TETRAD CORP

Business address
10340 North 84 Th Street, Omaha, NE, 68122
Top securities (13F)
BRKB, USB, and EPD
State of incorporation
WY
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TETRAD CORP has filed 78 SEC EDGAR filings since 01 Aug 2025

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
13F-HR Open Document Open Filing 06 Nov 2025 30 Sep 2025 028-25678
13F-HR Open Document Open Filing 05 Aug 2025 30 Jun 2025 028-25678
N-PX Open Document Open Filing 05 Aug 2025 30 Jun 2025 028-25678
N-PX Open Document Open Filing 05 Aug 2025 30 Jun 2024 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2025 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2024 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Sep 2024 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Jun 2024 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2024 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2023 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Sep 2023 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Jun 2023 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2023 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2022 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Sep 2022 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Jun 2022 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2022 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2021 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Sep 2021 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Jun 2021 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2021 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2020 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Sep 2020 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Jun 2020 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2020 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2019 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Sep 2019 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Jun 2019 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2019 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2018 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Sep 2018 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Jun 2018 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2018 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2017 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Sep 2017 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Jun 2017 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2017 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2016 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Sep 2016 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Jun 2016 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2016 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2015 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Sep 2015 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Jun 2015 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2015 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2014 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Sep 2014 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Jun 2014 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2014 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2013 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Sep 2013 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Jun 2013 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2013 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2012 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Sep 2012 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Jun 2012 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2012 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2011 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Sep 2011 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Jun 2011 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2011 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2010 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Sep 2010 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Jun 2010 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2010 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2009 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Sep 2009 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Jun 2009 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2009 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2008 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Sep 2008 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Jun 2008 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2008 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2007 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Sep 2007 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 30 Jun 2007 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Mar 2007 028-25678
13F-HR Open Document Open Filing 01 Aug 2025 31 Dec 2006 028-25678