Mplx Lp (MPLX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

1,010,858,586Shares Outstanding

8,744,078Shares held by institutions

$496,925,953Value of institutional holdings

21.65%Institutional ownership %

-1.18%Shares Changed QoQ

364No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 496 institutions have reported a stake in Mplx Lp (NYSE:MPLX) as of December 2025, according to recent 13F filings with the SEC.

The percentage of Mplx owned by institutions changed from 20.4% in September 2025 to 8.7% in December 2025, marking a slight down trend.
On a quarter-over-quarter basis, institutional holdings shifted by -24.38%, with a year-over-year a decrease of 3.69% in the count of filers.
During the quarter, 243 institutions bought more Mplx shares, 104 sold shares, and 149 of the 496 total investors held their position steady.
The total number of shares held by institutions in Mplx decreased to 88.53Mn as of December 2025, a net change of down by 28.55Mn shares quarter on quarter, and down 124.07Mn shares year over year.
As of December 31, 2025, GOLDMAN SACHS GROUP INC held Mplx's largest shareholding position with over 12.46Mn shares, representing 1.22% of total outstanding shares.
Among the most significant buyers of Mplx during December 2025 were MORGAN STANLEY (1.10Mn), Jefferies Financial Group Inc. (233.63K), Americana Partners, LLC (211.69K), COHEN & STEERS, INC. (189.31K), EXCHANGE TRADED CONCEPTS, LLC (179.43K).
Leading sellers of Mplx stock in December 2025 included ALPS ADVISORS INC (25.98Mn), ING GROEP NV (1.40Mn), JPMORGAN CHASE & CO (1.37Mn), NATIXIS (949.80K), GOLDMAN SACHS GROUP INC (634.57K).
The top 10 institutional holders of Mplx for the quarter ending December 2025 included GOLDMAN SACHS GROUP INC (12.46Mn), KAYNE ANDERSON CAPITAL ADVISORS LP (7.23Mn), MORGAN STANLEY (5.76Mn), UBS Group AG (5.30Mn), JPMORGAN CHASE & CO (3.29Mn), BROOKFIELD Corp /ON/ (2.96Mn), ING GROEP NV (2.90Mn), CIBC Private Wealth Group LLC (2.72Mn), Clearbridge Investments, LLC (2.34Mn), MILLER HOWARD INVESTMENTS INC /NY (2.32Mn).

496 Institutional Holders

8,744,078 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
GOLDMAN SACHS GROUP INC	31 Dec, 2025	12,461,655	-634,574	-4.85%	$665,078,536.00
KAYNE ANDERSON CAPITAL ADVISORS LP	31 Dec, 2025	7,227,400	-6,367	-0.09%	$385,726,338.00
MORGAN STANLEY	31 Dec, 2025	5,763,110	1,104,510	23.71%	$307,577,192.00
UBS Group AG	31 Dec, 2025	5,304,746	38,283	0.73%	$283,114,294.00
JPMORGAN CHASE & CO	31 Dec, 2025	3,286,142	-1,372,119	-29.46%	$175,381,398.00
BROOKFIELD Corp /ON/	31 Dec, 2025	2,959,830	134,859	4.77%	$157,966,145.00
ING GROEP NV	31 Dec, 2025	2,903,800	-1,400,500	-32.54%	$154,975,806.00
CIBC Private Wealth Group LLC	31 Dec, 2025	2,724,200	36,110	1.34%	$145,390,554.00
Clearbridge Investments, LLC	31 Dec, 2025	2,343,689	172,000	7.92%	$125,082,682.00
MILLER HOWARD INVESTMENTS INC /NY	31 Dec, 2025	2,315,921	57,247	2.53%	$123,600,719.00
Fractal Investments LLC	31 Dec, 2025	2,051,301	0	0.00%	$109,477,934.00
EAGLE GLOBAL ADVISORS LLC	31 Dec, 2025	1,884,585	-52,470	-2.71%	$100,580,301.00
CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT	31 Dec, 2025	1,883,800	150,000	8.65%	$100,538,406.00
DUFF & PHELPS INVESTMENT MANAGEMENT CO	31 Dec, 2025	1,832,003	-5,476	-0.30%	$97,774,000.00
AlphaCore Capital LLC	31 Dec, 2025	1,606,602	29,129	1.85%	$85,744,345.00
STIFEL FINANCIAL CORP	31 Dec, 2025	1,328,139	-89,598	-6.32%	$70,882,810.00
Epoch Investment Partners, Inc.	31 Dec, 2025	1,156,589	112,738	10.80%	$61,727,155.00
Mariner, LLC	31 Dec, 2025	1,153,276	36,377	3.26%	$61,550,350.00
Neuberger Berman Group LLC	31 Dec, 2025	1,124,270	29,089	2.66%	$60,002,290.00
BNP PARIBAS FINANCIAL MARKETS	31 Dec, 2025	1,106,127	44,125	4.15%	$59,033,998.00

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