Stockbridge Partners LLC SEC EDGAR Filings (CIK 0001505183)

SEC EDGAR filings, ownership reports, and insider transactions for Stockbridge Partners LLC.

Business address
200 Clarendon Street, 35 Th Floor, Boston, MA, 02116
Top securities (13F)
TDG, TSM, AMZN, MSFT, VMC, WCN, VEEV, NOW, DE, KLAC, GWRE, HLT, TMO, and KLAR
State of incorporation
DE
Fiscal year end
31 December
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Stockbridge Partners LLC has filed 134 SEC EDGAR filings since 08 Nov 2010

Latest Filings

Recent SEC filings for Stockbridge Partners LLC including 144, 13F-HR, N-PX and more.

Form type Document Filing Description Filing date Reporting date File number(s)
144 Open 144 document View SEC filing for 144 09 Dec 2025
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2025 30 Sep 2025 028-14383
144 Open 144 document View SEC filing for 144 12 Sep 2025
N-PX Open N-PX document View SEC filing for N-PX 29 Aug 2025 30 Jun 2025 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2025 30 Jun 2025 028-14383
144 Open 144 document View SEC filing for 144 10 Jun 2025
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2025 31 Mar 2025 028-14383
144 Open 144 document View SEC filing for 144 06 Mar 2025
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2025 31 Dec 2024 028-14383
144 Open 144 document View SEC filing for 144 12 Dec 2024
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2024 30 Sep 2024 028-14383
N-PX Open N-PX document View SEC filing for N-PX 30 Aug 2024 30 Jun 2024 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2024 30 Jun 2024 028-14383
144 Open 144 document View SEC filing for 144 07 Jun 2024
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2024 31 Mar 2024 028-14383
144 Open 144 document View SEC filing for 144 28 Feb 2024
144 Open 144 document View SEC filing for 144 27 Feb 2024
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2024 31 Dec 2023 028-14383
144 Open 144 document View SEC filing for 144 12 Dec 2023
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2023 30 Sep 2023 028-14383
144 Open 144 document View SEC filing for 144 05 Sep 2023
144 Open 144 document View SEC filing for 144 05 Sep 2023
144 Open 144 document View SEC filing for 144 30 Aug 2023
144 Open 144 document View SEC filing for 144 23 Aug 2023
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2023 30 Jun 2023 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2023 31 Mar 2023 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2023 31 Dec 2022 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2022 30 Sep 2022 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Aug 2022 30 Jun 2022 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 May 2022 31 Mar 2022 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2022 31 Dec 2021 028-14383
4 Open 4 document View SEC filing for 4 16 Dec 2021 14 Dec 2021 001-36557
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Nov 2021 30 Sep 2021 028-14383
4 Open 4 document View SEC filing for 4 15 Nov 2021 11 Nov 2021 001-36557
4 Open 4 document View SEC filing for 4 16 Sep 2021 14 Sep 2021 001-36557
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 Aug 2021 30 Jun 2021 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 17 May 2021 31 Mar 2021 028-14383
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A 02 Apr 2021 31 Dec 2020 028-14383
4 Open 4 document View SEC filing for 4 12 Mar 2021 10 Mar 2021 001-36557
4 Open 4 document View SEC filing for 4 22 Feb 2021 18 Feb 2021 001-36557
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 Feb 2021 31 Dec 2020 028-14383
4 Open 4 document View SEC filing for 4 14 Dec 2020 10 Dec 2020 001-36557
4 Open 4 document View SEC filing for 4 18 Nov 2020 16 Nov 2020 001-36557
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 Nov 2020 30 Sep 2020 028-14383
4 Open 4 document View SEC filing for 4 13 Nov 2020 11 Nov 2020 001-36557
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2020 30 Jun 2020 028-14383
4 Open 4 document View SEC filing for 4 15 Jun 2020 11 Jun 2020 001-36557
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2020 31 Mar 2020 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2020 31 Dec 2019 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2019 30 Sep 2019 028-14383
4 Open 4 document View SEC filing for 4 07 Oct 2019 03 Oct 2019 001-36557
4 Open 4 document View SEC filing for 4 03 Oct 2019 01 Oct 2019 001-36557
4 Open 4 document View SEC filing for 4 12 Sep 2019 10 Sep 2019 001-36557
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2019 30 Jun 2019 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2019 31 Mar 2019 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2019 31 Dec 2018 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2018 30 Sep 2018 028-14383
4 Open 4 document View SEC filing for 4 29 Aug 2018 28 Aug 2018 001-36557
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2018 30 Jun 2018 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2018 31 Mar 2018 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2018 31 Dec 2017 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2017 30 Sep 2017 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2017 30 Jun 2017 028-14383
4 Open 4 document View SEC filing for 4 BERKSHIRE/WMS 07 Aug 2017 03 Aug 2017 001-36557
3 Open 3 document View SEC filing for 3 BERKSHIRE/WMS 07 Aug 2017 03 Aug 2017 001-36557
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2017 31 Mar 2017 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2017 31 Dec 2016 028-14383
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2017
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2017
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2016 30 Sep 2016 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Aug 2016 30 Jun 2016 028-14383
4 Open 4 document View SEC filing for 4 BERKSHIRE/MFRM 10 Jun 2016 31 May 2016 001-35354
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 May 2016 31 Mar 2016 028-14383
4 Open 4 document View SEC filing for 4 BERKSHIRE/MFRM 27 Apr 2016 25 Apr 2016 001-35354
4 Open 4 document View SEC filing for 4 BERKSHIRE/MFRM 13 Apr 2016 11 Apr 2016 001-35354
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 07 Apr 2016 05 Apr 2016 001-35354
4 Open 4 document View SEC filing for 4 BERKSHIRE/MFRM 04 Apr 2016 31 Mar 2016 001-35354
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 30 Mar 2016 28 Mar 2016 001-35354
4 Open 4 document View SEC filing for 4 BERKSHIRE/MFRM 24 Mar 2016 22 Mar 2016 001-35354
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 Feb 2016 31 Dec 2015 028-14383
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A - AMENDMENT NO. 2 FOR LUMBER LIQUIDATORS HOLDINGS, INC. BY STOCKBRIDGE 16 Feb 2016
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A FOR REALPAGE, INC. 16 Feb 2016
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A FOR ADVANCED DRAINAGE SYSTEMS, INC. 16 Feb 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Feb 2016 05 Feb 2016 001-35354
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 09 Feb 2016 05 Feb 2016 001-35354
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 Nov 2015 30 Sep 2015 028-14383
SC 13G Open SC 13G document View SEC filing for SC 13G S13G FOR ADVANCED DRAINAGE SYSTEMS, INC. BY STOCKBRIDGE PARTNERS LLC 27 Aug 2015
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2015 30 Jun 2015 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2015 31 Mar 2015 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 17 Feb 2015 31 Dec 2014 028-14383
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT 1 TO SCHEDULE 13G FOR REALPAGE, INC. BY STOCKBRIDGE PARTNERS LLC 17 Feb 2015
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A - AMENDMENT NO. 2 FOR MATTRESS FIRM HOLDING CORP. BY STOCKBRIDGE 17 Feb 2015
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A - AMENDMENT NO. 1 FOR LUMBER LIQUIDATORS HOLDINGS, INC. BY STOCKBRIDGE 17 Feb 2015
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2014 30 Sep 2014 028-14383
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G FOR LUMBER LIQUIDATORS HOLDINGS, INC. 09 Oct 2014
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2014 30 Jun 2014 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2014 31 Mar 2014 028-14383
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G FOR REALPAGE, INC. 21 Mar 2014
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2014 31 Dec 2013 028-14383
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A FOR MATTRESS FIRM HOLDING CORP. 14 Feb 2014
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2013 30 Sep 2013 028-14383
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G FOR MATTRESS FIRM HOLDING CORP. 27 Sep 2013
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2013 30 Jun 2013 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR QUARTER ENDED 03-31-2013 15 May 2013 31 Mar 2013 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR QUARTER ENDED 12-31-2012 14 Feb 2013 31 Dec 2012 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR QUARTER ENDED 09-30-2012 14 Nov 2012 30 Sep 2012 028-14383
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Oct 2012 28 Sep 2012 001-31829
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A AMENDMENT TO 13-F FOR QUARTER ENDED 06-30-2012 15 Aug 2012 30 Jun 2012 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR FOR QUARTER ENDED 06-30-2012 14 Aug 2012 30 Jun 2012 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR FOR QUARTER ENDED 03-31-2012 15 May 2012 31 Mar 2012 028-14383
4 Open 4 document View SEC filing for 4 FORM 4 30 Apr 2012 30 Apr 2012 001-31829
4 Open 4 document View SEC filing for 4 FORM 4 30 Apr 2012 26 Apr 2012 001-31829
13F-HR Open 13F-HR document View SEC filing for 13F-HR FOR QUARTER ENDED 12-31-2011 14 Feb 2012 31 Dec 2011 028-14383
13F-HR Open 13F-HR document View SEC filing for 13F-HR FOR QUARTER ENDED 09-30-2011 14 Nov 2011 30 Sep 2011 028-14383
4 Open 4 document View SEC filing for 4 FORM 4 24 Oct 2011 20 Oct 2011 001-31829
4 Open 4 document View SEC filing for 4 FORM 4 06 Sep 2011 01 Sep 2011 001-31829
4 Open 4 document View SEC filing for 4 FORM 4 18 Aug 2011 16 Aug 2011 001-31829
13F-HR Open 13F-HR document View SEC filing for 13F-HR FOR QUARTER ENDED 06-30/11 15 Aug 2011 30 Jun 2011 028-14383
4 Open 4 document View SEC filing for 4 FORM 4 10 Aug 2011 08 Aug 2011 001-31829
4 Open 4 document View SEC filing for 4 FORM 4 03 Aug 2011 01 Aug 2011 001-31829
4 Open 4 document View SEC filing for 4 FORM 4 14 Jul 2011 12 Jul 2011 001-31829
4 Open 4 document View SEC filing for 4 FORM 4 13 Jun 2011 09 Jun 2011 001-31829
4 Open 4 document View SEC filing for 4 FORM 4 08 Jun 2011 06 Jun 2011 001-31829
13F-HR Open 13F-HR document View SEC filing for 13F-HR FOR QUARTER ENDED 03/31/11 16 May 2011 31 Mar 2011 028-14383
4 Open 4 document View SEC filing for 4 FORM 4 05 May 2011 03 May 2011 001-31829
4 Open 4 document View SEC filing for 4 FORM 4 07 Apr 2011 05 Apr 2011 001-31829
4 Open 4 document View SEC filing for 4 FORM 4 04 Mar 2011 02 Mar 2011 001-31829
13F-HR Open 13F-HR document View SEC filing for 13F-HR FOR PERIOD ENDED 12/31/10 14 Feb 2011 31 Dec 2010 028-14383
4 Open 4 document View SEC filing for 4 FORM 4 03 Feb 2011 01 Feb 2011 001-31829
4 Open 4 document View SEC filing for 4 FORM 4 06 Jan 2011 04 Jan 2011 001-31829
4 Open 4 document View SEC filing for 4 FORM 4 02 Dec 2010 30 Nov 2010 001-31829
4 Open 4 document View SEC filing for 4 FORM 4 10 Nov 2010 08 Nov 2010 001-31829
4 Open 4 document View SEC filing for 4 FORM 4 08 Nov 2010 04 Nov 2010 001-31829
3 Open 3 document View SEC filing for 3 FORM 3 08 Nov 2010 04 Nov 2010 001-31829

About this filer

Stockbridge Partners LLC files with the SEC under CIK 0001505183. 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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