MARATHON PETE CORP MPC
COM · Common Stock · CUSIP 56585A102 · ISIN US56585A1025
American petroleum refining, marketing, and transportation company
- SectorEnergy
- IndustryPetroleum Refining
- HeadquartersFindlay, OH
- Founded2009
- Websitemarathonpetroleum.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($80.8m this quarter). Holder counts are more reliable. Shares outstanding: 304.0m as of 2025-07-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $165.79. Options: 40 managers hold calls ($693.3m notional), 38 hold puts ($442.2m).
Trends to Q2 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 1,293 |
| Q4 2022 | 1,389 |
| Q1 2023 | 1,442 |
| Q2 2023 | 1,356 |
| Q3 2023 | 1,477 |
| Q4 2023 | 1,553 |
| Q1 2024 | 1,690 |
| Q2 2024 | 1,652 |
| Q3 2024 | 1,584 |
| Q4 2024 | 1,561 |
| Q1 2025 | 1,562 |
| Q2 2025 | 1,572 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2023 | 640 | 628 |
| Q4 2023 | 563 | 693 |
| Q1 2024 | 712 | 751 |
| Q2 2024 | 700 | 747 |
| Q3 2024 | 624 | 794 |
| Q4 2024 | 539 | 826 |
| Q1 2025 | 601 | 757 |
| Q2 2025 | 661 | 713 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2024 | $750.3m | $671.7m | 0.90 |
| Q4 2024 | $536.2m | $425.2m | 0.79 |
| Q1 2025 | $483.6m | $377.6m | 0.78 |
| Q2 2025 | $693.3m | $442.2m | 0.64 |
Biggest buyers
| VANGUARD GROUP INC | Added | +3.9m |
| HARRIS ASSOCIATES L P | Added | +2.0m |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +1.0m |
| JPMORGAN CHASE & CO | Added | +773.9k |
| ROYAL BANK OF CANADA | Added | +727.8k |
| Boston Partners | Added | +715.2k |
| Balyasny Asset Management L.P. | Added | +657.2k |
| Bank of New York Mellon Corp | Added | +637.0k |
| PANAGORA ASSET MANAGEMENT INC | Added | +605.7k |
| FMR LLC | Added | +574.9k |
Biggest sellers
| Demars Financial Group, LLC | Reduced | -4.7m |
| Pacer Advisors, Inc. | Reduced | -1.5m |
| Amundi | Reduced | -1.2m |
| STATE STREET CORP | Reduced | -1.0m |
| BlackRock, Inc. | Reduced | -903.0k |
| Invesco Ltd. | Reduced | -779.0k |
| VOYA INVESTMENT MANAGEMENT LLC | Reduced | -666.2k |
| MILLENNIUM MANAGEMENT LLC | Reduced | -524.3k |
| DIMENSIONAL FUND ADVISORS LP | Reduced | -486.9k |
| Assenagon Asset Management S.A. | Reduced | -470.5k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $170.5m1.0m shares |
| CITADEL ADVISORS LLC | Added | $87.3m525.6k shares |
| Twin Tree Management, LP | New | $61.3m368.8k shares |
| JANE STREET GROUP, LLC | Added | $61.2m368.3k shares |
| WOLVERINE TRADING, LLC | New | $47.1m281.6k shares |
| CITIGROUP INC | New | $28.5m171.5k shares |
| BARCLAYS PLC | Reduced | $24.6m148.0k shares |
| IMC-Chicago, LLC | Added | $22.9m137.7k shares |
| GROUP ONE TRADING LLC | Added | $18.8m112.9k shares |
| WELLS FARGO & COMPANY/MN | Unchanged | $18.4m110.5k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $104.5m629.4k shares |
| CITIGROUP INC | New | $75.8m456.2k shares |
| CITADEL ADVISORS LLC | Reduced | $35.7m215.2k shares |
| MILLENNIUM MANAGEMENT LLC | Added | $25.6m154.4k shares |
| IMC-Chicago, LLC | Added | $20.3m122.5k shares |
| Walleye Trading LLC | Added | $20.2m121.6k shares |
| JANE STREET GROUP, LLC | Added | $15.6m94.0k shares |
| UBS Group AG | Reduced | $14.6m87.7k shares |
| BARCLAYS PLC | Added | $11.7m70.3k shares |
| SIMPLEX TRADING, LLC | Reduced | $11.5m69.1k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution +1.1 pts · filed 2026-10-27 | 7.9% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 7.5% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.3% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q2 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2023 | 0 | — | 4 | $3.9m | $793.5k |
| Q4 2023 | 0 | — | 2 | $1.1m | $914.6k |
| Q1 2024 | 0 | — | 2 | $1.5m | $170.3k |
| Q2 2024 | 0 | — | 0 | — | — |
| Q3 2024 | 0 | — | 0 | — | — |
| Q4 2024 | 1 | $897.7k | 0 | — | — |
| Q1 2025 | 2 | $403.1k | 0 | — | — |
| Q2 2025 | 0 | — | 0 | — | — |
None reported in Q2 2025.
Holders, Q2 2025
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.10% of their portfolio | 38.9m $6.5bn | Added +3.9m |
| BlackRock, Inc. 0.07% of their portfolio | 23.4m $3.9bn | Reduced -903.0k |
| STATE STREET CORP 0.11% of their portfolio | 18.4m $3.1bn | Reduced -1.0m |
| WELLINGTON MANAGEMENT GROUP LLP 0.35% of their portfolio | 11.7m $1.9bn | Reduced -146.9k |
| GEODE CAPITAL MANAGEMENT, LLC 0.09% of their portfolio | 8.0m $1.3bn | Added +1.0m |
| MORGAN STANLEY 0.07% of their portfolio | 6.5m $1.1bn | Reduced -67.4k |
| Boston Partners 1.14% of their portfolio | 6.2m $1.0bn | Added +715.2k |
| RAYMOND JAMES FINANCIAL INC 0.34% of their portfolio | 6.0m $996.1m | Reduced -40.8k |
| Bank of New York Mellon Corp 0.18% of their portfolio | 5.6m $933.4m | Added +637.0k |
| HARRIS ASSOCIATES L P 1.12% of their portfolio | 4.1m $685.8m | Added +2.0m |
| DIMENSIONAL FUND ADVISORS LP 0.14% of their portfolio | 3.7m $614.4m | Reduced -486.9k |
| NORTHERN TRUST CORP 0.08% of their portfolio | 3.6m $599.8m | Reduced -172.8k |
| JPMORGAN CHASE & CO 0.04% of their portfolio | 3.4m $558.8m | Added +773.9k |
| FMR LLC 0.03% of their portfolio | 3.4m $556.8m | Added +574.9k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.06% of their portfolio | 3.3m $553.6m | Reduced -342.4k |
| NORGES BANK 0.07% of their portfolio | 3.2m $527.2m | Reduced -7.9k |
| GOLDMAN SACHS GROUP INC 0.08% of their portfolio | 3.1m $510.8m | Added +339.1k |
| AMERIPRISE FINANCIAL INC 0.11% of their portfolio | 2.8m $462.1m | Reduced -418.2k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.08% of their portfolio | 2.7m $451.8m | Added +128.7k |
| Invesco Ltd. 0.07% of their portfolio | 2.6m $426.3m | Reduced -779.0k |
| BANK OF AMERICA CORP /DE/ 0.03% of their portfolio | 2.4m $403.5m | Added +10.5k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.07% of their portfolio | 2.1m $351.0m | Added +353.6k |
| PRINCIPAL FINANCIAL GROUP INC 0.18% of their portfolio | 2.0m $339.1m | Added +99.6k |
| Pacer Advisors, Inc. 0.84% of their portfolio | 2.0m $333.6m | Reduced -1.5m |
| Legal & General Group Plc 0.08% of their portfolio | 1.8m $303.2m | Reduced -104.3k |
| US BANCORP \DE\ 0.36% of their portfolio | 1.7m $288.2m | Reduced -136.8k |
| UBS Group AG 0.06% of their portfolio | 1.7m $287.2m | Reduced -175.8k |
| ROYAL BANK OF CANADA 0.03% of their portfolio | 1.7m $285.3m | Added +727.8k |
| Allianz Asset Management GmbH 0.36% of their portfolio | 1.6m $266.4m | Added +198.8k |
| Amundi 0.09% of their portfolio | 1.5m $253.8m | Reduced -1.2m |
| LSV ASSET MANAGEMENT 0.55% of their portfolio | 1.4m $236.7m | Reduced -49.3k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.18% of their portfolio | 1.3m $215.1m | Reduced -178.0k |
| Nuveen, LLC 0.05% of their portfolio | 1.0m $166.7m | Reduced -6.3k |
| Swiss National Bank 0.09% of their portfolio | 943.0k $156.6m | Added +36.6k |
| AustralianSuper Pty Ltd 0.79% of their portfolio | 934.3k $155.2m | Added +10.4k |
| DEUTSCHE BANK AG\ 0.06% of their portfolio | 904.2k $150.2m | Reduced -58.2k |
| PANAGORA ASSET MANAGEMENT INC 0.66% of their portfolio | 883.8k $146.8m | Added +605.7k |
| VICTORY CAPITAL MANAGEMENT INC 0.09% of their portfolio | 870.3k $144.6m | Added +478.7k |
| National Pension Service 0.12% of their portfolio | 835.0k $138.7m | Added +30.7k |
| BNP PARIBAS FINANCIAL MARKETS 0.11% of their portfolio | 815.5k $135.5m | Reduced -337.4k |
| Alyeska Investment Group, L.P. 0.47% of their portfolio | 790.6k $131.3m | Added +303.2k |
| TWO SIGMA ADVISERS, LP 0.27% of their portfolio | 784.6k $130.3m | Reduced -107.7k |
| Sumitomo Mitsui Trust Group, Inc. 0.08% of their portfolio | 729.9k $121.2m | Added +2.6k |
| WELLS FARGO & COMPANY/MN 0.03% of their portfolio | 719.4k $119.5m | Added +118.5k |
| VOYA INVESTMENT MANAGEMENT LLC 0.12% of their portfolio | 700.9k $116.4m | Reduced -666.2k |
| Balyasny Asset Management L.P. 0.25% of their portfolio | 659.6k $109.6m | Added +657.2k |
| RHUMBLINE ADVISERS 0.09% of their portfolio | 657.3k $109.2m | Reduced -11.8k |
| BARCLAYS PLC 0.04% of their portfolio | 605.5k $100.6m | Reduced -7.0k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.08% of their portfolio | 596.1k $99.0m | Added +17.5k |
| California Public Employees Retirement System 0.06% of their portfolio | 579.2k $96.2m | Reduced -23.7k |
| Mariner, LLC 0.14% of their portfolio | 576.9k $96.1m | Reduced -16.3k |
| HSBC HOLDINGS PLC 0.06% of their portfolio | 575.6k $95.7m | Added +5.8k |
| FIFTH THIRD BANCORP 0.31% of their portfolio | 544.4k $90.4m | Reduced -18.8k |
| AQR CAPITAL MANAGEMENT LLC 0.07% of their portfolio | 534.5k $88.8m | Reduced -463.7k |
| Empyrean Capital Partners, LP 4.08% of their portfolio | 531.0k $88.2m | Added +10.5k |
| BROADWATER CAPITAL MANAGEMENT LLC 0.40% of their portfolio | 514.9k $514.9k | Added +511.8k |
| Rockefeller Capital Management L.P. 0.09% of their portfolio | 486.7k $80.8m | Added +251.3k |
| CITIGROUP INC 0.05% of their portfolio | 459.9k $76.4m | Reduced -133.1k |
| BANK OF MONTREAL /CAN/ 0.04% of their portfolio | 452.3k $75.1m | Reduced -31.9k |
| JANUS HENDERSON GROUP PLC 0.04% of their portfolio | 438.0k $72.7m | Reduced -279.3k |
| ALLIANCEBERNSTEIN L.P. 0.02% of their portfolio | 410.9k $68.3m | Reduced -3.7k |
| Thrivent Financial for Lutherans 0.15% of their portfolio | 399.3k $66.3m | Added +11.4k |
| LPL Financial LLC 0.02% of their portfolio | 395.0k $65.6m | Reduced -17.2k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.07% of their portfolio | 371.9k $61.8m | Reduced -10.4k |
| AMERICAN CENTURY COMPANIES INC 0.03% of their portfolio | 363.8k $60.4m | Added +24.9k |
| PNC Financial Services Group, Inc. 0.04% of their portfolio | 347.6k $57.7m | Added +5.1k |
| Calamos Advisors LLC 0.24% of their portfolio | 335.2k $55.7m | Added +59.2k |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.10% of their portfolio | 323.2k $53.7m | Added +2.7k |
| HM PAYSON & CO 0.84% of their portfolio | 320.9k $53.3m | Reduced -51.0k |
| JONES FINANCIAL COMPANIES LLLP 0.04% of their portfolio | 315.7k $52.8m | Added +22.4k |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.35% of their portfolio | 309.9k $51.5m | Reduced -47.5k |
| ENVESTNET ASSET MANAGEMENT INC 0.01% of their portfolio | 306.3k $50.9m | Added +72.8k |
| Korea Investment CORP 0.11% of their portfolio | 295.6k $49.1m | Added +46.0k |
| NATIXIS ADVISORS, LLC 0.08% of their portfolio | 285.6k $47.4m | Added +36.5k |
| PRUDENTIAL FINANCIAL INC 0.06% of their portfolio | 284.4k $47.2m | Added +69.9k |
| Recurrent Investment Advisors LLC 3.77% of their portfolio | 280.6k $46.6m | Added +96.2k |
| LORD, ABBETT & CO. LLC 0.15% of their portfolio | 279.0k $46.3m | Added +188.0k |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.09% of their portfolio | 255.0k $42.4m | Reduced -17.2k |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.10% of their portfolio | 250.9k $41.7m | Added +96.5k |
| MEYER HANDELMAN CO 1.32% of their portfolio | 241.5k $40.1m | Reduced -400 |
| AVIVA PLC 0.08% of their portfolio | 236.2k $39.2m | Added +61.7k |
| Universal- Beteiligungs- und Servicegesellschaft mbH 0.07% of their portfolio | 233.4k $38.8m | Reduced -21.1k |
| GABELLI FUNDS LLC 0.27% of their portfolio | 228.8k $38.0m | Reduced -3.3k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.03% of their portfolio | 225.4k $37.4m | Reduced -19.5k |
| Merewether Investment Management, LP 1.02% of their portfolio | 214.0k $35.5m | New |
| Russell Investments Group, Ltd. 0.05% of their portfolio | 212.5k $35.3m | Reduced -41.6k |
| Squarepoint Ops LLC 0.08% of their portfolio | 208.3k $34.6m | Added +199.8k |
| CANADA LIFE ASSURANCE Co 0.05% of their portfolio | 203.9k $33.9m | Reduced -179.6k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.08% of their portfolio | 201.3k $33.4m | Reduced -28.3k |
| Empowered Funds, LLC 0.38% of their portfolio | 200.6k $33.3m | Added +6.2k |
| FRANKLIN RESOURCES INC 0.01% of their portfolio | 195.4k $32.5m | Reduced -136.6k |
| NISA INVESTMENT ADVISORS, LLC 0.15% of their portfolio | 194.3k $32.3m | Added +4.2k |
| Mitsubishi UFJ Trust & Banking Corp 0.07% of their portfolio | 192.7k $32.0m | Reduced -20.3k |
| HighTower Advisors, LLC 0.04% of their portfolio | 190.1k $31.6m | Reduced -24.4k |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.12% of their portfolio | 190.0k $31.6m | Added +156.0k |
| Steward Partners Investment Advisory, LLC 0.24% of their portfolio | 185.8k $30.9m | Added +6.6k |
| FIRST TRUST ADVISORS LP 0.02% of their portfolio | 184.1k $30.6m | Reduced -9.1k |
| NATIONAL BANK OF CANADA /FI/ 0.03% of their portfolio | 183.0k $30.4m | Reduced -25.0k |
| Cerity Partners LLC 0.05% of their portfolio | 180.6k $30.0m | Reduced -5.1k |
| ROYAL LONDON ASSET MANAGEMENT LTD 0.07% of their portfolio | 179.9k $29.9m | Reduced -22.7k |