Significant Ownership of GROUP ONE TRADING LLC

Signature - Title
Kyle Tondo-Kramer - Chief Compliance Officer
Location
Chicago, IL
Summary
This page shows a list of all the recent SCHEDULE 13D/G filings made by GROUP ONE TRADING LLC.

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Significant Ownership of GROUP ONE TRADING LLC

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
RILY B. Riley Financial, Inc. Common Stock, par value $0.0001 par value 2.8% $2,532,801 -$2,700,618 852,795 -52% GROUP ONE TRADING LLC 31 Mar 2025

Schedules 13D/G Reported by GROUP ONE TRADING LLC:

Sym Target Class Ownership Change Current Shares Change Value Reporting name Form Report Period Filing Date
* An asterisk sign (*) next to the price indicates that the price is likely invalid.