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SIMPLEX TRADING, LLC

Position in MNTK — Montauk Renewables, Inc.

CIK 1488542 CHICAGO, IL

Position in MNTK

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$1,347
-$4,305 QoQ
Shares Held
864
-82.4% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#73
of 91 holders
Holding Since
Mar 2024
7 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MNTK 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. MNTK ranks #24 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MNTK

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7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,347 864
2026-03-31 $5,652 4,915
2025-09-30 $1 930
2025-06-30 $253 114
2025-03-31 $11,783 5,638
2024-12-31 $473 119
2024-03-31 $27,127 6,521