GROUP ONE TRADING LLC

Position in DK — Delek US Holdings, Inc.

CIK 932540 CHICAGO, IL

Position in DK

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$2,918,778

+$2,331,006 QoQ

Shares Held

64,761

+226.8% QoQ

Ownership

0.106%

of shares outstanding

% of Portfolio

0.12%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

11 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Energy · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $11,299,169 across 8 Oil & Gas Refining & Marketing names. DK ranks #2 (25.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CVI	Cvr Energy Inc	92,274	$3,105,020
2	DK	Delek US Holdings, Inc. This page	64,761	$2,918,778
3	PBF	PBF Energy Inc.	34,193	$1,628,270
4	DINO	HF Sinclair Corp	24,668	$1,539,036
5	VLO	Valero Energy Corp/Tx	5,892	$1,455,795
6	IEP	Icahn Enterprises L.P.	84,198	$635,694
7	UGP	Ultrapar Holdings Inc	2,553	$14,067
8	CSAN	Cosan S.A.	609	$2,509

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,918,778	64,761	+226.8%	Shares	Sole	2026-05-13
2025-12-31	$587,772	19,817	-82.9%	Shares	Sole	2026-02-12
2025-09-30	$3,741,061	115,930	+39.5%	Shares	Sole	2025-11-12
2025-06-30	$1,760,163	83,105	+43870.9%	Shares	Sole	2025-08-14
2025-03-31	$2,848	189	-93.8%	Shares	Sole	2025-05-14
2024-12-31	$56,425	3,050	-94.7%	Shares	Sole	2025-05-14
2022-06-30	$1,483,732	57,420	+109.0%	Shares	Sole	2022-08-11
2021-09-30	$493,599	27,468	+161.7%	Shares	Sole	2021-11-12
2021-06-30	$226,923	10,496	-21.3%	Shares	Sole	2021-08-10
2020-12-31	$214,245	13,332	+267.3%	Shares	Sole	2021-02-10
2020-06-30	$63,198	3,630	—	Shares	Sole	2020-08-13
No filing history on record for this holder in this stock.