William Mack & Associates
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William Mack & Associates’s Marathon Petroleum MPC Stock Holding History

William Mack & Associates’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
Q3 		$18.1K Buy
+46
New +$15.9K 0.01% 333

Other funds holding MPC

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $375B AUM 21.05% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

William Mack & Associates's MPC Position: Q3 2026 in Review

William Mack & Associates opened a new position in Marathon Petroleum (MPC) in Q3 2026: 46 shares worth $18.1K. The stake represents 0.01% of the portfolio and ranks #333 among its holdings.

1,972 funds tracked by Wall St. Rank hold MPC as of Q3 2026.

  • William Mack & Associates held 46 shares of Marathon Petroleum worth $18.1K as of Q3 2026.
  • Marathon Petroleum was a new William Mack & Associates position in Q3 2026.
  • Marathon Petroleum made up 0.01% of William Mack & Associates's portfolio in Q3 2026, its #333 holding.
  • 1,972 funds tracked by Wall St. Rank held Marathon Petroleum as of Q3 2026.

Based on William Mack & Associates's 13F filing for Q3 2026, filed 27 Oct 2026.