William Blair & Company’s MPLX MPLX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$1.72M Sell
33,450
-37
-0.1% -$1.91K ﹤0.01% 756
2025
Q1
$1.79M Buy
33,487
+14,967
+81% +$801K 0.01% 739
2024
Q4
$886K Buy
18,520
+5,965
+48% +$285K ﹤0.01% 938
2024
Q3
$558K Sell
12,555
-439
-3% -$19.5K ﹤0.01% 1084
2024
Q2
$553K Buy
12,994
+1,542
+13% +$65.7K ﹤0.01% 1062
2024
Q1
$476K Buy
11,452
+54
+0.5% +$2.24K ﹤0.01% 1098
2023
Q4
$419K Buy
11,398
+56
+0.5% +$2.06K ﹤0.01% 1122
2023
Q3
$403K Sell
11,342
-155
-1% -$5.51K ﹤0.01% 1117
2023
Q2
$390K Buy
11,497
+2,097
+22% +$71.2K ﹤0.01% 1144
2023
Q1
$324K Sell
9,400
-13,066
-58% -$450K ﹤0.01% 1212
2022
Q4
$738K Sell
22,466
-8,083
-26% -$265K ﹤0.01% 928
2022
Q3
$917K Buy
30,549
+14,003
+85% +$420K ﹤0.01% 842
2022
Q2
$482K Buy
16,546
+6,467
+64% +$188K ﹤0.01% 1076
2022
Q1
$334K Sell
10,079
-2,242
-18% -$74.3K ﹤0.01% 1324
2021
Q4
$365K Sell
12,321
-4,679
-28% -$139K ﹤0.01% 1341
2021
Q3
$484K Sell
17,000
-1,549
-8% -$44.1K ﹤0.01% 1165
2021
Q2
$549K Buy
18,549
+4,353
+31% +$129K ﹤0.01% 1120
2021
Q1
$364K Buy
14,196
+97
+0.7% +$2.49K ﹤0.01% 1259
2020
Q4
$305K Sell
14,099
-2,609
-16% -$56.4K ﹤0.01% 1259
2020
Q3
$263K Buy
16,708
+254
+2% +$4K ﹤0.01% 1188
2020
Q2
$284K Sell
16,454
-868
-5% -$15K ﹤0.01% 1116
2020
Q1
$201K Sell
17,322
-3,867
-18% -$44.9K ﹤0.01% 1167
2019
Q4
$539K Sell
21,189
-256
-1% -$6.51K ﹤0.01% 959
2019
Q3
$601K Buy
21,445
+12,675
+145% +$355K ﹤0.01% 893
2019
Q2
$282K Sell
8,770
-1,259
-13% -$40.5K ﹤0.01% 1165
2019
Q1
$330K Sell
10,029
-3,617
-27% -$119K ﹤0.01% 1112
2018
Q4
$413K Sell
13,646
-1,180
-8% -$35.7K ﹤0.01% 974
2018
Q3
$514K Sell
14,826
-9,847
-40% -$341K ﹤0.01% 950
2018
Q2
$842K Sell
24,673
-35,175
-59% -$1.2M 0.01% 788
2018
Q1
$1.98M Buy
59,848
+353
+0.6% +$11.7K 0.01% 556
2017
Q4
$2.11M Sell
59,495
-1,750
-3% -$62.1K 0.01% 560
2017
Q3
$2.14M Sell
61,245
-4,318
-7% -$151K 0.02% 541
2017
Q2
$2.19M Buy
65,563
+2,730
+4% +$91.2K 0.02% 548
2017
Q1
$2.3M Buy
62,833
+505
+0.8% +$18.5K 0.02% 511
2016
Q4
$2.16M Buy
62,328
+2,735
+5% +$94.7K 0.02% 480
2016
Q3
$2.02M Hold
59,593
0.02% 495
2016
Q2
$2M Buy
59,593
+4,999
+9% +$168K 0.02% 479
2016
Q1
$1.62M Buy
54,594
+436
+0.8% +$12.9K 0.02% 501
2015
Q4
$2.13M Buy
+54,158
New +$2.13M 0.02% 454