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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 2026

Institutional positions in Magnolia Oil & Gas Corp as of Jun 30, 2026. 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
411
+12 vs. Q1 2026
Shares held
205.5M
+8.50M (+4.3%) vs. Q1 2026
Total value
$5.28B
−$890.8M (−14.4%) vs. Q1 2026
New holders
59
161 more added
Sold out
47
142 more reduced

7 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 411 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 2026: $5.28B
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 2026

Shares, value and share of portfolio for each institution holding Magnolia Oil & Gas Corp; share changes are against Q1 2026.

Institutions holding MGY in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Royal Bank of Canada139,992$3.58M0.00%+39,433+39.2%Added
Pathstone Holdings, LLC130,193$3.33M0.01%−12,342−8.7%Reduced
Natixis Advisors, L.P.128,627$3.29M0.00%+17,591+15.8%Added
State Board of Administration of Florida Retirement System123,730$3.17M0.01%−18,181−12.8%Reduced
Mirae Asset Global ETFs Holdings Ltd.122,150$3.12M0.00%−15,741−11.4%Reduced
Thrivent Financial for Lutherans121,449$3.11M0.01%+715+0.6%Added
Public Employees Retirement System of Ohio120,293$3.08M0.01%+51,823+75.7%Added
Citigroup Inc119,285$3.05M0.00%+24,013+25.2%Added
Bridgeway Capital Management, LLC112,500$2.88M0.05%00.0%Unchanged
Kingsview Wealth Management, LLC112,327$2.87M0.03%+112,327New
Harbor Capital Advisors, Inc.110,051$2.81M0.19%−3,070−2.7%Reduced
Graham Capital Management, L.P.109,540$2.80M0.08%+109,540New
Horizon Investments, LLC109,799$2.79M0.03%+9,317+9.3%Added
MetLife Investment Management108,323$2.77M0.01%+9,406+9.5%Added
Anchor Capital Advisors LLC107,403$2.75M0.08%−1,068−1.0%Reduced
HSBC Holdings PLC102,302$2.63M0.00%−30,154−22.8%Reduced
Campbell Newman Asset Management Inc101,236$2.59M0.19%+4,405+4.5%Added
Segall Bryant & Hamill, LLC100,949$2.58M0.03%−7,298−6.7%Reduced
Hilton Capital Management, LLC98,701$2.52M0.17%+27,873+39.4%Added
Captrust Financial Advisors98,469$2.52M0.00%+3,954+4.2%Added
Toroso Investments, LLC93,383$2.39M0.01%+23,833+34.3%Added
Brinker Capital Investments, LLC92,934$2.38M0.02%−2,979−3.1%Reduced
Jones Financial Companies LLLP88,612$2.37M0.00%+9,471+12.0%Added
Illinois Municipal Retirement Fund92,507$2.37M0.03%+3,924+4.4%Added
Jump Financial, LLC91,875$2.35M0.02%+91,875New
Man Group plc89,554$2.29M0.00%−114,767−56.2%Reduced
State of Alaska, Department of Revenue87,913$2.25M0.02%−28,353−24.4%Reduced
Wedge Capital Management L L P82,159$2.10M0.03%−3,766−4.4%Reduced
Wesbanco Bank Inc82,138$2.10M0.05%00.0%Unchanged
Louisiana State Employees Retirement System81,100$2.07M0.03%+900+1.1%Added
State of New Jersey Common Pension Fund D78,728$2.01M0.01%−4,320−5.2%Reduced
Elo Mutual Pension Insurance Co77,331$1.98M0.03%+56,048+263.3%Added
State of Tennessee, Treasury Department76,821$1.97M0.01%+2,100+2.8%Added
Castleark Management LLC74,790$1.91M0.05%00.0%Unchanged
LPL Financial LLC73,422$1.88M0.00%−7,191−8.9%Reduced
CoreCommodity Management, LLC71,816$1.84M0.37%+1,294+1.8%Added
Vanguard Global Advisers, LLC69,349$1.77M0.00%−3,979−5.4%Reduced
Holocene Advisors, LP66,693$1.71M0.00%−2,191−3.2%Reduced
New York State Common Retirement Fund66,500$1.70M0.00%+7,400+12.5%Added
BNP Paribas Arbitrage, SA65,561$1.68M0.00%−185,885−73.9%Reduced
Quantbot Technologies LP64,445$1.65M0.07%+33,678+109.5%Added
Albert D Mason Inc62,227$1.59M0.90%+251+0.4%Added
Mitsubishi UFJ Asset Management (UK) Ltd.62,000$1.59M0.74%−10,000−13.9%Reduced
Oliver Luxxe Assets LLC60,651$1.55M0.23%−37,763−38.4%Reduced
Entropy Technologies, LP59,909$1.53M0.06%−21,901−26.8%Reduced
Wealth Enhancement Advisory Services, LLC59,233$1.53M0.00%−2,631−4.3%Reduced
Balyasny Asset Management LLC58,214$1.49M0.00%−6,304−9.8%Reduced
KLP Kapitalforvaltning AS58,100$1.49M0.00%+2,300+4.1%Added
Connor, Clark & Lunn Investment Management Ltd.57,017$1.46M0.00%−192,302−77.1%Reduced
Planning Project LLC53,409$1.43M0.29%+53,409New
Police & Firemen's Retirement System of New Jersey54,883$1.40M0.01%+5,511+11.2%Added
New York State Teachers Retirement System54,601$1.40M0.00%−2,899−5.0%Reduced
Quantinno Capital Management LP53,470$1.37M0.00%−81,759−60.5%Reduced
Mariner, LLC50,562$1.29M0.00%−399−0.8%Reduced
Gabelli Funds LLC50,000$1.28M0.01%+5,021+11.2%Added
Arizona State Retirement System49,947$1.28M0.01%+1,579+3.3%Added
Amalgamated Bank49,712$1.27M0.01%−2,182−4.2%Reduced
Yousif Capital Management, LLC49,349$1.26M0.01%+524+1.1%Added
Zurcher Kantonalbank (Zurich Cantonalbank)48,087$1.23M0.00%+3,503+7.9%Added
Federation des caisses Desjardins du Quebec47,372$1.21M0.00%−6,797−12.5%Reduced
D. E. Shaw & Co., Inc.47,342$1.21M0.00%+8,284+21.2%Added
Dark Forest Capital Management LP47,071$1.20M0.08%+24,577+109.3%Added
Vanguard Investments Australia, Ltd.46,309$1.18M0.00%00.0%Unchanged
Oak Family Advisors, LLC45,820$1.17M0.34%−100−0.2%Reduced
Hunter Perkins Capital Management, LLC45,226$1.16M0.26%00.0%Unchanged
Teachers Retirement System of the State of Kentucky45,062$1.15M0.01%−1,000−2.2%Reduced
Glenmede Trust Co NA44,002$1.13M0.00%+9,741+28.4%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys43,858$1.12M0.01%−873−2.0%Reduced
Intech Investment Management LLC43,806$1.12M0.01%+4,710+12.0%Added
O'Shaughnessy Asset Management, LLC42,986$1.10M0.01%+12,600+41.5%Added
Bridgewater Associates, LP42,881$1.10M0.00%+42,881New
The PNC Financial Services Group, Inc.42,874$1.10M0.00%+1,591+3.9%Added
Oppenheimer Asset Management Inc.42,800$1.09M0.01%−1,514−3.4%Reduced
Voya Investment Management LLC42,463$1.09M0.00%+5,972+16.4%Added
GF Fund Management Co. Ltd.42,083$1.08M0.01%−18,948−31.0%Reduced
Freestone Grove Partners LP42,013$1.07M0.01%+31,475+298.7%Added
Oregon Public Employees Retirement Fund41,953$1.07M0.01%+600+1.5%Added
Argent Capital Management LLC39,454$1.01M0.03%−24,441−38.3%Reduced
Truist Financial Corp38,253$978.5K0.00%+1,841+5.1%Added
Bosman Wealth Management, LLC38,038$973.0K0.60%−1,001−2.6%Reduced
Jacobs Levy Equity Management, Inc37,985$971.7K0.00%−1,301−3.3%Reduced
Fulcrum Asset Management LLP36,392$936.4K0.09%+36,392New
Inceptionr LLC35,604$910.8K0.22%+35,604New
Stifel Financial Corp35,442$906.6K0.00%−554−1.5%Reduced
Sterling Capital Management LLC33,597$859.4K0.01%−4,397−11.6%Reduced
Magnetar Financial LLC32,068$820.3K0.01%+32,068New
Unison Advisors LLC31,390$803.0K0.06%+175+0.6%Added
Bank of Montreal31,286$800.3K0.00%+699+2.3%Added
Cetera Investment Advisers29,229$747.7K0.00%+11,680+66.6%Added
Pictet Asset Management Holding SA28,129$719.5K0.00%−3,077−9.9%Reduced
Teacher Retirement System of Texas27,935$714.6K0.00%+2,271+8.8%Added
Tower Research Capital LLC (TRC)27,755$710.0K0.02%+2,952+11.9%Added
Mercer Global Advisors Inc27,686$708.2K0.00%+8,671+45.6%Added
Sig Brokerage, LP27,123$693.8K0.11%+27,123New
Maryland State Retirement & Pension System27,024$691.3K0.01%+661+2.5%Added
Brevan Howard Capital Management LP26,953$689.5K0.01%−101,151−79.0%Reduced
Gotham Asset Management, LLC26,646$681.6K0.00%−23,172−46.5%Reduced
ProShare Advisors LLC26,527$678.6K0.00%−1,642−5.8%Reduced
Omers Administration Corp26,300$672.8K0.00%+2,100+8.7%Added
October Effect Ltd25,990$664.8K0.63%−32,690−55.7%Reduced