Stock Ownership/MPC

MARATHON PETE CORP (MPC): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in MPC · Energy. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
31
13F filers
Aggregate Value
$1.5B
Across holders
Last Price
$362.52
2026-08-24
Sector
Energy
GICS
Quarterly fund activity15 increased16 reduced1 exited
Full exits: Brevan Howard Capital Management LP
Institutional Holders of MPC
↗
31 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund1.24M$316.8M21.1%0.2%Reduced+$312.7MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund828K$211.8M14.1%0.1%Added+$211.5MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund554K$141.7M9.4%0.2%Added+$131.4MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund455K$116.3M7.7%0.0%Added+$109.5MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund412K$105.4M7.0%0.0%Added$-119.6MQ2 2026
Bridgewater Associates, LP
CIK 0001350694
Hedge Fund349K$89.3M5.9%0.4%Added+$69.5MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund294K$75.1M5.0%0.1%Added+$71.5MQ2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund235K$60.1M4.0%0.1%Reduced$-1.0MQ2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund231K$59.0M3.9%0.1%Reduced$-252.6MQ2 2026
HARRIS ASSOCIATES L P
CIK 0000813917
Institutional Manager229K$58.6M3.9%0.1%Reduced$-646.9MQ2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$316.8M· 21.1% of total· 0.2% port· 1.24M sh· +$312.7M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$211.8M· 14.1% of total· 0.1% port· 828K sh· +$211.5M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$141.7M· 9.4% of total· 0.2% port· 554K sh· +$131.4M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$116.3M· 7.7% of total· 0.0% port· 455K sh· +$109.5M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$105.4M· 7.0% of total· 0.0% port· 412K sh· $-119.6M QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$89.3M· 5.9% of total· 0.4% port· 349K sh· +$69.5M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$75.1M· 5.0% of total· 0.1% port· 294K sh· +$71.5M QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Reduced
Hedge Fund
$60.1M· 4.0% of total· 0.1% port· 235K sh· $-1.0M QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$59.0M· 3.9% of total· 0.1% port· 231K sh· $-252.6M QoQ· Q2 2026
HARRIS ASSOCIATES L PReduced
Institutional Manager
$58.6M· 3.9% of total· 0.1% port· 229K sh· $-646.9M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPReduced
Hedge Fund
$57.1M· 3.8% of total· 0.0% port· 223K sh· $-47.9M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$45.6M· 3.0% of total· 0.0% port· 178K sh· +$41.3M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$32.2M· 2.1% of total· 0.0% port· 126K sh· +$28.7M QoQ· Q2 2026
Holocene Advisors, LPReduced
Hedge Fund
$31.6M· 2.1% of total· 0.1% port· 124K sh· $-74.2M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$25.3M· 1.7% of total· 0.1% port· 99K sh· +$1.7M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$16.3M· 1.1% of total· 0.1% port· 64K sh· +$1.5M QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$12.8M· 0.9% of total· 0.2% port· 50K sh· — QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$9.3M· 0.6% of total· 0.0% port· 37K sh· $-7.2M QoQ· Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLCAdded
Institutional Manager
$6.5M· 0.4% of total· 0.0% port· 26K sh· +$264K QoQ· Q2 2026
TCW GROUP INCAdded
Hedge Fund
$6.3M· 0.4% of total· 0.0% port· 25K sh· +$590K QoQ· Q2 2026
Lighthouse Investment Partners, LLCReduced
Hedge Fund
$5.1M· 0.3% of total· 0.1% port· 20K sh· $-956K QoQ· Q2 2026
Verition Fund Management LLCReduced
Hedge Fund
$5.1M· 0.3% of total· 0.0% port· 20K sh· $-2.1M QoQ· Q2 2026
Alphadyne Asset Management LPReduced
Hedge Fund
$5.0M· 0.3% of total· 0.0% port· 20K sh· $-3.9M QoQ· Q2 2026
Fisher Asset Management, LLCReduced
Institutional Manager
$4.4M· 0.3% of total· 0.0% port· 17K sh· $-256K QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$2.3M· 0.2% of total· 0.0% port· 9K sh· +$503K QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$1.8M· 0.1% of total· 0.0% port· 7K sh· $-4K QoQ· Q2 2026
Bridgewater Advisors Inc.Added
Hedge Fund
$406K· 0.0% of total· 0.0% port· 2K sh· +$3K QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$134K· 0.0% of total· 0.0% port· 523 sh· $-7.5M QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$40K· 0.0% of total· 0.0% port· 158 sh· $-5.2M QoQ· Q2 2026
Fulcrum Asset Management LLPReduced
Hedge Fund
$3K· 0.0% of total· 0.0% port· 11 sh· $-4.4M QoQ· Q2 2026
Parallax Volatility Advisers, L.P.Reduced
Hedge Fund
$767· 0.0% of total· 0.0% port· 3 sh· $-332K QoQ· Q2 2026
1–10 of 31
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