I
MPC icon

InceptionR’s Marathon Petroleum MPC Stock Holding History

InceptionR’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 		– Sell
-1,649
Closed -$268K – 804
2025
Q4 		$268K Sell
1,649
-3,116
-65% -$582K 0.07% 466
2025
Q3 		$918K Sell
4,765
-553
-10% -$97.3K 0.22% 151
2025
Q2 		$883K Buy
+5,318
New +$797K 0.2% 176
2025
Q1 		– Sell
-8,466
Closed -$1.18M – 731
2024
Q4 		$1.18M Buy
8,466
+1,280
+18% +$195K 0.26% 124
2024
Q3 		$1.17M Buy
+7,186
New +$1.21M 0.29% 98
2024
Q2 		– Sell
-6,438
Closed -$1.3M – 764
2024
Q1 		$1.3M Buy
6,438
+4,598
+250% +$786K 0.33% 84
2023
Q4 		$273K Sell
1,840
-4,006
-69% -$595K 0.19% 243
2023
Q3 		$885K Buy
+5,846
New +$815K 0.5% 31
2023
Q1 		– Sell
-2,800
Closed -$326K – 532
2022
Q4 		$326K Buy
+2,800
New +$319K 0.17% 262

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

InceptionR's MPC Position: Q1 2026 in Review

InceptionR sold out of Marathon Petroleum (MPC) in Q1 2026, closing a stake of 1,649 shares — an estimated $268K sold.

InceptionR first reported a position in MPC in Q4 2022 and held it in 9 quarters. The position peaked at $1.3M in Q1 2024. 1,882 funds tracked by Wall St. Rank hold MPC as of Q1 2026.

  • InceptionR reported no remaining Marathon Petroleum position as of Q1 2026 after selling out during the quarter.
  • InceptionR sold 1,649 Marathon Petroleum shares in Q1 2026, an estimated $268K.
  • InceptionR first reported a position in Marathon Petroleum in Q4 2022 and held it in 9 quarters.
  • InceptionR's Marathon Petroleum position peaked at $1.3M in Q1 2024.
  • 1,882 funds tracked by Wall St. Rank held Marathon Petroleum as of Q1 2026.

Based on InceptionR's 13F filing for Q1 2026, filed 14 May 2026.