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SIMPLEX TRADING, LLC

Position in LYB — LyondellBasell Industries N.V.

CIK 1488542 CHICAGO, IL

Position in LYB

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$3,096,162
+$1,959,503 QoQ
Shares Held
38,433
+95.6% QoQ
Ownership
0.012%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
12 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in LYB Over Time

Shares Held

Position Value (USD)

Position in Specialty Chemicals

Basic Materials · as of Mar 31, 2026

SIMPLEX TRADING, LLC holds $12,013,645 across 27 Specialty Chemicals names. LYB ranks #1 (25.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 LYB
LyondellBasell Industries N.V.
This page
38,433 $3,096,162

All Filings in LYB

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12 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $3,096,162 38,433
2025-06-30 $1,136,659 19,645
2025-03-31 $1,914,950 27,201
2024-12-31 $93,654 1,261
2024-09-30 $1,584,172 16,519
2023-12-31 $4,141,589 43,559
2023-09-30 $29,641 313
2023-06-30 $1,950,101 21,236
2021-12-31 $1,647,965 17,868
2021-09-30 $744,136 7,929
2021-06-30 $805,369 7,829
2020-03-31 $137,971 2,780