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S.A. Mason’s Marathon Petroleum MPC Stock Holding History

S.A. Mason’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
Q2 		$369K Hold
1,442
– – 0.11% 161
2026
Q1 		$352K Buy
1,442
+305
+27% +$61.6K 0.13% 149
2025
Q4 		$185K Buy
1,137
+202
+22% +$37.8K 0.07% 199
2025
Q3 		$180K Buy
+935
New +$164K 0.08% 193
2024
Q2 		– Sell
-535
Closed -$108K – 323
2024
Q1 		$108K Hold
535
– – 0.06% 208
2023
Q4 		$79.4K Hold
535
– – 0.05% 223
2023
Q3 		$81K Hold
535
– – 0.06% 224
2023
Q2 		$72.1K Hold
535
– – 0.05% 232
2023
Q1 		$72.1K Buy
+535
New +$66.9K 0.05% 232
2020
Q2 		– Sell
-335
Closed -$8K – 356
2020
Q1 		$8K Hold
335
– – 0.01% 332
2019
Q4 		$20K Buy
+335
New +$21K 0.02% 298

Other funds holding MPC

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

S.A. Mason's MPC Position: Q2 2026 in Review

S.A. Mason held its Marathon Petroleum (MPC) position steady in Q2 2026 at 1,442 shares worth $369K. The position accounts for 0.11% of the portfolio, ranked #161.

S.A. Mason first reported a position in MPC in Q4 2019 and has held it in 11 quarters since. 1,942 funds tracked by Wall St. Rank hold MPC as of Q2 2026.

  • S.A. Mason held 1,442 shares of Marathon Petroleum worth $369K as of Q2 2026.
  • S.A. Mason left its Marathon Petroleum share count unchanged in Q2 2026.
  • Marathon Petroleum made up 0.11% of S.A. Mason's portfolio in Q2 2026, its #161 holding.
  • S.A. Mason first reported a position in Marathon Petroleum in Q4 2019 and has held it in 11 quarters since.
  • 1,942 funds tracked by Wall St. Rank held Marathon Petroleum as of Q2 2026.

Based on S.A. Mason's 13F filing for Q2 2026, filed 31 Jul 2026.