MIM
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Merewether Investment Management’s Marathon Petroleum MPC Stock Holding History

Merewether Investment Management’s Portfolio MPC Stock Details MPC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$75.8M Buy
+310,500
New +$62.7M 1.47% 24
2025
Q3 		– Sell
-214,000
Closed -$35.5M – 82
2025
Q2 		$35.5M Buy
+214,000
New +$32.1M 1.02% 36
2024
Q3 		– Sell
-156,000
Closed -$27.1M – 50
2024
Q2 		$27.1M Sell
156,000
-78,400
-33% -$14.6M 1.43% 24
2024
Q1 		$47.2M Buy
+234,400
New +$40.1M 2.51% 14
2023
Q3 		– Sell
-304,085
Closed -$35.5M – 46
2023
Q2 		$35.5M Sell
304,085
-110,270
-27% -$12.8M 2.58% 17
2023
Q1 		$55.9M Buy
+414,355
New +$51.8M 4.95% 8
2022
Q4 		– Sell
-754,355
Closed -$74.9M – 35
2022
Q3 		$74.9M Buy
+754,355
New +$70.6M 7.51% 2

Other funds holding MPC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Merewether Investment Management's MPC Position: Q1 2026 in Review

Merewether Investment Management opened a new position in Marathon Petroleum (MPC) in Q1 2026: 310,500 shares worth $75.8M. The stake represents 1.47% of the portfolio and ranks #24 among its holdings. This is a return to the name: Merewether Investment Management previously reported a position in MPC as recently as Q2 2025.

Merewether Investment Management first reported a position in MPC in Q3 2022 and has held it in 7 quarters since. 1,885 funds tracked by Wall St. Rank hold MPC as of Q1 2026.

  • Merewether Investment Management held 310,500 shares of Marathon Petroleum worth $75.8M as of Q1 2026.
  • Marathon Petroleum was a new Merewether Investment Management position in Q1 2026.
  • Marathon Petroleum made up 1.47% of Merewether Investment Management's portfolio in Q1 2026, its #24 holding.
  • Merewether Investment Management first reported a position in Marathon Petroleum in Q3 2022 and has held it in 7 quarters since.
  • 1,885 funds tracked by Wall St. Rank held Marathon Petroleum as of Q1 2026.

Based on Merewether Investment Management's 13F filing for Q1 2026, filed 15 May 2026.