MAGNOLIA OIL & GAS CORP (MGY)
Institutional ownership reported to the SEC as of Q2 2026, across 31 quarters.
384
Reporting holders
$5.0B
Reported value
82.7%
Of shares outstanding
0.1%
Held as options
+7
Holder change
Institutions report 195,975,155 shares against 236,968,592 outstanding. Shares only - option lines are excluded, which is why this can be compared with the company at all. The count comes from the cover page of the company's own most recent report, so it is dated when that was filed rather than at quarter end.
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | $817.8M | 31,972,219 | 0.01% | 8q | +8.4%+$63.5M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $392.4M | 15,341,201 | 0.02% | 2q | +18.2%+$60.3M |
| AMERICAN CENTURY COMPANIES INC | $281.7M | 11,011,458 | 0.12% | 28q | +4.8%+$12.8M |
| STATE STREET CORP | $254.3M | 9,941,466 | 0.01% | 31q | +4.7%+$11.4M |
| VANGUARD CAPITAL MANAGEMENT LLC | $196.0M | 7,663,263 | 0.00% | 2q | +6.6%+$12.1M |
| DIMENSIONAL FUND ADVISORS LP | $182.1M | 7,117,449 | 0.03% | 22q | +1.3%+$2.3M |
| Jupiter Topco LLC | $164.4M | 6,427,893 | 0.07% | new | FIRST |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $139.8M | 5,463,526 | 0.06% | 6q | -12.8%-$20.5M |
| ALLIANCEBERNSTEIN L.P. | $130.1M | 4,122,434 | 0.04% | 31q | -7.4%-$10.4M |
| GEODE CAPITAL MANAGEMENT, LLC | $122.9M | 4,802,973 | 0.01% | 31q | +5.8%+$6.8M |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | $110.3M | 4,311,973 | 0.17% | 3q | -13.3%-$16.9M |
| BANK OF AMERICA CORP /DE/ | $108.8M | 4,253,346 | 0.01% | 31q | +9.7%+$9.6M |
| TD Asset Management Inc | $100.6M | 3,934,160 | 0.09% | 31q | -20.4%-$25.8M |
| Epoch Investment Partners, Inc. | $91.3M | 3,569,975 | 0.52% | 8q | -16.5%-$18.0M |
| MORGAN STANLEY | $87.7M | 3,429,471 | 0.00% | 32q | +13.3%+$10.3M |
| VICTORY CAPITAL MANAGEMENT INC | $76.3M | 2,982,883 | 0.04% | 31q | -3.5%-$2.8M |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | $71.0M | 2,777,352 | 1.42% | 31q | -1.3%-$919.0K |
| WESTWOOD HOLDINGS GROUP INC | $67.6M | 2,642,440 | 0.51% | 3q | +66.1%+$26.9M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $67.0M | 2,618,204 | 0.01% | 31q | HELD |
| Sixth Street Partners Management Company, L.P. | $67.0M | 2,618,204 | 0.01% | new | NEW |
| Allspring Global Investments Holdings, LLC | $66.6M | 2,667,136 | 0.10% | 19q | -1.2%-$796.1K |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | $64.9M | 2,537,333 | 0.43% | 31q | -4.8%-$3.3M |
| GOLDMAN SACHS GROUP INC | $61.5M | 2,406,168 | 0.01% | 31q | -23.2%-$18.6M |
| Boston Trust Walden Corp | $61.0M | 2,384,760 | 0.46% | 10q | -26.1%-$21.6M |
| Nuveen, LLC | $57.0M | 2,228,804 | 0.01% | 6q | -1.1%-$620.7K |
| Stephens Investment Management Group LLC | $56.8M | 2,219,966 | 0.61% | 20q | +2.2%+$1.2M |
| LOOMIS SAYLES & CO L P | $52.8M | 2,065,051 | 0.07% | 17q | -5.3%-$2.9M |
| Bank of New York Mellon Corp | $49.7M | 1,944,363 | 0.01% | 31q | HELD |
| NORTHERN TRUST CORP | $48.5M | 1,894,970 | 0.01% | 31q | -11.1%-$6.1M |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | $47.5M | 1,857,192 | 0.04% | 31q | +21.0%+$8.3M |
| Public Sector Pension Investment Board | $40.6M | 1,586,958 | 0.05% | 10q | +97.9%+$20.1M |
| UBS Group AG | $38.5M | 1,503,941 | 0.00% | 24q | +28.5%+$8.5M |
| TWO SIGMA INVESTMENTS, LP | $36.2M | 1,416,670 | 0.03% | 28q | -16.4%-$7.1M |
| VANGUARD FIDUCIARY TRUST CO | $34.0M | 1,330,499 | 0.01% | 2q | +12.6%+$3.8M |
| RENAISSANCE TECHNOLOGIES LLC | $33.2M | 1,296,902 | 0.05% | 18q | -23.8%-$10.4M |
| PRINCIPAL FINANCIAL GROUP INC | $28.7M | 1,120,762 | 0.01% | 26q | -27.4%-$10.8M |
| Aberdeen Group plc | $24.5M | 958,945 | 0.03% | 12q | +24.9%+$4.9M |
| JPMORGAN CHASE & CO | $24.1M | 926,677 | 0.00% | 29q | -22.8%-$7.1M |
| Conestoga Capital Advisors, LLC | $23.9M | 935,605 | 0.52% | new | NEW |
| FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ | $22.3M | 870,898 | 0.11% | new | NEW |
| FIRST TRUST ADVISORS LP | $21.2M | 830,702 | 0.01% | 26q | -14.9%-$3.7M |
| Invesco Ltd. | $19.0M | 742,620 | 0.00% | 27q | +5.4%+$969.4K |
| Creative Planning | $16.2M | 633,423 | 0.01% | 13q | +47.1%+$5.2M |
| HEARTLAND ADVISORS INC | $15.7M | 615,475 | 0.70% | 10q | -2.4%-$383.7K |
| AQR CAPITAL MANAGEMENT LLC | $15.2M | 594,648 | 0.01% | 12q | +19.4%+$2.5M |
| ALGERT GLOBAL LLC | $14.1M | 551,900 | 0.17% | 2q | -47.3%-$12.7M |
| RHUMBLINE ADVISERS | $13.4M | 524,565 | 0.01% | 29q | -9.1%-$1.3M |
| BARROW HANLEY MEWHINNEY & STRAUSS LLC | $13.2M | 515,963 | 0.04% | 10q | +35.1%+$3.4M |
| GILDER GAGNON HOWE & CO LLC | $12.3M | 480,127 | 0.13% | 31q | -1.3%-$163.7K |
| Edgestream Partners, L.P. | $12.2M | 478,721 | 0.36% | 4q | +35.6%+$3.2M |
| Diamond Hill Capital Management, LLC (Investment Advisor) | $12.0M | 468,704 | 0.10% | 9q | +44.2%+$3.7M |
| California Public Employees Retirement System | $11.7M | 456,471 | 0.01% | 16q | +10.3%+$1.1M |
| OBERWEIS ASSET MANAGEMENT INC/ | $11.7M | 456,466 | 0.24% | 21q | HELD |
| ENVESTNET ASSET MANAGEMENT INC | $11.1M | 434,943 | 0.00% | 30q | +3.0%+$328.9K |
| Squarepoint Ops LLC | $11.0M | 430,380 | 0.01% | 3q | -5.4%-$626.0K |
| Trexquant Investment LP | $10.8M | 422,732 | 0.06% | 12q | +63.4%+$4.2M |
| Legal & General Group Plc | $10.0M | 389,923 | 0.00% | 29q | +1.0%+$101.3K |
| Point72 Asset Management, L.P. | $9.9M | 385,561 | 0.01% | 3q | -44.3%-$7.9M |
| NORDEA INVESTMENT MANAGEMENT AB | $9.5M | 367,290 | 0.01% | 18q | +1.2%+$115.5K |
| Swiss National Bank | $9.3M | 363,300 | 0.00% | 29q | +4.3%+$383.7K |
| STATE OF WISCONSIN INVESTMENT BOARD | $9.2M | 359,835 | 0.02% | 31q | -6.9%-$682.9K |
| AMERIPRISE FINANCIAL INC | $9.0M | 353,570 | 0.00% | 19q | -41.4%-$6.4M |
| MARSHALL WACE, LLP | $8.4M | 328,279 | 0.01% | new | NEW |
| Clark Capital Management Group, Inc. | $8.2M | 320,995 | 0.04% | 2q | +50.0%+$2.7M |
| DEUTSCHE BANK AG\ | $8.0M | 311,090 | 0.00% | 32q | +41.3%+$2.3M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | $7.3M | 286,035 | 0.01% | 6q | +3.9%+$274.4K |
| RAYMOND JAMES FINANCIAL INC | $7.2M | 281,030 | 0.00% | 7q | -0.9%-$65.4K |
| Foster Victor Wealth Advisors, LLC | $7.1M | 265,272 | 0.37% | 13q | -37.5%-$4.2M |
| SEI INVESTMENTS CO | $7.0M | 273,602 | 0.01% | 30q | -39.9%-$4.6M |
| MILLENNIUM MANAGEMENT LLC | $6.7M | 261,428 | 0.00% | 9q | -56.4%-$8.6M |
| KING LUTHER CAPITAL MANAGEMENT CORP | $6.6M | 259,018 | 0.03% | 31q | +11.5%+$684.5K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $6.3M | 177,870 | 0.00% | 31q | -7.4%-$508.3K |
| Russell Investments Group, Ltd. | $6.0M | 234,139 | 0.01% | 28q | +6.9%+$384.7K |
| SIR Capital Management, L.P. | $5.8M | 227,667 | 0.67% | 9q | -73.3%-$15.9M |
| FEDERATED HERMES, INC. | $5.5M | 216,186 | 0.01% | 9q | +1327.2%+$5.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $5.3M | 208,440 | 0.00% | 29q | +0.8%+$41.6K |
| WELLS FARGO & COMPANY/MN | $5.0M | 196,729 | 0.00% | 31q | -41.4%-$3.6M |
| PRUDENTIAL FINANCIAL INC | $4.9M | 191,670 | 0.01% | 22q | -18.3%-$1.1M |
| FRANKLIN RESOURCES INC | $4.8M | 189,120 | 0.00% | 20q | -16.1%-$926.1K |
| Phocas Financial Corp. | $4.8M | 187,730 | 0.67% | 22q | -5.9%-$298.4K |
| Aventail Capital Group, LP | $4.8M | 187,617 | 0.28% | new | NEW |
| GREAT LAKES ADVISORS, LLC | $4.7M | 182,784 | 0.04% | 14q | -2.0%-$96.7K |
| Louisiana State Employees Retirement System | $4.6M | 161,300 | 0.04% | 10q | +101.1%+$2.3M |
| Emerald Investment Advisers, LLC | $4.5M | 176,541 | 0.30% | 2q | -13.3%-$690.2K |
| FRED ALGER MANAGEMENT, LLC | $4.4M | 171,139 | 0.01% | 31q | -85.7%-$26.2M |
| BARCLAYS PLC | $4.3M | 169,430 | 0.00% | 31q | -9.1%-$434.0K |
| Moody Aldrich Partners LLC | $4.3M | 167,040 | 0.77% | 9q | -13.3%-$654.5K |
| FIFTH THIRD BANCORP | $4.2M | 165,467 | 0.01% | 9q | +127.6%+$2.4M |
| LAZARD ASSET MANAGEMENT LLC | $4.2M | 163,263 | 0.01% | new | NEW |
| VANGUARD ASSET MANAGEMENT, Ltd | $4.0M | 155,158 | 0.00% | 2q | +7.8%+$288.6K |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | $4.0M | 155,059 | 0.02% | 9q | -84.2%-$21.2M |
| Empowered Funds, LLC | $3.9M | 151,858 | 0.02% | 2q | +93.0%+$1.9M |
| VAN ECK ASSOCIATES CORP | $3.8M | 149,697 | 0.00% | new | NEW |
| Cerity Partners LLC | $3.6M | 142,648 | 0.00% | 11q | +2.3%+$81.2K |
| Rafferty Asset Management, LLC | $3.6M | 141,860 | 0.01% | 21q | -40.9%-$2.5M |
| ROYAL BANK OF CANADA | $3.6M | 139,992 | 0.00% | 31q | +39.2%+$1.0M |
| Pathstone Holdings, LLC | $3.3M | 130,193 | 0.01% | 11q | -8.7%-$315.7K |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM | $3.2M | 123,730 | 0.01% | 25q | -12.8%-$465.1K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $3.1M | 122,150 | 0.00% | 9q | -11.4%-$402.7K |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | $3.1M | 120,293 | 0.01% | 14q | +75.7%+$1.3M |
Five percent filings
Anyone crossing 5% of a company must say so within days - far sooner than the next quarterly holdings report. A 13D declares an intent to influence the company; a 13G is the passive version. See all activist filings →
| Filed | Form | Filer | % of class |
|---|---|---|---|
| 2026-07-31 | 13G/A | Vanguard Portfolio Management | 8.4% |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 384 | $5.0B | 195,975,155 | 55 | 146 | 131 | 0.1% |
| Q1 2026 | 377 | $6.1B | 193,684,670 | 64 | 136 | 118 | 0.1% |
| Q4 2025 | 354 | $4.2B | 189,778,300 | 47 | 111 | 134 | 0.0% |
| Q3 2025 | 343 | $4.7B | 196,379,966 | 33 | 116 | 126 | 0.6% |
| Q2 2025 | 354 | $4.6B | 204,732,175 | 38 | 125 | 134 | 0.6% |
| Q1 2025 | 373 | $5.1B | 199,965,855 | 58 | 136 | 126 | 0.5% |
| Q4 2024 | 350 | $4.7B | 202,677,447 | 34 | 138 | 110 | 0.1% |
| Q3 2024 | 330 | $5.0B | 204,059,298 | 44 | 118 | 109 | 0.1% |
| Q2 2024 | 312 | $5.1B | 201,700,989 | 51 | 105 | 103 | 0.2% |
| Q1 2024 | 285 | $5.4B | 207,439,442 | 59 | 97 | 84 | 0.2% |
| Q4 2023 | 259 | $3.8B | 179,718,650 | 28 | 97 | 73 | 0.2% |
| Q3 2023 | 253 | $3.9B | 169,365,567 | 27 | 92 | 75 | 0.2% |
| Q2 2023 | 244 | $3.5B | 165,355,515 | 33 | 86 | 74 | 0.3% |
| Q1 2023 | 230 | $3.8B | 172,197,121 | 28 | 80 | 82 | 0.2% |
| Q4 2022 | 231 | $3.6B | 151,513,477 | 41 | 73 | 71 | 0.3% |
| Q3 2022 | 280 | $4.0B | 201,166,219 | 30 | 117 | 90 | 0.3% |
| Q2 2022 | 283 | $4.2B | 197,356,735 | 56 | 108 | 87 | 0.5% |
| Q1 2022 | 253 | $4.5B | 189,051,628 | 52 | 75 | 88 | 0.4% |
| Q4 2021 | 237 | $3.6B | 188,252,463 | 26 | 79 | 77 | 0.7% |
| Q3 2021 | 242 | $3.2B | 181,396,655 | 55 | 70 | 76 | 0.6% |
| Q2 2021 | 207 | $2.8B | 180,581,023 | 41 | 80 | 57 | 0.3% |
| Q1 2021 | 192 | $2.1B | 180,083,690 | 50 | 57 | 54 | 0.2% |
| Q4 2020 | 177 | $1.3B | 177,870,243 | 19 | 62 | 62 | 1.6% |
| Q3 2020 | 175 | $907.5M | 175,163,879 | 19 | 51 | 68 | 0.2% |
| Q2 2020 | 174 | $1.1B | 173,887,404 | 35 | 74 | 42 | 0.3% |
| Q1 2020 | 163 | $743.9M | 185,443,329 | 43 | 59 | 43 | 0.3% |
| Q4 2019 | 159 | $2.3B | 184,280,724 | 32 | 55 | 39 | 0.3% |
| Q3 2019 | 141 | $2.0B | 177,795,479 | 30 | 59 | 29 | 0.1% |
| Q2 2019 | 134 | $2.0B | 174,516,844 | 35 | 48 | 28 | 0.1% |
| Q1 2019 | 127 | $2.0B | 167,807,225 | 36 | 41 | 32 | 0.1% |
| Q4 2018 | 109 | $1.8B | 160,731,170 | 1 | 0 | 2 | 0.2% |