UBS Group’s MPLX MPLX Stock Holding History

UBS Group’s Portfolio MPLX Stock Details MPLX Fund Activity

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%	5630
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

ALPS Advisors Denver, Colorado $21.8B AUM 17.58% 1-Year Est. Return

Chickasaw Capital Management Memphis, Tennessee $2.79B AUM 24.88% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

Bank of Montreal Toronto, Ontario, Canada $313B AUM 26.62% 1-Year Est. Return

Miller Howard Investments Kingston, New York $3.72B AUM 18.2% 1-Year Est. Return

Eagle Global Advisors Houston, Texas $3.02B AUM 27.86% 1-Year Est. Return

Fractal Investments Glastonbury, Connecticut $883M AUM 25.39% 1-Year Est. Return

AlphaCore Capital La Jolla, California $6.24B AUM 19.96% 1-Year Est. Return

Duff & Phelps Investment Management Chicago, Illinois $9.7B AUM 5.22% 1-Year Est. Return

NXG Investment Management Dallas, Texas $2.18B AUM 31.25% 1-Year Est. Return

UBS Group's MPLX Position: Q3 2026 in Review

UBS Group reduced its MPLX (MPLX) stake by 7.8% in Q3 2026, selling an estimated $24.1M and leaving 4,846,761 shares worth $273M. The position accounts for 0.04% of the portfolio, ranked #501.

UBS Group first reported a position in MPLX in Q4 2014 and has held it in 48 quarters since. The position peaked at $482M in Q4 2015. 400 funds tracked by Wall St. Rank hold MPLX as of Q3 2026.

UBS Group held 4,846,761 shares of MPLX worth $273M as of Q3 2026.
UBS Group sold 412,513 MPLX shares in Q3 2026, an estimated $24.1M.
MPLX made up 0.04% of UBS Group's portfolio in Q3 2026, its #501 holding.
UBS Group first reported a position in MPLX in Q4 2014 and has held it in 48 quarters since.
UBS Group's MPLX position peaked at $482M in Q4 2015.
400 funds tracked by Wall St. Rank held MPLX as of Q3 2026.

Based on UBS Group's 13F filing for Q3 2026, filed 10 Nov 2026.