LIBERTY MUTUAL HOLDING Co INC. SEC EDGAR Filings (CIK 0001142872)

SEC EDGAR filings, ownership reports, and insider transactions for LIBERTY MUTUAL HOLDING Co INC..

Business address
175 Berkeley Street, Boston, MA, 02116
Top holdings (ownership)
5C Lending Partners Corp. and Willow Tree Capital Corp
Top holdings (Schedule 13D)
Ares Private Markets Fund
Top holdings (Schedule 13G)
Willow Tree Capital Corporation, Fortress Private Lending Fund, and 5C Lending Partners Corp.
State of incorporation
MA
Fiscal year end
31 December
Former names
LIBERTY MUTUAL HOLDING CO (to 26 Sep 2025)
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LIBERTY MUTUAL HOLDING Co INC. has filed 54 SEC EDGAR filings since 15 Nov 2010

Latest Filings

Recent SEC filings for LIBERTY MUTUAL HOLDING Co INC. including 3, 4, SCHEDULE 13G/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
3 Open 3 document View SEC filing for 3 3 13 Feb 2026 13 Feb 2026 814-01938
4 Open 4 document View SEC filing for 4 4 28 Jan 2026 26 Jan 2026 814-01797
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 15 Jan 2026
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 05 Jan 2026
4 Open 4 document View SEC filing for 4 4 31 Dec 2025 29 Dec 2025 814-01797
4 Open 4 document View SEC filing for 4 4 18 Dec 2025 16 Dec 2025 001-41132
4 Open 4 document View SEC filing for 4 4 18 Dec 2025 17 Dec 2025 814-01751
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 07 Oct 2025
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 02 Oct 2025
4 Open 4 document View SEC filing for 4 4 26 Sep 2025 25 Sep 2025 814-01751
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 05 Sep 2025
4 Open 4 document View SEC filing for 4 4 28 Aug 2025 26 Aug 2025 814-01797
3 Open 3 document View SEC filing for 3 3 27 Aug 2025 18 Aug 2025 814-01880
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 01 Aug 2025
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 10 Jul 2025
4 Open 4 document View SEC filing for 4 4 07 Jul 2025 02 Jul 2025 814-01797
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 02 Jul 2025
4 Open 4 document View SEC filing for 4 4 30 Jun 2025 26 Jun 2025 814-01751
4 Open 4 document View SEC filing for 4 4 20 Jun 2025 17 Jun 2025 814-01797
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 11 Apr 2025
4 Open 4 document View SEC filing for 4 4 08 Apr 2025 04 Apr 2025 001-41132
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 01 Apr 2025
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 01 Apr 2025
4 Open 4 document View SEC filing for 4 4 01 Apr 2025 28 Mar 2025 814-01797
4 Open 4 document View SEC filing for 4 4 28 Mar 2025 26 Mar 2025 814-01751
4/A Open 4/A document View SEC filing for 4/A 4/A 28 Mar 2025 23 Dec 2024 814-01751
3/A Open 3/A document View SEC filing for 3/A 3/A 28 Mar 2025 07 Nov 2024 814-01751
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 12 Feb 2025
4/A Open 4/A document View SEC filing for 4/A 4/A 12 Feb 2025 23 Dec 2024 814-01751
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 03 Jan 2025
4 Open 4 document View SEC filing for 4 4 26 Dec 2024 23 Dec 2024 814-01797
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 26 Dec 2024
4 Open 4 document View SEC filing for 4 4 26 Dec 2024 23 Dec 2024 814-01751
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 25 Nov 2024
3 Open 3 document View SEC filing for 3 3 25 Nov 2024 07 Nov 2024 814-01751
3 Open 3 document View SEC filing for 3 3 20 Nov 2024 08 Nov 2024 814-01797
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 18 Nov 2024
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 02 Oct 2024
4 Open 4 document View SEC filing for 4 4 03 Apr 2024 01 Apr 2024 001-41132
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Apr 2023 03 Apr 2023 001-41132
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Sep 2022 13 Sep 2022 001-41132
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 11 Apr 2022 01 Apr 2022 811-23727
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 11 Apr 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Apr 2022 01 Apr 2022 001-41132
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 07 Dec 2021 07 Dec 2021 001-41132
DFAN14A Open DFAN14A document View SEC filing for DFAN14A DFAN14A 25 Aug 2021
DFAN14A Open DFAN14A document View SEC filing for DFAN14A DFAN14A 13 Jul 2021
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 13 Jul 2021
13F-NT Open 13F-NT document View SEC filing for 13F-NT FORM 13F 14 Feb 2012 31 Dec 2011 028-14031
13F-NT Open 13F-NT document View SEC filing for 13F-NT NOTICE 14 Nov 2011 30 Sep 2011 028-14031
13F-NT Open 13F-NT document View SEC filing for 13F-NT FORM 13F 12 Aug 2011 30 Jun 2011 028-14031
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13F-NT 13 May 2011 31 Mar 2011 028-14031
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13F-NT 14 Feb 2011 31 Dec 2010 028-14031
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13F-NT 15 Nov 2010 30 Sep 2010 028-14031

About this filer

LIBERTY MUTUAL HOLDING Co INC. files with the SEC under CIK 0001142872. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

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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