Columbia Asset Management

Business address
924 North Main Street, Suite 1, Ann Arbor, MI, 48104
Top securities (13F)
AAPL, MSFT, ERIE, GOOGL, AMZN, V, AVGO, JPM, JNJ, MRK, IBM, SPY, GOOG, ABBV, CAT, SBUX, CSCO, NVDA, PG, and AMGN
State of incorporation
MI
Fiscal year end
December 31
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Columbia Asset Management has filed 49 SEC EDGAR filings since 11 Feb 2014

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
13F-HR Open Document Open Filing 04 Nov 2025 30 Sep 2025 028-15791
13F-HR Open Document Open Filing 18 Jul 2025 30 Jun 2025 028-15791
13F-HR Open Document Open Filing 10 Apr 2025 31 Mar 2025 028-15791
13F-HR Open Document Open Filing 12 Feb 2025 31 Dec 2024 028-15791
13F-HR Open Document Open Filing 12 Nov 2024 30 Sep 2024 028-15791
13F-HR Open Document Open Filing 05 Aug 2024 30 Jun 2024 028-15791
13F-HR Open Document Open Filing 08 May 2024 31 Mar 2024 028-15791
13F-HR Open Document Open Filing 09 Feb 2024 31 Dec 2023 028-15791
13F-HR Open Document Open Filing 13 Nov 2023 30 Sep 2023 028-15791
13F-HR Open Document Open Filing 14 Aug 2023 30 Jun 2023 028-15791
13F-HR Open Document Open Filing 15 May 2023 31 Mar 2023 028-15791
13F-HR Open Document Open Filing 10 Feb 2023 31 Dec 2022 028-15791
13F-HR Open Document Open Filing 03 Nov 2022 30 Sep 2022 028-15791
13F-HR Open Document Open Filing 26 Aug 2022 30 Jun 2022 028-15791
13F-HR Open Document Open Filing 14 Feb 2022 31 Dec 2021 028-15791
13F-HR Open Document Open Filing 15 Nov 2021 30 Sep 2021 028-15791
13F-HR Open Document Open Filing 02 Aug 2021 30 Jun 2021 028-15791
13F-HR Open Document Open Filing 28 May 2021 31 Mar 2021 028-15791
13F-HR Open Document Open Filing 11 Feb 2021 31 Dec 2020 028-15791
13F-HR Open Document Open Filing 16 Nov 2020 30 Sep 2020 028-15791
13F-HR Open Document Open Filing 14 Aug 2020 30 Jun 2020 028-15791
13F-HR Open Document Open Filing 14 May 2020 31 Mar 2020 028-15791
13F-HR Open Document Open Filing 14 Feb 2020 31 Dec 2019 028-15791
13F-HR Open Document Open Filing 12 Nov 2019 30 Sep 2019 028-15791
13F-HR Open Document Open Filing 15 Aug 2019 30 Jun 2019 028-15791
13F-HR Open Document Open Filing 20 May 2019 31 Mar 2019 028-15791
13F-HR Open Document Open Filing 12 Feb 2019 31 Dec 2018 028-15791
13F-HR Open Document Open Filing 06 Nov 2018 30 Sep 2018 028-15791
13F-HR Open Document Open Filing 14 Aug 2018 30 Jun 2018 028-15791
13F-HR Open Document Open Filing 07 May 2018 31 Mar 2018 028-15791
13F-HR Open Document Open Filing 05 Feb 2018 31 Dec 2017 028-15791
13F-HR Open Document Open Filing 07 Nov 2017 30 Sep 2017 028-15791
13F-HR Open Document Open Filing 10 Aug 2017 30 Jun 2017 028-15791
13F-HR Open Document Open Filing 12 May 2017 31 Mar 2017 028-15791
13F-HR/A Open Document Open Filing 14 Feb 2017 31 Dec 2016 028-15791
13F-HR Open Document Open Filing 25 Jan 2017 31 Dec 2016 028-15791
13F-HR Open Document Open Filing 01 Nov 2016 30 Sep 2016 028-15791
13F-HR Open Document Open Filing 08 Aug 2016 30 Jun 2016 028-15791
13F-HR/A Open Document Open Filing 17 May 2016 31 Mar 2016 028-15791
13F-HR Open Document Open Filing 17 May 2016 31 Mar 2016 028-15791
13F-HR Open Document Open Filing 08 Feb 2016 31 Dec 2015 028-15791
13F-HR Open Document Open Filing 16 Nov 2015 30 Sep 2015 028-15791
13F-HR Open Document Open Filing 11 Aug 2015 30 Jun 2015 028-15791
13F-HR Open Document Open Filing 11 May 2015 31 Mar 2015 028-15791
13F-HR Open Document Open Filing 24 Feb 2015 31 Dec 2014 028-15791
13F-HR Open Document Open Filing 17 Nov 2014 30 Sep 2014 028-15791
13F-HR Open Document Open Filing 25 Aug 2014 30 Jun 2014 028-15791
13F-HR Open Document Open Filing 23 May 2014 31 Mar 2014 028-15791
13F-HR Open Document Open Filing 11 Feb 2014 31 Dec 2013 028-15791