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SIMPLEX TRADING, LLC

Position in NEU — Newmarket Corp

CIK 1488542 CHICAGO, IL

Position in NEU

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$249,240
-$718,422 QoQ
Shares Held
315
-77.6% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#285
of 423 holders
Holding Since
Mar 2020
11 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in NEU Over Time

Shares Held

Position Value (USD)

Position in Specialty Chemicals

Basic Materials · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $6,010,293 across 26 Specialty Chemicals names. NEU ranks #8 (4.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 NEU
Newmarket Corp
This page
315 $249,240

All Filings in NEU

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11 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $249,240 315
2025-12-31 $967,662 1,408
2025-09-30 $5,515,878 6,660
2025-06-30 $3,103,343 4,492
2025-03-31 $6 12
2024-06-30 $40,730 79
2023-09-30 $5,460 12
2023-03-31 $14,964 41
2021-12-31 $160,050 467
2020-09-30 $168,763 493
2020-03-31 $1,966,420 5,136