Brown Brothers Harriman & Co’s MPLX MPLX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$1.84M Buy
32,692
+15,432
+89% +$861K 0.01% 379
2026
Q1
$985K Hold
17,260
0.01% 427
2025
Q4
$921K Hold
17,260
0.01% 389
2025
Q3
$862K Sell
17,260
-2,326
-12% -$118K 0.01% 375
2025
Q2
$1.01M Sell
19,586
-3,176
-14% -$161K 0.01% 332
2025
Q1
$1.22M Buy
22,762
+2,642
+13% +$138K 0.01% 272
2024
Q4
$963K Buy
20,120
+2,860
+17% +$133K 0.01% 299
2024
Q3
$767K Buy
17,260
+9,755
+130% +$417K 0.01% 337
2024
Q2
$320K Buy
7,505
+415
+6% +$17.1K ﹤0.01% 453
2024
Q1
$295K Hold
7,090
﹤0.01% 457
2023
Q4
$260K Hold
7,090
﹤0.01% 453
2023
Q3
$252K Hold
7,090
﹤0.01% 445
2023
Q2
$241K Hold
7,090
﹤0.01% 443
2023
Q1
$244K Hold
7,090
﹤0.01% 452
2022
Q4
$233K Hold
7,090
﹤0.01% 448
2022
Q3
$213K Hold
7,090
﹤0.01% 447
2022
Q2
$207K Hold
7,090
﹤0.01% 457
2022
Q1
$235K Hold
7,090
﹤0.01% 478
2021
Q4
$210K Hold
7,090
﹤0.01% 471
2021
Q3
$202K Hold
7,090
﹤0.01% 454
2021
Q2
$210K Hold
7,090
﹤0.01% 427
2021
Q1
$182K Hold
7,090
﹤0.01% 438
2020
Q4
$153K Hold
7,090
﹤0.01% 480
2020
Q3
$112K Hold
7,090
﹤0.01% 477
2020
Q2
$123K Sell
7,090
-218
-3% -$3.72K ﹤0.01% 451
2020
Q1
$85K Buy
7,308
+218
+3% +$4.47K ﹤0.01% 467
2019
Q4
$181K Hold
7,090
﹤0.01% 484
2019
Q3
$199K Sell
7,090
-2,745
-28% -$80.4K ﹤0.01% 433
2019
Q2
$317K Buy
9,835
+885
+10% +$28.2K ﹤0.01% 328
2019
Q1
$294K Buy
8,950
+1,010
+13% +$33.9K ﹤0.01% 331
2018
Q4
$241K Buy
+7,940
New +$265K ﹤0.01% 319
2017
Q4
Sell
-1,000
Closed -$35K 1194
2017
Q3
$35K Buy
+1,000
New +$34.5K ﹤0.01% 513
2016
Q3
Sell
-4,469
Closed -$150K 811
2016
Q2
$150K Hold
4,469
﹤0.01% 333
2016
Q1
$133K Hold
4,469
﹤0.01% 345
2015
Q4
$176K Buy
+4,469
New +$169K ﹤0.01% 333

Other funds holding MPLX

Brown Brothers Harriman & Co's MPLX Position: Q2 2026 in Review

Brown Brothers Harriman & Co increased its MPLX (MPLX) stake by 89% in Q2 2026, buying an estimated $861K and bringing the position to 32,692 shares worth $1.84M. The position accounts for 0.01% of the portfolio, ranked #379.

Brown Brothers Harriman & Co first reported a position in MPLX in Q4 2015 and has held it in 35 quarters since. 637 funds tracked by Wall St. Rank hold MPLX as of Q2 2026.

  • Brown Brothers Harriman & Co held 32,692 shares of MPLX worth $1.84M as of Q2 2026.
  • Brown Brothers Harriman & Co bought 15,432 MPLX shares in Q2 2026, an estimated $861K.
  • MPLX made up 0.01% of Brown Brothers Harriman & Co's portfolio in Q2 2026, its #379 holding.
  • Brown Brothers Harriman & Co first reported a position in MPLX in Q4 2015 and has held it in 35 quarters since.
  • 637 funds tracked by Wall St. Rank held MPLX as of Q2 2026.

Based on Brown Brothers Harriman & Co's 13F filing for Q2 2026, filed 12 Aug 2026.