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
206,135,814
Total reported value
$4,920,930,906
% of total 13F portfolios
0%
Share change
-9,755,460
Value change
-$227,508,320
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% $559,381,430 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% $70,136,451 -$318,133,001 3,411,306 -82% First Trust Portfolios L.P. 31 Mar 2025

As of 30 Sep 2025, 370 institutional investors reported holding 206,135,814 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 4,802,890 $106,840,202 -$4,495,631 $21.89 41
2025 Q3 206,135,814 $4,920,930,906 -$227,508,320 $23.87 370
2025 Q2 215,861,849 $4,854,938,422 -$54,932,056 $22.48 383
2025 Q1 218,110,272 $5,507,771,915 -$46,450,548 $25.26 405
2024 Q4 219,977,042 $5,145,722,459 -$75,229,830 $23.38 379
2024 Q3 222,190,902 $5,427,642,747 +$37,194,640 $24.42 363
2024 Q2 220,566,722 $5,589,641,893 -$28,886,928 $25.34 343
2024 Q1 222,419,806 $5,770,840,118 +$697,607,080 $25.95 321
2023 Q4 635,073 $13,520,695 +$4,119,185 $21.29 4
2023 Q3 191,849,082 $4,396,965,691 -$145,382,828 $22.91 283
2023 Q2 196,698,892 $4,111,076,460 -$32,099,995 $20.90 274
2023 Q1 199,514,099 $4,365,221,773 +$127,155,043 $21.88 270
2022 Q4 193,336,693 $4,533,358,157 +$33,118,732 $23.45 288
2022 Q3 190,540,037 $3,774,524,325 -$396,915,730 $19.81 266
2022 Q2 194,847,973 $4,090,544,225 +$178,260,478 $20.99 270
2022 Q1 185,141,181 $4,380,476,389 +$35,773,381 $23.65 238
2021 Q4 186,834,462 $3,525,536,428 +$33,361,441 $18.87 224
2021 Q3 181,163,677 $3,223,266,173 +$11,783,845 $17.79 235
2021 Q2 177,101,301 $2,767,206,246 +$41,203,966 $15.63 198
2021 Q1 178,035,945 $2,043,773,385 +$52,879,881 $11.48 182
2020 Q4 173,455,062 $1,224,661,851 +$10,679,448 $7.06 166
2020 Q3 175,013,030 $905,127,952 +$6,256,463 $5.17 166
2020 Q2 172,044,152 $1,042,852,999 -$5,266,156 $6.06 163
2020 Q1 179,917,769 $719,661,712 -$24,796,889 $4.00 148
2019 Q4 182,086,651 $2,290,647,095 +$62,094,277 $12.58 152
2019 Q3 177,327,860 $1,968,374,134 +$42,392,215 $11.10 131
2019 Q2 173,284,203 $2,006,610,698 +$160,443,573 $11.58 127
2019 Q1 159,291,474 $1,911,501,580 +$91,626,671 $12.00 122
2018 Q4 151,716,127 $1,700,730,637 -$27,092,473 $11.21 104
2018 Q3 117,872,374 $1,767,383,405 +$1,739,043,012 $15.01 97
2018 Q2 2,353,400 $25,582,000 +$25,582,073 $10.87 3