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
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 $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Holocene Advisors's MPC Position: Q1 2026 in Review

Holocene Advisors opened a new position in Marathon Petroleum (MPC) in Q1 2026: 414,134 shares worth $101M. The stake represents 0.24% of the portfolio and ranks #109 among its holdings. This is a return to the name: Holocene Advisors previously reported a position in MPC as recently as Q1 2025.

Holocene Advisors first reported a position in MPC in Q4 2018 and has held it in 24 quarters since. The position peaked at $197M in Q4 2020. 1,885 funds tracked by Wall St. Rank hold MPC as of Q1 2026.

  • Holocene Advisors held 414,134 shares of Marathon Petroleum worth $101M as of Q1 2026.
  • Marathon Petroleum was a new Holocene Advisors position in Q1 2026.
  • Marathon Petroleum made up 0.24% of Holocene Advisors's portfolio in Q1 2026, its #109 holding.
  • Holocene Advisors first reported a position in Marathon Petroleum in Q4 2018 and has held it in 24 quarters since.
  • Holocene Advisors's Marathon Petroleum position peaked at $197M in Q4 2020.
  • 1,885 funds tracked by Wall St. Rank held Marathon Petroleum as of Q1 2026.

Based on Holocene Advisors's 13F filing for Q1 2026, filed 15 May 2026.