Advisory Research’s Marathon Petroleum MPC Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$10.3M Buy
40,268
+1,281
+3% +$314K 1.03% 27
2026
Q1
$9.52M Buy
+38,987
New +$7.87M 1.17% 31
2014
Q2
Sell
-1,640
Closed -$71K 548
2014
Q1
$71K Buy
+1,640
New +$71.9K ﹤0.01% 462

Other funds holding MPC

Advisory Research's MPC Position: Q2 2026 in Review

Advisory Research increased its Marathon Petroleum (MPC) stake by 3.3% in Q2 2026, buying an estimated $314K and bringing the position to 40,268 shares worth $10.3M. The position accounts for 1.03% of the portfolio, ranked #27.

Advisory Research first reported a position in MPC in Q1 2014 and has held it in 3 quarters since. 1,942 funds tracked by Wall St. Rank hold MPC as of Q2 2026.

  • Advisory Research held 40,268 shares of Marathon Petroleum worth $10.3M as of Q2 2026.
  • Advisory Research bought 1,281 Marathon Petroleum shares in Q2 2026, an estimated $314K.
  • Marathon Petroleum made up 1.03% of Advisory Research's portfolio in Q2 2026, its #27 holding.
  • Advisory Research first reported a position in Marathon Petroleum in Q1 2014 and has held it in 3 quarters since.
  • 1,942 funds tracked by Wall St. Rank held Marathon Petroleum as of Q2 2026.

Based on Advisory Research's 13F filing for Q2 2026, filed 13 Aug 2026.