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GROUP ONE TRADING LLC

Position in GEOS — Geospace Technologies Corp

CIK 932540 CHICAGO, IL

Position in GEOS

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$31,415
+$12,531 QoQ
Shares Held
2,575
+158.5% QoQ
Ownership
0.020%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2024
6 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in GEOS Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Equipment & Services

Energy · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $26,225,589 across 22 Oil & Gas Equipment & Services names. GEOS ranks #16 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in GEOS

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6 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $31,415 2,575
2025-09-30 $18,884 996
2025-06-30 $15,857 1,112
2024-09-30 $13,659 1,321
2024-06-30 $11,862 1,321
2024-03-31 $54,355 4,121