MPLX Ownership | Who Owns MPLX?

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MPLX Ownership Summary

MPLX is owned by 22.75% institutional investors, 63.69% insiders, and 13.56% retail investors. Alps advisors is the largest institutional shareholder, holding 2.56% of MPLX shares. Cushing Midstream Strategy is the top mutual fund, with 18.05% of its assets in MPLX shares.

MPLX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	MPLX	22.75%	63.69%	13.56%
Sector	Energy Stocks	108.48%	14.45%	-22.93%
Industry	Oil & Gas Midstream Stocks	53.47%	19.05%	27.48%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Alps advisors	26.08M	2.56%	$1.34B
Invesco	20.96M	2.06%	$1.00B
Blackstone	16.94M	1.66%	$872.76M
Goldman sachs group	13.57M	1.33%	$649.26M
Tortoise capital advisors	13.19M	1.29%	$679.46M
Kayne anderson capital advisors lp	7.62M	0.75%	$392.46M
Morgan stanley	7.05M	0.70%	$300.17M
Mirae asset global etfs	6.90M	0.68%	$330.45M
Ubs group	5.72M	0.56%	$273.97M
Chickasaw capital management	5.61M	0.55%	$280.31M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Ppm america inc/il	87.20K	44.90%	$4.49M
Alphacore capital	1.57M	16.14%	$66.81M
Fractal investments	2.05M	14.79%	$102.46M
Chickasaw capital management	5.61M	11.46%	$280.31M
Heronetta management	356.06K	10.41%	$19.06M
Longfellow investment management	766.53K	9.43%	$36.69M
Kayne anderson capital advisors lp	7.62M	9.08%	$392.46M
Tortoise capital advisors	13.19M	8.86%	$679.46M
Alps advisors	26.08M	7.75%	$1.34B
Amplify investments	6.03K	7.67%	$301.40K

Top Buyers

Holder	Shares	% Assets	Change
Fmr	1.99M	0.01%	1.16M
Jane street group	601.62K	0.01%	594.53K
Reaves w h	670.50K	0.77%	560.50K
Blackrock funding, inc. /de	585.59K	0.00%	474.84K
Neuberger berman group	644.00K	0.02%	443.91K

Top Sellers

Holder	Shares	% Assets	Change
Kingstone capital partners texas	-	-	-15.08M
Mirae asset global investments	-	-	-5.96M
Westwood group	28.56K	0.01%	-2.14M
Ing groep nv	4.63M	1.49%	-2.00M
Morgan stanley	7.05M	0.02%	-1.43M

New Positions

Holder	Shares	% Assets	Change	Value
Susquehanna portfolio strategies	367.00K	0.41%	367.00K	$18.90M
Merewether investment management, lp	329.80K	0.00%	329.80K	$71.07K
Glenmede investment management, lp	185.57K	0.05%	185.57K	$9.56M
Parkwood	159.90K	0.74%	159.90K	$8.24M
Empowered funds	70.41K	0.04%	70.41K	$3.63M

Sold Out

Holder	Change
Ridgewood investments	-12.00
Maia wealth	-45.00
Abich financial wealth management	-60.00
Truvestments capital	-62.00
Edgerock capital	-82.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	587	2.26%	232,075,309	6.51%	22	4.99%	276	0.36%	136	4.62%
Mar 31, 2025	7	-98.70%	1,806,533	-99.17%	-	0.04%	4	-98.48%	1	-99.18%
Dec 31, 2024	490	-5.04%	209,819,404	-9.55%	20	3.98%	243	-4.71%	109	11.22%
Sep 30, 2024	509	1.19%	231,889,207	-3.00%	22	4.04%	250	3.31%	97	-2.02%
Jun 30, 2024	495	-0.60%	232,522,987	2.99%	23	4.54%	238	0.85%	98	-24.62%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Cushing Midstream Strategy	184.26M	18.05%	23.60M
Alerian MLP ETF	26.19M	2.57%	-
Invesco SteelPath MLP Income Y	11.74M	1.15%	-400.00K
Kayne Anderson Energy Infrastructure	6.16M	0.60%	-
Kayne Anderson Energy Infrastructure Fund, Inc	6.16M	0.60%	-
Tortoise Midstream MLP Separate Accounts	5.73M	0.56%	4.17M
Tortoise Energy Infrastructure TR Ins	4.55M	0.45%	-184.64K
Global X MLP ETF	4.49M	0.44%	12.39K
Goldman Sachs MLP Energy Infras Instl	3.95M	0.39%	-118.59K
Tortoise Strategic Energy Infr Composite	3.50M	0.34%	92.03K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Mar 07, 2025	Lyon Shawn M	Senior VP, Log. & Storage	Buy	$211.00K
Nov 18, 2024	HAGEDORN CARL KRISTOPHER	Exec VP & Chief Fin Ofc	Sell	$188.96K
Apr 19, 2022	Floerke Gregory Scott	Exec. VP and COO	Sell	$87.50K
Feb 07, 2022	Floerke Gregory Scott	Exec. VP and COO	Sell	$83.00K
Feb 02, 2022	SEMPLE FRANK M	-	Sell	$952.00K

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	-	-
2025 Q2	-	-
2025 Q1	1	-
2024 Q4	-	1
2024 Q3	-	-

MPLX Ownership FAQ

Who Owns MPLX?

MPLX shareholders are primarily institutional investors at 22.75%, followed by 63.69% insiders and 13.56% retail investors. The average institutional ownership in MPLX's industry, Oil & Gas Midstream Stocks , is 53.47%, which MPLX falls below.

Who owns the most shares of MPLX?

MPLX’s largest shareholders are Alps advisors (26.08M shares, 2.56%), Invesco (20.96M shares, 2.06%), and Blackstone (16.94M shares, 1.66%). Together, they hold 6.27% of MPLX’s total shares outstanding.

Does Blackrock own MPLX?

BlackRock is not among the top 10 institutional shareholders of MPLX.

Who is MPLX’s biggest shareholder by percentage of total assets invested?

Ppm america inc/il is MPLX’s biggest shareholder by percentage of total assets invested, with 44.90% of its assets in 87.2K MPLX shares, valued at 4.49M$.

Who is the top mutual fund holder of MPLX shares?

Cushing Midstream Strategy is the top mutual fund holder of MPLX shares, with 18.05% of its total shares outstanding invested in 184.26M MPLX shares.

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