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Ossiam’s Marathon Petroleum MPC Stock Holding History

Ossiam’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 		$2.79M Buy
10,926
+10,569
+2,961% +$2.59M 0.04% 240
2026
Q1 		$87.2K Sell
357
-23
-6% -$4.64K ﹤0.01% 347
2025
Q4 		$61.8K Buy
380
+29
+8% +$5.42K ﹤0.01% 358
2025
Q3 		$67.7K Buy
+351
New +$61.7K ﹤0.01% 651
2025
Q2 		– Sell
-1,792
Closed -$261K – 654
2025
Q1 		$261K Sell
1,792
-29,392
-94% -$4.35M ﹤0.01% 483
2024
Q4 		$4.35M Buy
+31,184
New +$4.76M 0.08% 154
2024
Q2 		– Sell
-3,957
Closed -$797K – 652
2024
Q1 		$797K Buy
3,957
+1,255
+46% +$215K 0.01% 425
2023
Q4 		$401K Sell
2,702
-1,195
-31% -$177K 0.01% 505
2023
Q3 		$590K Buy
+3,897
New +$543K 0.01% 443
2023
Q1 		– Sell
-2,922
Closed -$340K – 732
2022
Q4 		$340K Buy
+2,922
New +$333K 0.01% 411
2022
Q3 		– Sell
-4,234
Closed -$348K – 723
2022
Q2 		$348K Buy
+4,234
New +$396K 0.01% 348
2022
Q1 		– Sell
-261
Closed -$17K – 463
2021
Q4 		$17K Sell
261
-108,109
-100% -$6.95M ﹤0.01% 416
2021
Q3 		$6.7M Buy
108,370
+44,854
+71% +$2.58M 0.19% 91
2021
Q2 		$3.51M Buy
63,516
+30,318
+91% +$1.78M 0.1% 134
2021
Q1 		$1.78M Buy
33,198
+16,601
+100% +$838K 0.06% 173
2020
Q4 		$686K Buy
16,597
+16,480
+14,085% +$591K 0.02% 232
2020
Q3 		$3K Buy
+117
New +$4.11K ﹤0.01% 410

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

Ossiam's MPC Position: Q2 2026 in Review

Ossiam increased its Marathon Petroleum (MPC) stake by 2,961% in Q2 2026, buying an estimated $2.59M and bringing the position to 10,926 shares worth $2.79M. The position accounts for 0.04% of the portfolio, ranked #240.

Ossiam first reported a position in MPC in Q3 2020 and has held it in 17 quarters since. The position peaked at $6.7M in Q3 2021. 1,949 funds tracked by Wall St. Rank hold MPC as of Q2 2026.

  • Ossiam held 10,926 shares of Marathon Petroleum worth $2.79M as of Q2 2026.
  • Ossiam bought 10,569 Marathon Petroleum shares in Q2 2026, an estimated $2.59M.
  • Marathon Petroleum made up 0.04% of Ossiam's portfolio in Q2 2026, its #240 holding.
  • Ossiam first reported a position in Marathon Petroleum in Q3 2020 and has held it in 17 quarters since.
  • Ossiam's Marathon Petroleum position peaked at $6.7M in Q3 2021.
  • 1,949 funds tracked by Wall St. Rank held Marathon Petroleum as of Q2 2026.

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