William Blair & Company’s Marathon Petroleum MPC Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$7.54M Sell
45,406
-4,763
-9% -$791K 0.02% 407
2025
Q1
$7.31M Sell
50,169
-2,982
-6% -$434K 0.02% 392
2024
Q4
$7.41M Buy
53,151
+4,908
+10% +$685K 0.02% 402
2024
Q3
$7.86M Sell
48,243
-2,783
-5% -$453K 0.02% 396
2024
Q2
$8.85M Sell
51,026
-927
-2% -$161K 0.03% 344
2024
Q1
$10.5M Sell
51,953
-460
-0.9% -$92.7K 0.03% 325
2023
Q4
$7.78M Buy
52,413
+2,033
+4% +$302K 0.03% 361
2023
Q3
$7.62M Sell
50,380
-783
-2% -$118K 0.03% 354
2023
Q2
$5.97M Sell
51,163
-1,513
-3% -$176K 0.02% 408
2023
Q1
$7.1M Buy
52,676
+162
+0.3% +$21.8K 0.03% 364
2022
Q4
$6.11M Sell
52,514
-132
-0.3% -$15.4K 0.03% 386
2022
Q3
$5.23M Buy
52,646
+79
+0.2% +$7.85K 0.02% 397
2022
Q2
$4.32M Sell
52,567
-2,324
-4% -$191K 0.02% 448
2022
Q1
$4.69M Sell
54,891
-3,006
-5% -$257K 0.02% 481
2021
Q4
$3.71M Buy
57,897
+41,124
+245% +$2.63M 0.01% 565
2021
Q3
$1.04M Buy
16,773
+962
+6% +$59.5K ﹤0.01% 911
2021
Q2
$955K Sell
15,811
-3,373
-18% -$204K ﹤0.01% 935
2021
Q1
$1.03M Buy
19,184
+539
+3% +$28.8K ﹤0.01% 885
2020
Q4
$771K Sell
18,645
-1,815
-9% -$75.1K ﹤0.01% 951
2020
Q3
$600K Buy
20,460
+8,093
+65% +$237K ﹤0.01% 918
2020
Q2
$462K Sell
12,367
-829
-6% -$31K ﹤0.01% 964
2020
Q1
$312K Sell
13,196
-33,385
-72% -$789K ﹤0.01% 1005
2019
Q4
$2.81M Buy
46,581
+8,935
+24% +$538K 0.01% 529
2019
Q3
$2.29M Sell
37,646
-192
-0.5% -$11.7K 0.01% 543
2019
Q2
$2.11M Sell
37,838
-9,201
-20% -$514K 0.01% 560
2019
Q1
$2.82M Buy
47,039
+51
+0.1% +$3.05K 0.02% 480
2018
Q4
$2.77M Buy
46,988
+10,091
+27% +$596K 0.02% 447
2018
Q3
$2.95M Buy
36,897
+6,440
+21% +$515K 0.02% 477
2018
Q2
$2.14M Sell
30,457
-4,065
-12% -$285K 0.01% 539
2018
Q1
$2.52M Sell
34,522
-1,135
-3% -$83K 0.02% 499
2017
Q4
$2.35M Buy
35,657
+89
+0.3% +$5.87K 0.02% 534
2017
Q3
$2M Sell
35,568
-1,971
-5% -$111K 0.02% 554
2017
Q2
$1.96M Sell
37,539
-3,662
-9% -$192K 0.01% 572
2017
Q1
$2.07M Buy
41,201
+29,596
+255% +$1.49M 0.02% 535
2016
Q4
$584K Buy
11,605
+1,935
+20% +$97.4K 0.01% 778
2016
Q3
$393K Sell
9,670
-674
-7% -$27.4K ﹤0.01% 904
2016
Q2
$393K Buy
10,344
+1,127
+12% +$42.8K ﹤0.01% 887
2016
Q1
$342K Sell
9,217
-1,205
-12% -$44.7K ﹤0.01% 892
2015
Q4
$540K Buy
10,422
+823
+9% +$42.6K 0.01% 785
2015
Q3
$444K Buy
9,599
+1,535
+19% +$71K ﹤0.01% 1012
2015
Q2
$421K Sell
8,064
-448
-5% -$23.4K ﹤0.01% 1816
2015
Q1
$436K Buy
8,512
+244
+3% +$12.5K ﹤0.01% 1752
2014
Q4
$373K Sell
8,268
-4
-0% -$180 ﹤0.01% 1774
2014
Q3
$350K Buy
+8,272
New +$350K ﹤0.01% 1795
2014
Q2
Sell
-6,734
Closed -$292K 2091
2014
Q1
$292K Buy
6,734
+2,014
+43% +$87.3K ﹤0.01% 1768
2013
Q4
$216K Buy
+4,720
New +$216K ﹤0.01% 1850