Alyeska Master Fund, L.P. SEC EDGAR Filings (CIK 0001456506)

SEC EDGAR filings, ownership reports, and insider transactions for Alyeska Master Fund, L.P..

Business address
77 West Wacker Drive, 7 Th Floor, Chicago, IL, 60601
State of incorporation
Cayman Islands
Fiscal year end
31 December
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Alyeska Master Fund, L.P. has filed 86 SEC EDGAR filings since 17 Feb 2009

Latest Filings

Recent SEC filings for Alyeska Master Fund, L.P. including 13F-NT, N-PX, 4 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
13F-NT Open 13F-NT document View SEC filing for 13F-NT 17 Feb 2026 31 Dec 2025 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 17 Nov 2025 30 Sep 2025 028-13417
N-PX Open N-PX document View SEC filing for N-PX 28 Aug 2025 30 Jun 2025 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2025 30 Jun 2025 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 May 2025 31 Mar 2025 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2025 31 Dec 2024 028-13417
4 Open 4 document View SEC filing for 4 4 05 Dec 2024 05 Dec 2024 001-41628
3 Open 3 document View SEC filing for 3 3 05 Dec 2024 05 Dec 2024 001-41628
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2024 30 Sep 2024 028-13417
4 Open 4 document View SEC filing for 4 4 08 Oct 2024 03 Oct 2024 001-42301
3 Open 3 document View SEC filing for 3 3 08 Oct 2024 02 Oct 2024 001-42301
N-PX Open N-PX document View SEC filing for N-PX 30 Aug 2024 30 Jun 2024 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2024 30 Jun 2024 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 May 2024 31 Mar 2024 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2024 31 Dec 2023 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2023 30 Sep 2023 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2023 30 Jun 2023 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 May 2023 31 Mar 2023 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2023 31 Dec 2022 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2022 30 Sep 2022 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 Aug 2022 30 Jun 2022 028-13417
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 23 May 2022 04 Apr 2022 001-36533
13F-NT Open 13F-NT document View SEC filing for 13F-NT 16 May 2022 31 Mar 2022 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2022 31 Dec 2021 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 Nov 2021 30 Sep 2021 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 16 Aug 2021 30 Jun 2021 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 17 May 2021 31 Mar 2021 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 16 Feb 2021 31 Dec 2020 028-13417
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Dec 2020 16 Dec 2020 001-39272
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Dec 2020 11 Dec 2020 001-39272
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Dec 2020 10 Dec 2020 001-39272
13F-NT Open 13F-NT document View SEC filing for 13F-NT 16 Nov 2020 30 Sep 2020 028-13417
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Nov 2020 30 Oct 2020 001-39160
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Nov 2020 30 Oct 2020 001-39160
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Oct 2020 14 Oct 2020 001-39272
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Oct 2020 12 Oct 2020 001-39160
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Oct 2020 06 Oct 2020 001-39160
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Oct 2020 05 Oct 2020 001-39160
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 31 Aug 2020 19 Aug 2020 001-39272
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2020 30 Jun 2020 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 May 2020 31 Mar 2020 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2020 31 Dec 2019 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2019 30 Sep 2019 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2019 30 Jun 2019 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 May 2019 31 Mar 2019 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2019 31 Dec 2018 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2018 30 Sep 2018 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2018 30 Jun 2018 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 May 2018 31 Mar 2018 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2018 31 Dec 2017 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2017 30 Sep 2017 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2017 30 Jun 2017 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 May 2017 31 Mar 2017 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2017 31 Dec 2016 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2016 30 Sep 2016 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 Aug 2016 30 Jun 2016 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 16 May 2016 31 Mar 2016 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 16 Feb 2016 31 Dec 2015 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 16 Nov 2015 30 Sep 2015 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2015 30 Jun 2015 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 May 2015 31 Mar 2015 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 17 Feb 2015 31 Dec 2014 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2014 30 Sep 2014 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2014 30 Jun 2014 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 May 2014 31 Mar 2014 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2014 31 Dec 2013 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2013 30 Sep 2013 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2013 30 Jun 2013 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 May 2013 31 Mar 2013 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2013 31 Dec 2012 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2012 30 Sep 2012 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Aug 2012 30 Jun 2012 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 May 2012 31 Mar 2012 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2012 31 Dec 2011 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2011 30 Sep 2011 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 Aug 2011 30 Jun 2011 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 16 May 2011 31 Mar 2011 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2011 31 Dec 2010 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 Nov 2010 30 Sep 2010 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 16 Aug 2010 30 Jun 2010 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 17 May 2010 31 Mar 2010 028-13417
13F-NT Open 13F-NT document View SEC filing for 13F-NT 16 Feb 2010 31 Dec 2009 028-13417

About this filer

Alyeska Master Fund, L.P. files with the SEC under CIK 0001456506. 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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