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Hanover Insurance Group, Inc.

THG
Exchange
NYSE
Industry
Fire, Marine & Casualty Insurance
SEC CIK
0000944695

In the last 90 days, Hanover Insurance Group, Inc. insiders filed 0 open-market purchases and 3 sales; 547 institutions reported holding it in 13F filings for Q2 2026, worth $6.84B in total; Markel Group is the only superinvestor holding it.

Holders of 5% or more of THG

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Hanover Insurance Group, Inc., largest stake first. The change is against the holder's previous filing.

No holder currently reports owning 5% or more of Hanover Insurance Group, Inc. on Schedule 13D or 13G.

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

1 Schedule 13D or 13G filing on Hanover Insurance Group, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on THG
Filed (ET)FilerFormStakeChangeEvent dateFiling
Mar 27, 20269:33 AM ETVanguard Group Inc13G/A0.00%0 shares–Below 5%Mar 13, 2026SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Hanover Insurance Group, Inc. shares.

No Form 144 notices for Hanover Insurance Group, Inc. are on file.