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MPC · XOM in the 13F filings

Two to four stocks side by side among the 95 tracked managers: who lists them, how that has moved, who bought and sold in a quarter, and which managers hold more than one.

MPCXOM
Quarter
Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023

Holders over time

Tracked managers listing each stock every quarter, at least, or their combined reported value. A gap is a quarter in which no tracked manager listed it. Click a quarter to compare there.
  • MPC
  • XOM
010203040202120222023202420252026
Holders and value by quarter
QuarterMPCXOM
Q3 202011 holders, $1.0bn21 holders, $7.1bn
Q4 202010 holders, $1.8bn28 holders, $8.0bn
Q1 202115 holders, $1.9bn27 holders, $11.5bn
Q2 202119 holders, $2.7bn28 holders, $13.4bn
Q3 202111 holders, $2.7bn30 holders, $13.0bn
Q4 202110 holders, $2.3bn29 holders, $14.2bn
Q1 202217 holders, $3.3bn37 holders, $20.3bn
Q2 202227 holders, $3.9bn30 holders, $23.2bn
Q3 202224 holders, $4.3bn27 holders, $25.6bn
Q4 202227 holders, $5.2bn32 holders, $62.9bn
Q1 202322 holders, $4.9bn29 holders, $32.9bn
Q2 202316 holders, $3.9bn30 holders, $32.1bn
Q3 202324 holders, $5.3bn30 holders, $35.1bn
Q4 202322 holders, $5.1bn38 holders, $30.7bn
Q1 202420 holders, $5.6bn32 holders, $36.5bn
Q2 202417 holders, $4.6bn33 holders, $42.7bn
Q3 202412 holders, $3.6bn28 holders, $42.3bn
Q4 202413 holders, $3.2bn33 holders, $37.4bn
Q1 202513 holders, $3.6bn32 holders, $39.3bn
Q2 202511 holders, $4.6bn28 holders, $32.5bn
Q3 202516 holders, $5.5bn29 holders, $33.1bn
Q4 202519 holders, $3.8bn33 holders, $36.0bn
Q1 202618 holders, $5.5bn32 holders, $54.7bn
Q2 202618 holders, $4.6bn31 holders, $44.7bn
MPC

Marathon Pete Corp

Holders
19
Reported value
$3.8bn
Buyers
23
Sellers
15

Breadth +8 among 92 comparable managers.

EnergyEnergy and power infrastructure · L3VLUPOil and gas
XOM

Exxon Mobil Corp

Holders
33
Reported value
$36.0bn
Buyers
22
Sellers
18

Breadth +4 among 92 comparable managers.

EnergyEnergy and power infrastructure · L3VLUPOil and gas

Who holds both, Q4 2025

Among the 43 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only MPC (10)

Bridgewater Associates LP, Caxton Associates LLP, Man Group PLC, Moore Capital Management LP, Quantbot Technologies LP, Renaissance Technologies LLC, Schonfeld Strategic Advisors LLC, Two Sigma Advisers LP, Two Sigma Investments LP, Voloridge Investment Management LLC

Only XOM (24)

AllianceBernstein LP, AQR Capital Management LLC, Balyasny Asset Management LLC, Capital Research Global Investors, Capital World Investors, Citadel Advisors LLC, D. E. Shaw & Co., Dodge & Cox, ExodusPoint Capital Management LP, First Eagle Investment Management LLC, Freestone Grove Partners LP, GAMCO Investors Inc, Holocene Advisors LP, Hudson Bay Capital Management LP, Janus Henderson Group Ltd, Markel Group Inc, MFS Investment Management, Millennium Management LLC, Neuberger Berman Group LLC, Point72 Asset Management LP, Squarepoint Ops LLC, Tudor Investment Corp, Winton Group Ltd, Woodline Partners LP

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. Buyers and sellers count comparable managers (those that filed both quarters) by shares, so a rise in value with no rise in shares is the price. Large books are listed to their largest positions. These are 95 tracked managers, not the institutional market.

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