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Osmosis Investment Management UK’s Marathon Petroleum MPC Stock Holding History

Osmosis Investment Management UK’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 		$1.18M Sell
4,610
-7,680
-62% -$1.89M 0.05% 251
2026
Q1 		$3M Buy
12,290
+324
+3% +$65.4K 0.08% 204
2025
Q4 		$1.95M Buy
+11,966
New +$2.24M 0.05% 250

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

Osmosis Investment Management UK's MPC Position: Q2 2026 in Review

Osmosis Investment Management UK reduced its Marathon Petroleum (MPC) stake by 62% in Q2 2026, selling an estimated $1.89M and leaving 4,610 shares worth $1.18M. The position accounts for 0.05% of the portfolio, ranked #251.

Osmosis Investment Management UK first reported a position in MPC in Q4 2025 and has held it in 3 quarters since. The position peaked at $3M in Q1 2026. 1,942 funds tracked by Wall St. Rank hold MPC as of Q2 2026.

  • Osmosis Investment Management UK held 4,610 shares of Marathon Petroleum worth $1.18M as of Q2 2026.
  • Osmosis Investment Management UK sold 7,680 Marathon Petroleum shares in Q2 2026, an estimated $1.89M.
  • Marathon Petroleum made up 0.05% of Osmosis Investment Management UK's portfolio in Q2 2026, its #251 holding.
  • Osmosis Investment Management UK first reported a position in Marathon Petroleum in Q4 2025 and has held it in 3 quarters since.
  • Osmosis Investment Management UK's Marathon Petroleum position peaked at $3M in Q1 2026.
  • 1,942 funds tracked by Wall St. Rank held Marathon Petroleum as of Q2 2026.

Based on Osmosis Investment Management UK's 13F filing for Q2 2026, filed 13 Aug 2026.