GROUP ONE TRADING LLC SEC EDGAR Filings (CIK 0000932540)

SEC EDGAR filings, ownership reports, and insider transactions for GROUP ONE TRADING LLC.

Business address
425 S Financial Place, Suite 3400, Chicago, IL, 60605
Top securities (13F)
IREN, HOOD, BMNR, TIGR, URA, NN, WYNN, FUTU, CIFR, NBIS, GRAB, WBD, TEM, DASH, MAR, CNC, C, ASTS, AG, and MSTR
Top holdings (Schedule 13G)
RILY
State of incorporation
DE
Fiscal year end
30 September
Former names
GROUP ONE TRADING, L.P. (to 14 Aug 2024), GROUP ONE TRADING L P (to 29 Nov 2002)
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GROUP ONE TRADING LLC has filed 141 SEC EDGAR filings since 29 Nov 2002

Latest Filings

Recent SEC filings for GROUP ONE TRADING LLC including X-17A-5, 13F-HR, N-PX and more.

Form type Document Filing Description Filing date Reporting date File number(s)
X-17A-5 Open X-17A-5 document View SEC filing for X-17A-5 21 Nov 2025 30 Sep 2025 008-47762
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Nov 2025 30 Sep 2025 028-14920
N-PX Open N-PX document View SEC filing for N-PX 14 Aug 2025 30 Jun 2025 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2025 30 Jun 2025 028-14920
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 14 May 2025
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A 14 May 2025 31 Dec 2024 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 May 2025 31 Mar 2025 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2025 31 Dec 2024 028-14920
X-17A-5 Open X-17A-5 document View SEC filing for X-17A-5 AUTO-GENERATED PAPER DOCUMENT 27 Nov 2024 30 Sep 2024 008-47762
FOCUSN Open FOCUSN document View SEC filing for FOCUSN AUTO-GENERATED PAPER DOCUMENT 27 Nov 2024 30 Sep 2024 008-47762
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 14 Nov 2024
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2024 30 Sep 2024 028-14920
N-PX Open N-PX document View SEC filing for N-PX 14 Aug 2024 30 Jun 2024 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2024 30 Jun 2024 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 10 May 2024 31 Mar 2024 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2024 31 Dec 2023 028-14920
FOCUSN Open FOCUSN document View SEC filing for FOCUSN AUTO-GENERATED PAPER DOCUMENT 27 Nov 2023 30 Sep 2023 008-47762
X-17A-5 Open X-17A-5 document View SEC filing for X-17A-5 AUTO-GENERATED PAPER DOCUMENT 27 Nov 2023 30 Sep 2023 008-47762
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 Nov 2023 30 Sep 2023 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 Aug 2023 30 Jun 2023 028-14920
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13G AMENDMENT 12 May 2023
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 May 2023 31 Mar 2023 028-14920
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT 1 06 Mar 2023
SC 13G Open SC 13G document View SEC filing for SC 13G 13 Feb 2023
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Feb 2023
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 Feb 2023 31 Dec 2022 028-14920
SC 13G Open SC 13G document View SEC filing for SC 13G 13G 10 Jan 2023
FOCUSN Open FOCUSN document View SEC filing for FOCUSN AUTO-GENERATED PAPER DOCUMENT 28 Nov 2022 30 Sep 2022 008-47762
X-17A-5 Open X-17A-5 document View SEC filing for X-17A-5 AUTO-GENERATED PAPER DOCUMENT 28 Nov 2022 30 Sep 2022 008-47762
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 Nov 2022 30 Sep 2022 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Aug 2022 30 Jun 2022 028-14920
SC 13G Open SC 13G document View SEC filing for SC 13G SGBX 03 Jun 2022
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 May 2022 31 Mar 2022 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Feb 2022 31 Dec 2021 028-14920
X-17A-5 Open X-17A-5 document View SEC filing for X-17A-5 AUTO-GENERATED PAPER DOCUMENT 29 Nov 2021 30 Sep 2021 008-47762
FOCUSN Open FOCUSN document View SEC filing for FOCUSN AUTO-GENERATED PAPER DOCUMENT 29 Nov 2021 30 Sep 2021 008-47762
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Nov 2021 30 Sep 2021 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 10 Aug 2021 30 Jun 2021 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 May 2021 31 Mar 2021 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 10 Feb 2021 31 Dec 2020 028-14920
X-17A-5 Open X-17A-5 document View SEC filing for X-17A-5 AUTO-GENERATED PAPER DOCUMENT 30 Nov 2020 30 Sep 2020 008-47762
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Nov 2020 30 Sep 2020 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Aug 2020 30 Jun 2020 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 May 2020 31 Mar 2020 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 10 Feb 2020 31 Dec 2019 028-14920
X-17A-5 Open X-17A-5 document View SEC filing for X-17A-5 AUTO-GENERATED PAPER DOCUMENT 27 Nov 2019 30 Sep 2019 008-47762
FOCUSN Open FOCUSN document View SEC filing for FOCUSN AUTO-GENERATED PAPER DOCUMENT 27 Nov 2019 30 Sep 2019 008-47762
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Nov 2019 30 Sep 2019 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 Aug 2019 30 Jun 2019 028-14920
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A 14 May 2019 31 Mar 2019 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 May 2019 31 Mar 2019 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 06 Feb 2019 31 Dec 2018 028-14920
SC 13G Open SC 13G document View SEC filing for SC 13G 31 Jan 2019
FOCUSN Open FOCUSN document View SEC filing for FOCUSN AUTO-GENERATED PAPER DOCUMENT 28 Nov 2018 30 Sep 2018 008-47762
X-17A-5 Open X-17A-5 document View SEC filing for X-17A-5 AUTO-GENERATED PAPER DOCUMENT 28 Nov 2018 30 Sep 2018 008-47762
13F-HR Open 13F-HR document View SEC filing for 13F-HR 08 Nov 2018 30 Sep 2018 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2018 30 Jun 2018 028-14920
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A 17 May 2018 31 Mar 2018 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 May 2018 31 Mar 2018 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 Feb 2018 31 Dec 2017 028-14920
FOCUSN Open FOCUSN document View SEC filing for FOCUSN AUTO-GENERATED PAPER DOCUMENT 24 Nov 2017 30 Sep 2017 008-47762
X-17A-5 Open X-17A-5 document View SEC filing for X-17A-5 AUTO-GENERATED PAPER DOCUMENT 24 Nov 2017 30 Sep 2017 008-47762
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Nov 2017 30 Sep 2017 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2017 30 Jun 2017 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 10 May 2017 31 Mar 2017 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Feb 2017 31 Dec 2016 028-14920
FOCUSN Open FOCUSN document View SEC filing for FOCUSN AUTO-GENERATED PAPER DOCUMENT 28 Nov 2016 30 Sep 2016 008-47762
X-17A-5 Open X-17A-5 document View SEC filing for X-17A-5 AUTO-GENERATED PAPER DOCUMENT 28 Nov 2016 30 Sep 2016 008-47762
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2016 30 Sep 2016 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Aug 2016 30 Jun 2016 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 May 2016 31 Mar 2016 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Feb 2016 31 Dec 2015 028-14920
X-17A-5 Open X-17A-5 document View SEC filing for X-17A-5 AUTO-GENERATED PAPER DOCUMENT 27 Nov 2015 30 Sep 2015 008-47762
FOCUSN Open FOCUSN document View SEC filing for FOCUSN AUTO-GENERATED PAPER DOCUMENT 27 Nov 2015 30 Sep 2015 008-47762
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A 20 Nov 2015 30 Sep 2015 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 06 Nov 2015 30 Sep 2015 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Aug 2015 30 Jun 2015 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 May 2015 31 Mar 2015 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Feb 2015 31 Dec 2014 028-14920
X-17A-5 Open X-17A-5 document View SEC filing for X-17A-5 AUTO-GENERATED PAPER DOCUMENT 01 Dec 2014 30 Sep 2014 008-47762
FOCUSN Open FOCUSN document View SEC filing for FOCUSN AUTO-GENERATED PAPER DOCUMENT 28 Nov 2014 30 Sep 2014 008-47762
13F-HR Open 13F-HR document View SEC filing for 13F-HR 31 Oct 2014 30 Sep 2014 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Aug 2014 30 Jun 2014 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 07 May 2014 31 Mar 2014 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 31 Jan 2014 31 Dec 2013 028-14920
FOCUSN Open FOCUSN document View SEC filing for FOCUSN AUTO-GENERATED PAPER DOCUMENT 29 Nov 2013 30 Sep 2013 008-47762
X-17A-5 Open X-17A-5 document View SEC filing for X-17A-5 AUTO-GENERATED PAPER DOCUMENT 29 Nov 2013 30 Sep 2013 008-47762
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Nov 2013 30 Sep 2013 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR 02 Aug 2013 30 Jun 2013 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2013.Q1 07 May 2013 31 Mar 2013 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2012.Q4 07 Feb 2013 31 Dec 2012 028-14920
FOCUSN Open FOCUSN document View SEC filing for FOCUSN AUTO-GENERATED PAPER DOCUMENT 29 Nov 2012 30 Sep 2012 008-47762
X-17A-5 Open X-17A-5 document View SEC filing for X-17A-5 AUTO-GENERATED PAPER DOCUMENT 29 Nov 2012 30 Sep 2012 008-47762
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2012.Q3 14 Nov 2012 30 Sep 2012 028-14920
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A GROUP ONE TRADING LP 13F 2012.Q2 AMENDMENT 14 Nov 2012 30 Jun 2012 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2012.Q2 14 Aug 2012 30 Jun 2012 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2012.Q1 14 May 2012 31 Mar 2012 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2008.Q1 14 May 2012 31 Mar 2008 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2008.Q2 14 May 2012 30 Jun 2008 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2008.Q3 14 May 2012 30 Sep 2008 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2008.Q4 14 May 2012 31 Dec 2008 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2009.Q1 14 May 2012 31 Mar 2009 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2009.Q2 14 May 2012 30 Jun 2009 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2009.Q3 14 May 2012 30 Sep 2009 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2009.Q4 14 May 2012 31 Dec 2009 028-14920
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A GROUP ONE TRADING LP 13F 2010.Q1 AMENDMENT 14 May 2012 31 Mar 2010 028-14920
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A GROUP ONE TRADING LP 13F 2010.Q2 AMENDMENT NO.1 14 May 2012 30 Jun 2010 028-14920
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A GROUP ONE TRADING LP 13F 2010.Q3 AMENDMENT NO.1 14 May 2012 30 Sep 2010 028-14920
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A GROUP ONE TRADING LP 13F 2010.Q4 AMENDMENT NO.1 14 May 2012 31 Dec 2010 028-14920
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A GROUP ONE TRADING LP 13F 2011.Q1 AMENDMENT NO.1 14 May 2012 31 Mar 2011 028-14920
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A GROUP ONE TRADING LP 13F 2011.Q2 AMENDMENT NO.1 14 May 2012 30 Jun 2011 028-14920
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A GROUP ONE TRADING LP 13F 2011.Q3 AMENDMENT NO.1 14 May 2012 30 Sep 2011 028-14920
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A GROUP ONE TRADING LP 13F 2011.Q4 AMENDMENT NO.2 14 May 2012 31 Dec 2011 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2010.Q1 24 Apr 2012 31 Mar 2010 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2010.Q2 24 Apr 2012 30 Jun 2010 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2010.Q3 24 Apr 2012 30 Sep 2010 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2010.Q4 24 Apr 2012 31 Dec 2010 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2011.Q1 23 Apr 2012 31 Mar 2011 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2011.Q2 23 Apr 2012 30 Jun 2011 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2011.Q3 12 Apr 2012 30 Sep 2011 028-14920
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A GROUP ONE TRADING LP 13F 2011.Q4 AMENDMENT 13 Mar 2012 31 Dec 2011 028-14920
13F-HR Open 13F-HR document View SEC filing for 13F-HR GROUP ONE TRADING LP 13F-2011.Q4 08 Mar 2012 31 Dec 2011 028-14920
FOCUSN Open FOCUSN document View SEC filing for FOCUSN AUTO-GENERATED PAPER DOCUMENT 29 Nov 2011 30 Sep 2011 008-47762
X-17A-5 Open X-17A-5 document View SEC filing for X-17A-5 AUTO-GENERATED PAPER DOCUMENT 29 Nov 2011 30 Sep 2011 008-47762
FOCUSN/A Open FOCUSN/A document View SEC filing for FOCUSN/A AUTO-GENERATED PAPER DOCUMENT 29 Nov 2010 30 Sep 2010 008-47762
FOCUSN Open FOCUSN document View SEC filing for FOCUSN AUTO-GENERATED PAPER DOCUMENT 29 Nov 2010 30 Sep 2010 008-47762
X-17A-5 Open X-17A-5 document View SEC filing for X-17A-5 AUTO-GENERATED PAPER DOCUMENT 29 Nov 2010 30 Sep 2010 008-47762

About this filer

GROUP ONE TRADING LLC files with the SEC under CIK 0000932540. This page aggregates EDGAR filings and related ownership activity.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
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Updates follow new EDGAR submissions and periodic data refreshes.

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