Holocene Advisors
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Holocene Advisors’s Marathon Petroleum MPC Stock Holding History

Holocene Advisors’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 		$31.6M Sell
123,764
-290,370
-70% -$71.3M 0.07% 237
2026
Q1 		$101M Buy
+414,134
New +$83.6M 0.24% 109
2025
Q2 		– Sell
-19,790
Closed -$2.88M – 836
2025
Q1 		$2.88M Sell
19,790
-10,951
-36% -$1.62M 0.01% 475
2024
Q4 		$4.29M Buy
30,741
+28,215
+1,117% +$4.31M 0.01% 420
2024
Q3 		$412K Sell
2,526
-349,595
-99% -$59.1M ﹤0.01% 677
2024
Q2 		$61.1M Buy
+352,121
New +$65.5M 0.26% 120
2024
Q1 		– Sell
-235,179
Closed -$34.9M – 813
2023
Q4 		$34.9M Buy
+235,179
New +$34.9M 0.14% 179
2023
Q2 		– Sell
-460,146
Closed -$62M – 808
2023
Q1 		$62M Buy
460,146
+313,392
+214% +$39.2M 0.31% 105
2022
Q4 		$17.1M Sell
146,754
-66,370
-31% -$7.56M 0.1% 199
2022
Q3 		$21.2M Sell
213,124
-1,137,521
-84% -$106M 0.14% 178
2022
Q2 		$111M Sell
1,350,645
-35,935
-3% -$3.36M 0.67% 47
2022
Q1 		$119M Sell
1,386,580
-219,776
-14% -$16.7M 0.62% 48
2021
Q4 		$103M Sell
1,606,356
-728,615
-31% -$46.8M 0.54% 59
2021
Q3 		$144M Buy
2,334,971
+680,250
+41% +$39.1M 0.78% 27
2021
Q2 		$100M Sell
1,654,721
-334,134
-17% -$19.6M 0.56% 57
2021
Q1 		$106M Sell
1,988,855
-2,779,115
-58% -$140M 0.67% 37
2020
Q4 		$197M Buy
4,767,970
+1,498,923
+46% +$53.8M 1.24% 6
2020
Q3 		$95.9M Buy
3,269,047
+1,237,199
+61% +$43.5M 0.73% 36
2020
Q2 		$76M Buy
2,031,848
+1,594,342
+364% +$51.2M 0.67% 48
2020
Q1 		$10.3M Sell
437,506
-158,094
-27% -$7.28M 0.11% 153
2019
Q4 		$35.9M Buy
595,600
+15,491
+3% +$969K 0.32% 101
2019
Q3 		$35.2M Buy
580,109
+158,632
+38% +$8.36M 0.36% 83
2019
Q2 		$23.6M Buy
421,477
+179,293
+74% +$9.81M 0.3% 105
2019
Q1 		$14.5M Sell
242,184
-246,486
-50% -$15.5M 0.22% 97
2018
Q4 		$28.8M Buy
+488,670
New +$33.3M 0.46% 63

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

Holocene Advisors's MPC Position: Q2 2026 in Review

Holocene Advisors reduced its Marathon Petroleum (MPC) stake by 70% in Q2 2026, selling an estimated $71.3M and leaving 123,764 shares worth $31.6M. The position accounts for 0.07% of the portfolio, ranked #237.

Holocene Advisors first reported a position in MPC in Q4 2018 and has held it in 25 quarters since. The position peaked at $197M in Q4 2020. 1,952 funds tracked by Wall St. Rank hold MPC as of Q2 2026.

  • Holocene Advisors held 123,764 shares of Marathon Petroleum worth $31.6M as of Q2 2026.
  • Holocene Advisors sold 290,370 Marathon Petroleum shares in Q2 2026, an estimated $71.3M.
  • Marathon Petroleum made up 0.07% of Holocene Advisors's portfolio in Q2 2026, its #237 holding.
  • Holocene Advisors first reported a position in Marathon Petroleum in Q4 2018 and has held it in 25 quarters since.
  • Holocene Advisors's Marathon Petroleum position peaked at $197M in Q4 2020.
  • 1,952 funds tracked by Wall St. Rank held Marathon Petroleum as of Q2 2026.

Based on Holocene Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.