Simplex Trading, Llc

Business address
230 S. Lasalle Street, Suite 08 500, Chicago, IL, 60604
Top securities (13F)
NVDA, AAPL, MSFT, IWM, UNH, SPY, AMZN, IBIT, INTC, AVGO, BKNG, XLV, IREN, GOOGL, PDD, TSLA, SOFI, MU, CI, and NKE
State of incorporation
DE
Fiscal year end
31 December
Former names
SET TRADING PARTNERS, LLC (to 28 Feb 2014), MULTIPLEX TRADING LLC (to 29 Feb 2012)
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Simplex Trading, Llc has filed 70 SEC EDGAR filings since 01 Mar 2011

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
13F-HR Open Document Open Filing 12 Nov 2025 30 Sep 2025 028-16834
13F-HR Open Document Open Filing 05 Aug 2025 30 Jun 2025 028-16834
13F-HR Open Document Open Filing 12 May 2025 31 Mar 2025 028-16834
X-17A-5 Open Document Open Filing 03 Mar 2025 31 Dec 2024 008-68556
13F-HR Open Document Open Filing 11 Feb 2025 31 Dec 2024 028-16834
13F-HR Open Document Open Filing 08 Nov 2024 30 Sep 2024 028-16834
13F-HR Open Document Open Filing 25 Jul 2024 30 Jun 2024 028-16834
13F-HR Open Document Open Filing 25 Apr 2024 31 Mar 2024 028-16834
FOCUSN Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT 04 Mar 2024 31 Dec 2023 008-68556
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT 04 Mar 2024 31 Dec 2023 008-68556
13F-HR Open Document Open Filing 02 Feb 2024 31 Dec 2023 028-16834
13F-HR Open Document Open Filing 01 Nov 2023 30 Sep 2023 028-16834
13F-HR Open Document Open Filing 04 Aug 2023 30 Jun 2023 028-16834
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT 11 Jul 2023 31 Dec 2022 008-68556
13F-HR Open Document Open Filing 27 Apr 2023 31 Mar 2023 028-16834
13F-HR Open Document Open Filing 02 Feb 2023 31 Dec 2022 028-16834
13F-HR Open Document Open Filing 04 Nov 2022 30 Sep 2022 028-16834
13F-HR Open Document Open Filing 03 Aug 2022 30 Jun 2022 028-16834
13F-HR Open Document Open Filing 02 May 2022 31 Mar 2022 028-16834
FOCUSN Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT 04 Mar 2022 31 Dec 2021 008-68556
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT 04 Mar 2022 31 Dec 2021 008-68556
13F-HR/A Open Document Open Filing 23 Feb 2022 31 Dec 2021 028-16834
13F-HR Open Document Open Filing 04 Feb 2022 31 Dec 2021 028-16834
13F-HR Open Document Open Filing 28 Oct 2021 30 Sep 2021 028-16834
13F-HR Open Document Open Filing 12 Aug 2021 30 Jun 2021 028-16834
FOCUSN Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT 10 May 2021 31 Dec 2020 008-68556
13F-HR Open Document Open Filing 26 Apr 2021 31 Mar 2021 028-16834
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT 01 Mar 2021 31 Dec 2020 008-68556
13F-HR Open Document Open Filing 02 Feb 2021 31 Dec 2020 028-16834
13F-HR Open Document Open Filing 14 Oct 2020 30 Sep 2020 028-16834
13F-HR Open Document Open Filing 13 Jul 2020 30 Jun 2020 028-16834
13F-HR Open Document Open Filing 29 Apr 2020 31 Mar 2020 028-16834
FOCUSN Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT 02 Mar 2020 31 Dec 2019 008-68556
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT 02 Mar 2020 31 Dec 2019 008-68556
13F-HR Open Document Open Filing 05 Feb 2020 31 Dec 2019 028-16834
13F-HR Open Document Open Filing 15 Oct 2019 30 Sep 2019 028-16834
13F-HR Open Document Open Filing 26 Jul 2019 30 Jun 2019 028-16834
13F-HR Open Document Open Filing 18 Apr 2019 31 Mar 2019 028-16834
FOCUSN Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT 01 Mar 2019 31 Dec 2018 008-68556
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT 01 Mar 2019 31 Dec 2018 008-68556
13F-HR Open Document Open Filing 16 Jan 2019 31 Dec 2018 028-16834
13F-HR Open Document Open Filing 23 Oct 2018 30 Sep 2018 028-16834
13F-HR Open Document Open Filing 30 Jul 2018 30 Jun 2018 028-16834
13F-HR Open Document Open Filing 26 Apr 2018 31 Mar 2018 028-16834
X-17A-5 Open Document Open Filing 01 Mar 2018 31 Dec 2017 008-68556
13F-HR Open Document Open Filing 10 Jan 2018 31 Dec 2017 028-16834
13F-HR Open Document Open Filing 25 Oct 2017 30 Sep 2017 028-16834
13F-HR Open Document Open Filing 12 Jul 2017 30 Jun 2017 028-16834
13F-HR Open Document Open Filing 21 Apr 2017 31 Mar 2017 028-16834
X-17A-5 Open Document Open Filing 28 Feb 2017 31 Dec 2016 008-68556
13F-HR Open Document Open Filing 11 Jan 2017 31 Dec 2016 028-16834
13F-HR Open Document Open Filing 07 Oct 2016 30 Sep 2016 028-16834
13F-HR Open Document Open Filing 18 Jul 2016 30 Jun 2016 028-16834
13F-HR Open Document Open Filing 14 Apr 2016 31 Mar 2016 028-16834
X-17A-5 Open Document Open Filing 24 Feb 2016 31 Dec 2015 008-68556
13F-HR Open Document Open Filing 20 Jan 2016 31 Dec 2015 028-16834
13F-HR Open Document Open Filing 08 Oct 2015 30 Sep 2015 028-16834
13F-HR Open Document Open Filing 08 Jul 2015 30 Jun 2015 028-16834
13F-HR Open Document Open Filing 21 Apr 2015 31 Mar 2015 028-16834
13F-HR Open Document Open Filing 04 Mar 2015 31 Dec 2014 028-16834
FOCUSN Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT 26 Feb 2015 31 Dec 2014 008-68556
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT 26 Feb 2015 31 Dec 2014 008-68556
FOCUSN Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT 28 Feb 2014 31 Dec 2013 008-68556
X-17A-5 Open Document Open Filing AUTO-GENERATED PAPER DOCUMENT 28 Feb 2014 31 Dec 2013 008-68556