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Stonebrook Private’s Marathon Petroleum MPC Stock Holding History

Stonebrook Private’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 		$2.75M Buy
10,770
+18
+0.2% +$4.42K 0.5% 40
2026
Q1 		$2.63M Sell
10,752
-547
-5% -$110K 0.56% 39
2025
Q4 		$1.84M Sell
11,299
-10,925
-49% -$2.04M 0.38% 56
2025
Q3 		$4.28M Buy
22,224
+615
+3% +$108K 0.93% 27
2025
Q2 		$3.58M Sell
21,609
-50
-0.2% -$7.5K 0.84% 25
2025
Q1 		$3.16M Sell
21,659
-549
-2% -$81.2K 0.82% 32
2024
Q4 		$3.1M Sell
22,208
-7,318
-25% -$1.12M 0.81% 30
2024
Q3 		$4.81M Sell
29,526
-1,288
-4% -$218K 1.27% 23
2024
Q2 		$5.35M Buy
30,814
+3,154
+11% +$587K 1.54% 16
2024
Q1 		$5.57M Buy
27,660
+2,132
+8% +$365K 1.63% 15
2023
Q4 		$3.79M Buy
+25,528
New +$3.79M 1.27% 22

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

Stonebrook Private's MPC Position: Q2 2026 in Review

Stonebrook Private increased its Marathon Petroleum (MPC) stake by 0.17% in Q2 2026, buying an estimated $4.42K and bringing the position to 10,770 shares worth $2.75M. The position accounts for 0.5% of the portfolio, ranked #40.

Stonebrook Private first reported a position in MPC in Q4 2023 and has held it in 11 quarters since. The position peaked at $5.57M in Q1 2024. 1,942 funds tracked by Wall St. Rank hold MPC as of Q2 2026.

  • Stonebrook Private held 10,770 shares of Marathon Petroleum worth $2.75M as of Q2 2026.
  • Stonebrook Private bought 18 Marathon Petroleum shares in Q2 2026, an estimated $4.42K.
  • Marathon Petroleum made up 0.5% of Stonebrook Private's portfolio in Q2 2026, its #40 holding.
  • Stonebrook Private first reported a position in Marathon Petroleum in Q4 2023 and has held it in 11 quarters since.
  • Stonebrook Private's Marathon Petroleum position peaked at $5.57M in Q1 2024.
  • 1,942 funds tracked by Wall St. Rank held Marathon Petroleum as of Q2 2026.

Based on Stonebrook Private's 13F filing for Q2 2026, filed 14 Aug 2026.