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Liberty Mutual Insurance Co

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13F filer, CIK 316369, Boston, MA

Liberty Mutual Insurance Co filed a 13F-NT notice for the quarter ended 2026-06-30 on 2026-08-14.

Filed (acceptance time not in the bulk data set), ingested 13F-NT 0001193125-26-350787

This filer reports no holdings of its own for Q2 2026. It filed a 13F-NT notice, and its holdings are in the report of . How notices are handled.

Changes against Q1 2026 are not shown: it was a notice, with the holdings in another manager's report (0 positions on file), so every position would read as new.

Stakes and trades reported after 2026-06-30

13D, 13G and Form 4 filings by this filer's group, dated after the 13F period, on securities the quarter does not hold as shares.

  • 0: 13G/A 4,182,050 shares, 23.8% of the class, 13G/A filed 2026-10-01, 0001193125-26-410851
    Accepted , ingested

How Q2 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-NT 0001193125-26-350787 notice2026-08-14acceptance time not in the bulk data set

Filings

Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.

FilingSubjectFiledAcceptedIngested
13F-NT 0001193125-26-350787 Quarter ended 2026-06-302026-08-14acceptance time not in the bulk data set
13F-NT 0001193125-26-225329 Quarter ended 2026-03-312026-05-15acceptance time not in the bulk data set
13F-NT 0001193125-26-050447 Quarter ended 2025-12-312026-02-13acceptance time not in the bulk data set
13F-NT 0001193125-25-280445 Quarter ended 2025-09-302025-11-13acceptance time not in the bulk data set
13F-NT 0000950123-25-006649 Quarter ended 2025-06-302025-07-28acceptance time not in the bulk data set
13F-NT 0000950123-25-004311 Quarter ended 2025-03-312025-05-08acceptance time not in the bulk data set
13F-NT 0000950123-25-002575 Quarter ended 2024-12-312025-02-14acceptance time not in the bulk data set
13F-NT 0000950123-24-011736 Quarter ended 2024-09-302024-11-14acceptance time not in the bulk data set
13F-NT 0000950123-24-008704 Quarter ended 2024-06-302024-08-14acceptance time not in the bulk data set
13F-NT 0000950123-22-008380 Quarter ended 2022-06-302022-08-11acceptance time not in the bulk data set
13F-NT 0000950123-22-006541 Quarter ended 2022-03-312022-05-16acceptance time not in the bulk data set
13F-NT 0000950123-22-002022 Quarter ended 2021-12-312022-02-11acceptance time not in the bulk data set
13F-NT 0000950123-21-014395 Quarter ended 2021-09-302021-11-10acceptance time not in the bulk data set
13F-NT 0000950123-21-010813 Quarter ended 2021-06-302021-08-13acceptance time not in the bulk data set
13F-NT 0000950123-21-006069 Quarter ended 2021-03-312021-05-12acceptance time not in the bulk data set
13F-NT 0000950123-21-001828 Quarter ended 2020-12-312021-02-12acceptance time not in the bulk data set
13F-NT 0000950123-20-011281 Quarter ended 2020-09-302020-11-12acceptance time not in the bulk data set
13F-NT 0000950123-20-008178 Quarter ended 2020-06-302020-08-11acceptance time not in the bulk data set
13F-NT 0000950123-20-004008 Quarter ended 2020-03-312020-05-06acceptance time not in the bulk data set
13F-NT 0000950123-20-000676 Quarter ended 2019-12-312020-01-30acceptance time not in the bulk data set
13F-NT 0000950123-19-010168 Quarter ended 2019-09-302019-11-06acceptance time not in the bulk data set
13F-NT 0000950123-19-007351 Quarter ended 2019-06-302019-08-08acceptance time not in the bulk data set
13F-NT 0000950123-19-004369 Quarter ended 2019-03-312019-05-10acceptance time not in the bulk data set
13F-NT 0000950123-19-001736 Quarter ended 2018-12-312019-02-14acceptance time not in the bulk data set
13F-NT 0000950123-18-011699 Quarter ended 2018-09-302018-11-14acceptance time not in the bulk data set
13F-NT 0000950123-18-007954 Quarter ended 2018-06-302018-08-10acceptance time not in the bulk data set
13F-NT 0000950123-17-007443 Quarter ended 2017-06-302017-08-11acceptance time not in the bulk data set
13F-NT 0000950123-17-004727 Quarter ended 2017-03-312017-05-12acceptance time not in the bulk data set
13F-NT 0000950123-17-002143 Quarter ended 2016-12-312017-02-14acceptance time not in the bulk data set
13F-NT 0000950123-16-021699 Quarter ended 2016-09-302016-11-10acceptance time not in the bulk data set
13F-NT 0000950123-16-019705 Quarter ended 2016-06-302016-08-12acceptance time not in the bulk data set
13F-NT 0000950123-16-016279 Quarter ended 2016-03-312016-05-06acceptance time not in the bulk data set
13F-NT 0000950123-16-013745 Quarter ended 2015-12-312016-02-09acceptance time not in the bulk data set
13F-NT 0000950123-15-011471 Quarter ended 2015-09-302015-11-12acceptance time not in the bulk data set
13F-NT 0000950123-15-008429 Quarter ended 2015-06-302015-08-11acceptance time not in the bulk data set
13F-NT 0000950123-15-005648 Quarter ended 2015-03-312015-05-13acceptance time not in the bulk data set
13F-NT 0000950123-15-002040 Quarter ended 2014-12-312015-02-13acceptance time not in the bulk data set
13F-NT 0000950123-14-012138 Quarter ended 2014-09-302014-11-14acceptance time not in the bulk data set
13F-NT 0000950123-14-008869 Quarter ended 2014-06-302014-08-14acceptance time not in the bulk data set
13F-NT 0000950123-14-005893 Quarter ended 2014-03-312014-05-14acceptance time not in the bulk data set
13F-NT 0000950123-14-002140 Quarter ended 2013-12-312014-02-13acceptance time not in the bulk data set
13F-NT 0000950123-13-009267 Quarter ended 2013-09-302013-11-13acceptance time not in the bulk data set
13F-NT 0000950123-13-006228 Quarter ended 2013-06-302013-08-13acceptance time not in the bulk data set