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Round Rock Advisors LLC

Position in NEU — Newmarket Corp

CIK 1846991 WILTON, CT

Position in NEU

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$471,579
+$124,185 QoQ
Shares Held
596
+10.0% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
#227
of 421 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority Sole 98% Shared 0% None 2%

Common Shares in NEU Over Time

Shares Held

Position Value (USD)

Position in Specialty Chemicals

Basic Materials · as of Jun 30, 2026

Round Rock Advisors LLC holds $3,778,579 across 3 Specialty Chemicals names. NEU ranks #2 (12.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 NEU
Newmarket Corp
This page
596 $471,579

All Filings in NEU

Export CSV
4 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $471,579 596
2026-03-31 $347,394 542
2025-12-31 $310,641 452
2025-09-30 $506,864 612