Calamos Wealth Management LLC

Position in MPC — Marathon Petroleum Corp

CIK 1455258 NAPERVILLE, IL

Position in MPC

as of Jun 30, 2026 · filed Jul 31, 2026 Compact

Position Value

$1,253,550

+$102,974 QoQ

Shares Held

4,903

+4.1% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.06%

of 13F equity value

Holder Rank

#787

of 1,924 holders

Holding Since

Sep 2020

23 quarters on record

Voting authority Sole 95% Shared 0% None 5%

Energy · as of Jun 30, 2026

Calamos Wealth Management LLC holds $2,013,983 across 3 Oil & Gas Refining & Marketing names. MPC ranks #1 (62.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MPC	Marathon Petroleum Corp This page	4,903	$1,253,550
2	PSX	Phillips 66	3,084	$521,350
3	VLO	Valero Energy Corp/Tx	918	$239,083

23 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,253,550	4,903	+4.1%	Shares	Sole	2026-07-31
2026-03-31	$1,150,576	4,712	+1.3%	Shares	Sole	2026-05-04
2025-12-31	$756,229	4,650	-20.5%	Shares	Sole	2026-01-29
2025-09-30	$1,127,914	5,852	+6.9%	Shares	Sole	2025-10-20
2025-06-30	$908,953	5,472	+17.5%	Shares	Sole	2025-07-29
2025-03-31	$678,624	4,658	+11.3%	Shares	Sole	2025-04-29
2024-12-31	$583,807	4,185	+2.2%	Shares	Sole	2025-01-24
2024-09-30	$667,279	4,096	+28.4%	Shares	Sole	2024-11-12
2024-06-30	$553,227	3,189	-2.3%	Shares	Sole	2024-07-25
2024-03-31	$657,897	3,265	-6.6%	Shares	Sole	2024-05-08
2023-12-31	$518,666	3,496	-1.9%	Shares	Sole	2024-01-31
2023-09-30	$539,224	3,563	-2.4%	Shares	Sole	2023-10-26
2023-06-30	$425,823	3,652	-3.6%	Shares	Sole	2023-07-28
2023-03-31	$510,870	3,789	-0.2%	Shares	Sole	2023-05-04
2022-12-31	$442,049	3,798	0.0%	Shares	Sole	2023-01-26
2022-09-30	$377,255	3,798	-8.8%	Shares	Sole	2022-10-24
2022-06-30	$342,404	4,165	-4.2%	Shares	Sole	2022-08-01
2022-03-31	$371,839	4,349	+2.5%	Shares	Sole	2022-05-03
2021-12-31	$271,381	4,241	-13.9%	Shares	Sole	2022-02-01
2021-09-30	$304,537	4,927	-1.5%	Shares	Sole	2021-10-26
2021-06-30	$302,220	5,002	-0.7%	Shares	Sole	2021-07-22
2021-03-31	$269,375	5,036	-30.8%	Shares	Sole	2021-04-12
2020-09-30	$213,536	7,278	—	Shares	Sole	2020-10-26
No filing history on record for this holder in this stock.