18.7%Reduced
Wells Fargo & Company5,350,448$95.2M0.02%−14,597−0.3%Reduced
Macquarie Group Ltd5,245,308$93.3M0.08%+1,422,475+37.2%Added
State Street Corp4,926,394$87.6M0.00%−67,735−1.4%Reduced
Wellington Management Group LLP4,485,115$79.8M0.01%−2,447,695−35.3%Reduced
Goldman Sachs Group Inc3,968,930$70.6M0.02%−34,681−0.9%Reduced
GW&K Investment Management, LLC3,524,084$62.7M0.56%+20,013+0.6%Added
Massachusetts Financial Services Co3,410,791$60.7M0.02%−1,028,880−23.2%Reduced
Janus Henderson Group PLC3,145,140$56.0M0.02%+3,145,140New
Nuveen Asset Management, LLC2,683,920$47.7M0.01%−592,438−18.1%Reduced
Geode Capital Management, LLC2,420,041$43.1M0.01%+20,329+0.8%Added
Two Sigma Advisers, LP2,342,700$41.7M0.11%−363,000−13.4%Reduced
Stephens Investment Management Group LLC2,248,247$40.0M0.54%+2,248,247New
Systematic Financial Management LP2,136,091$38.0M1.18%+50,590+2.4%Added
Gilder Gagnon Howe & Co LLC1,988,220$35.4M0.18%+1,078,296+118.5%Added
Two Sigma Investments, LP1,875,077$33.4M0.09%−649,943−25.7%Reduced
Capital International Investors1,632,000$29.0M0.01%−368,000−18.4%Reduced
Manufacturers Life Insurance Company, The1,513,131$26.9M0.02%+254,825+20.3%Added
Northern Trust Corp1,498,242$26.7M0.00%−52,176−3.4%Reduced
Dimensional Fund Advisors LP1,429,472$25.4M0.01%+573,658+67.0%Added
Royal Bank of Canada1,425,107$25.4M0.01%+157,866+12.5%Added
Charles Schwab Investment Management Inc1,388,937$24.7M0.01%−9,328−0.7%Reduced
Fred Alger Management, LLC1,300,580$23.1M0.06%−50,064−3.7%Reduced
King Luther Capital Management Corp1,265,915$22.5M0.11%+110,030+9.5%Added
Federated Hermes, Inc.1,244,316$22.1M0.04%+384,352+44.7%Added
JPMorgan Chase & Co1,169,875$20.8M0.00%−380,585−24.5%Reduced
Victory Capital Management Inc1,159,755$20.6M0.02%−141,323−10.9%Reduced
Bank of America Corp1,126,514$20.0M0.00%+52,828+4.9%Added
Aventail Capital Group, LP1,076,013$19.1M5.62%+1,076,013New
Driehaus Capital Management LLC1,048,806$18.7M0.22%−275,278−20.8%Reduced
Rothschild & Co Asset Management US Inc.1,038,160$18.5M0.23%−128,254−11.0%Reduced
State of Wisconsin Investment Board1,016,515$18.1M0.04%−66,850−6.2%Reduced
Parametric Portfolio Associates LLC1,001,991$17.8M0.01%+41,399+4.3%Added
Lazard Asset Management LLC958,471$17.1M0.02%+214,193+28.8%Added
D. E. Shaw & Co., Inc.952,387$16.9M0.02%−98,015−9.3%Reduced
First Trust Advisors LP867,437$15.4M0.02%+56,187+6.9%Added
Ghisallo Capital Management LLC800,000$14.2M0.54%+800,000New
Ziegler Capital Management, LLC686,821$12.2M0.44%+436,732+174.6%Added
Wedge Capital Management L L P686,311$12.2M0.16%−31,785−4.4%Reduced
Clearbridge Investments, LLC685,884$12.2M0.01%+685,884New
Millennium Management LLC665,546$11.8M0.02%−821,807−55.3%Reduced
Phocas Financial Corp.665,497$11.8M1.50%+4,806+0.7%Added
Invesco Ltd.592,899$10.5M0.00%−278,105−31.9%Reduced
Avalon Investment & Advisory590,317$10.5M0.24%+15,564+2.7%Added
Bank of New York Mellon Corp535,818$9.53M0.00%+38,715+7.8%Added
STRS Ohio534,900$9.52M0.04%+528,500+8,257.8%Added
Westwood Holdings Group Inc.442,311$7.87M0.09%+442,311New
SIR Capital Management, L.P.425,672$7.57M1.11%−440,170−50.8%Reduced
Putnam Investments LLC408,360$7.26M0.01%−30,040−6.9%Reduced
Prudential Financial Inc348,054$6.19M0.01%−66,241−16.0%Reduced
Deutsche Bank AG320,925$5.71M0.00%−25,973−7.5%Reduced
Carlson Capital L P314,735$5.60M0.30%+70,000+28.6%Added
Swiss National Bank310,300$5.52M0.00%+1,500+0.5%Added
Caas Capital Management LP300,000$5.34M0.40%−305,375−50.4%Reduced
Intrinsic Edge Capital Management LLC291,225$5.18M0.36%−229,238−44.0%Reduced
Elm Ridge Management, LLC255,103$4.54M6.30%+77,939+44.0%Added
Raymond James & Associates253,910$4.52M0.00%−29,984−10.6%Reduced
Jacobs Levy Equity Management, Inc251,213$4.47M0.03%+251,213New
Point72 Asset Management, L.P.247,800$4.41M0.02%+247,800New
Hudson Bay Capital Management LP241,960$4.30M0.06%+241,960New
Morgan Stanley237,370$4.22M0.00%−79,776−25.2%Reduced
Comerica Bank188,829$3.96M0.02%−3,282−1.7%Reduced
SEI Investments Co219,465$3.90M0.01%−102,581−31.9%Reduced
Credit Suisse AG209,612$3.73M0.00%+9,581+4.8%Added
Maven Securities LTD200,000$3.56M0.41%−606,424−75.2%Reduced
California State Teachers Retirement System190,268$3.38M0.00%−1,487−0.8%Reduced
Rafferty Asset Management, LLC189,673$3.37M0.02%+6,378+3.5%Added
New York State Common Retirement Fund180,249$3.21M0.00%−32,577−15.3%Reduced
Alliancebernstein L.P.177,000$3.15M0.00%00.0%Unchanged
Neuberger Berman Group LLC177,742$3.14M0.00%+177,742New
Lisanti Capital Growth, LLC160,265$2.85M0.42%−50,140−23.8%Reduced
Zacks Investment Management159,079$2.83M0.04%+159,079New
Employees Retirement System of Texas159,000$2.83M0.03%+159,000New
Rhumbline Advisers156,678$2.79M0.00%+5,958+4.0%Added
HRT Financial LP156,005$2.77M0.02%+156,005New
TD Asset Management Inc147,787$2.63M0.00%−5,826−3.8%Reduced
First Republic Investment Management, Inc.142,180$2.53M0.01%+17,498+14.0%Added
Allianz Asset Management GmbH138,888$2.47M0.00%+5,788+4.3%Added
Element Capital Management LLC132,408$2.36M1.03%+132,408New
Canada Pension Plan Investment Board129,000$2.29M0.00%−100,000−43.7%Reduced
CoreCommodity Management, LLC128,541$2.29M0.64%−486−0.4%Reduced
Oak Family Advisors, LLC126,910$2.26M1.19%+126,910New
Teachers Retirement System of the State of Kentucky118,078$2.10M0.02%00.0%Unchanged
Legal & General Group Plc115,764$2.06M0.00%+27,506+31.2%Added
Natixis Advisors, L.P.114,528$2.04M0.01%−42,491−27.1%Reduced
Russell Investments Group, Ltd.111,789$1.99M0.00%+24,027+27.4%Added
Castleark Management LLC111,000$1.98M0.08%+111,000New
CastleArk Alternatives, LLC111,000$1.98M0.08%+111,000New
UBS Asset Management Americas Inc109,089$1.94M0.00%−9,020−7.6%Reduced
Yaupon Capital Management LP100,000$1.78M1.13%+100,000New
Citigroup Inc98,936$1.76M0.00%−57,348−36.7%Reduced
Barclays PLC97,350$1.73M0.00%+74,996+335.5%Added
AMG National Trust Bank94,798$1.69M0.05%−21,983−18.8%Reduced
Ergoteles LLC91,804$1.63M0.06%+91,804New