Calamos Advisors LLC

Position in VLO — Valero Energy Corp/Tx

CIK 1316507 NAPERVILLE, IL

Position in VLO

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

Position Value

$17,165,860

+$324,888 QoQ

Shares Held

65,911

-3.3% QoQ

Ownership

0.023%

of shares outstanding

% of Portfolio

0.10%

of 13F equity value

Holder Rank

#258

of 1,955 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Energy · as of Jun 30, 2026

Calamos Advisors LLC holds $103,023,223 across 3 Oil & Gas Refining & Marketing names. VLO ranks #2 (16.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MPC	Marathon Petroleum Corp	290,934	$74,383,095
2	VLO	Valero Energy Corp/Tx This page	65,911	$17,165,860
3	PSX	Phillips 66	67,875	$11,474,268

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$17,165,860	65,911	-3.3%	Shares	Sole	2026-07-31
2026-03-31	$16,840,972	68,160	+1.9%	Shares	Sole	2026-05-04
2025-12-31	$10,888,534	66,887	-3.9%	Shares	Sole	2026-01-29
2025-09-30	$11,850,606	69,603	0.0%	Shares	Sole	2025-10-20
2025-06-30	$9,356,035	69,603	0.0%	Shares	Sole	2025-08-08
2025-03-31	$9,192,468	69,603	+1.1%	Shares	Sole	2025-04-29
2024-12-31	$8,437,624	68,828	0.0%	Shares	Sole	2025-01-24
2024-09-30	$9,293,844	68,828	-2.4%	Shares	Sole	2024-11-07
2024-06-30	$11,054,244	70,517	-3.5%	Shares	Sole	2024-07-25
2024-03-31	$12,475,902	73,091	-2.5%	Shares	Sole	2024-05-08
2023-12-31	$9,749,090	74,993	-1.4%	Shares	Sole	2024-01-31
2023-09-30	$10,780,588	76,075	+0.2%	Shares	Sole	2023-10-26
2023-06-30	$8,904,008	75,908	-30.6%	Shares	Sole	2023-07-28
2023-03-31	$15,278,940	109,448	-8.1%	Shares	Sole	2023-05-04
2022-12-31	$15,109,787	119,106	-11.2%	Shares	Sole	2023-01-26
2022-09-30	$14,331,363	134,126	-0.0%	Shares	Sole	2022-10-24
2022-06-30	$14,259,268	134,167	+2.1%	Shares	Sole	2022-08-01
2022-03-31	$13,348,549	131,461	+11.0%	Shares	Sole	2022-05-03
2021-12-31	$8,893,249	118,403	+2.9%	Shares	Sole	2022-02-01
2021-09-30	$8,124,159	115,122	+6.5%	Shares	Sole	2021-10-26
2021-06-30	$8,441,384	108,112	+18.5%	Shares	Sole	2021-07-22
2021-03-31	$6,531,208	91,218	+2.0%	Shares	Sole	2021-04-12
2020-12-31	$5,059,903	89,445	-2.6%	Shares	Sole	2021-01-27
2020-09-30	$3,979,115	91,854	-5.3%	Shares	Sole	2020-10-26
2020-06-30	$5,702,422	96,947	+44.2%	Shares	Sole	2020-07-27
2020-03-31	$3,049,280	67,224	—	Shares	Sole	2020-04-28
No filing history on record for this holder in this stock.