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 		$16.7M Sell
68,200
-11,000
-14% -$2.22M 0.01% 490
2025
Q4 		$12.9M Buy
79,200
+19,500
+33% +$3.65M 0.01% 721
2025
Q3 		$11.5M Buy
59,700
+3,900
+7% +$686K 0.01% 877
2025
Q2 		$9.27M Sell
55,800
-3,000
-5% -$450K 0.01% 938
2025
Q1 		$8.57M Sell
58,800
-92,800
-61% -$13.7M 0.01% 970
2024
Q4 		$21.1M Sell
151,600
-32,700
-18% -$4.99M 0.01% 614
2024
Q3 		$30M Sell
184,300
-47,600
-21% -$8.05M 0.02% 472
2024
Q2 		$40.2M Sell
231,900
-51,900
-18% -$9.65M 0.02% 361
2024
Q1 		$57.2M Sell
283,800
-18,600
-6% -$3.18M 0.03% 309
2023
Q4 		$44.9M Sell
302,400
-90,700
-23% -$13.5M 0.03% 384
2023
Q3 		$59.5M Buy
393,100
+85,300
+28% +$11.9M 0.05% 249
2023
Q2 		$35.9M Sell
307,800
-103,200
-25% -$12M 0.03% 350
2023
Q1 		$55.4M Sell
411,000
-84,500
-17% -$10.6M 0.05% 263
2022
Q4 		$57.7M Sell
495,500
-150,100
-23% -$17.1M 0.06% 236
2022
Q3 		$64.1M Buy
645,600
+146,000
+29% +$13.7M 0.07% 191
2022
Q2 		$41.1M Sell
499,600
-123,400
-20% -$11.5M 0.04% 289
2022
Q1 		$53.3M Buy
623,000
+319,600
+105% +$24.3M 0.05% 273
2021
Q4 		$19.4M Buy
303,400
+86,800
+40% +$5.58M 0.02% 517
2021
Q3 		$13.3M Buy
216,600
+14,800
+7% +$851K 0.01% 606
2021
Q2 		$12.2M Buy
201,800
+197,091
+4,185% +$11.6M 0.01% 631
2021
Q1 		$25.2M Sell
4,709
-805
-15% -$40.7K 0.05% 243
2020
Q4 		$22.8M Buy
5,514
+490
+10% +$17.6K 0.03% 323
2020
Q3 		$14.7M Sell
5,024
-1,545
-24% -$54.3K 0.02% 389
2020
Q2 		$24.6M Buy
6,569
+2,387
+57% +$76.7K 0.04% 255
2020
Q1 		$9.88M Sell
4,182
-1,675
-29% -$77.2K 0.02% 423
2019
Q4 		$35.3M Sell
5,857
-1,336
-19% -$83.6K 0.08% 161
2019
Q3 		$43.7M Buy
7,193
+243
+3% +$12.8K 0.12% 107
2019
Q2 		$38.8M Buy
6,950
+4,366
+169% +$239K 0.11% 119
2019
Q1 		$15.5M Buy
2,584
+102
+4% +$6.42K 0.04% 284
2018
Q4 		$14.6M Sell
2,482
-88
-3% -$6.01K 0.04% 264
2018
Q3 		$20.6M Buy
2,570
+1,415
+123% +$112K 0.07% 204
2018
Q2 		$8.1M Buy
1,155
+501
+77% +$38.3K 0.03% 404
2018
Q1 		$478K Sell
654
-288
-31% -$19.8K 0.02% 739
2017
Q4 		$501K Sell
942
-1,663
-64% -$102K 0.02% 714
2017
Q3 		$640K Buy
2,605
+1,200
+85% +$64.4K 0.03% 554
2017
Q2 		$305K Sell
1,405
-599
-30% -$30.9K 0.01% 937
2017
Q1 		$341K Buy
2,004
+297
+17% +$14.8K 0.01% 895
2016
Q4 		$556K Buy
1,707
+1,063
+165% +$48.3K 0.03% 495
2016
Q3 		$121K Sell
644
-176
-21% -$7.14K 0.01% 1391
2016
Q2 		$115K Buy
820
+12
+1% +$441 0.01% 1380
2016
Q1 		$66K Sell
808
-80
-9% -$3.04K 0.01% 1714
2015
Q4 		$173K Sell
888
-567
-39% -$29.7K 0.01% 980
2015
Q3 		$108K Buy
1,455
+224
+18% +$11.5K 0.01% 1357
2015
Q2 		$334K Buy
1,231
+309
+34% +$15.7K 0.03% 529
2015
Q1 		$490K Sell
922
-550
-37% -$26.4K 0.06% 334
2014
Q4 		$431K Buy
+1,472
New +$64.8K 0.05% 317

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.