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GROUP ONE TRADING LLC

Position in DK — Delek US Holdings, Inc.

CIK 932540 CHICAGO, IL

Position in DK

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$2,319,070
-$599,708 QoQ
Shares Held
45,642
-29.5% QoQ
Ownership
0.075%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#107
of 300 holders
Holding Since
Jun 2020
12 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in DK Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Refining & Marketing

Energy · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $6,961,943 across 6 Oil & Gas Refining & Marketing names. DK ranks #2 (33.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 DK
Delek US Holdings, Inc.
This page
45,642 $2,319,070

All Filings in DK

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12 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,319,070 45,642
2026-03-31 $2,918,778 64,761
2025-12-31 $587,772 19,817
2025-09-30 $3,741,061 115,930
2025-06-30 $1,760,163 83,105
2025-03-31 $2,848 189
2024-12-31 $56,425 3,050
2022-06-30 $1,483,732 57,420
2021-09-30 $493,599 27,468
2021-06-30 $226,923 10,496
2020-12-31 $214,245 13,332
2020-06-30 $63,198 3,630