SIMPLEX TRADING, LLC

Position in DK — Delek US Holdings, Inc.

CIK 1488542 CHICAGO, IL

Position in DK

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$133,985

+$32,037 QoQ

Shares Held

2,637

+16.6% QoQ

Ownership

0.004%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#225

of 299 holders

Holding Since

Mar 2020

15 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Energy · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $3,581,663 across 7 Oil & Gas Refining & Marketing names. DK ranks #5 (3.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	IEP	Icahn Enterprises L.P.	252,509	$1,820,589
2	DINO	HF Sinclair Corp	11,267	$784,746
3	CVI	Cvr Energy Inc	15,159	$417,478
4	PBF	PBF Energy Inc.	6,255	$284,727
5	DK	Delek US Holdings, Inc. This page	2,637	$133,985
6	PSX	Phillips 66	737	$124,589
7	SGU	Star Group, L.P.	1,211	$15,549

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$133,985	2,637	+16.6%	Shares	Sole	2026-08-12
2026-03-31	$101,948	2,262	-87.5%	Shares	Sole	2026-05-14
2025-12-31	$536,252	18,080	+89.4%	Shares	Sole	2026-02-11
2025-09-30	$308,113	9,548	-21.5%	Shares	Sole	2025-11-12
2025-06-30	$257,739	12,169	-62.1%	Shares	Sole	2025-08-05
2025-03-31	$483,385	32,076	+28.7%	Shares	Sole	2025-05-12
2024-12-31	$461,186	24,929	+118.5%	Shares	Sole	2025-02-11
2022-03-31	$242,056	11,407	+182.0%	Shares	Sole	2022-05-02
2021-09-30	$72,688	4,045	0.0%	Shares	Sole	2021-10-28
2021-06-30	$87,452	4,045	+92.3%	Shares	Sole	2021-08-12
2021-03-31	$45,803	2,103	-83.6%	Shares	Sole	2021-04-26
2020-12-31	$205,872	12,811	+76.5%	Shares	Sole	2021-02-02
2020-09-30	$80,792	7,259	+486.3%	Shares	Sole	2020-10-14
2020-06-30	$21,553	1,238	-96.9%	Shares	Sole	2020-07-13
2020-03-31	$638,989	40,545	—	Shares	Sole	2020-04-29
No filing history on record for this holder in this stock.