CASTLEARK MANAGEMENT LLC

Position in VLO — Valero Energy Corp/Tx

CIK 1106832 CHICAGO, IL

Position in VLO

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$1,718,904

-$104,546 QoQ

Shares Held

6,600

-10.6% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

#743

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

CASTLEARK MANAGEMENT LLC holds $8,421,287 across 3 Oil & Gas Refining & Marketing names. VLO ranks #2 (20.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MPC	Marathon Petroleum Corp	22,400	$5,727,008
2	VLO	Valero Energy Corp/Tx This page	6,600	$1,718,904
3	SUN	Sunoco LP	14,450	$975,375

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,718,904	6,600	-10.6%	Shares	Sole	2026-08-14
2026-03-31	$1,823,450	7,380	-58.4%	Shares	Sole	2026-05-15
2025-12-31	$2,884,638	17,720	0.0%	Shares	Sole	2026-02-13
2025-09-30	$3,017,007	17,720	+397.8%	Shares	Sole	2025-11-17
2025-06-30	$478,535	3,560	-62.2%	Shares	Sole	2025-08-18
2025-03-31	$1,242,778	9,410	+191.3%	Shares	Sole	2025-05-15
2024-12-31	$395,965	3,230	0.0%	Shares	Sole	2025-02-18
2024-09-30	$436,146	3,230	-92.8%	Shares	Sole	2024-11-15
2024-06-30	$7,079,281	45,160	-65.2%	Shares	Sole	2024-08-14
2024-03-31	$22,138,493	129,700	+1936.1%	Shares	Sole	2024-05-16
2023-12-31	$828,100	6,370	-63.5%	Shares	Sole	2024-02-15
2023-09-30	$2,471,422	17,440	+20.4%	Shares	Sole	2023-11-15
2023-06-30	$1,698,504	14,480	-10.8%	Shares	Sole	2023-08-16
2023-03-31	$2,265,708	16,230	-34.3%	Shares	Sole	2023-05-16
2022-12-31	$3,132,173	24,690	0.0%	Shares	Sole	2023-02-10
2022-09-30	$2,638,126	24,690	-19.6%	Shares	Sole	2022-11-15
2022-06-30	$3,262,796	30,700	+221.1%	Shares	Sole	2022-08-16
2022-03-31	$970,722	9,560	0.0%	Shares	Sole	2022-05-16
2021-12-31	$718,051	9,560	-23.9%	Shares	Sole	2022-02-16
2021-09-30	$886,359	12,560	-61.9%	Shares	Sole	2021-11-12
2021-06-30	$2,573,126	32,955	-14.1%	Shares	Sole	2021-08-17
2021-03-31	$2,746,218	38,355	-6.5%	Shares	Sole	2021-05-14
2020-12-31	$2,320,218	41,015	+588.7%	Shares	Sole	2021-02-17
2020-09-30	$257,970	5,955	-90.2%	Shares	Sole	2020-11-16
2020-06-30	$3,566,256	60,630	+285.4%	Shares	Sole	2020-08-14
2020-03-31	$713,512	15,730	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.