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
2025 Q2	–	Sell	-258,300	Closed	-$13.8M	–	10630
2025 Q1	$13.8M	Sell	258,300 -125,600	-33%	-$6.58M	﹤0.01%	2719
2024 Q4	$18.4M	Buy	+383,900	New	+$17.9M	﹤0.01%	2417
2023 Q1	–	Sell	-2,500	Closed	-$82.1K	–	10065
2022 Q4	$82.1K	Buy	+2,500	New	+$81.8K	﹤0.01%	6282
2021 Q2	–	Sell	-350,000	Closed	-$8.97M	–	9642
2021 Q1	$8.97M	Buy	+350,000	New	+$8.59M	﹤0.01%	2049
2019 Q3	–	Sell	-330,000	Closed	-$10.6M	–	8149
2019 Q2	$10.6M	Hold	330,000	–	–	﹤0.01%	1699
2019 Q1	$10.9M	Buy	+330,000	New	+$11.1M	﹤0.01%	1618
2017 Q1	–	Sell	-16,000	Closed	-$554K	–	7838
2016 Q4	$554K	Buy	+16,000	New	+$519K	﹤0.01%	4029
2015 Q2	–	Sell	-15,000	Closed	-$1.1M	–	8712
2015 Q1	$1.1M	Buy	+15,000	New	+$1.14M	﹤0.01%	3483

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.