Group One Trading Llc

Business address
425 S Financial Place, Suite 3400, Chicago, IL, 60605
State of incorporation
DE
Fiscal year end
September 30
Former names
GROUP ONE TRADING, L.P. (to 8/14/2024), GROUP ONE TRADING L P (to 11/29/2002)
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Group One Trading Llc has filed 141 SEC EDGAR filings since 11/29/2002

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
X-17A-5 Open Document Open Filing Nov 21, 2025 Sep 30, 2025 008-47762
13F-HR Open Document Open Filing Nov 12, 2025 Sep 30, 2025 028-14920
N-PX Open Document Open Filing Aug 14, 2025 Jun 30, 2025 028-14920
13F-HR Open Document Open Filing Aug 14, 2025 Jun 30, 2025 028-14920
SCHEDULE 13G Open Document Open Filing May 14, 2025
13F-HR/A Open Document Open Filing May 14, 2025 Dec 31, 2024 028-14920
13F-HR Open Document Open Filing May 14, 2025 Mar 31, 2025 028-14920
13F-HR Open Document Open Filing Feb 14, 2025 Dec 31, 2024 028-14920
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 27, 2024 Sep 30, 2024 008-47762
FOCUSN Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 27, 2024 Sep 30, 2024 008-47762
SCHEDULE 13G Open Document Open Filing Nov 14, 2024
13F-HR Open Document Open Filing Nov 14, 2024 Sep 30, 2024 028-14920
N-PX Open Document Open Filing Aug 14, 2024 Jun 30, 2024 028-14920
13F-HR Open Document Open Filing Aug 14, 2024 Jun 30, 2024 028-14920
13F-HR Open Document Open Filing May 10, 2024 Mar 31, 2024 028-14920
13F-HR Open Document Open Filing Feb 14, 2024 Dec 31, 2023 028-14920
FOCUSN Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 27, 2023 Sep 30, 2023 008-47762
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 27, 2023 Sep 30, 2023 008-47762
13F-HR Open Document Open Filing Nov 9, 2023 Sep 30, 2023 028-14920
13F-HR Open Document Open Filing Aug 9, 2023 Jun 30, 2023 028-14920
SC 13G/A Open Document Open Filing 13G AMENDMENT May 12, 2023
13F-HR Open Document Open Filing May 12, 2023 Mar 31, 2023 028-14920
SC 13G/A Open Document Open Filing AMENDMENT 1 Mar 6, 2023
SC 13G Open Document Open Filing Feb 13, 2023
SC 13G/A Open Document Open Filing Feb 10, 2023
13F-HR Open Document Open Filing Feb 9, 2023 Dec 31, 2022 028-14920
SC 13G Open Document Open Filing 13G Jan 10, 2023
FOCUSN Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 28, 2022 Sep 30, 2022 008-47762
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 28, 2022 Sep 30, 2022 008-47762
13F-HR Open Document Open Filing Nov 9, 2022 Sep 30, 2022 028-14920
13F-HR Open Document Open Filing Aug 11, 2022 Jun 30, 2022 028-14920
SC 13G Open Document Open Filing SGBX Jun 3, 2022
13F-HR Open Document Open Filing May 12, 2022 Mar 31, 2022 028-14920
13F-HR Open Document Open Filing Feb 11, 2022 Dec 31, 2021 028-14920
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 29, 2021 Sep 30, 2021 008-47762
FOCUSN Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 29, 2021 Sep 30, 2021 008-47762
13F-HR Open Document Open Filing Nov 12, 2021 Sep 30, 2021 028-14920
13F-HR Open Document Open Filing Aug 10, 2021 Jun 30, 2021 028-14920
13F-HR Open Document Open Filing May 12, 2021 Mar 31, 2021 028-14920
13F-HR Open Document Open Filing Feb 10, 2021 Dec 31, 2020 028-14920
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 30, 2020 Sep 30, 2020 008-47762
13F-HR Open Document Open Filing Nov 12, 2020 Sep 30, 2020 028-14920
13F-HR Open Document Open Filing Aug 13, 2020 Jun 30, 2020 028-14920
13F-HR Open Document Open Filing May 13, 2020 Mar 31, 2020 028-14920
13F-HR Open Document Open Filing Feb 10, 2020 Dec 31, 2019 028-14920
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 27, 2019 Sep 30, 2019 008-47762
FOCUSN Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 27, 2019 Sep 30, 2019 008-47762
13F-HR Open Document Open Filing Nov 12, 2019 Sep 30, 2019 028-14920
13F-HR Open Document Open Filing Aug 9, 2019 Jun 30, 2019 028-14920
13F-HR/A Open Document Open Filing May 14, 2019 Mar 31, 2019 028-14920
13F-HR Open Document Open Filing May 13, 2019 Mar 31, 2019 028-14920
13F-HR Open Document Open Filing Feb 6, 2019 Dec 31, 2018 028-14920
SC 13G Open Document Open Filing Jan 31, 2019
FOCUSN Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 28, 2018 Sep 30, 2018 008-47762
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 28, 2018 Sep 30, 2018 008-47762
13F-HR Open Document Open Filing Nov 8, 2018 Sep 30, 2018 028-14920
13F-HR Open Document Open Filing Aug 14, 2018 Jun 30, 2018 028-14920
13F-HR/A Open Document Open Filing May 17, 2018 Mar 31, 2018 028-14920
13F-HR Open Document Open Filing May 11, 2018 Mar 31, 2018 028-14920
13F-HR Open Document Open Filing Feb 9, 2018 Dec 31, 2017 028-14920
FOCUSN Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 24, 2017 Sep 30, 2017 008-47762
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 24, 2017 Sep 30, 2017 008-47762
13F-HR Open Document Open Filing Nov 15, 2017 Sep 30, 2017 028-14920
13F-HR Open Document Open Filing Aug 14, 2017 Jun 30, 2017 028-14920
13F-HR Open Document Open Filing May 10, 2017 Mar 31, 2017 028-14920
13F-HR Open Document Open Filing Feb 15, 2017 Dec 31, 2016 028-14920
FOCUSN Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 28, 2016 Sep 30, 2016 008-47762
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 28, 2016 Sep 30, 2016 008-47762
13F-HR Open Document Open Filing Nov 14, 2016 Sep 30, 2016 028-14920
13F-HR Open Document Open Filing Aug 12, 2016 Jun 30, 2016 028-14920
13F-HR Open Document Open Filing May 12, 2016 Mar 31, 2016 028-14920
13F-HR Open Document Open Filing Feb 11, 2016 Dec 31, 2015 028-14920
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 27, 2015 Sep 30, 2015 008-47762
FOCUSN Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 27, 2015 Sep 30, 2015 008-47762
13F-HR/A Open Document Open Filing Nov 20, 2015 Sep 30, 2015 028-14920
13F-HR Open Document Open Filing Nov 6, 2015 Sep 30, 2015 028-14920
13F-HR Open Document Open Filing Aug 11, 2015 Jun 30, 2015 028-14920
13F-HR Open Document Open Filing May 14, 2015 Mar 31, 2015 028-14920
13F-HR Open Document Open Filing Feb 11, 2015 Dec 31, 2014 028-14920
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Dec 1, 2014 Sep 30, 2014 008-47762
FOCUSN Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT Nov 28, 2014 Sep 30, 2014 008-47762
13F-HR Open Document Open Filing Oct 31, 2014 Sep 30, 2014 028-14920
13F-HR Open Document Open Filing Aug 12, 2014 Jun 30, 2014 028-14920
13F-HR Open Document Open Filing May 7, 2014 Mar 31, 2014 028-14920
13F-HR Open Document Open Filing Jan 31, 2014 Dec 31, 2013 028-14920