Marshall Wace’s Marathon Petroleum MPC Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2021
Q4
Sell
-5,300
Closed -$327K 4143
2021
Q3
$327K Buy
5,300
+3,100
+141% +$178K ﹤0.01% 2607
2021
Q2
$133K Sell
2,200
-17,000
-89% -$997K ﹤0.01% 2509
2021
Q1
$1.03M Buy
+19,200
New +$970K ﹤0.01% 1639

Other funds holding MPC

Marshall Wace's MPC Position: Q2 2026 in Review

Marshall Wace reduced its Marathon Petroleum (MPC) stake by 67% in Q2 2026, selling an estimated $63.2M and leaving 126,027 shares worth $32.2M. The position accounts for 0.03% of the portfolio, ranked #533.

Marshall Wace first reported a position in MPC in Q1 2014 and has held it in 31 quarters since. The position peaked at $106M in Q2 2022. 1,949 funds tracked by Wall St. Rank hold MPC as of Q2 2026.

  • Marshall Wace held 126,027 shares of Marathon Petroleum worth $32.2M as of Q2 2026.
  • Marshall Wace sold 257,309 Marathon Petroleum shares in Q2 2026, an estimated $63.2M.
  • Marathon Petroleum made up 0.03% of Marshall Wace's portfolio in Q2 2026, its #533 holding.
  • Marshall Wace first reported a position in Marathon Petroleum in Q1 2014 and has held it in 31 quarters since.
  • Marshall Wace's Marathon Petroleum position peaked at $106M in Q2 2022.
  • 1,949 funds tracked by Wall St. Rank held Marathon Petroleum as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.