CSS LLC/IL

Business address
1 North Wacker Drive, Suite 3075, Chicago, IL, 60606
Top holdings (ownership)
SWZ and VINE
Top securities (13F)
, , , , , , , , , , , , STRATEGY INC, STRATEGY INC, STRATEGY INC, , MARA HOLDINGS INC, VOO, RSP, and WEC ENERGY GROUP INC
State of incorporation
IL
Fiscal year end
31 December
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CSS LLC/IL has filed 157 SEC EDGAR filings since 20 Jan 2000

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
SCHEDULE 13G/A Open Document Open Filing 31 Dec 2025
4 Open Document Open Filing PRIMARY DOCUMENT 31 Dec 2025 29 Dec 2025 811-05128
4 Open Document Open Filing PRIMARY DOCUMENT 29 Dec 2025 22 Dec 2025 811-05128
SCHEDULE 13G/A Open Document Open Filing 19 Dec 2025
4 Open Document Open Filing PRIMARY DOCUMENT 17 Dec 2025 15 Dec 2025 811-05128
SCHEDULE 13G/A Open Document Open Filing 16 Dec 2025
3 Open Document Open Filing PRIMARY DOCUMENT 16 Dec 2025 12 Dec 2025 811-05128
SCHEDULE 13G Open Document Open Filing 03 Dec 2025
SCHEDULE 13G/A Open Document Open Filing 26 Nov 2025
13F-HR Open Document Open Filing 13 Nov 2025 30 Sep 2025 028-15940
SCHEDULE 13G/A Open Document Open Filing 06 Nov 2025
SCHEDULE 13G/A Open Document Open Filing 30 Oct 2025
SCHEDULE 13G/A Open Document Open Filing 21 Oct 2025
SCHEDULE 13G/A Open Document Open Filing 10 Oct 2025
SCHEDULE 13G Open Document Open Filing 28 Aug 2025
SCHEDULE 13G Open Document Open Filing 21 Aug 2025
SCHEDULE 13G/A Open Document Open Filing 19 Aug 2025
13F-HR Open Document Open Filing 14 Aug 2025 30 Jun 2025 028-15940
SCHEDULE 13G/A Open Document Open Filing 14 Aug 2025
N-PX Open Document Open Filing 04 Aug 2025 30 Jun 2025 028-15940
SCHEDULE 13G Open Document Open Filing 22 Jul 2025
SCHEDULE 13G Open Document Open Filing 03 Jul 2025
13F-HR Open Document Open Filing 15 May 2025 31 Mar 2025 028-15940
SCHEDULE 13G/A Open Document Open Filing 08 Apr 2025
N-PX Open Document Open Filing 27 Mar 2025 30 Jun 2024 028-15940
13F-HR Open Document Open Filing 18 Feb 2025 31 Dec 2024 028-15940
SCHEDULE 13G Open Document Open Filing 02 Jan 2025
13F-HR Open Document Open Filing 14 Nov 2024 30 Sep 2024 028-15940
SC 13G/A Open Document Open Filing CSS LLC/IL 23 Oct 2024
13F-HR Open Document Open Filing 14 Aug 2024 30 Jun 2024 028-15940
13F-HR Open Document Open Filing 15 May 2024 31 Mar 2024 028-15940
13F-HR Open Document Open Filing 14 Feb 2024 31 Dec 2023 028-15940
SC 13G/A Open Document Open Filing CSS LLC/IL 09 Feb 2024
SC 13G/A Open Document Open Filing CSS LLC/IL 09 Feb 2024
SC 13G Open Document Open Filing CSS LLC/IL 29 Dec 2023
13F-HR Open Document Open Filing 14 Nov 2023 30 Sep 2023 028-15940
SC 13G/A Open Document Open Filing CSS LLC/IL 18 Sep 2023
4 Open Document Open Filing PRIMARY DOCUMENT 18 Sep 2023 14 Sep 2023 001-41147
4 Open Document Open Filing PRIMARY DOCUMENT 08 Sep 2023 06 Sep 2023 001-41147
4 Open Document Open Filing PRIMARY DOCUMENT 01 Sep 2023 29 Aug 2023 001-41147
13F-HR Open Document Open Filing 14 Aug 2023 30 Jun 2023 028-15940
4 Open Document Open Filing PRIMARY DOCUMENT 14 Jul 2023 12 Jul 2023 001-41147
4 Open Document Open Filing PRIMARY DOCUMENT 05 Jul 2023 03 Jul 2023 001-41147
13F-HR Open Document Open Filing 15 May 2023 31 Mar 2023 028-15940
4 Open Document Open Filing PRIMARY DOCUMENT 10 May 2023 08 May 2023 001-41147
4 Open Document Open Filing PRIMARY DOCUMENT 08 May 2023 04 May 2023 001-41147
4 Open Document Open Filing PRIMARY DOCUMENT 21 Apr 2023 18 Apr 2023 001-41147
3 Open Document Open Filing PRIMARY DOCUMENT 29 Mar 2023 16 Mar 2023 001-41147
SC 13G Open Document Open Filing CSS LLC/IL 28 Mar 2023
13F-HR Open Document Open Filing 14 Feb 2023 31 Dec 2022 028-15940
SC 13G/A Open Document Open Filing CSS LLC/IL 03 Feb 2023
SC 13G Open Document Open Filing CSS LLC/IL 31 Jan 2023
13F-HR Open Document Open Filing 14 Nov 2022 30 Sep 2022 028-15940
SC 13G Open Document Open Filing CSS LLC/IL 31 Oct 2022
SC 13G/A Open Document Open Filing CSS LLC/IL 31 Oct 2022
SC 13G Open Document Open Filing CSS LLC/IL 09 Sep 2022
13F-HR Open Document Open Filing 15 Aug 2022 30 Jun 2022 028-15940
13F-HR Open Document Open Filing 16 May 2022 31 Mar 2022 028-15940
13F-HR Open Document Open Filing 14 Feb 2022 31 Dec 2021 028-15940
13F-HR Open Document Open Filing 15 Nov 2021 30 Sep 2021 028-15940
SC 13G Open Document Open Filing CSS LLC/IL 12 Nov 2021
13F-HR Open Document Open Filing 16 Aug 2021 30 Jun 2021 028-15940
SC 13G/A Open Document Open Filing CSS LLC/IL 10 Aug 2021
4 Open Document Open Filing PRIMARY DOCUMENT 10 Aug 2021 06 Aug 2021 811-22780
4 Open Document Open Filing PRIMARY DOCUMENT 02 Aug 2021 30 Jul 2021 811-22780
4 Open Document Open Filing PRIMARY DOCUMENT 30 Jul 2021 29 Jul 2021 811-22780
4 Open Document Open Filing PRIMARY DOCUMENT 29 Jul 2021 28 Jul 2021 811-22780
4 Open Document Open Filing PRIMARY DOCUMENT 28 Jul 2021 26 Jul 2021 811-22780
4 Open Document Open Filing PRIMARY DOCUMENT 26 Jul 2021 23 Jul 2021 811-22780
4 Open Document Open Filing PRIMARY DOCUMENT 23 Jul 2021 21 Jul 2021 811-22780
4 Open Document Open Filing PRIMARY DOCUMENT 21 Jul 2021 20 Jul 2021 811-22780
4 Open Document Open Filing PRIMARY DOCUMENT 20 Jul 2021 19 Jul 2021 811-22780
4 Open Document Open Filing PRIMARY DOCUMENT 19 Jul 2021 16 Jul 2021 811-22780
4 Open Document Open Filing PRIMARY DOCUMENT 16 Jul 2021 15 Jul 2021 811-22780
4 Open Document Open Filing PRIMARY DOCUMENT 15 Jul 2021 13 Jul 2021 811-22780
4 Open Document Open Filing PRIMARY DOCUMENT 13 Jul 2021 09 Jul 2021 811-22780
SC 13G/A Open Document Open Filing CSS LLC/IL 12 Jul 2021
4 Open Document Open Filing PRIMARY DOCUMENT 12 Jul 2021 08 Jul 2021 811-22780
3 Open Document Open Filing PRIMARY DOCUMENT 12 Jul 2021 08 Jul 2021 811-22780
SC 13G/A Open Document Open Filing CSS LLC/IL 28 Jun 2021
4 Open Document Open Filing PRIMARY DOCUMENT 28 Jun 2021 25 Jun 2021 811-22958
4 Open Document Open Filing PRIMARY DOCUMENT 22 Jun 2021 21 Jun 2021 811-22958
SC 13G/A Open Document Open Filing CSS LLC/IL 28 May 2021
4 Open Document Open Filing PRIMARY DOCUMENT 25 May 2021 24 May 2021 811-22958
4 Open Document Open Filing PRIMARY DOCUMENT 20 May 2021 19 May 2021 811-22958
4 Open Document Open Filing PRIMARY DOCUMENT 17 May 2021 14 May 2021 811-22958
13F-HR Open Document Open Filing 17 May 2021 31 Mar 2021 028-15940
4 Open Document Open Filing PRIMARY DOCUMENT 14 May 2021 13 May 2021 811-22958
4 Open Document Open Filing PRIMARY DOCUMENT 13 May 2021 12 May 2021 811-22958
4 Open Document Open Filing PRIMARY DOCUMENT 11 May 2021 10 May 2021 811-22958
SC 13G/A Open Document Open Filing CSS LLC/IL 29 Apr 2021
4 Open Document Open Filing PRIMARY DOCUMENT 29 Apr 2021 28 Apr 2021 811-22958
4 Open Document Open Filing PRIMARY DOCUMENT 28 Apr 2021 27 Apr 2021 811-22958
4 Open Document Open Filing PRIMARY DOCUMENT 27 Apr 2021 26 Apr 2021 811-22958
4 Open Document Open Filing PRIMARY DOCUMENT 26 Apr 2021 23 Apr 2021 811-22958
4 Open Document Open Filing PRIMARY DOCUMENT 22 Apr 2021 21 Apr 2021 811-22958
4 Open Document Open Filing PRIMARY DOCUMENT 21 Apr 2021 20 Apr 2021 811-22958
4 Open Document Open Filing PRIMARY DOCUMENT 20 Apr 2021 19 Apr 2021 811-22958
4 Open Document Open Filing PRIMARY DOCUMENT 19 Apr 2021 16 Apr 2021 811-22958
4 Open Document Open Filing PRIMARY DOCUMENT 16 Apr 2021 15 Apr 2021 811-22958
4 Open Document Open Filing PRIMARY DOCUMENT 13 Apr 2021 12 Feb 2021 811-22958
3 Open Document Open Filing PRIMARY DOCUMENT 13 Apr 2021 11 Feb 2021 811-22958
4 Open Document Open Filing PRIMARY DOCUMENT 13 Apr 2021 12 Feb 2021 811-22958
SC 13G Open Document Open Filing CSS LLC/IL 26 Mar 2021
SC 13G/A Open Document Open Filing CSS LLC/IL 18 Mar 2021
SC 13G/A Open Document Open Filing CSS LLC/IL 05 Mar 2021
13F-HR Open Document Open Filing 16 Feb 2021 31 Dec 2020 028-15940
SC 13G Open Document Open Filing CSS LLC/IL 16 Feb 2021
13F-HR Open Document Open Filing 16 Nov 2020 30 Sep 2020 028-15940
13F-HR Open Document Open Filing 14 Aug 2020 30 Jun 2020 028-15940
13F-HR Open Document Open Filing 15 May 2020 31 Mar 2020 028-15940
13F-HR Open Document Open Filing 14 Feb 2020 31 Dec 2019 028-15940
SC 13G/A Open Document Open Filing CSS, LLC/IL 14 Feb 2020
SC 13G/A Open Document Open Filing CSS, LLC/IL 14 Feb 2020
13F-HR Open Document Open Filing 14 Nov 2019 30 Sep 2019 028-15940
13F-HR Open Document Open Filing 14 Aug 2019 30 Jun 2019 028-15940
13F-HR Open Document Open Filing 15 May 2019 31 Mar 2019 028-15940
13F-HR Open Document Open Filing 14 Feb 2019 31 Dec 2018 028-15940
SC 13G Open Document Open Filing CSS, LLC/IL 14 Feb 2019
SC 13G Open Document Open Filing CSS, LLC/IL 14 Feb 2019
13F-HR Open Document Open Filing 14 Nov 2018 30 Sep 2018 028-15940
13F-HR Open Document Open Filing 14 Aug 2018 30 Jun 2018 028-15940
13F-HR Open Document Open Filing 15 May 2018 31 Mar 2018 028-15940
13F-HR Open Document Open Filing 14 Feb 2018 31 Dec 2017 028-15940
SC 13G Open Document Open Filing 14 Feb 2018
13F-HR Open Document Open Filing 14 Nov 2017 30 Sep 2017 028-15940
13F-HR Open Document Open Filing 14 Aug 2017 30 Jun 2017 028-15940
13F-HR Open Document Open Filing 15 May 2017 31 Mar 2017 028-15940
13F-HR Open Document Open Filing 14 Feb 2017 31 Dec 2016 028-15940
13F-HR Open Document Open Filing 14 Nov 2016 30 Sep 2016 028-15940
13F-HR Open Document Open Filing 15 Aug 2016 30 Jun 2016 028-15940
13F-HR Open Document Open Filing 16 May 2016 31 Mar 2016 028-15940
13F-HR Open Document Open Filing 16 Feb 2016 31 Dec 2015 028-15940
13F-HR Open Document Open Filing 16 Nov 2015 30 Sep 2015 028-15940
13F-HR Open Document Open Filing 14 Aug 2015 30 Jun 2015 028-15940
13F-HR Open Document Open Filing 15 May 2015 31 Mar 2015 028-15940
13F-HR Open Document Open Filing 17 Feb 2015 31 Dec 2014 028-15940
13F-HR Open Document Open Filing 14 Nov 2014 30 Sep 2014 028-15940
13F-HR Open Document Open Filing 14 Aug 2014 30 Jun 2014 028-15940
13F-HR Open Document Open Filing 15 May 2014 31 Mar 2014 028-15940
13F-HR Open Document Open Filing 14 Feb 2014 31 Dec 2013 028-15940
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jan 2013 28 Dec 2012 000-21615
4 Open Document Open Filing PRIMARY DOCUMENT 21 Nov 2012 10 Apr 2012 000-21615
3 Open Document Open Filing PRIMARY DOCUMENT 06 Nov 2012 05 Apr 2012 000-21615