S&CO INC SEC EDGAR Filings (CIK 0001082461)

SEC EDGAR filings, ownership reports, and insider transactions for S&CO INC.

Business address
50 Congress Street Room 800, Boston, MA, 02109
Top securities (13F)
MSFT, BRKB, XOM, AAPL, CAT, ECL, CHD, ADP, MRK, AMZN, GOOG, JNJ, CCJ, GLD, PROSY, GOOGL, ABT, TMO, MOS, and APD
State of incorporation
MA
Fiscal year end
31 December
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S&CO INC has filed 107 SEC EDGAR filings since 18 Aug 1999

Latest Filings

Recent SEC filings for S&CO INC including 13F-HR, N-PX, 13F-HR/A.

Form type Document Filing Description Filing date Reporting date File number(s)
13F-HR Open 13F-HR document View SEC filing for 13F-HR 05 Feb 2026 31 Dec 2025 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 06 Nov 2025 30 Sep 2025 028-04997
N-PX Open N-PX document View SEC filing for N-PX 14 Aug 2025 30 Jun 2025 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 07 Aug 2025 30 Jun 2025 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 08 May 2025 31 Mar 2025 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 07 Feb 2025 31 Dec 2024 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 07 Nov 2024 30 Sep 2024 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 08 Aug 2024 30 Jun 2024 028-04997
N-PX Open N-PX document View SEC filing for N-PX 07 Aug 2024 30 Jun 2024 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 May 2024 31 Mar 2024 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2024 31 Dec 2023 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 Nov 2023 30 Sep 2023 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 08 Aug 2023 30 Jun 2023 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 May 2023 31 Mar 2023 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 07 Feb 2023 31 Dec 2022 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 Nov 2022 30 Sep 2022 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 Aug 2022 30 Jun 2022 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 05 May 2022 31 Mar 2022 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 08 Feb 2022 31 Dec 2021 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 Nov 2021 30 Sep 2021 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Jul 2021 30 Jun 2021 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 23 Apr 2021 31 Mar 2021 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 28 Jan 2021 31 Dec 2020 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 Dec 2020 30 Jun 2020 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Dec 2020 30 Sep 2020 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 28 Apr 2020 31 Mar 2020 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 24 Jan 2020 31 Dec 2019 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 29 Oct 2019 30 Sep 2019 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 23 Jul 2019 30 Jun 2019 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 24 Apr 2019 31 Mar 2019 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 29 Jan 2019 31 Dec 2018 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 05 Nov 2018 30 Sep 2018 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 27 Jul 2018 30 Jun 2018 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 02 May 2018 31 Mar 2018 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 22 Jan 2018 31 Dec 2017 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 02 Nov 2017 30 Sep 2017 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 28 Jul 2017 30 Jun 2017 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 07 Apr 2017 31 Mar 2017 028-04997
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A 27 Jan 2017 31 Dec 2016 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 25 Jan 2017 31 Dec 2016 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 28 Oct 2016 30 Sep 2016 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 21 Jul 2016 30 Jun 2016 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 29 Apr 2016 31 Mar 2016 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 27 Jan 2016 31 Dec 2015 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 28 Oct 2015 30 Sep 2015 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Jul 2015 30 Jun 2015 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 27 Apr 2015 31 Mar 2015 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 20 Jan 2015 31 Dec 2014 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 31 Oct 2014 30 Sep 2014 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 24 Jul 2014 30 Jun 2014 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 28 Apr 2014 31 Mar 2014 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 07 Feb 2014 31 Dec 2013 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 22 Oct 2013 30 Sep 2013 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 24 Jul 2013 30 Jun 2013 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR NONE 08 May 2013 31 Mar 2013 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR NONE 12 Feb 2013 31 Dec 2012 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR NONE 08 Nov 2012 30 Sep 2012 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR NONE 13 Aug 2012 30 Jun 2012 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR NONE 02 May 2012 31 Mar 2012 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR NONE 13 Feb 2012 31 Dec 2011 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR NONE 09 Nov 2011 30 Sep 2011 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 25 Jul 2011 30 Jun 2011 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 May 2011 31 Mar 2011 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 26 Jan 2011 31 Dec 2010 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 10 Nov 2010 30 Sep 2010 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 19 Aug 2010 30 Jun 2010 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 04 May 2010 31 Mar 2010 028-04997
13F-HR Open 13F-HR document View SEC filing for 13F-HR 10 Feb 2010 31 Dec 2009 028-04997

About this filer

S&CO INC files with the SEC under CIK 0001082461. 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.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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