Advisor OS’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
Q1
$316K Sell
1,292
-1,840
-59% -$372K 0.02% 412
2025
Q4
$509K Buy
3,132
+17
+0.5% +$3.18K 0.04% 277
2025
Q3
$600K Buy
3,115
+150
+5% +$26.4K 0.05% 227
2025
Q2
$493K Buy
+2,965
New +$444K 0.05% 257
2025
Q1
Sell
-1,553
Closed -$217K 450
2024
Q4
$217K Sell
1,553
-76
-5% -$11.6K 0.03% 381
2024
Q3
$265K Sell
1,629
-91
-5% -$15.4K 0.03% 341
2024
Q2
$298K Sell
1,720
-290
-14% -$53.9K 0.03% 305
2024
Q1
$405K Buy
+2,010
New +$344K 0.05% 265

Other funds holding MPC

Advisor OS's MPC Position: Q1 2026 in Review

Advisor OS reduced its Marathon Petroleum (MPC) stake by 59% in Q1 2026, selling an estimated $372K and leaving 1,292 shares worth $316K. The position accounts for 0.02% of the portfolio, ranked #412.

Advisor OS first reported a position in MPC in Q1 2024 and has held it in 8 quarters since. The position peaked at $600K in Q3 2025. 1,883 funds tracked by Wall St. Rank hold MPC as of Q1 2026.

  • Advisor OS held 1,292 shares of Marathon Petroleum worth $316K as of Q1 2026.
  • Advisor OS sold 1,840 Marathon Petroleum shares in Q1 2026, an estimated $372K.
  • Marathon Petroleum made up 0.02% of Advisor OS's portfolio in Q1 2026, its #412 holding.
  • Advisor OS first reported a position in Marathon Petroleum in Q1 2024 and has held it in 8 quarters since.
  • Advisor OS's Marathon Petroleum position peaked at $600K in Q3 2025.
  • 1,883 funds tracked by Wall St. Rank held Marathon Petroleum as of Q1 2026.

Based on Advisor OS's 13F filing for Q1 2026, filed 8 May 2026.