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Equibles

MPC

Marathon Petroleum Corp

Company with tickers: MPC

CIK
1510295
CUSIP
56585A102
Shares Outstanding
291,936,635
13F Activity (30d)
117 filings 49 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 1,887
Total Value: $56,302,673,793
Total Shares: 230,578,569
Showing 1–100 of 1,940 holdings by value · page 1 of 20

Institutional Ownership Trend

25 quarters

Superinvestors Holding MPC

All superinvestors →
Bill Nygren $685,162,242 Joel Greenblatt $22,558,813 Ray Dalio $18,870,962 Mario Gabelli $1,702,911

Holder Concentration

Across 1,887 13F filers · Δ vs Dec 31, 2025
Top Holder
11.7%
Jun 2023 → Mar 2026 · range 11.7% – 17.0%
−5.1 pts
Top 5
36.7%
Jun 2023 → Mar 2026 · range 36.7% – 42.5%
−4.3 pts
Top 10
49.1%
Jun 2023 → Mar 2026 · range 47.3% – 54.8%
−3.4 pts
HHI
389
Jun 2023 → Mar 2026 · range 389 – 537
Broadly held−127

Quarterly Activity

vs Dec 31, 2025
New
348
Increased
566
Decreased
678
Sold Out
138
Unchanged
295
Holder count: +210
Institutional value: +51.6%
Shares held: +1.0%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega BlackRock, Inc. +1,969,621 24,394,842
Mega FMR LLC +1,439,068 4,911,081
Mega STATE STREET CORP +1,090,693 19,025,020
Mega TWO SIGMA INVESTMENTS, LP +664,752 1,557,286
Large PANAGORA ASSET MANAGEMENT INC +410,318 551,934

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
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
Mega VICTORY CAPITAL MANAGEMENT INC −633,211 422,686

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 41,317,661 $10,088,946,462
Mega VANGUARD FIDUCIARY TRUST CO 1,660,886 $405,555,143
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) Open
Mega VANGUARD GROUP INC 38,291,917 $6,227,414,459
Mega NORGES BANK 2,904,209 $472,311,509
Large TWO SIGMA ADVISERS, LP 1,361,200 $221,371,956
Mid Pacer Advisors, Inc. 1,306,749 $212,516,589
Large VOLORIDGE INVESTMENT MANAGEMENT, LLC 253,053 $41,154,009
Filter: New 348 Increased 566 Reduced 678 Sold out 138 Unchanged 295
Showing 100 of 1,940
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $5,956,732,506 10.58% 24,394,842
Mega VANGUARD CAPITAL MANAGEMENT LLC $5,407,992,910 9.61% 22,147,567
Mega VANGUARD CAPITAL MANAGEMENT LLC $4,680,953,552 8.31% 19,170,094
Mega STATE STREET CORP $4,645,529,383 8.25% 19,025,020
Mega GEODE CAPITAL MANAGEMENT, LLC $1,909,859,730 3.39% 7,821,524
Mega MORGAN STANLEY $1,483,037,723 2.63% 6,073,543
Mega RAYMOND JAMES FINANCIAL INC $1,409,838,912 2.50% 5,773,769
Large Boston Partners $1,379,422,630 2.45% 5,649,204
Mega WELLINGTON MANAGEMENT GROUP LLP $1,376,488,317 2.44% 5,637,187
Mega FMR LLC $1,199,187,757 2.13% 4,911,081
Mega Bank of New York Mellon Corp Bank $965,321,176 1.71% 3,953,318
Mega JPMORGAN CHASE & CO $838,956,565 1.49% 3,435,812
Mega NORTHERN TRUST CORP Bank $775,727,868 1.38% 3,176,869
Mega DIMENSIONAL FUND ADVISORS LP $754,023,442 1.34% 3,087,982
Mega Invesco Ltd. $690,698,528 1.23% 2,828,645
Large HARRIS ASSOCIATES L P $685,162,242 1.22% 2,805,972
Mega GOLDMAN SACHS GROUP INC $672,677,560 1.19% 2,754,843
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $666,462,206 1.18% 2,729,389
Mega BANK OF AMERICA CORP /DE/ Bank $633,667,607 1.13% 2,595,084
Mega AMERIPRISE FINANCIAL INC $543,101,490 0.96% 2,224,185
Mega Amundi $465,255,441 0.83% 1,905,379
Large Allianz Asset Management GmbH $415,020,048 0.74% 1,699,648
Mega UBS Group AG $408,868,419 0.73% 1,674,455
Mega Legal & General Group Plc $405,601,536 0.72% 1,661,076
Mega VANGUARD FIDUCIARY TRUST CO Bank $405,555,143 0.72% 1,660,886
Large Capital Wealth Planning, LLC $400,776,296 0.71% 1,641,315
Large US BANCORP \DE\ Bank $378,126,402 0.67% 1,548,556
Mega TWO SIGMA INVESTMENTS, LP $372,200,155 0.66% 1,524,286
Mega PRINCIPAL FINANCIAL GROUP INC $371,036,392 0.66% 1,519,520
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $315,676,632 0.56% 1,292,803
Mega PRICE T ROWE ASSOCIATES INC /MD/ $313,305,404 0.56% 1,283,092
Large LSV ASSET MANAGEMENT $312,998,226 0.56% 1,281,834
Mega CANADA PENSION PLAN INVESTMENT BOARD Pension $273,865,695 0.49% 1,121,573
Mega DEUTSCHE BANK AG\ Bank $273,232,287 0.49% 1,118,979
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $254,850,666 0.45% 1,043,700
Mega Nuveen, LLC $240,433,789 0.43% 984,658
Mega National Pension Service Pension $225,348,838 0.40% 922,880
Large LORD, ABBETT & CO. LLC $224,086,671 0.40% 917,711
Mega Swiss National Bank Bank $215,407,293 0.38% 882,166
Mega ROYAL BANK OF CANADA Bank $209,559,665 0.37% 858,218
Mega BARCLAYS PLC $206,997,488 0.37% 847,725
Mega WELLS FARGO & COMPANY/MN $200,924,488 0.36% 822,854
Mega Vanguard Global Advisers, LLC $171,195,574 0.30% 701,104
Mega Mitsubishi UFJ Asset Management Co., Ltd. $164,775,838 0.29% 674,813
Large VOYA INVESTMENT MANAGEMENT LLC $158,379,298 0.28% 648,617
Mega Sumitomo Mitsui Trust Group, Inc. $157,206,746 0.28% 643,815
Large JONES FINANCIAL COMPANIES LLLP $151,822,576 0.27% 621,765
Mega RHUMBLINE ADVISERS $151,107,130 0.27% 618,835
Large FIFTH THIRD BANCORP Bank $145,973,489 0.26% 597,811
Mega BNP PARIBAS ARBITRAGE, SA $144,544,548 0.26% 591,959
Mega VANGUARD ASSET MANAGEMENT, Ltd $138,784,342 0.25% 568,369
Large Mariner, LLC $135,166,081 0.24% 553,551
Large PANAGORA ASSET MANAGEMENT INC $134,771,244 0.24% 551,934
Mega CITIGROUP INC $131,505,090 0.23% 538,558
Mega California Public Employees Retirement System Pension $131,086,079 0.23% 536,842
Large ACADIAN ASSET MANAGEMENT LLC $129,558,977 0.23% 530,588
Mega BANK OF MONTREAL /CAN/ Bank $129,042,044 0.23% 528,471
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $129,024,712 0.23% 528,400
Large LOS ANGELES CAPITAL MANAGEMENT LLC $122,491,920 0.22% 501,646
Large AustralianSuper Pty Ltd $119,538,074 0.21% 489,549
Mega HSBC HOLDINGS PLC $119,447,237 0.21% 489,177
Mega CITADEL ADVISORS LLC $108,708,936 0.19% 445,200
Large Thrivent Financial for Lutherans $106,666,857 0.19% 436,837
Mega AQR CAPITAL MANAGEMENT LLC $105,633,729 0.19% 432,606
Mega MILLENNIUM MANAGEMENT LLC $105,470,865 0.19% 431,939
Mega LPL Financial LLC $103,615,829 0.18% 424,342
Mega VICTORY CAPITAL MANAGEMENT INC $103,211,467 0.18% 422,686
Large Holocene Advisors, LP $101,123,240 0.18% 414,134
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $100,225,878 0.18% 410,459
Mid Empyrean Capital Partners, LP $97,208,058 0.17% 398,100
Mega FRANKLIN RESOURCES INC $97,160,680 0.17% 397,906
Large NATIXIS ADVISORS, LLC $96,320,218 0.17% 394,464
Large FEDERATED HERMES, INC. $94,571,157 0.17% 387,301
Large MARSHALL WACE, LLP $93,602,983 0.17% 383,336
Mega ALLIANCEBERNSTEIN L.P. $90,242,090 0.16% 369,572
Large Squarepoint Ops LLC $90,213,033 0.16% 369,453
Mega ENVESTNET ASSET MANAGEMENT INC $89,301,509 0.16% 365,720
Large Robeco Institutional Asset Management B.V. $86,067,833 0.15% 352,477
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $85,158,507 0.15% 348,753
Mega PNC FINANCIAL SERVICES GROUP, INC. $84,030,148 0.15% 344,132
Large Russell Investments Group, Ltd. $80,843,109 0.14% 331,080
Mega CITADEL ADVISORS LLC $79,920,114 0.14% 327,300
Large Korea Investment CORP $78,751,712 0.14% 322,515
Large Calamos Advisors LLC $77,932,244 0.14% 319,159
Mid Merewether Investment Management, LP $75,817,890 0.13% 310,500
Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC $67,638,592 0.12% 277,003
Mega FIRST TRUST ADVISORS LP $67,511,618 0.12% 276,483
Mega JANE STREET GROUP, LLC $66,929,738 0.12% 274,100
Large AVIVA PLC $66,080,235 0.12% 270,621
Large STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM Pension $65,738,383 0.12% 269,221
Large NEW YORK STATE TEACHERS RETIREMENT SYSTEM Pension $62,806,758 0.11% 257,215
Large BANK OF NOVA SCOTIA Bank $62,483,707 0.11% 255,892
Large KBC Group NV $61,306,516 0.11% 251,071
Large Rockefeller Capital Management L.P. $61,115,321 0.11% 250,288
Mid HM PAYSON & CO $59,870,249 0.11% 245,189
Large PEAK6 LLC $59,384,576 0.11% 243,200
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $58,422,506 0.10% 239,260
Large TEACHER RETIREMENT SYSTEM OF TEXAS Pension $58,392,716 0.10% 239,138
Large CANADA LIFE ASSURANCE Co Insurance $57,760,779 0.10% 236,550
Large Mitsubishi UFJ Trust & Banking Corp $56,772,338 0.10% 232,502

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