MPLX Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of MPLX?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	1,634,730	0.16%
General Public	136,633,397	13.4%
Institutions	234,900,959	23%
Public Companies	647,415,452	63.4%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 81.51% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
63.4%	Marathon Petroleum Corporation	647,415,452	US$30.9b	0%	no data
2.52%	ALPS Advisors, Inc.	25,679,275	US$1.2b	-2.03%	6.36%
2.14%	Harvest Fund Advisors LLC	21,821,405	US$1.0b	-5.7%	13.02%
2.06%	Invesco Ltd.	20,980,206	US$1.0b	-0.61%	0.26%
1.57%	Bank of America Corporation, Asset Management Arm	16,050,821	US$765.1m	-3.84%	0.22%
1.42%	Tortoise Capital Advisors, L.L.C.	14,444,393	US$688.6m	-2.57%	7.67%
1.04%	Goldman Sachs Asset Management, L.P.	10,575,789	US$504.1m	-2.16%	0.13%
0.65%	Mirae Asset Global Investments Co., Ltd.	6,637,479	US$316.4m	6.81%	0.26%
0.65%	ING Groep NV, Insurance and Banking Investments	6,628,400	US$316.0m	69.8%	1.47%
0.56%	Kayne Anderson Capital Advisors, L.P.	5,735,562	US$273.4m	0.8%	5.79%
0.56%	JPMorgan Chase & Co, Brokerage and Securities Investments	5,706,073	US$272.0m	-15.4%	0.12%
0.55%	UBS Asset Management AG	5,619,992	US$267.9m	-2.1%	0.03%
0.55%	Chickasaw Capital Management, LLC	5,580,052	US$266.0m	0.63%	10.19%
0.47%	Morgan Stanley Investment Management Inc.	4,842,071	US$230.8m	-11.4%	0.18%
0.45%	Energy Income Partners LLC	4,620,470	US$220.3m	1.74%	4.15%
0.43%	Brave Warrior Advisors, LLC	4,432,966	US$211.3m	4.66%	4.24%
0.43%	Goldman Sachs Group, Investment Banking and Securities Investments	4,359,504	US$207.8m	-12.3%	0.1%
0.41%	Brookfield Corporation	4,141,816	US$197.4m	-1.08%	0.56%
0.3%	ClearBridge Investments, LLC	3,101,897	US$147.9m	1.38%	0.11%
0.28%	CIBC Private Wealth Advisors, Inc.	2,886,065	US$137.6m	7%	0.24%
0.26%	Miller Howard Investments, Inc.	2,605,612	US$124.2m	1.31%	3.66%
0.21%	Westwood Management Corp.	2,170,896	US$103.5m	8.64%	0.75%
0.2%	Barclays PLC Private Banking & Investment Banking Investment	2,016,740	US$96.1m	-46.4%	0.06%
0.19%	Duff & Phelps Investment Management Co.	1,933,486	US$92.2m	4.93%	0.94%
0.19%	Fractal Investments LLC	1,910,849	US$91.1m	0%	14.21%