MPLX Ownership | Who Owns MPLX?

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MPLX Ownership Summary

MPLX is owned by 20.57% institutional investors, 63.94% insiders, and 15.48% retail investors. Alps advisors is the largest institutional shareholder, holding 2.55% of MPLX shares. Cushing Midstream Strategy is the top mutual fund, with 15.77% of its assets in MPLX shares.

MPLX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	MPLX	20.57%	63.94%	15.48%
Sector	Energy Stocks	44.64%	13.74%	41.61%
Industry	Oil & Gas Midstream Stocks	34.47%	17.79%	47.74%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Alps advisors	26.00M	2.55%	$1.24B
Invesco	20.96M	2.06%	$1.00B
Blackstone	19.24M	1.89%	$921.06M
Tortoise capital advisors	14.23M	1.40%	$680.98M
Goldman sachs group	13.57M	1.33%	$649.26M
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
Energy income partners	5.67M	0.56%	$271.23M
Kayne anderson capital advisors lp	5.63M	0.55%	$269.67M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Ppm america inc/il	87.20K	39.11%	$4.17M
Alphacore capital	1.57M	16.14%	$66.81M
Fractal investments	1.91M	14.16%	$81.38M
Chickasaw capital management	5.57M	10.77%	$266.41M
Heronetta management	355.56K	9.72%	$17.02M
Longfellow investment management	766.53K	9.43%	$36.69M
Tortoise capital advisors	14.23M	8.72%	$680.98M
Delphi financial group	341.08K	8.18%	$14.53M
Alps advisors	26.00M	7.85%	$1.24B
Rr advisors	530.00K	6.52%	$25.36M

Top Buyers

Holder	Shares	% Assets	Change
Fmr	1.99M	0.01%	1.16M
Energy income partners	5.67M	5.57%	1.05M
Raymond james financial	875.83K	0.02%	875.83K
Jane street group	601.62K	0.01%	594.53K
Neuberger berman group	644.00K	0.02%	443.91K

Top Sellers

Holder	Shares	% Assets	Change
Mirae asset global investments	-	-	-5.96M
Blackstone	19.24M	4.19%	-2.58M
Ing groep nv	4.63M	1.49%	-2.00M
Morgan stanley	7.05M	0.02%	-1.43M
Goldman sachs group	13.57M	0.10%	-1.37M

New Positions

Holder	Shares	% Assets	Change	Value
Raymond james financial	875.83K	0.02%	875.83K	$41.92M
Truemark investments	112.69K	1.72%	112.69K	$5.39M
Simplex trading	56.01K	0.00%	56.01K	$2.38M
Caption management	48.80K	0.03%	48.80K	$2.08M
Reaves w h	25.00K	0.03%	25.00K	$1.20M

Sold Out

Holder	Change
Ridgewood investments	-12.00
Abich financial wealth management	-60.00
Edgerock capital	-82.00
Yhb investment advisors	-140.00
Triad wealth partners	-145.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Mar 31, 2024	498	9.45%	225,778,817	1.82%	22	4.59%	236	2.16%	130	38.30%
Dec 31, 2023	455	11.25%	221,739,651	-3.49%	22	4.20%	231	23.53%	94	3.30%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Cushing Midstream Strategy	160.66M	15.77%	2.92M
Alerian MLP ETF	25.36M	2.48%	120.41K
Invesco SteelPath MLP Income Y	12.64M	1.24%	-290.00K
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	4.74M	0.46%	-150.30K
Goldman Sachs MLP Energy Infras Instl	4.42M	0.43%	293.98K
Global X MLP ETF	4.42M	0.43%	-
Tortoise Energy Infrastructure Inst Comp	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 Q2	-	-
2025 Q1	1	-
2024 Q4	-	1
2024 Q3	-	-
2024 Q2	-	-

MPLX Ownership FAQ

Who Owns MPLX?

MPLX shareholders are primarily institutional investors at 20.57%, followed by 63.94% insiders and 15.49% retail investors. The average institutional ownership in MPLX's industry, Oil & Gas Midstream Stocks , is 34.47%, which MPLX falls below.

Who owns the most shares of MPLX?

MPLX’s largest shareholders are Alps advisors (26M shares, 2.55%), Invesco (20.96M shares, 2.06%), and Blackstone (19.24M shares, 1.89%). Together, they hold 6.49% 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 39.11% of its assets in 87.2K MPLX shares, valued at 4.17M$.

Who is the top mutual fund holder of MPLX shares?

Cushing Midstream Strategy is the top mutual fund holder of MPLX shares, with 15.77% of its total shares outstanding invested in 160.66M MPLX shares.

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