MPLX (MPLX) Ownership - Who Owns MPLX?

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MPLX (MPLX) Ownership Overview

0.16% Insiders

4.60% Mutual Funds

9.26% Other Institutional Investors

4.16% ETFs

81.82% Public Companies and Individual Investors

The ownership structure of MPLX (MPLX) stock is a mix of institutional, retail, and individual investors. Approximately 18.01% of the company’s stock is owned by Institutional Investors, 0.16% is owned by Insiders, and 81.82% is owned by Public Companies and Individual Investors.

The ownership structure of MPLX (MPLX) stock is a mix of institutional, retail, and individual investors. Approximately 13.86% of the company’s stock is owned by Institutional Investors, 0.16% is owned by Insiders, and 4.16% is owned by Public Companies and Individual Investors.

Recent Insider Trading Activity

Date	Name	Activity	Value

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Recent Hedge Fund Trading Activity

Date	Firm	Activity	Value
Dec 31, 2025	Heronetta Management, L.p.	xxxxxxxxxxxxx	$17272613
Dec 31, 2025	Goldentree Asset Management Lp	xxxxxxxxxxxxx	$22676165
Dec 31, 2025	Appaloosa Management Lp	xxxxxxxxxxxxx	$33489675
Dec 31, 2025	Brave Warrior Advisors Llc	xxxxxxxxxxxxx	$238783517

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Top Shareholders

Holder	# of Shares	Type	% Holding	Value
	25,305,479	Institution	2.49%	1,480,876,631
	18,294,497	Institution	1.80%	1,070,593,964
Stephen A. Schwarzman	15,705,485	Institution	1.55%	919,084,982
	8,881,166	Institution	0.87%	519,725,834
	7,231,995	Institution	0.71%	423,216,347
	4,636,789	Institution	0.46%	271,344,892
Glenn Greenberg	4,474,115	Institution	0.44%	261,825,210
	4,129,486	Institution	0.41%	241,657,521
	2,300,000	Institution	0.23%	134,596,000
	1,638,707	Institution	0.16%	95,897,134

Top Mutual Fund Holders

# of Shares	Type	% Holding	Value
18,294,497	Institution	1.80%	1,070,593,964
8,881,166	Institution	0.87%	519,725,834
4,636,789	Institution	0.46%	271,344,892
2,300,000	Institution	0.23%	134,596,000
1,638,707	Institution	0.16%	95,897,134
1,615,918	Institution	0.16%	94,563,521
1,468,655	Institution	0.14%	85,945,691
1,410,705	Institution	0.14%	82,554,457
1,296,800	Institution	0.13%	75,888,736
1,226,976	Institution	0.12%	71,802,636

Top ETF Holders

Holder	# of Shares	Type	% Holding	Value
Alerian MLP ETF	24,982,602	Institution	2.46%	1,461,981,869
Global X MLP ETF	4,530,294	Institution	0.45%	264,387,958
First Trust North American Energy Infrastructure Fund	2,944,705	Institution	0.29%	172,324,137
Global X MLP & Energy Infrastructure ETF	2,442,908	Institution	0.24%	142,568,111
FT Energy Income Partners Enhanced Income ETF	750,099	Institution	0.07%	43,895,793
Tortoise Energy Fund	726,567	Institution	0.07%	42,402,450
SM US En Inf Ptg.Shs -A- USD	600,136	Institution	0.06%	35,023,952
USCF Midstream Energy Income Fund ETF	521,674	Institution	0.05%	30,528,362
Tortoise North American Pipeline Fund	512,507	Institution	0.05%	29,909,909
FT Energy Income Partners Strategy ETF	347,948	Institution	0.03%	20,361,917

FAQ

Who Owns MPLX LP (MPLX)?

According to the latest TipRanks data, approximately 9.26% of the company's stock is held by institutional investors, 0.16% is held by insiders, and 81.82% is held by retail investors.

What percentage of MPLX LP (MPLX) stock is held by institutional investors?

According to the latest TipRanks data, approximately 9.26% of MPLX LP (MPLX) stock is held by institutional investors.

What percentage of MPLX LP (MPLX) stock is held by retail investors?

According to the latest TipRanks data, approximately 81.82% of MPLX LP (MPLX) stock is held by retail investors.

Who owns the most shares of MPLX LP (MPLX)?

Alerian owns the most shares of MPLX LP (MPLX).

What is the significance of the ownership structure for a publicly traded company?

The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.