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Second Line Capital’s Marathon Petroleum MPC Stock Holding History

Second Line Capital’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
Q1 		$286K Buy
+1,153
New +$233K 0.05% 133
2025
Q4 		– Sell
-1,049
Closed -$202K – 171
2025
Q3 		$202K Buy
+1,049
New +$184K 0.04% 153

Other funds holding MPC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Second Line Capital's MPC Position: Q1 2026 in Review

Second Line Capital opened a new position in Marathon Petroleum (MPC) in Q1 2026: 1,153 shares worth $286K. The stake represents 0.05% of the portfolio and ranks #133 among its holdings. This is a return to the name: Second Line Capital previously reported a position in MPC as recently as Q3 2025.

Second Line Capital first reported a position in MPC in Q3 2025 and has held it in 2 quarters since. 1,882 funds tracked by Wall St. Rank hold MPC as of Q1 2026.

  • Second Line Capital held 1,153 shares of Marathon Petroleum worth $286K as of Q1 2026.
  • Marathon Petroleum was a new Second Line Capital position in Q1 2026.
  • Marathon Petroleum made up 0.05% of Second Line Capital's portfolio in Q1 2026, its #133 holding.
  • Second Line Capital first reported a position in Marathon Petroleum in Q3 2025 and has held it in 2 quarters since.
  • 1,882 funds tracked by Wall St. Rank held Marathon Petroleum as of Q1 2026.

Based on Second Line Capital's 13F filing for Q1 2026, filed 15 May 2026.