GAMCO Investors’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
$1.7M Buy
6,974
+838
+14% +$169K 0.02% 549
2025
Q4
$998K Sell
6,136
-1,282
-17% -$240K 0.01% 651
2025
Q3
$1.43M Sell
7,418
-602
-8% -$106K 0.01% 589
2025
Q2
$1.33M Buy
8,020
+6,425
+403% +$963K 0.01% 608
2025
Q1
$232K Sell
1,595
-160
-9% -$23.7K ﹤0.01% 797
2024
Q4
$245K Sell
1,755
-186
-10% -$28.4K ﹤0.01% 804
2024
Q3
$316K Buy
1,941
+88
+5% +$14.9K ﹤0.01% 772
2024
Q2
$321K Buy
1,853
+390
+27% +$72.5K ﹤0.01% 751
2024
Q1
$295K Sell
1,463
-45
-3% -$7.7K ﹤0.01% 763
2023
Q4
$224K Sell
1,508
-12
-0.8% -$1.78K ﹤0.01% 791
2023
Q3
$230K Sell
1,520
-345
-18% -$48.1K ﹤0.01% 786
2023
Q2
$217K Buy
1,865
+155
+9% +$18K ﹤0.01% 802
2023
Q1
$231K Sell
1,710
-30
-2% -$3.75K ﹤0.01% 815
2022
Q4
$203K Buy
+1,740
New +$198K ﹤0.01% 830
2022
Q2
Sell
-2,365
Closed -$202K 913
2022
Q1
$202K Sell
2,365
-805
-25% -$61.2K ﹤0.01% 868
2021
Q4
$203K Sell
3,170
-1,975
-38% -$127K ﹤0.01% 881
2021
Q3
$318K Hold
5,145
﹤0.01% 814
2021
Q2
$311K Sell
5,145
-30
-0.6% -$1.76K ﹤0.01% 820
2021
Q1
$277K Sell
5,175
-100
-2% -$5.05K ﹤0.01% 836
2020
Q4
$218K Sell
5,275
-8,370
-61% -$300K ﹤0.01% 838
2020
Q3
$400K Sell
13,645
-2,228
-14% -$78.3K ﹤0.01% 714
2020
Q2
$593K Sell
15,873
-3,785
-19% -$122K 0.01% 639
2020
Q1
$464K Sell
19,658
-2,722
-12% -$125K 0.01% 665
2019
Q4
$1.35M Sell
22,380
-295
-1% -$18.5K 0.01% 567
2019
Q3
$1.38M Sell
22,675
-1,208
-5% -$63.7K 0.01% 553
2019
Q2
$1.33M Buy
23,883
+730
+3% +$39.9K 0.01% 561
2019
Q1
$1.39M Buy
+23,153
New +$1.46M 0.01% 533

Other funds holding MPC

GAMCO Investors's MPC Position: Q1 2026 in Review

GAMCO Investors increased its Marathon Petroleum (MPC) stake by 14% in Q1 2026, buying an estimated $169K and bringing the position to 6,974 shares worth $1.7M. The position accounts for 0.02% of the portfolio, ranked #549.

GAMCO Investors first reported a position in MPC in Q1 2019 and has held it in 27 quarters since. 1,882 funds tracked by Wall St. Rank hold MPC as of Q1 2026.

  • GAMCO Investors held 6,974 shares of Marathon Petroleum worth $1.7M as of Q1 2026.
  • GAMCO Investors bought 838 Marathon Petroleum shares in Q1 2026, an estimated $169K.
  • Marathon Petroleum made up 0.02% of GAMCO Investors's portfolio in Q1 2026, its #549 holding.
  • GAMCO Investors first reported a position in Marathon Petroleum in Q1 2019 and has held it in 27 quarters since.
  • 1,882 funds tracked by Wall St. Rank held Marathon Petroleum as of Q1 2026.

Based on GAMCO Investors's 13F filing for Q1 2026, filed 14 May 2026.