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Grandfield & Dodd’s Marathon Petroleum MPC Stock Holding History

Grandfield & Dodd’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 		$291K Buy
+1,190
New +$240K 0.02% 184
2025
Q4 		– Sell
-1,188
Closed -$229K – 214
2025
Q3 		$229K Buy
+1,188
New +$209K 0.01% 203
2024
Q3 		– Sell
-1,188
Closed -$206K – 209
2024
Q2 		$206K Sell
1,188
-18
-1% -$3.35K 0.01% 200
2024
Q1 		$243K Buy
+1,206
New +$206K 0.02% 189

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

Grandfield & Dodd's MPC Position: Q1 2026 in Review

Grandfield & Dodd opened a new position in Marathon Petroleum (MPC) in Q1 2026: 1,190 shares worth $291K. The stake represents 0.02% of the portfolio and ranks #184 among its holdings. This is a return to the name: Grandfield & Dodd previously reported a position in MPC as recently as Q3 2025.

Grandfield & Dodd first reported a position in MPC in Q1 2024 and has held it in 4 quarters since. 1,884 funds tracked by Wall St. Rank hold MPC as of Q1 2026.

  • Grandfield & Dodd held 1,190 shares of Marathon Petroleum worth $291K as of Q1 2026.
  • Marathon Petroleum was a new Grandfield & Dodd position in Q1 2026.
  • Marathon Petroleum made up 0.02% of Grandfield & Dodd's portfolio in Q1 2026, its #184 holding.
  • Grandfield & Dodd first reported a position in Marathon Petroleum in Q1 2024 and has held it in 4 quarters since.
  • 1,884 funds tracked by Wall St. Rank held Marathon Petroleum as of Q1 2026.

Based on Grandfield & Dodd's 13F filing for Q1 2026, filed 7 May 2026.