AVENIR CORP

Position in MPLX — Mplx LP

CIK 1033475 ALEXANDRIA, VA

Position in MPLX

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$10,441,666

-$224,260 QoQ

Shares Held

185,366

-0.8% QoQ

Ownership

0.018%

of shares outstanding

% of Portfolio

1.28%

of 13F equity value

Holder Rank

#85

of 630 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Energy · as of Jun 30, 2026

AVENIR CORP holds $28,901,729 across 6 Oil & Gas Midstream names. MPLX ranks #1 (36.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MPLX	Mplx LP This page	185,366	$10,441,666
2	ET	Energy Transfer LP	450,367	$8,611,017
3	KMI	Kinder Morgan, Inc.	145,135	$4,639,965
4	EPD	Enterprise Products Partners L.P.	125,478	$4,612,571
5	TRGP	Targa Resources Corp.	1,421	$381,026
6	ENB	Enbridge Inc	3,975	$215,484

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$10,441,666	185,366	-0.8%	Shares	Sole	2026-08-13
2026-03-31	$10,665,926	186,892	0.0%	Shares	Sole	2026-05-14
2025-12-31	$9,974,426	186,892	0.0%	Shares	Sole	2026-02-13
2025-09-30	$9,335,255	186,892	+2.1%	Shares	Sole	2025-11-14
2025-06-30	$9,424,630	182,967	-0.2%	Shares	Sole	2025-08-14
2025-03-31	$9,809,894	183,294	0.0%	Shares	Sole	2025-05-14
2024-12-31	$8,772,450	183,294	-0.5%	Shares	Sole	2025-02-13
2024-09-30	$8,188,020	184,166	-2.8%	Shares	Sole	2024-11-14
2024-06-30	$8,072,806	189,547	-2.4%	Shares	Sole	2024-08-14
2024-03-31	$8,072,323	194,233	-1.4%	Shares	Sole	2024-05-16
2023-12-31	$7,236,300	197,067	-1.8%	Shares	Sole	2024-02-14
2023-09-30	$7,137,618	200,664	0.0%	Shares	Sole	2023-11-14
2023-06-30	$6,810,536	200,664	-10.7%	Shares	Sole	2023-08-11
2023-03-31	$7,738,985	224,644	-0.5%	Shares	Sole	2023-05-15
2022-12-31	$7,416,716	225,844	0.0%	Shares	Sole	2023-02-14
2022-09-30	$6,777,578	225,844	-0.4%	Shares	Sole	2022-11-15
2022-06-30	$6,612,735	226,852	0.0%	Shares	Sole	2022-08-11
2022-03-31	$7,526,949	226,852	-1.4%	Shares	Sole	2022-05-16
2021-12-31	$6,809,309	230,122	+1.2%	Shares	Sole	2022-02-16
2021-09-30	$6,476,839	227,497	-0.6%	Shares	Sole	2021-11-12
2021-06-30	$6,774,679	228,797	-0.6%	Shares	Sole	2021-08-13
2021-03-31	$5,898,283	230,132	0.0%	Shares	Sole	2021-05-14
2020-12-31	$4,982,357	230,132	-1.6%	Shares	Sole	2021-02-12
2020-09-30	$3,681,161	233,873	-1.8%	Shares	Sole	2020-11-13
2020-06-30	$4,114,627	238,115	-0.2%	Shares	Sole	2020-08-14
2020-03-31	$2,771,323	238,496	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.