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Marathon Petroleum Corp

MPC
Exchange
NYSE
Industry
Petroleum Refining
SEC CIK
0001510295

In the last 90 days, Marathon Petroleum Corp insiders filed 0 open-market purchases and 5 sales; 1,954 institutions reported holding it in 13F filings for Q2 2026, worth $56.0B in total; Harris Associates (Oakmark) is the only superinvestor holding it.

13F holders, Q1 2026

Institutional positions in Marathon Petroleum Corp as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,897
+243 vs. Q4 2025
Shares held
221.0M
+38.8M (+21.3%) vs. Q4 2025
Total value
$53.9B
+$24.3B (+81.8%) vs. Q4 2025
New holders
353
568 more added
Sold out
110
678 more reduced

25 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MPC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 1,897 institutions
Q1 2021: 976 institutionsQ2 2021: 1,004 institutionsQ3 2021: 1,008 institutionsQ4 2021: 1,098 institutionsQ1 2022: 1,185 institutionsQ2 2022: 1,234 institutionsQ3 2022: 1,293 institutionsQ4 2022: 1,391 institutionsQ1 2023: 1,442 institutionsQ2 2023: 1,356 institutionsQ3 2023: 1,476 institutionsQ4 2023: 1,554 institutionsQ1 2024: 1,692 institutionsQ2 2024: 1,653 institutionsQ3 2024: 1,583 institutionsQ4 2024: 1,562 institutionsQ1 2025: 1,564 institutionsQ2 2025: 1,572 institutionsQ3 2025: 1,662 institutionsQ4 2025: 1,679 institutionsQ1 2026: 1,897 institutionsQ2 2026: 1,954 institutions
Value heldQ1 2026: $53.9B
Q1 2021: $27.0BQ2 2021: $29.5BQ3 2021: $29.6BQ4 2021: $28.9BQ1 2022: $36.1BQ2 2022: $32.3BQ3 2022: $36.1BQ4 2022: $40.9BQ1 2023: $44.3BQ2 2023: $35.4BQ3 2023: $43.8BQ4 2023: $41.1BQ1 2024: $52.7BQ2 2024: $43.4BQ3 2024: $38.9BQ4 2024: $32.4BQ1 2025: $33.7BQ2 2025: $38.5BQ3 2025: $42.4BQ4 2025: $36.4BQ1 2026: $53.9BQ2 2026: $56.0B
Institutions holding MPC and their total value by quarter
QuarterHoldersValue
Q2 20261,954$56.0B
Q1 20261,897$53.9B
Q4 20251,679$36.4B
Q3 20251,662$42.4B
Q2 20251,572$38.5B
Q1 20251,564$33.7B
Q4 20241,562$32.4B
Q3 20241,583$38.9B
Q2 20241,653$43.4B
Q1 20241,692$52.7B
Q4 20231,554$41.1B
Q3 20231,476$43.8B
Q2 20231,356$35.4B
Q1 20231,442$44.3B
Q4 20221,391$40.9B
Q3 20221,293$36.1B
Q2 20221,234$32.3B
Q1 20221,185$36.1B
Q4 20211,098$28.9B
Q3 20211,008$29.6B
Q2 20211,004$29.5B
Q1 2021976$27.0B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Marathon Petroleum Corp; share changes are against Q4 2025.

Institutions holding MPC in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
CIBC Asset Management Inc74,348$18.2M0.04%−40−0.1%Reduced
PensionDanmark Pensionsforsikringsaktieselskab74,235$18.1M0.18%+7,146+10.7%Added
CCM Investment Advisers LLC74,123$18.1M1.73%−2,181−2.9%Reduced
Mediolanum International Funds Ltd73,034$17.9M0.19%+29,827+69.0%Added
Anchor Capital Advisors LLC72,629$17.7M0.50%+4,316+6.3%Added
DnB Asset Management AS69,578$17.0M0.06%+7,547+12.2%Added
JustInvest LLC69,235$16.9M0.17%−441−0.6%Reduced
MetLife Investment Management69,022$16.9M0.09%−3,093−4.3%Reduced
Wiley Bros.-Aintree Capital, LLC69,388$16.8M0.08%+7,146+11.5%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys68,718$16.8M0.09%−1,204−1.7%Reduced
Crossmark Global Holdings, Inc.68,213$16.7M0.25%−3,079−4.3%Reduced
Amalgamated Bank67,910$16.6M0.13%+7,892+13.1%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.68,471$16.6M0.02%−10,575−13.4%Reduced
Illinois Municipal Retirement Fund67,266$16.4M0.21%−8,874−11.7%Reduced
Cambridge Investment Research Advisors, Inc.67,101$16.4M0.04%−2,909−4.2%Reduced
Sanibel Captiva Trust Company, Inc.66,044$16.1M0.45%−210−0.3%Reduced
GF Fund Management Co. Ltd.64,938$15.9M0.27%+7,891+13.8%Added
FIL Ltd64,244$15.7M0.01%−34,903−35.2%Reduced
North Point Portfolio Managers Corp63,596$15.5M2.77%−12,071−16.0%Reduced
We Are One Seven, LLC63,459$15.5M0.31%+875+1.4%Added
Schroder Investment Management Group63,193$15.5M0.01%−24,044−27.6%Reduced
Retirement Systems of Alabama62,646$15.3M0.05%−1,304−2.0%Reduced
Kestra Advisory Services, LLC62,642$15.3M0.06%+8,963+16.7%Added
AlphaCore Capital LLC62,628$15.3M0.36%−2,591−4.0%Reduced
Mirae Asset Global Investments Co., Ltd.58,553$14.3M0.04%+8,166+16.2%Added
Woodline Partners LP58,000$14.2M0.05%+6,649+12.9%Added
Swiss Life Asset Management Ltd57,820$14.1M0.07%+8,110+16.3%Added
Pathstone Holdings, LLC57,787$14.1M0.06%−640−1.1%Reduced
Kingsview Wealth Management, LLC56,737$13.9M0.19%+33,596+145.2%Added
Daiwa Securities Group Inc.56,684$13.8M0.04%−8,652−13.2%Reduced
Kempen Capital Management N.V.55,188$13.5M0.12%−5,011−8.3%Reduced
LGT Group Foundation54,398$13.3M0.16%+1,614+3.1%Added
Advisory Services Network, LLC52,880$12.9M0.17%+3,536+7.2%Added
B. Metzler seel. Sohn & Co. AG52,847$12.9M0.12%−6,775−11.4%Reduced
ProShare Advisors LLC52,067$12.7M0.02%−13,508−20.6%Reduced
Mutual of America Capital Management LLC51,653$12.6M0.14%+15,951+44.7%Added
Pensionmark Financial Group, LLC51,590$12.6M0.20%−1,265−2.4%Reduced
Capitolis Liquid Global Markets LLC51,500$12.6M0.08%+51,500New
Nomura Asset Management International Inc.51,193$12.5M0.02%−837−1.6%Reduced
Xponance, Inc.50,680$12.4M0.09%+6,716+15.3%Added
IFM Investors Pty Ltd50,282$12.3M0.10%+2,385+5.0%Added
Kirr Marbach & Co LLC49,984$12.2M2.22%+104+0.2%Added
ExodusPoint Capital Management, LP49,764$12.2M0.12%+49,764New
Truist Financial Corp49,578$12.1M0.02%−6,100−11.0%Reduced
Journey Advisory Group, LLC48,920$11.9M1.02%+7,820+19.0%Added
Utah Retirement Systems48,887$11.9M0.12%−1,716−3.4%Reduced
United Capital Management of KS, Inc.48,011$11.7M1.78%+1,188+2.5%Added
McIntyre Freedman & Flynn Investment Advisers Inc47,901$11.7M6.63%−509−1.1%Reduced
Clear Trail Advisors, LLC47,342$11.6M1.92%−2,735−5.5%Reduced
Miller Howard Investments Inc47,097$11.5M0.31%+2,958+6.7%Added
White Pine Investment CO47,033$11.5M2.67%−2,128−4.3%Reduced
Northwestern Mutual Wealth Management Co46,761$11.4M0.01%+6,751+16.9%Added
Police & Firemen's Retirement System of New Jersey46,250$11.3M0.10%−141−0.3%Reduced
Private Management Group Inc45,000$11.0M0.32%00.0%Unchanged
Ilmarinen Mutual Pension Insurance Co45,000$11.0M0.09%+45,000New
AG2R la Mondiale Gestion D'Actifs44,542$10.9M0.49%+590+1.3%Added
Yousif Capital Management, LLC44,536$10.9M0.13%−2,469−5.3%Reduced
Rakuten Investment Management, Inc.44,060$10.8M0.02%+4,371+11.0%Added
New York Life Investment Management LLC43,948$10.7M0.09%+203+0.5%Added
Sterling Capital Management LLC43,845$10.7M0.20%−5,205−10.6%Reduced
State of Alaska, Department of Revenue43,825$10.7M0.12%−1,030−2.3%Reduced
Kornitzer Capital Management Inc43,756$10.7M0.23%−4,075−8.5%Reduced
NEOS Investment Management LLC42,877$10.5M0.05%+4,093+10.6%Added
Aventail Capital Group, LP42,426$10.4M0.50%+32,649+333.9%Added
Huntington National Bank42,195$10.3M0.06%+8,632+25.7%Added
La Banque Postale Asset Management SA41,827$10.2M0.14%+15,946+61.6%Added
KWMG, LLC41,735$10.2M0.85%+600+1.5%Added
British Columbia Investment Management Corp41,433$10.1M0.06%−12,424−23.1%Reduced
RiverFront Investment Group, LLC41,342$10.1M0.16%+10,869+35.7%Added
Assetmark, Inc41,255$10.1M0.02%+1,273+3.2%Added
Alpha Omega Wealth Management LLC41,226$10.1M1.63%−1,859−4.3%Reduced
Blair William & Co41,132$10.0M0.03%−13,217−24.3%Reduced
Alphadyne Asset Management LP40,300$9.84M1.29%+35,130+679.5%Added
Easterly Investment Partners LLC39,968$9.77M0.75%−15,515−28.0%Reduced
Spirit of America Management Corp39,875$9.74M1.92%+300+0.8%Added
Sumitomo Mitsui DS Asset Management Company, Ltd39,640$9.68M0.08%+340+0.9%Added
Public Employees Retirement Association of Colorado39,500$9.64M0.04%−126−0.3%Reduced
Advisory Research Inc38,987$9.52M1.17%+38,987New
Intech Investment Management LLC38,986$9.52M0.09%+27,059+226.9%Added
Glenmede Trust Co NA38,535$9.41M0.05%−1,807−4.5%Reduced
Nissay Asset Management Corp38,498$9.40M0.05%+120+0.3%Added
Commerce Bank37,810$9.23M0.04%+5,429+16.8%Added
Cambria Investment Management, L.P.37,660$9.20M0.51%−9,273−19.8%Reduced
Tocqueville Asset Management L.P.37,640$9.19M0.14%+953+2.6%Added
Manning & Napier Advisors LLC37,416$9.17M0.13%−4,198−10.1%Reduced
WS Management LLLP37,378$9.13M1.19%00.0%Unchanged
Sitrin Capital Management LLC37,225$9.09M4.56%−37−0.1%Reduced
Cherokee Insurance Co37,058$9.05M3.43%−4,500−10.8%Reduced
Pinnacle Associates Ltd36,818$8.99M0.12%+659+1.8%Added
Emerald Investment Advisers, LLC36,551$8.93M0.80%+36,551New
Engineers Gate Manager LP36,256$8.85M0.11%−89,303−71.1%Reduced
D.A. Davidson & Co.36,041$8.80M0.05%+3,952+12.3%Added
LGT Fund Management Co Ltd.35,706$8.72M0.38%+34,253+2,357.4%Added
Lido Advisors, LLC34,726$8.48M0.03%+3,439+11.0%Added
Eurizon Capital SGR S.p.A.34,449$8.42M0.03%−21,332−38.2%Reduced
Tulsa Wealth Advisors, INC34,166$8.34M1.46%−11,285−24.8%Reduced
Oregon Public Employees Retirement Fund33,759$8.24M0.11%−623−1.8%Reduced
Old National Bancorp33,297$8.13M0.14%−1,080−3.1%Reduced
First National Trust Co33,267$8.12M0.28%−50.0%Reduced
Oppenheimer Asset Management Inc.33,242$8.12M0.09%−269−0.8%Reduced