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MPC

Marathon Petroleum Corp

Company with tickers: MPC

CIK
1510295
CUSIP
56585A102
Shares Outstanding
291,936,635
Price History Institutional Holders Short Volume Short Interest Fails to Deliver Financials SEC Filings Earnings Calls Insider Trades Congressional Trades
Holders: 1,859
Total Value: $52,195,324,010
Total Shares: 213,757,577
Showing 1–100 of 1,911 holdings by value · page 1 of 20

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 1,859 13F filers · Δ vs Dec 31, 2025
Top Holder
11.4%
Jun 2023 → Mar 2026 · range 11.4% – 17.8%
−1.0 pts
Top 5
40.3%
Jun 2023 → Mar 2026 · range 32.5% – 44.5%
+6.2 pts
Top 10
52.4%
Jun 2023 → Mar 2026 · range 42.2% – 56.4%
+6.6 pts
HHI
414
Jun 2023 → Mar 2026 · range 346 – 581
Broadly held +50

Quarterly Activity

vs Dec 31, 2025
New
364
Increased
556
Decreased
653
Sold Out
155
Unchanged
286
Holder count: +209
Institutional value: +78.2%
Shares held: +18.7%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds
Mega MORGAN STANLEY +2,147,191 2,455,919
Mega BlackRock, Inc. +1,969,621 24,394,842
Large Allianz Asset Management GmbH +1,704,848 1,740,748
Mega FMR LLC +1,439,068 4,911,081
Mega STATE STREET CORP +1,090,693 19,025,020

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds
Mid NORTHERN TRUST CORP −3,283,464 6,102
Mega WELLINGTON MANAGEMENT GROUP LLP −1,566,349 5,637,187
Large Qube Research & Technologies Ltd −1,439,939 157,065
Large HARRIS ASSOCIATES L P −1,225,990 2,805,972
Mega PRICE T ROWE ASSOCIATES INC /MD/ −775,584 1,283,092

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD)
Mega VANGUARD CAPITAL MANAGEMENT LLC 19,170,094 $4,680,953,552
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 15,672,113 $3,826,816,552
Mega Vanguard Global Advisers, LLC 701,104 $171,195,574
Mega VANGUARD ASSET MANAGEMENT, Ltd 568,369 $138,784,342
Large Holocene Advisors, LP 414,134 $101,123,240

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD)
Mega NORGES BANK 2,904,209 $472,311,509
Large TWO SIGMA ADVISERS, LP 1,361,200 $221,371,956
Mega VANGUARD GROUP INC 699,163 $113,704,878
Large VOLORIDGE INVESTMENT MANAGEMENT, LLC 253,053 $41,154,009
Large RENAISSANCE TECHNOLOGIES LLC 177,899 $28,931,714
100 of 100 shown
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Action
Mega BlackRock, Inc. $5,956,732,506 11.41% 24,394,842 View
Mega VANGUARD CAPITAL MANAGEMENT LLC $4,680,953,552 8.97% 19,170,094 View
Mega STATE STREET CORP $4,645,529,383 8.90% 19,025,020 View
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $3,826,816,552 7.33% 15,672,113 View
Mega GEODE CAPITAL MANAGEMENT, LLC $1,909,859,730 3.66% 7,821,524 View
Mega RAYMOND JAMES FINANCIAL INC $1,409,838,912 2.70% 5,773,769 View
Large Boston Partners $1,379,422,630 2.64% 5,649,204 View
Mega WELLINGTON MANAGEMENT GROUP LLP $1,376,488,317 2.64% 5,637,187 View
Mega FMR LLC $1,199,187,757 2.30% 4,911,081 View
Mega Bank of New York Mellon Corp $965,321,176 1.85% 3,953,318 View
Mega JPMORGAN CHASE & CO $838,956,565 1.61% 3,435,812 View
Mega DIMENSIONAL FUND ADVISORS LP $754,023,442 1.44% 3,087,982 View
Mega Invesco Ltd. $690,698,528 1.32% 2,828,645 View
Large HARRIS ASSOCIATES L P $685,162,242 1.31% 2,805,972 View
Mega GOLDMAN SACHS GROUP INC $672,677,560 1.29% 2,754,843 View
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $666,462,206 1.28% 2,729,389 View
Mega BANK OF AMERICA CORP /DE/ $633,667,607 1.21% 2,595,084 View
Mega MORGAN STANLEY $599,686,299 1.15% 2,455,919 View
Mega AMERIPRISE FINANCIAL INC $543,101,490 1.04% 2,224,185 View
Mega Amundi $465,255,441 0.89% 1,905,379 View
Large Allianz Asset Management GmbH $415,020,048 0.80% 1,699,648 View
Mega UBS Group AG $408,868,419 0.78% 1,674,455 View
Mega Legal & General Group Plc $405,601,536 0.78% 1,661,076 View
Large Capital Wealth Planning, LLC $400,776,296 0.77% 1,641,315 View
Large US BANCORP \DE\ $378,126,402 0.72% 1,548,556 View
Mega TWO SIGMA INVESTMENTS, LP $372,200,155 0.71% 1,524,286 View
Mega PRINCIPAL FINANCIAL GROUP INC $371,036,392 0.71% 1,519,520 View
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $315,676,632 0.60% 1,292,803 View
Mega PRICE T ROWE ASSOCIATES INC /MD/ $313,305,404 0.60% 1,283,092 View
Large LSV ASSET MANAGEMENT $312,998,226 0.60% 1,281,834 View
Mega CANADA PENSION PLAN INVESTMENT BOARD $273,865,695 0.52% 1,121,573 View
Mega DEUTSCHE BANK AG\ $273,232,287 0.52% 1,118,979 View
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $254,850,666 0.49% 1,043,700 View
Mega Nuveen, LLC $240,433,789 0.46% 984,658 View
Mega National Pension Service $225,348,838 0.43% 922,880 View
Large LORD, ABBETT & CO. LLC $224,086,671 0.43% 917,711 View
Mega Swiss National Bank $215,407,293 0.41% 882,166 View
Mega ROYAL BANK OF CANADA $209,559,665 0.40% 858,218 View
Mega BARCLAYS PLC $206,997,488 0.40% 847,725 View
Mega WELLS FARGO & COMPANY/MN $200,924,488 0.38% 822,854 View
Mega Vanguard Global Advisers, LLC $171,195,574 0.33% 701,104 View
Mega Mitsubishi UFJ Asset Management Co., Ltd. $164,775,838 0.32% 674,813 View
Large VOYA INVESTMENT MANAGEMENT LLC $158,379,298 0.30% 648,617 View
Mega Sumitomo Mitsui Trust Group, Inc. $157,206,746 0.30% 643,815 View
Mega RHUMBLINE ADVISERS $151,107,130 0.29% 618,835 View
Large FIFTH THIRD BANCORP $145,973,489 0.28% 597,811 View
Mega BNP PARIBAS ARBITRAGE, SA $144,544,548 0.28% 591,959 View
Mega VANGUARD ASSET MANAGEMENT, Ltd $138,784,342 0.27% 568,369 View
Large Mariner, LLC $135,166,081 0.26% 553,551 View
Large PANAGORA ASSET MANAGEMENT INC $134,771,244 0.26% 551,934 View
Mega CITIGROUP INC $131,505,090 0.25% 538,558 View
Mega California Public Employees Retirement System $131,086,079 0.25% 536,842 View
Large ACADIAN ASSET MANAGEMENT LLC $129,558,977 0.25% 530,588 View
Mega BANK OF MONTREAL /CAN/ $129,042,044 0.25% 528,471 View
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $129,024,712 0.25% 528,400 View
Large LOS ANGELES CAPITAL MANAGEMENT LLC $122,491,920 0.23% 501,646 View
Large AustralianSuper Pty Ltd $119,538,074 0.23% 489,549 View
Mega HSBC HOLDINGS PLC $119,447,237 0.23% 489,177 View
Mega CITADEL ADVISORS LLC $108,708,936 0.21% 445,200 View
Large Thrivent Financial for Lutherans $106,666,857 0.20% 436,837 View
Mega AQR CAPITAL MANAGEMENT LLC $105,633,729 0.20% 432,606 View
Mega MILLENNIUM MANAGEMENT LLC $105,470,865 0.20% 431,939 View
Mega LPL Financial LLC $103,615,829 0.20% 424,342 View
Mega VICTORY CAPITAL MANAGEMENT INC $103,211,467 0.20% 422,686 View
Large Holocene Advisors, LP $101,123,240 0.19% 414,134 View
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $100,225,878 0.19% 410,459 View
Mid Empyrean Capital Partners, LP $97,208,058 0.19% 398,100 View
Mega FRANKLIN RESOURCES INC $97,160,680 0.19% 397,906 View
Large NATIXIS ADVISORS, LLC $96,320,218 0.18% 394,464 View
Large FEDERATED HERMES, INC. $94,571,157 0.18% 387,301 View
Large MARSHALL WACE, LLP $93,602,983 0.18% 383,336 View
Mega ALLIANCEBERNSTEIN L.P. $90,242,090 0.17% 369,572 View
Large Squarepoint Ops LLC $90,213,033 0.17% 369,453 View
Mega ENVESTNET ASSET MANAGEMENT INC $89,301,509 0.17% 365,720 View
Large Robeco Institutional Asset Management B.V. $86,067,833 0.16% 352,477 View
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM $85,158,507 0.16% 348,753 View
Large Russell Investments Group, Ltd. $80,843,109 0.15% 331,080 View
Mega CITADEL ADVISORS LLC $79,920,114 0.15% 327,300 View
Large Korea Investment CORP $78,751,712 0.15% 322,515 View
Large Calamos Advisors LLC $77,932,244 0.15% 319,159 View
Mid Merewether Investment Management, LP $75,817,890 0.15% 310,500 View
Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC $67,638,592 0.13% 277,003 View
Mega FIRST TRUST ADVISORS LP $67,511,618 0.13% 276,483 View
Mega JANE STREET GROUP, LLC $66,929,738 0.13% 274,100 View
Large AVIVA PLC $66,080,235 0.13% 270,621 View
Large STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM $65,738,383 0.13% 269,221 View
Large NEW YORK STATE TEACHERS RETIREMENT SYSTEM $62,806,758 0.12% 257,215 View
Large BANK OF NOVA SCOTIA $62,483,707 0.12% 255,892 View
Mid KBC Group NV $61,306,516 0.12% 251,071 View
Large Rockefeller Capital Management L.P. $61,115,321 0.12% 250,288 View
Mid HM PAYSON & CO $59,870,249 0.11% 245,189 View
Large PEAK6 LLC $59,384,576 0.11% 243,200 View
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $58,422,506 0.11% 239,260 View
Large TEACHER RETIREMENT SYSTEM OF TEXAS $58,392,716 0.11% 239,138 View
Large CANADA LIFE ASSURANCE Co $57,760,779 0.11% 236,550 View
Large Mitsubishi UFJ Trust & Banking Corp $56,772,338 0.11% 232,502 View
Large PRUDENTIAL FINANCIAL INC $54,197,947 0.10% 221,959 View
Large HighTower Advisors, LLC $53,896,630 0.10% 220,725 View
Mid REAVES W H & CO INC $53,869,770 0.10% 220,615 View
Mid MEYER HANDELMAN CO $53,579,929 0.10% 219,428 View
Page 1 of 20
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