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SIMPLEX TRADING, LLC

Position in GHM — Graham Corp

CIK 1488542 CHICAGO, IL

Position in GHM

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$1,302,765
+$1,302,756 QoQ
Shares Held
10,524
+4619.3% QoQ
Ownership
0.090%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#94
of 221 holders
Holding Since
Mar 2020
10 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in GHM Over Time

Shares Held

Position Value (USD)

Position in Specialty Industrial Machinery

Industrials · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $43,240,004 across 33 Specialty Industrial Machinery names. GHM ranks #6 (3.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 GHM
Graham Corp
This page
10,524 $1,302,765

All Filings in GHM

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10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,302,765 10,524
2024-12-31 $9 223
2022-12-31 $3,145 327
2022-09-30 $12,429 1,414
2022-06-30 $3,501 506
2022-03-31 $8,481 1,100
2021-12-31 $410 33
2021-03-31 $36,668 2,575
2020-12-31 $16,682 1,099
2020-03-31 $2,167 168