DUFF & PHELPS INVESTMENT MANAGEMENT CO

Position in MPLX — Mplx LP

CIK 765443 CHICAGO, IL

Position in MPLX

as of Mar 31, 2026 · filed Apr 28, 2026 Compact

Position Value

$95,219,410

-$2,554,590 QoQ

Shares Held

1,668,467

-8.9% QoQ

Ownership

0.164%

of shares outstanding

% of Portfolio

1.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Energy · as of Mar 31, 2026

DUFF & PHELPS INVESTMENT MANAGEMENT CO holds $1,083,601,616 across 15 Oil & Gas Midstream names. MPLX ranks #5 (8.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	WMB	Williams Companies, Inc.	1,932,786	$140,668,163
2	TRGP	Targa Resources Corp.	509,397	$127,721,109
3	LNG	Cheniere Energy, Inc.	371,015	$105,279,215
4	TRP	Tc Energy Corp	1,626,340	$101,808,883
5	MPLX	Mplx LP This page	1,668,467	$95,219,410
6	OKE	Oneok Inc /New/	1,030,679	$93,163,074
7	ET	Energy Transfer LP	4,346,738	$83,892,043
8	ENB	Enbridge Inc	1,539,163	$83,330,283

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$95,219,410	1,668,467	-8.9%	Shares	Sole	2026-04-28
2025-12-31	$97,774,000	1,832,003	-0.3%	Shares	Sole	2026-01-26
2025-09-30	$91,782,076	1,837,479	+0.3%	Shares	Sole	2025-11-13
2025-06-30	$94,407,115	1,832,792	-5.0%	Shares	Sole	2025-08-11
2025-03-31	$103,228,947	1,928,792	-2.2%	Shares	Sole	2025-05-13
2024-12-31	$94,347,901	1,971,331	+2.0%	Shares	Sole	2025-02-12
2024-09-30	$85,962,787	1,933,486	+4.9%	Shares	Sole	2024-11-15
2024-06-30	$78,480,294	1,842,693	0.0%	Shares	Sole	2024-08-15
2024-03-31	$76,582,321	1,842,693	-6.8%	Shares	Sole	2024-05-14
2023-12-31	$72,584,166	1,976,693	+0.4%	Shares	Sole	2024-02-05
2023-09-30	$70,008,625	1,968,193	-0.2%	Shares	Sole	2023-11-13
2023-06-30	$66,936,230	1,972,193	+6.8%	Shares	Sole	2023-08-03
2023-03-31	$63,639,002	1,847,286	0.0%	Shares	Sole	2023-05-10
2022-12-31	$60,664,872	1,847,286	-2.8%	Shares	Sole	2023-02-08
2022-09-30	$57,042,587	1,900,786	0.0%	Shares	Sole	2022-11-14
2022-06-30	$55,407,911	1,900,786	+2.6%	Shares	Sole	2022-08-10
2022-03-31	$61,478,425	1,852,876	+0.0%	Shares	Sole	2022-05-11
2021-12-31	$54,825,713	1,852,846	+4.3%	Shares	Sole	2022-02-07
2021-09-30	$50,561,609	1,775,961	-0.3%	Shares	Other	2021-11-10
2021-06-30	$52,748,379	1,781,438	+6.9%	Shares	Other	2021-08-09
2021-03-31	$42,723,749	1,666,943	+12.1%	Shares	Other	2021-05-10
2020-12-31	$32,207,470	1,487,643	0.0%	Shares	Other	2021-01-29
2020-09-30	$23,415,500	1,487,643	0.0%	Shares	Other	2020-11-03
2020-06-30	$25,706,471	1,487,643	+0.9%	Shares	Other	2020-08-06
2020-03-31	$17,124,719	1,473,728	—	Shares	Other	2020-05-14
No filing history on record for this holder in this stock.