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GAMCO Investors’s Marathon Petroleum MPC Stock Holding History

GAMCO Investors’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
Q2 		$1.78M Sell
6,958
-16
-0.2% -$3.93K 0.02% 515
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

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

GAMCO Investors's MPC Position: Q2 2026 in Review

GAMCO Investors reduced its Marathon Petroleum (MPC) stake by 0.23% in Q2 2026, selling an estimated $3.93K and leaving 6,958 shares worth $1.78M. The position accounts for 0.02% of the portfolio, ranked #515.

GAMCO Investors first reported a position in MPC in Q1 2019 and has held it in 28 quarters since. 1,952 funds tracked by Wall St. Rank hold MPC as of Q2 2026.

  • GAMCO Investors held 6,958 shares of Marathon Petroleum worth $1.78M as of Q2 2026.
  • GAMCO Investors sold 16 Marathon Petroleum shares in Q2 2026, an estimated $3.93K.
  • Marathon Petroleum made up 0.02% of GAMCO Investors's portfolio in Q2 2026, its #515 holding.
  • GAMCO Investors first reported a position in Marathon Petroleum in Q1 2019 and has held it in 28 quarters since.
  • 1,952 funds tracked by Wall St. Rank held Marathon Petroleum as of Q2 2026.

Based on GAMCO Investors's 13F filing for Q2 2026, filed 12 Aug 2026.