Marathon Petroleum

MPC • NYSE

Marathon Petroleum is a oil & gas refining & marketing company in the energy sector on NYSE, led by Maryann T. Mannen, with a market cap of $57.2B. As of Q3 2025, 72% of shares are held by 1,604 institutional investors, with VANGUARD GROUP INC as the largest holder at 12.61%.

Chief Executive OfficerMaryann T. Mannen

Market Cap$57.2B

Oil & Gas Refining & Marketing

Energy

Employees18.2K

Websitemarathonpetroleum.com

Country

United States of America

Overview

Overview of institutional ownership in MPC as of Q3 2025 with a market cap of $58.6B

All Institutions

Institutions: 1,604
Value Held: $42.2B
Shares Held: 219.2M
Avg Position: $26.3M
Median Position: $727.5K

Hedge Funds

Hedge Funds: 71
Value Held: $1.8B
Shares Held: 9.1M
Avg Position: $24.8M
Median Position: $3.2M

Ownership Breakdown

Institutional (non-HF)

69.07%

$40.5B

Hedge Funds

3.01%

$1.8B

Retail & Other

27.92%

$16.4B

Based on market cap of $58.6B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in MPC as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$7.4B 0.11% of portfolio	12.61% 38.3M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
B BlackRock, Inc. Institution	-	$4.3B 0.08% of portfolio	7.37% 22.4M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$3.4B 0.12% of portfolio	5.88% 17.9M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
WELLINGTON MANAGEMENT CO LLP Long Only Manager	Edmund Wellington Iii President	$1.8B 0.32% of portfolio	3.08% 9.4M shares	≤ Q2 2013 Held for 12y 5m+	$571.21B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$1.5B 0.10% of portfolio	2.61% 7.9M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
Robeco Investment Management, Inc. Long Only Manager	Joseph Francis Feeney CEO	$1.2B 1.24% of portfolio	2.07% 6.3M shares	≤ Q2 2013 Held for 12y 5m+	$97.8B
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$1.2B 0.07% of portfolio	2.06% 6.3M shares	≤ Q2 2013 Held for 12y 5m+	$1.65T
RAYMOND JAMES FINANCIAL INC RIA/Wealth	Steven Robert Marcus CEO	$1.2B 0.37% of portfolio	1.98% 6.0M shares	Q4 2024 Held for 11 months	$310.43B
Bank of New York Mellon Corp Institution	Robin Vince CEO	$992.4M 0.18% of portfolio	1.69% 5.1M shares	≤ Q2 2013 Held for 12y 5m+	$556.34B
FMR LLC Institution	-	$787.7M 0.04% of portfolio	1.34% 4.1M shares	≤ Q2 2013 Held for 12y 5m+	$1.92T

Net Capital Flow

Institutional buying and selling activity for MPC in Q3 2025

Net Flow: −$1.9B
Buyers: 507
Sellers: 681
Total Bought: +$1.4B
Total Sold: −$3.3B
Avg Position: $27.7M

Biggest Buyers

Institution	Net Bought	Current Position
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$258.4M +1.3M shares	$285.8M 1.5M shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	+$149.5M +775.6K shares	$179.8M 932.8K shares
FMR LLC Institution	+$141.7M +734.9K shares	$787.7M 4.1M shares
TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy	+$99.7M +517.5K shares	$251.0M 1.3M shares
Q Qube Research & Technologies Ltd Institution	+$90.0M +467.1K shares	$90.0M 467.1K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$66.3M +344.0K shares	$66.3M 344.0K shares
R ROYAL BANK OF CANADA Institution	+$62.0M +321.9K shares	$227.5M 1.2M shares
A Amundi Institution	+$33.3M +172.2K shares	$314.8M 1.6M shares
S Squarepoint Ops LLC Hedge Fund•Quant	+$32.0M +166.0K shares	$72.1M 374.3K shares
Robeco Investment Management, Inc. Long Only Manager	+$27.3M +141.7K shares	$1.2B 6.3M shares

Biggest Sellers

Institution	Net Sold	Current Position
WELLINGTON MANAGEMENT CO LLP Long Only Manager	−$445.1M −2.3M shares	$1.8B 9.4M shares
P Pacer Advisors, Inc. Institution	−$380.6M −2.0M shares	$6.4M 33.4K shares
B BlackRock, Inc. Institution	−$193.0M −1.0M shares	$4.3B 22.4M shares
GOLDMAN SACHS GROUP INC Institution	−$160.7M −833.9K shares	$432.0M 2.2M shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	−$133.0M −689.9K shares	$274.3M 1.4M shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$112.6M −584.0K shares	$14.6M 75.6K shares
STATE STREET CORP Institution	−$106.8M −554.0K shares	$3.4B 17.9M shares
JPMORGAN CHASE & CO Institution	−$105.3M −546.2K shares	$543.1M 2.8M shares
AMERIPRISE FINANCIAL INC Institution	−$103.6M −537.3K shares	$432.6M 2.2M shares
VANGUARD GROUP INC Institution	−$100.5M −521.4K shares	$7.4B 38.3M shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited MPC in Q3 2025

New Positions: 53
New Value: $26.3M
Exited Positions: 75
Exited Value: $186.6M

New Positions

Institution	Position Value
P Praetorian PR LLC Hedge Fund•Long/Short	$13.5M 70.0K shares
LEE JOHNSON CAPITAL MANAGEMENT, LLC RIA/Wealth	$2.5M 13.2K shares
F Fieldview Capital Management, LLC Hedge Fund•Long/Short	$1.3M 6.7K shares
T TEMA ETFS LLC Institution	$872.7K 4.5K shares
SUMMIT WEALTH GROUP LLC / CO RIA/Wealth	$632.5K 4.2K shares
P Polymer Capital Management LLC Hedge Fund•Multi-Strategy	$610.6K 3.2K shares
Douglass Winthrop Advisors, LLC RIA/Wealth	$553.7K 2.9K shares
T TABLEAUX LLC Institution	$510.4K 2.6K shares
T Torrey Growth & Income Advisors RIA/Wealth	$350.4K 1.8K shares
Drucker Wealth 3.0, LLC RIA/Wealth	$287.5K 1.5K shares

Exited Positions

Institution	Previous Position
Merewether Investment Management, LP Hedge Fund•Sector	$35.5M 214.0K shares
Bornite Capital Management LP Hedge Fund•Long/Short	$16.6M 100.0K shares
D DEPRINCE RACE & ZOLLO INC Long Only Manager	$16.4M 98.9K shares
Corigliano Investment Advisers, LLC Hedge Fund•Sector	$15.1M 90.8K shares
L Laurel Wealth Advisors LLC RIA/Wealth	$14.1M 84.9K shares
Y Yaupon Capital Management LP Hedge Fund•Multi-Strategy	$13.8M 83.4K shares
VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy	$11.2M 67.4K shares
Marshall Wace LLP Institution	$8.5M 51.2K shares
I Invenomic Capital Management LP Hedge Fund•Long/Short	$8.1M 48.5K shares
A AXA Institution	$6.6M 39.7K shares

Options Activity

Institutions with the largest Call and Put options positions in MPC as of Q3 2025

Call Positions: 39
Call Value: $669.3M
Put Positions: 37
Put Value: $537.1M

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$206.2M 10.7K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$71.6M 3.7K contracts
W WOLVERINE TRADING, LLC Institution	$43.5M 2.2K contracts
J JANE STREET GROUP, LLC Institution	$42.3M 2.2K contracts
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	$35.0M 1.8K contracts
CITIGROUP INC Institution	$25.8M 1.3K contracts
Walleye Trading LLC RIA/Wealth	$23.5M 1.2K contracts
T Twin Tree Management, LP Hedge Fund•Vol Arbitrage	$21.4M 1.1K contracts
WELLS FARGO & COMPANY/MN Institution	$21.3M 1.1K contracts
B BNP PARIBAS ARBITRAGE, SA Institution	$20.1M 10.4 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$149.6M 7.8K contracts
CITIGROUP INC Institution	$69.0M 3.6K contracts
B BNP PARIBAS ARBITRAGE, SA Institution	$47.9M 24.8 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$34.1M 1.8K contracts
J JANE STREET GROUP, LLC Institution	$27.7M 1.4K contracts
GOLDMAN SACHS GROUP INC Institution	$27.2M 1.4K contracts
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	$25.7M 1.3K contracts
Walleye Trading LLC RIA/Wealth	$23.4M 1.2K contracts
UBS Group AG Institution	$19.3M 1.0K contracts
BARCLAYS PLC Institution	$13.5M 703.0 contracts

Most Committed Institutions

Institutions with MPC as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
P Praetorian PR LLC Hedge Fund•Long/Short	Paul Nmn Zavaliy CFO	8.18% $13.5M	0.02% 70.0K shares	Q3 2025 Held for 2 months	$165.0M
Berry Wealth Group, LP RIA/Wealth	Michelle Leigh Berry President	8.10% $2.5M	0.00% 12.9K shares	Q4 2023 Held for 1y 11m	$30.6M
M MCINTYRE FREEDMAN & FLYNN INVESTMENT ADVISERS INC RIA/Wealth	Thomas Patrick Mcintyre President	5.93% $9.7M	0.02% 50.6K shares	Q4 2022 Held for 2y 11m	$164.5M
Empyrean Capital Partners, LP Hedge Fund•Event Driven	Amos Meron CIO	5.64% $108.4M	0.19% 562.5K shares	Q1 2025 Held for 8 months	$1.9B
Arrow Capital Pty Ltd Hedge Fund•Market Neutral	Tim Bolger COO	4.19% $7.3M	0.01% 25.0K shares	Q1 2025 Held for 8 months	$173.8M
Recurrent Investment Advisors LLC Long Only Manager	Mark Jason Laskin Managing Partner	4.15% $54.1M	0.09% 280.9K shares	Q4 2019 Held for 5y 11m	$1.3B
GREATMARK INVESTMENT PARTNERS, INC. RIA/Wealth	Jeffrey Guy Adams CCO	3.90% $32.5M	0.06% 168.5K shares	Q4 2016 Held for 8y 11m	$833.9M
Sitrin Capital Management LLC RIA/Wealth	Efren Edward Bolisay Managing Partner	3.42% $7.1M	0.01% 37.0K shares	Q1 2022 Held for 3y 8m	$208.4M
Summit Street Capital Management, LLC Hedge Fund•Value	Jennifer A. Wallace Managing Partner	3.29% $24.0M	0.04% 124.6K shares	Q1 2020 Held for 5y 8m	$729.0M
P PETROLEUM & RESOURCES CORP Institution	-	3.29% $21.7M	0.04% 112.5K shares	Q1 2018 Held for 7y 8m	$659.1M

Hedge Fund Spotlight

Discover hedge funds investing in MPC

Quent Capital, LLC

Hedge Fund • Long/Short

Portfolio ManagerWilliam Albert Jollie

Portfolio Value: $1.2B
Positions: 1,433
Last Reported: Q3 2025

Sector Allocation

Position in Marathon Petroleum

Market Value: $366.0K
Shares Held: 1.9K
Portfolio Weight: 0.03%
Owned Since: 2021-Q4

Top Holding	Sector	Market Value	Weight
1 Vanguard Russell 1000 Growth VONG	ETF ETF	$129.0M	10.81%
2 SPDR Nuveen Bloomberg Short Term Municipal Bond SHM	ETF ETF	$79.3M	6.64%
3 iShares MSCI EAFE Growth EFG	ETF ETF	$59.0M	4.94%