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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
Lazard Asset Management LLC958,471$17.1M0.02%+214,193+28.8%Added
Parametric Portfolio Associates LLC1,001,991$17.8M0.01%+41,399+4.3%Added
State of Wisconsin Investment Board1,016,515$18.1M0.04%−66,850−6.2%Reduced
Rothschild & Co Asset Management US Inc.1,038,160$18.5M0.23%−128,254−11.0%Reduced
Driehaus Capital Management LLC1,048,806$18.7M0.22%−275,278−20.8%Reduced
Aventail Capital Group, LP1,076,013$19.1M5.62%+1,076,013New
Bank of America Corp1,126,514$20.0M0.00%+52,828+4.9%Added
Victory Capital Management Inc1,159,755$20.6M0.02%−141,323−10.9%Reduced
JPMorgan Chase & Co1,169,875$20.8M0.00%−380,585−24.5%Reduced
Federated Hermes, Inc.1,244,316$22.1M0.04%+384,352+44.7%Added
King Luther Capital Management Corp1,265,915$22.5M0.11%+110,030+9.5%Added
Fred Alger Management, LLC1,300,580$23.1M0.06%−50,064−3.7%Reduced
Charles Schwab Investment Management Inc1,388,937$24.7M0.01%−9,328−0.7%Reduced
Royal Bank of Canada1,425,107$25.4M0.01%+157,866+12.5%Added
Dimensional Fund Advisors LP1,429,472$25.4M0.01%+573,658+67.0%Added
Northern Trust Corp1,498,242$26.7M0.00%−52,176−3.4%Reduced
Manufacturers Life Insurance Company, The1,513,131$26.9M0.02%+254,825+20.3%Added
Capital International Investors1,632,000$29.0M0.01%−368,000−18.4%Reduced
Two Sigma Investments, LP1,875,077$33.4M0.09%−649,943−25.7%Reduced
Gilder Gagnon Howe & Co LLC1,988,220$35.4M0.18%+1,078,296+118.5%Added
Systematic Financial Management LP2,136,091$38.0M1.18%+50,590+2.4%Added
Stephens Investment Management Group LLC2,248,247$40.0M0.54%+2,248,247New
Two Sigma Advisers, LP2,342,700$41.7M0.11%−363,000−13.4%Reduced
Geode Capital Management, LLC2,420,041$43.1M0.01%+20,329+0.8%Added
Nuveen Asset Management, LLC2,683,920$47.7M0.01%−592,438−18.1%Reduced
Janus Henderson Group PLC3,145,140$56.0M0.02%+3,145,140New
Massachusetts Financial Services Co3,410,791$60.7M0.02%−1,028,880−23.2%Reduced
GW&K Investment Management, LLC3,524,084$62.7M0.56%+20,013+0.6%Added
Goldman Sachs Group Inc3,968,930$70.6M0.02%−34,681−0.9%Reduced
Wellington Management Group LLP4,485,115$79.8M0.01%−2,447,695−35.3%Reduced
State Street Corp4,926,394$87.6M0.00%−67,735−1.4%Reduced
Macquarie Group Ltd5,245,308$93.3M0.08%+1,422,475+37.2%Added
Wells Fargo & Company5,350,448$95.2M0.02%−14,597−0.3%Reduced
Wasatch Advisors Inc5,361,528$95.4M0.39%−1,231,911−18.7%Reduced
Silvercrest Asset Management Group LLC5,996,029$106.7M0.72%−45,826−0.8%Reduced
BlackRock Inc.10,324,686$183.7M0.01%−498,621−4.6%Reduced
FMR LLC11,433,192$203.4M0.02%+211,343+1.9%Added
Vanguard Group Inc15,767,531$280.5M0.01%+730,160+4.9%Added
EnerVest, Ltd.18,735,406$333.3M100.00%−4,268,820−18.6%Reduced
Price T Rowe Associates Inc20,359,785$362.2M0.03%+1,768,595+9.5%Added
Hartree Partners, LP0$00.00%−280,000−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−240,666−100.0%Sold out
State of New Jersey Common Pension Fund D0$00.00%−203,796−100.0%Sold out
Hancock Whitney Corp0$00.00%−174,461−100.0%Sold out
Nicholas Investment Partners, LP0$00.00%−150,000−100.0%Sold out
Atom Investors LP0$00.00%−66,051−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−46,661−100.0%Sold out
Schroder Investment Management Group0$00.00%−36,893−100.0%Sold out
Paloma Partners Management Co0$00.00%−34,189−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−26,286−100.0%Sold out
Quantbot Technologies LP0$00.00%−21,282−100.0%Sold out
Virginia Retirement Systems Et Al0$00.00%−16,900−100.0%Sold out
WealthShield Partners, LLC0$00.00%−15,924−100.0%Sold out
Quadrature Capital Ltd0$00.00%−14,343−100.0%Sold out
Pinz Capital Management, LP0$00.00%−10,758−100.0%Sold out
XTX Topco Ltd0$00.00%−10,742−100.0%Sold out
New York State Teachers Retirement System0$00.00%−10,600−100.0%Sold out
Harbour Investments, Inc.0$00.00%−1,300−100.0%Sold out
Advisory Services Network, LLC0$00.00%−260−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−16−100.0%Sold out
QS Investors, LLC––––Not filed
Smith Asset Management Group LP––––Not filed
CWM, LLC––––Not filed