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Rossby Financial’s Marathon Petroleum MPC Stock Holding History

Rossby Financial’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 		$24.5K Sell
96
-80
-45% -$19.6K ﹤0.01% 918
2026
Q1 		$41.9K Buy
176
+92
+110% +$18.6K 0.01% 791
2025
Q4 		$13.7K Hold
84
– – ﹤0.01% 845
2025
Q3 		$16.2K Hold
84
– – 0.01% 756
2025
Q2 		$14K Buy
84
+24
+40% +$3.6K 0.01% 721
2025
Q1 		$8.25K Buy
+60
New +$8.88K ﹤0.01% 750

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

Rossby Financial's MPC Position: Q2 2026 in Review

Rossby Financial reduced its Marathon Petroleum (MPC) stake by 45% in Q2 2026, selling an estimated $19.6K and leaving 96 shares worth $24.5K. The position accounts for ﹤0.01% of the portfolio, ranked #918.

Rossby Financial first reported a position in MPC in Q1 2025 and has held it in 6 quarters since. The position peaked at $41.9K in Q1 2026. 1,948 funds tracked by Wall St. Rank hold MPC as of Q2 2026.

  • Rossby Financial held 96 shares of Marathon Petroleum worth $24.5K as of Q2 2026.
  • Rossby Financial sold 80 Marathon Petroleum shares in Q2 2026, an estimated $19.6K.
  • Marathon Petroleum made up ﹤0.01% of Rossby Financial's portfolio in Q2 2026, its #918 holding.
  • Rossby Financial first reported a position in Marathon Petroleum in Q1 2025 and has held it in 6 quarters since.
  • Rossby Financial's Marathon Petroleum position peaked at $41.9K in Q1 2026.
  • 1,948 funds tracked by Wall St. Rank held Marathon Petroleum as of Q2 2026.

Based on Rossby Financial's 13F filing for Q2 2026, filed 4 Aug 2026.