Wellington Management Group
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Wellington Management Group’s Marathon Petroleum MPC Stock Holding History

Wellington Management Group’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
2016
Q2 		– Sell
-2,918
Closed -$759K – 2145
2016
Q1 		$759K Buy
+2,918
New +$111K ﹤0.01% 1868

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

Wellington Management Group's MPC Position: Q2 2026 in Review

Wellington Management Group reduced its Marathon Petroleum (MPC) stake by 42% in Q2 2026, selling an estimated $586M and leaving 3,252,153 shares worth $831M. The position accounts for 0.14% of the portfolio, ranked #155.

Wellington Management Group first reported a position in MPC in Q2 2013 and has held it in 53 quarters since. The position peaked at $1.94B in Q2 2025. 1,948 funds tracked by Wall St. Rank hold MPC as of Q2 2026.

  • Wellington Management Group held 3,252,153 shares of Marathon Petroleum worth $831M as of Q2 2026.
  • Wellington Management Group sold 2,385,034 Marathon Petroleum shares in Q2 2026, an estimated $586M.
  • Marathon Petroleum made up 0.14% of Wellington Management Group's portfolio in Q2 2026, its #155 holding.
  • Wellington Management Group first reported a position in Marathon Petroleum in Q2 2013 and has held it in 53 quarters since.
  • Wellington Management Group's Marathon Petroleum position peaked at $1.94B in Q2 2025.
  • 1,948 funds tracked by Wall St. Rank held Marathon Petroleum as of Q2 2026.

Based on Wellington Management Group's 13F filing for Q2 2026, filed 14 Aug 2026.