Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2020
Q2
Sell
-10,000
Closed -$116K 8197
2020
Q1
$116K Buy
10,000
+2,500
+33% +$51.2K ﹤0.01% 5160
2019
Q4
$191K Sell
7,500
-17,400
-70% -$443K ﹤0.01% 5631
2019
Q3
$697K Sell
24,900
-312,600
-93% -$9.16M ﹤0.01% 4275
2019
Q2
$10.9M Sell
337,500
-3,200
-0.9% -$102K ﹤0.01% 1678
2019
Q1
$11.2M Buy
340,700
+323,000
+1,825% +$10.8M ﹤0.01% 1586
2018
Q4
$536K Buy
+17,700
New +$591K ﹤0.01% 4214
2018
Q1
Sell
-117,300
Closed -$4.16M 8034
2017
Q4
$4.16M Sell
117,300
-497,500
-81% -$17.5M ﹤0.01% 2541
2017
Q3
$21.5M Sell
614,800
-585,900
-49% -$20.2M 0.01% 1057
2017
Q2
$40.1M Buy
1,200,700
+271,600
+29% +$9.4M 0.02% 669
2017
Q1
$33.5M Buy
929,100
+207,200
+29% +$7.63M 0.02% 727
2016
Q4
$25M Buy
721,900
+649,000
+890% +$21.1M 0.01% 895
2016
Q3
$2.47M Buy
+72,900
New +$2.41M ﹤0.01% 2651
2016
Q1
Sell
-113,000
Closed -$4.44M 7962
2015
Q4
$4.44M Buy
+113,000
New +$4.27M ﹤0.01% 2065
2015
Q2
Sell
-68,900
Closed -$5.05M 8713
2015
Q1
$5.05M Buy
+68,900
New +$5.23M ﹤0.01% 2064

Other funds holding MPLX

UBS Group's MPLX Position: Q2 2026 in Review

UBS Group increased its MPLX (MPLX) stake by 0.49% in Q2 2026, buying an estimated $1.44M and bringing the position to 5,259,274 shares worth $296M. The position accounts for 0.04% of the portfolio, ranked #475.

UBS Group first reported a position in MPLX in Q4 2014 and has held it in 47 quarters since. The position peaked at $482M in Q4 2015. 640 funds tracked by Wall St. Rank hold MPLX as of Q2 2026.

  • UBS Group held 5,259,274 shares of MPLX worth $296M as of Q2 2026.
  • UBS Group bought 25,762 MPLX shares in Q2 2026, an estimated $1.44M.
  • MPLX made up 0.04% of UBS Group's portfolio in Q2 2026, its #475 holding.
  • UBS Group first reported a position in MPLX in Q4 2014 and has held it in 47 quarters since.
  • UBS Group's MPLX position peaked at $482M in Q4 2015.
  • 640 funds tracked by Wall St. Rank held MPLX as of Q2 2026.

Based on UBS Group's 13F filing for Q2 2026, filed 13 Aug 2026.