THOMPSON SIEGEL & WALMSLEY LLC

Position in MPC — Marathon Petroleum Corp

CIK 1008322 RICHMOND, VA

Position in MPC

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$4,655,780

+$1,369,353 QoQ

Shares Held

19,067

-5.6% QoQ

Ownership

0.007%

of shares outstanding

% of Portfolio

0.09%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 97.91786856873131.ToString("F0")% Shared 0.ToString("F0")% None 2.0821314312686843.ToString("F0")%

Energy · as of Mar 31, 2026

THOMPSON SIEGEL & WALMSLEY LLC holds $70,309,361 across 4 Oil & Gas Refining & Marketing names. MPC ranks #2 (6.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	DINO	HF Sinclair Corp	1,037,867	$64,752,522
2	MPC	Marathon Petroleum Corp This page	19,067	$4,655,780
3	PSX	Phillips 66	2,776	$505,731
4	VLO	Valero Energy Corp/Tx	1,600	$395,328

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$4,655,780	19,067	-5.6%	Shares	Defined	2026-05-11
2025-12-31	$3,286,427	20,208	-0.2%	Shares	Defined	2026-02-10
2025-09-30	$3,904,526	20,258	+0.6%	Shares	Defined	2025-11-12
2025-06-30	$3,346,452	20,146	-0.6%	Shares	Defined	2025-08-06
2025-03-31	$2,953,281	20,271	-0.3%	Shares	Defined	2025-05-09
2024-12-31	$2,835,198	20,324	-0.5%	Shares	Defined	2025-02-10
2024-09-30	$3,329,228	20,436	0.0%	Shares	Defined	2024-11-12
2024-06-30	$3,545,237	20,436	-5.1%	Shares	Defined	2024-08-08
2024-03-31	$4,337,287	21,525	-6.1%	Shares	Defined	2024-05-09
2023-12-31	$3,401,004	22,924	-1.6%	Shares	Defined	2024-02-07
2023-09-30	$3,526,070	23,299	-2.0%	Shares	Defined	2023-11-08
2023-06-30	$2,771,348	23,768	-2.8%	Shares	Defined	2023-08-10
2023-03-31	$3,295,919	24,445	-0.7%	Shares	Defined	2023-05-11
2022-12-31	$2,865,521	24,620	-2.8%	Shares	Defined	2023-02-10
2022-09-30	$2,516,624	25,336	-3.8%	Shares	Defined	2022-10-25
2022-06-30	$2,165,082	26,336	-16.1%	Shares	Defined	2022-07-22
2022-03-31	$2,684,700	31,400	-52.5%	Shares	Defined	2022-04-26
2021-12-31	$4,227,307	66,062	+3.2%	Shares	Defined	2022-02-09
2021-09-30	$3,956,890	64,017	+1.1%	Shares	Defined	2021-11-05
2021-06-30	$3,825,915	63,322	+9.9%	Shares	Defined	2021-08-09
2021-03-31	$3,082,468	57,627	+50450.0%	Shares	Defined	2021-05-07
2020-12-31	$4,715	114	0.0%	Shares	Defined	2021-02-08
2020-09-30	$3,344	114	0.0%	Shares	Defined	2020-11-12
2020-06-30	$4,261	114	-97.0%	Shares	Defined	2020-08-11
2020-03-31	$89,141	3,774	—	Shares	Defined	2020-05-12
No filing history on record for this holder in this stock.