Simplex Trading
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Simplex Trading’s Marathon Petroleum MPC Stock Holding History

Simplex Trading’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 		$34M Buy
139,100
+95,500
+219% +$19.3M 0.02% 301
2025
Q4 		$7.09M Sell
43,600
-44,500
-51% -$8.32M ﹤0.01% 1057
2025
Q3 		$17M Buy
88,100
+19,000
+27% +$3.34M 0.01% 711
2025
Q2 		$11.5M Sell
69,100
-89,500
-56% -$13.4M 0.01% 805
2025
Q1 		$23.1M Sell
158,600
-5,100
-3% -$755K 0.01% 477
2024
Q4 		$22.8M Sell
163,700
-11,700
-7% -$1.79M 0.01% 570
2024
Q3 		$28.6M Sell
175,400
-21,400
-11% -$3.62M 0.02% 495
2024
Q2 		$34.1M Buy
196,800
+27,300
+16% +$5.08M 0.02% 417
2024
Q1 		$34.2M Sell
169,500
-97,900
-37% -$16.7M 0.02% 466
2023
Q4 		$39.7M Sell
267,400
-36,800
-12% -$5.47M 0.03% 421
2023
Q3 		$46M Buy
304,200
+79,400
+35% +$11.1M 0.04% 301
2023
Q2 		$26.2M Sell
224,800
-268,100
-54% -$31.2M 0.02% 470
2023
Q1 		$66.5M Buy
492,900
+145,100
+42% +$18.2M 0.06% 227
2022
Q4 		$40.5M Buy
347,800
+154,600
+80% +$17.6M 0.04% 323
2022
Q3 		$19.2M Sell
193,200
-55,400
-22% -$5.19M 0.02% 525
2022
Q2 		$20.4M Sell
248,600
-6,500
-3% -$608K 0.02% 494
2022
Q1 		$21.8M Sell
255,100
-224,700
-47% -$17.1M 0.02% 506
2021
Q4 		$30.7M Buy
479,800
+224,400
+88% +$14.4M 0.03% 373
2021
Q3 		$15.6M Buy
255,400
+12,300
+5% +$707K 0.01% 544
2021
Q2 		$14.7M Buy
243,100
+239,075
+5,940% +$14M 0.01% 555
2021
Q1 		$21.5M Buy
4,025
+1,803
+81% +$91.1K 0.04% 265
2020
Q4 		$9.19M Sell
2,222
-886
-29% -$31.8K 0.01% 626
2020
Q3 		$9.12M Buy
3,108
+401
+15% +$14.1K 0.01% 550
2020
Q2 		$10.1M Buy
2,707
+1,027
+61% +$33K 0.02% 518
2020
Q1 		$3.97M Sell
1,680
-1,560
-48% -$71.9K 0.01% 822
2019
Q4 		$19.5M Sell
3,240
-2,210
-41% -$138K 0.04% 279
2019
Q3 		$33.1M Buy
5,450
+3,022
+124% +$159K 0.09% 146
2019
Q2 		$13.6M Buy
2,428
+591
+32% +$32.3K 0.04% 315
2019
Q1 		$11M Sell
1,837
-281
-13% -$17.7K 0.03% 364
2018
Q4 		$12.5M Buy
2,118
+62
+3% +$4.23K 0.04% 293
2018
Q3 		$16.4M Buy
2,056
+795
+63% +$62.9K 0.05% 240
2018
Q2 		$8.85M Buy
1,261
+405
+47% +$30.9K 0.03% 380
2018
Q1 		$44K Sell
856
-62
-7% -$4.27K ﹤0.01% 2564
2017
Q4 		$35K Buy
918
+145
+19% +$8.87K ﹤0.01% 2771
2017
Q3 		$92K Sell
773
-261
-25% -$14K ﹤0.01% 1781
2017
Q2 		$114K Buy
1,034
+260
+34% +$13.4K 0.01% 1641
2017
Q1 		$80K Buy
774
+45
+6% +$2.24K ﹤0.01% 1951
2016
Q4 		$105K Buy
729
+342
+88% +$15.5K 0.01% 1492
2016
Q3 		$44K Sell
387
-80
-17% -$3.25K ﹤0.01% 2210
2016
Q2 		$71K Buy
467
+171
+58% +$6.28K ﹤0.01% 1739
2016
Q1 		$187K Sell
296
-370
-56% -$14.1K 0.01% 911
2015
Q4 		$59K Buy
666
+177
+36% +$9.26K ﹤0.01% 1791
2015
Q3 		$87K Buy
489
+129
+36% +$6.64K 0.01% 1520
2015
Q2 		$11K Sell
360
-78
-18% -$3.97K ﹤0.01% 2982
2015
Q1 		$42K Buy
438
+114
+35% +$5.47K ﹤0.01% 1699
2014
Q4 		$58K Buy
+324
New +$14.3K 0.01% 1273

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 $95.5B AUM 28.4% 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

Simplex Trading's MPC Position: Q4 2025 in Review

Simplex Trading sold out of Marathon Petroleum (MPC) in Q4 2025, closing a stake of 6,451 shares — an estimated $1.21M sold.

Simplex Trading first reported a position in MPC in Q3 2015 and held it in 30 quarters. The position peaked at $13.3M in Q3 2018. 1,675 funds tracked by Wall St. Rank hold MPC as of Q4 2025.

  • Simplex Trading reported no remaining Marathon Petroleum position as of Q4 2025 after selling out during the quarter.
  • Simplex Trading sold 6,451 Marathon Petroleum shares in Q4 2025, an estimated $1.21M.
  • Simplex Trading first reported a position in Marathon Petroleum in Q3 2015 and held it in 30 quarters.
  • Simplex Trading's Marathon Petroleum position peaked at $13.3M in Q3 2018.
  • 1,675 funds tracked by Wall St. Rank held Marathon Petroleum as of Q4 2025.

Based on Simplex Trading's 13F filing for Q4 2025, filed 11 Feb 2026.