Alyeska Investment Group
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Alyeska Investment Group’s Marathon Petroleum MPC Stock Holding History

Alyeska Investment Group’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 		$5.98M Buy
+23,391
New +$5.74M 0.02% 489
2025
Q4 		– Sell
-785,433
Closed -$151M – 676
2025
Q3 		$151M Sell
785,433
-5,124
-0.6% -$901K 0.46% 40
2025
Q2 		$131M Buy
790,557
+303,197
+62% +$45.4M 0.46% 49
2025
Q1 		$71M Buy
+487,360
New +$72.1M 0.28% 100
2024
Q2 		– Sell
-242,952
Closed -$49M – 634
2024
Q1 		$49M Buy
+242,952
New +$41.5M 0.3% 116
2023
Q2 		– Sell
-327,235
Closed -$44.1M – 602
2023
Q1 		$44.1M Buy
327,235
+10,485
+3% +$1.31M 0.39% 86
2022
Q4 		$36.9M Sell
316,750
-27,416
-8% -$3.12M 0.38% 86
2022
Q3 		$34.2M Sell
344,166
-65,735
-16% -$6.15M 0.4% 84
2022
Q2 		$33.7M Buy
+409,901
New +$38.3M 0.39% 78
2021
Q4 		– Sell
-191,708
Closed -$11.8M – 686
2021
Q3 		$11.8M Buy
191,708
+28,276
+17% +$1.63M 0.15% 173
2021
Q2 		$9.88M Buy
163,432
+47,601
+41% +$2.79M 0.11% 216
2021
Q1 		$6.2M Buy
+115,831
New +$5.85M 0.08% 290
2020
Q1 		– Sell
-160,071
Closed -$9.64M – 436
2019
Q4 		$9.64M Buy
+160,071
New +$10M 0.13% 172
2019
Q2 		– Sell
-68,000
Closed -$4.07M – 494
2019
Q1 		$4.07M Buy
+68,000
New +$4.28M 0.05% 237
2018
Q4 		– Sell
-36,585
Closed -$2.93M – 434
2018
Q3 		$2.93M Buy
+36,585
New +$2.89M 0.03% 273

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 $3.38T AUM 44.17% 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

Alyeska Investment Group's MPC Position: Q2 2026 in Review

Alyeska Investment Group opened a new position in Marathon Petroleum (MPC) in Q2 2026: 23,391 shares worth $5.98M. The stake represents 0.02% of the portfolio and ranks #489 among its holdings. This is a return to the name: Alyeska Investment Group previously reported a position in MPC as recently as Q3 2025.

Alyeska Investment Group first reported a position in MPC in Q3 2018 and has held it in 15 quarters since. The position peaked at $151M in Q3 2025. 1,952 funds tracked by Wall St. Rank hold MPC as of Q2 2026.

  • Alyeska Investment Group held 23,391 shares of Marathon Petroleum worth $5.98M as of Q2 2026.
  • Marathon Petroleum was a new Alyeska Investment Group position in Q2 2026.
  • Marathon Petroleum made up 0.02% of Alyeska Investment Group's portfolio in Q2 2026, its #489 holding.
  • Alyeska Investment Group first reported a position in Marathon Petroleum in Q3 2018 and has held it in 15 quarters since.
  • Alyeska Investment Group's Marathon Petroleum position peaked at $151M in Q3 2025.
  • 1,952 funds tracked by Wall St. Rank held Marathon Petroleum as of Q2 2026.

Based on Alyeska Investment Group's 13F filing for Q2 2026, filed 14 Aug 2026.