Mariner, LLC

Position in MPLX — Mplx LP

CIK 1373442 Overland Park, KS

Position in MPLX

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$65,778,995

+$4,228,656 QoQ

Shares Held

1,152,602

-0.1% QoQ

Ownership

0.114%

of shares outstanding

% of Portfolio

0.13%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

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

Energy · as of Mar 31, 2026

Mariner, LLC holds $434,790,407 across 34 Oil & Gas Midstream names. MPLX ranks #2 (15.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	KMI	Kinder Morgan, Inc.	3,395,085	$113,837,198
2	MPLX	Mplx LP This page	1,152,602	$65,778,995
3	EPD	Enterprise Products Partners L.P.	1,372,882	$51,949,854
4	WMB	Williams Companies, Inc.	578,648	$42,114,001
5	ET	Energy Transfer LP	1,975,085	$38,119,139
6	OKE	Oneok Inc /New/	276,157	$24,961,830
7	PAA	Plains All American Pipeline LP	1,016,435	$22,696,993
8	ENB	Enbridge Inc	359,818	$19,480,544

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$65,778,995	1,152,602	-0.1%	Shares	Other	2026-05-13
2025-12-31	$61,550,339	1,153,276	+3.3%	Shares	Other	2026-02-13
2025-09-30	$55,789,104	1,116,899	-0.0%	Shares	Sole	2025-11-14
2025-06-30	$57,552,947	1,117,316	+4.7%	Shares	Other	2025-08-14
2025-03-31	$57,092,352	1,066,748	+1.2%	Shares	Sole	2025-05-15
2024-12-31	$50,457,601	1,054,275	-0.4%	Shares	Other	2025-02-13
2024-09-30	$47,057,308	1,058,419	-0.3%	Shares	Sole	2024-11-13
2024-06-30	$45,232,793	1,062,052	+4.9%	Shares	Sole	2024-08-13
2024-03-31	$42,073,307	1,012,351	+45.8%	Shares	Sole	2024-05-15
2023-12-31	$25,503,876	694,550	-0.1%	Shares	Sole	2024-02-14
2023-09-30	$24,735,555	695,405	+0.4%	Shares	Sole	2023-11-13
2023-06-30	$23,499,682	692,389	+3.1%	Shares	Sole	2023-08-11
2023-03-31	$23,133,863	671,520	-0.2%	Shares	Sole	2023-05-15
2022-12-31	$22,092,256	672,724	-5.2%	Shares	Sole	2023-02-14
2022-09-30	$21,305,509	709,947	+0.1%	Shares	Sole	2022-11-10
2022-06-30	$20,666,358	708,966	+5.9%	Shares	Sole	2022-08-15
2022-03-31	$22,202,861	669,164	-3.6%	Shares	Sole	2022-05-13
2021-12-31	$20,543,094	694,258	-46.5%	Shares	Sole	2022-02-14
2021-09-30	$36,947,568	1,297,772	+1.3%	Shares	Sole	2021-11-15
2021-06-30	$37,920,342	1,280,660	+79.8%	Shares	Sole	2021-08-24
2021-03-31	$18,253,147	712,179	-1.9%	Shares	Sole	2021-05-07
2020-12-31	$15,714,371	725,837	-13.6%	Shares	Sole	2021-02-16
2020-09-30	$13,218,814	839,823	-2.3%	Shares	Sole	2020-11-13
2020-06-30	$14,860,298	859,971	+9.6%	Shares	Sole	2020-08-14
2020-03-31	$9,117,481	784,637	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.