MPC Marathon Petroleum Corporation
Marathon Petroleum Corporation (MPC) Institutional Ownership
What the institutions did with MPC last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 26.0M | 11.9% |
| VANGUARD CAPITAL MANAGEMENT LLC | 19.1M | 8.7% |
| STATE STREET CORP | 18.5M | 8.4% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 15.6M | 7.1% |
| GEODE CAPITAL MANAGEMENT, LLC | 8.4M | 3.8% |
| MORGAN STANLEY | 5.9M | 2.7% |
| RAYMOND JAMES FINANCIAL INC | 5.7M | 2.6% |
| FMR LLC | 5.4M | 2.5% |
| Bank of New York Mellon Corp | 4.0M | 1.8% |
| Boston Partners | 3.5M | 1.6% |
| WELLINGTON MANAGEMENT GROUP LLP | 3.3M | 1.5% |
| NORTHERN TRUST CORP | 3.1M | 1.4% |
| DIMENSIONAL FUND ADVISORS LP | 3.1M | 1.4% |
| GOLDMAN SACHS GROUP INC | 2.9M | 1.3% |
| JPMORGAN CHASE & CO | 2.7M | 1.2% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.6M | 1.2% |
| NORGES BANK | 2.5M | 1.1% |
| BANK OF AMERICA CORP /DE/ | 2.4M | 1.1% |
| Invesco Ltd. | 2.3M | 1.1% |
| Amundi | 2.2M | 1.0% |
| AMERIPRISE FINANCIAL INC | 2.0M | 0.9% |
| UBS Group AG | 1.8M | 0.8% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.8M | 0.8% |
| VANGUARD FIDUCIARY TRUST CO | 1.7M | 0.8% |
| Capital Wealth Planning, LLC | 1.6M | 0.7% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| HARRIS ASSOCIATES L P | Reduced | 2.8M | 229.0K | -2.6M |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | 5.6M | 3.3M | -2.4M |
| Boston Partners | Reduced | 5.6M | 3.5M | -2.1M |
| BlackRock, Inc. | Increased | 24.4M | 26.0M | +1.6M |
| JPMORGAN CHASE & CO | Reduced | 3.4M | 2.7M | -699.6K |
| CANADA PENSION PLAN INVESTMENT BOARD | Reduced | 1.1M | 511.5K | -610.1K |
| VICTORY CAPITAL MANAGEMENT INC | Increased | 422.7K | 1.0M | +593.5K |
| AMERICAN CENTURY COMPANIES INC | Increased | 154.5K | 716.3K | +561.8K |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 1.3M | 1.8M | +556.8K |
| STATE STREET CORP | Reduced | 19.0M | 18.5M | -553.1K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 7.8M | 8.4M | +529.6K |
| FMR LLC | Increased | 4.9M | 5.4M | +508.6K |
| Invesco Ltd. | Reduced | 2.8M | 2.3M | -487.6K |
| AQR CAPITAL MANAGEMENT LLC | Increased | 432.6K | 828.3K | +395.7K |
| BNP PARIBAS FINANCIAL MARKETS | Increased | 592.0K | 964.4K | +372.5K |
| Amundi | Increased | 1.9M | 2.2M | +332.6K |
| AustralianSuper Pty Ltd | Increased | 489.5K | 797.2K | +307.7K |
| Holocene Advisors, LP | Reduced | 414.1K | 123.8K | -290.4K |
| TWO SIGMA INVESTMENTS, LP | Reduced | 1.5M | 1.2M | -285.0K |
| Bridgewater Associates, LP | Increased | 77.3K | 349.2K | +271.9K |
| MARSHALL WACE, LLP | Reduced | 383.3K | 126.0K | -257.3K |
| LAZARD ASSET MANAGEMENT LLC | New | 0 | 254.8K | +254.8K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Increased | 1.3M | 1.5M | +215.7K |
| CITADEL ADVISORS LLC | Increased | 202.1K | 412.3K | +210.2K |
| AMERIPRISE FINANCIAL INC | Reduced | 2.2M | 2.0M | -193.4K |
| SG Americas Securities, LLC | Increased | 149.9K | 340.3K | +190.4K |
| HRT FINANCIAL LP | New | 0 | 188.6K | +188.6K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Reduced | 410.5K | 223.2K | -187.3K |
| MORGAN STANLEY | Reduced | 6.1M | 5.9M | -186.2K |
| Squarepoint Ops LLC | Increased | 369.5K | 554.0K | +184.6K |
| Legal & General Group Plc | Reduced | 1.7M | 1.5M | -171.9K |
| UBS Group AG | Increased | 1.7M | 1.8M | +168.0K |
| REAVES W H & CO INC | Reduced | 220.6K | 56.5K | -164.1K |
| BANK OF AMERICA CORP /DE/ | Reduced | 2.6M | 2.4M | -162.9K |
| LSV ASSET MANAGEMENT | Increased | 1.3M | 1.4M | +162.5K |
| ACADIAN ASSET MANAGEMENT LLC | Reduced | 530.6K | 375.0K | -155.6K |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | Increased | 348.8K | 503.8K | +155.1K |
| Man Group plc | Increased | 142.2K | 293.8K | +151.6K |
| Maryland State Retirement & Pension System | Increased | 15.3K | 161.5K | +146.2K |
| Allianz Asset Management GmbH | Reduced | 1.7M | 1.6M | -144.8K |
| BANK OF NOVA SCOTIA | Reduced | 255.9K | 113.4K | -142.5K |
| WELLS FARGO & COMPANY/MN | Reduced | 822.9K | 692.4K | -130.4K |
| GOLDMAN SACHS GROUP INC | Increased | 2.8M | 2.9M | +129.7K |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | Reduced | 194.5K | 66.9K | -127.5K |
| PRINCIPAL FINANCIAL GROUP INC | Reduced | 1.5M | 1.4M | -125.2K |
| LOS ANGELES CAPITAL MANAGEMENT LLC | Reduced | 501.6K | 383.2K | -118.5K |
| FIRST TRUST ADVISORS LP | Reduced | 276.5K | 163.4K | -113.1K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Reduced | 2.7M | 2.6M | -106.9K |
| Korea Investment CORP | Reduced | 322.5K | 216.0K | -106.5K |
| Arbejdsmarkedets Tillaegspension | New | 0 | 104.6K | +104.6K |
| OFI INVEST ASSET MANAGEMENT | Sold Out | 104.0K | 0 | -104.0K |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 19.2M | 19.1M | -95.8K |
| Recurrent Investment Advisors LLC | Reduced | 181.0K | 85.8K | -95.2K |
| MACKENZIE FINANCIAL CORP | Increased | 117.0K | 211.0K | +94.0K |
| CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT | Reduced | 142.8K | 49.8K | -93.0K |
| RAYMOND JAMES FINANCIAL INC | Reduced | 5.8M | 5.7M | -88.8K |
| TEACHER RETIREMENT SYSTEM OF TEXAS | Reduced | 239.1K | 150.8K | -88.4K |
| Pacer Advisors, Inc. | Reduced | 1.3M | 1.3M | -85.5K |
| Empowered Funds, LLC | Increased | 137.1K | 219.7K | +82.6K |
| FEDERATED HERMES, INC. | Increased | 387.3K | 469.8K | +82.5K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.