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Advisor OS’s Marathon Petroleum MPC Stock Holding History

Advisor OS’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
Q2 		$341K Buy
1,335
+43
+3% +$10.6K 0.02% 421
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

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Advisor OS's MPC Position: Q2 2026 in Review

Advisor OS increased its Marathon Petroleum (MPC) stake by 3.3% in Q2 2026, buying an estimated $10.6K and bringing the position to 1,335 shares worth $341K. The position accounts for 0.02% of the portfolio, ranked #421.

Advisor OS first reported a position in MPC in Q1 2024 and has held it in 9 quarters since. The position peaked at $600K in Q3 2025. 1,948 funds tracked by Wall St. Rank hold MPC as of Q2 2026.

  • Advisor OS held 1,335 shares of Marathon Petroleum worth $341K as of Q2 2026.
  • Advisor OS bought 43 Marathon Petroleum shares in Q2 2026, an estimated $10.6K.
  • Marathon Petroleum made up 0.02% of Advisor OS's portfolio in Q2 2026, its #421 holding.
  • Advisor OS first reported a position in Marathon Petroleum in Q1 2024 and has held it in 9 quarters since.
  • Advisor OS's Marathon Petroleum position peaked at $600K in Q3 2025.
  • 1,948 funds tracked by Wall St. Rank held Marathon Petroleum as of Q2 2026.

Based on Advisor OS's 13F filing for Q2 2026, filed 5 Aug 2026.