Mariner’s Marathon Petroleum MPC Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $135M | Buy |
553,551
+1,477
| +0.3% | +$298K | 0.16% | 118 |
|
|
2025
Q4 | $89.8M | Buy |
552,074
+3,677
| +0.7% | +$687K | 0.11% | 155 |
|
|
2025
Q3 | $106M | Sell |
548,397
-28,540
| -5% | -$5.02M | 0.14% | 134 |
|
|
2025
Q2 | $96.1M | Sell |
576,937
-16,288
| -3% | -$2.44M | 0.14% | 139 |
|
|
2025
Q1 | $85.8M | Sell |
593,225
-27,488
| -4% | -$4.07M | 0.14% | 137 |
|
|
2024
Q4 | $85.7M | Sell |
620,713
-90,692
| -13% | -$13.8M | 0.14% | 129 |
|
|
2024
Q3 | $116M | Sell |
711,405
-3,069
| -0.4% | -$519K | 0.21% | 96 |
|
|
2024
Q2 | $124M | Buy |
714,474
+143,674
| +25% | +$26.7M | 0.24% | 82 |
|
|
2024
Q1 | $115M | Buy |
570,800
+229,753
| +67% | +$39.3M | 0.24% | 87 |
|
|
2023
Q4 | $50.6M | Buy |
341,047
+29,408
| +9% | +$4.37M | 0.12% | 170 |
|
|
2023
Q3 | $47.2M | Sell |
311,639
-25,455
| -8% | -$3.55M | 0.13% | 154 |
|
|
2023
Q2 | $39.3M | Sell |
337,094
-60,233
| -15% | -$7M | 0.11% | 185 |
|
|
2023
Q1 | $53.6M | Sell |
397,327
-3,742
| -0.9% | -$468K | 0.16% | 134 |
|
|
2022
Q4 | $46.7M | Sell |
401,069
-140,939
| -26% | -$16.1M | 0.15% | 147 |
|
|
2022
Q3 | $53.8M | Buy |
542,008
+241,554
| +80% | +$22.6M | 0.22% | 111 |
|
|
2022
Q2 | $24.7M | Buy |
300,454
+1,918
| +0.6% | +$179K | 0.1% | 203 |
|
|
2022
Q1 | $25.5M | Buy |
298,536
+17,632
| +6% | +$1.34M | 0.1% | 212 |
|
|
2021
Q4 | $18M | Sell |
280,904
-4,680
| -2% | -$301K | 0.08% | 228 |
|
|
2021
Q3 | $17.7M | Buy |
285,584
+19,367
| +7% | +$1.11M | 0.09% | 209 |
|
|
2021
Q2 | $16.1M | Buy |
266,217
+18,600
| +8% | +$1.09M | 0.1% | 192 |
|
|
2021
Q1 | $13.2M | Sell |
247,617
-1,933
| -0.8% | -$97.6K | 0.09% | 196 |
|
|
2020
Q4 | $10.3M | Sell |
249,550
-410,750
| -62% | -$14.7M | 0.08% | 215 |
|
|
2020
Q3 | $19.4M | Sell |
660,300
-6,133
| -0.9% | -$216K | 0.18% | 143 |
|
|
2020
Q2 | $24.9M | Buy |
666,433
+480,632
| +259% | +$15.4M | 0.25% | 115 |
|
|
2020
Q1 | $4.39M | Buy |
185,801
+100,587
| +118% | +$4.63M | 0.05% | 253 |
|
|
2019
Q4 | $5.13M | Buy |
85,214
+1,709
| +2% | +$107K | 0.05% | 254 |
|
|
2019
Q3 | $5.07M | Buy |
83,505
+55,162
| +195% | +$2.91M | 0.06% | 234 |
|
|
2019
Q2 | $1.58M | Sell |
28,343
-15,820
| -36% | -$866K | 0.02% | 434 |
|
|
2019
Q1 | $1.77M | Buy |
44,163
+18,769
| +74% | +$1.18M | 0.03% | 395 |
|
|
2018
Q4 | $1.5M | Sell |
25,394
-2,866
| -10% | -$196K | 0.03% | 369 |
|
|
2018
Q3 | $2.26M | Sell |
28,260
-405
| -1% | -$32K | 0.06% | 266 |
|
|
2018
Q2 | $2.01M | Buy |
28,665
+24,187
| +540% | +$1.85M | 0.06% | 280 |
|
|
2018
Q1 | $327K | Buy |
+4,478
| New | +$308K | 0.01% | 514 |
|
Other funds holding MPC
VCM
VPM
Mariner's MPC Position: Q1 2026 in Review
Mariner increased its Marathon Petroleum (MPC) stake by 0.27% in Q1 2026, buying an estimated $298K and bringing the position to 553,551 shares worth $135M. The position accounts for 0.16% of the portfolio, ranked #118.
Mariner first reported a position in MPC in Q1 2018 and has held it in 33 quarters since. 1,882 funds tracked by Wall St. Rank hold MPC as of Q1 2026.
- Mariner held 553,551 shares of Marathon Petroleum worth $135M as of Q1 2026.
- Mariner bought 1,477 Marathon Petroleum shares in Q1 2026, an estimated $298K.
- Marathon Petroleum made up 0.16% of Mariner's portfolio in Q1 2026, its #118 holding.
- Mariner first reported a position in Marathon Petroleum in Q1 2018 and has held it in 33 quarters since.
- 1,882 funds tracked by Wall St. Rank held Marathon Petroleum as of Q1 2026.
Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.