Mplx Lp (MPLX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

6,749,446Shares held by institutions

$389,274,298Value of institutional holdings

23.05%Institutional ownership %

-1.04%Shares Changed QoQ

568No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Mplx Lp (NYSE:MPLX) showed up in the 13F filings of 602 institutional investors as of December 2025.

They owned 17.0% of outstanding stock in December 2025, down from 21.7% the prior quarter.
They decreased total shares held in Mplx by -20.21% from the prior quarter, while the number of investors in MPLX increased 17.35% year over year.
Of these 602 holders, 311 added to their stakes in Mplx, 130 trimmed positions, and 161 made no changes.
In total, institutional investors held 172.99Mn shares in Mplx as of December 2025, down by 43.83Mn shares quarter on quarter, and down 51.74Mn shares year over year.
As of December 31, 2025, Invesco Ltd. held the largest stake in Mplx with 18.19Mn shares, accounting for 1.78% of total shares outstanding.
The most significant purchases of MPLX for the quarter ending December 2025 came from Blackstone Inc. (1.69Mn), Morgan Stanley (1.1Mn), Corient Private Wealth LLC (558.36K), CITADEL ADVISORS LLC (236.46K), OPAL CAPITAL LLC (219.79K).
Top sellers of MPLX stock for the quarter ending December 2025 included ALPS ADVISORS INC (25.98Mn), Bank Of America Corp /De/ (10.16Mn), Jpmorgan Chase & Co (6.03Mn), Westwood Holdings Group Inc (2.2Mn), Ing Groep Nv (1.4Mn).
Per Business Quant data, the top 10 holders of Mplx for the quarter ending December 2025 are Invesco Ltd. (18.19Mn), Blackstone Inc. (15.71Mn), TORTOISE CAPITAL ADVISORS, L.L.C. (13.32Mn), Goldman Sachs Group Inc (12.46Mn), Bank Of America Corp /De/ (8.53Mn), KAYNE ANDERSON CAPITAL ADVISORS LP (7.23Mn), MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. (6.91Mn), Morgan Stanley (5.76Mn), UBS Group AG (5.3Mn), Energy Income Partners, LLC (5.3Mn).

602 Institutional Holders

6,749,446 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	-441,982	-75.73%	$0.00
Invesco Ltd.	31 Dec, 2025	-1,374,060	-7.02%	$0.00
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	31 Dec, 2025	-151,642	-2.15%	$0.00
Barclays Plc	31 Dec, 2025	-2,274,530	-71.30%	$0.00
Blackstone Inc.	31 Dec, 2025	1,687,768	12.04%	$0.00
UBS Group AG	31 Dec, 2025	38,283	0.73%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	188,474	99.30%	$0.00
TORTOISE CAPITAL ADVISORS, L.L.C.	31 Dec, 2025	-200,561	-1.48%	$0.00
Fractal Investments LLC	31 Dec, 2025	0	0.00%	$0.00
World Investment Advisors	31 Dec, 2025	22,867	172.93%	$0.00
Goldman Sachs Group Inc	31 Dec, 2025	-634,574	-4.85%	$0.00
AlphaCore Capital LLC	31 Dec, 2025	29,129	1.85%	$0.00
Foresight Global Investors, Inc.	31 Dec, 2025	16,928	0.00%	$0.00
Bank Of America Corp /De/	31 Dec, 2025	-10,160,818	-54.36%	$0.00
INFRASTRUCTURE CAPITAL ADVISORS, LLC	31 Dec, 2025	-100,296	-8.81%	$0.00
KAYNE ANDERSON CAPITAL ADVISORS LP	31 Dec, 2025	-6,367	-0.09%	$0.00
Corient Private Wealth LLC	31 Dec, 2025	558,365	198.47%	$0.00
Morgan Stanley	31 Dec, 2025	1,104,510	23.71%	$0.00
Americana Partners, LLC	31 Dec, 2025	211,694	38.59%	$0.00
Energy Income Partners, LLC	31 Dec, 2025	-360,161	-6.36%	$0.00

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