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Round Rock Advisors LLC

Position in ARQ — Arq, Inc.

CIK 1846991 WILTON, CT

Position in ARQ

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$966,396
+$478,184 QoQ
Shares Held
378,979
+98.7% QoQ
Ownership
0.868%
of shares outstanding
% of Portfolio
0.26%
of 13F equity value
Holder Rank
#13
of 99 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ARQ Over Time

Shares Held

Position Value (USD)

Position in Pollution & Treatment Controls

Industrials · as of Jun 30, 2026

Round Rock Advisors LLC holds $1,484,387 across 3 Pollution & Treatment Controls names. ARQ ranks #1 (65.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ARQ
Arq, Inc.
This page
378,979 $966,396

All Filings in ARQ

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $966,396 378,979
2026-03-31 $488,212 190,708