Magnolia Oil & Gas Corp - COMMON STOCK (MGY) Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2018 to Q4 2025

Type / Class
Equity / COMMON STOCK
Symbol
MGY on NYSE
Shares outstanding
184,576,596
Price per share
$21.89
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
206,139,696
Total reported value
$4,921,023,426
% of total 13F portfolios
0%
Share change
-9,746,473
Value change
-$227,293,801
Number of holders
370
Price from insider filings
$21.89
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Magnolia Oil & Gas Corp - COMMON STOCK (MGY) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 14% $589,581,498 27,207,268 BlackRock, Inc. 31 Mar 2025
STATE STREET CORP 4.7% $207,074,637 8,675,100 STATE STREET CORPORATION 30 Sep 2025
FIRST TRUST PORTFOLIOS LP 1.8% -82% $73,923,001 -$335,308,470 3,411,306 -82% First Trust Portfolios L.P. 31 Mar 2025

As of 30 Sep 2025, 370 institutional investors reported holding 206,139,696 shares of Magnolia Oil & Gas Corp - COMMON STOCK (MGY). This represents 112% of the company’s total 184,576,596 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Magnolia Oil & Gas Corp - COMMON STOCK (MGY) together control 82% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 15% 27,443,348 -0.45% 0.01% $655,072,739
VANGUARD GROUP INC 11% 19,875,856 -1.9% 0.01% $474,436,682
AMERICAN CENTURY COMPANIES INC 6.4% 11,887,655 +0.22% 0.14% $283,758,372
STATE STREET CORP 4.7% 8,675,100 -11% 0.01% $207,074,637
DIMENSIONAL FUND ADVISORS LP 3.5% 6,369,713 +4.7% 0.03% $152,051,267
JANUS HENDERSON GROUP PLC 3.4% 6,355,219 -1.5% 0.07% $151,699,471
T. Rowe Price Investment Management, Inc. 3% 5,576,462 -0.35% 0.08% $133,111,000
MACQUARIE GROUP LTD 2.9% 5,381,675 -8.4% 0.15% $128,461,000
WELLINGTON MANAGEMENT GROUP LLP 2.8% 5,225,168 +2.2% 0.02% $124,724,760
ALLIANCEBERNSTEIN L.P. 2.5% 4,658,667 -2.4% 0.04% $111,202,381
GEODE CAPITAL MANAGEMENT, LLC 2.4% 4,520,985 -0.24% 0.01% $107,937,780
TD Asset Management Inc 2.4% 4,478,361 +56% 0.09% $106,898,477
Epoch Investment Partners, Inc. 2.2% 4,138,626 +59% 0.54% $98,789,002
VICTORY CAPITAL MANAGEMENT INC 2.1% 3,958,502 -8.8% 0.06% $94,489,443
Boston Trust Walden Corp 2.1% 3,942,736 -1.5% 0.69% $94,113,109
SILVERCREST ASSET MANAGEMENT GROUP LLC 1.9% 3,590,433 -2% 0.57% $85,703,697
BANK OF AMERICA CORP /DE/ 1.8% 3,240,001 -24% 0.01% $77,338,811
GOLDMAN SACHS GROUP INC 1.7% 3,139,382 -19% 0.01% $74,937,040
Allspring Global Investments Holdings, LLC 1.7% 3,078,366 -6.9% 0.12% $73,757,649
SYSTEMATIC FINANCIAL MANAGEMENT LP 1.6% 2,972,351 -1.4% 1.7% $70,950,036
MORGAN STANLEY 1.5% 2,778,632 -13% 0% $66,325,984
GW&K Investment Management, LLC 1.5% 2,765,094 -9.4% 0.58% $66,003,000
LOOMIS SAYLES & CO L P 1.4% 2,505,136 -2.9% 0.07% $59,797,596
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.3% 2,433,827 +4.8% 0.01% $58,095,450
NORTHERN TRUST CORP 1.2% 2,229,193 +22% 0.01% $53,210,837

Institutional Holders of Magnolia Oil & Gas Corp - COMMON STOCK (MGY) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 3,846,027 $85,857,203 -$4,647,538 $21.89 24
2025 Q3 206,139,696 $4,921,023,426 -$227,293,801 $23.87 370
2025 Q2 215,861,849 $4,854,938,422 -$54,932,193 $22.48 383
2025 Q1 218,110,272 $5,507,771,915 -$46,450,645 $25.26 405
2024 Q4 220,096,327 $5,148,510,013 -$75,415,520 $23.38 381
2024 Q3 222,505,962 $5,435,336,507 +$37,225,141 $24.42 365
2024 Q2 220,880,533 $5,597,593,861 -$28,819,580 $25.34 344
2024 Q1 222,730,960 $5,778,914,554 +$698,644,961 $25.95 322
2023 Q4 196,802,406 $4,191,458,298 +$90,269,529 $21.29 294
2023 Q3 192,221,395 $4,405,495,370 -$137,915,292 $22.91 287
2023 Q2 198,150,169 $4,141,407,611 -$32,609,394 $20.90 278
2023 Q1 199,712,268 $4,369,557,710 +$118,575,344 $21.88 272
2022 Q4 194,730,823 $4,566,050,509 +$54,079,784 $23.45 291
2022 Q3 193,273,415 $3,828,674,932 -$398,040,849 $19.81 273
2022 Q2 197,339,370 $4,143,564,800 +$199,308,095 $20.99 273
2022 Q1 189,020,463 $4,472,219,389 +$35,077,659 $23.65 243
2021 Q4 187,930,864 $3,546,224,428 +$32,547,837 $18.87 227
2021 Q3 181,395,785 $3,227,396,703 +$18,816,498 $17.79 235
2021 Q2 180,478,579 $2,819,994,590 +$30,552,184 $15.63 203
2021 Q1 180,082,550 $2,067,269,372 +$77,051,237 $11.48 187
2020 Q4 177,129,033 $1,250,600,458 +$12,882,730 $7.06 169
2020 Q3 175,169,573 $905,937,397 +$4,387,772 $5.17 170
2020 Q2 173,885,044 $1,054,009,520 -$1,632,850 $6.06 170
2020 Q1 180,365,757 $721,453,712 -$24,684,280 $4.00 153
2019 Q4 182,638,011 $2,297,583,095 +$64,962,678 $12.58 154
2019 Q3 177,794,847 $1,973,557,134 +$44,211,846 $11.10 136
2019 Q2 173,292,471 $2,006,706,101 +$160,537,025 $11.58 129
2019 Q1 159,291,474 $1,911,501,580 +$84,960,151 $12.00 122
2018 Q4 152,461,934 $1,709,091,637 -$30,356,547 $11.21 106
2018 Q3 117,872,374 $1,767,383,405 +$1,739,067,358 $15.01 97
2018 Q2 2,353,400 $25,582,000 +$25,582,000 $10.87 3