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GROUP ONE TRADING LLC

Position in SSTI — Soundthinking, Inc.

CIK 932540 CHICAGO, IL

Position in SSTI

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$662
-$935 QoQ
Shares Held
100
-49.7% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2025
5 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SSTI Over Time

Shares Held

Position Value (USD)

Position in Software - Application

Technology · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $58,502,346 across 72 Software - Application names. SSTI ranks #69 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SSTI

Export CSV
5 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $662 100
2025-12-31 $1,597 199
2025-09-30 $24,107 1,999
2025-06-30 $42,428 3,250
2025-03-31 $8,475 500