HANOVER INSURANCE GROUP INC/ (THG) Stock Institutional Trading Activity


HANOVER INSURANCE GROUP INC/ (THG) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q3 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Sequoia Financial Advisors, and Hancock Classic Value. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2025Renaissance Technologies LLCSell-10,0002,100$381,423
Q3 2025Sequoia Financial AdvisorsBuy2,0563,551$644,969
Q2 2025Sequoia Financial AdvisorsBuy1,4951,495$253,956
Q2 2025Renaissance Technologies LLCBuy80012,100$2,055,427
Q1 2025Renaissance Technologies LLCBuy2,20011,300$1,965,635
Q2 2024Renaissance Technologies LLCSell-28,0009,100$1,141,504
Q1 2024Renaissance Technologies LLCSell-68,00037,100$5,052
Q4 2023Renaissance Technologies LLCSell-54,000105,100$12,761
Q3 2023Renaissance Technologies LLCBuy66,200159,100$17,657
Q2 2023Renaissance Technologies LLCBuy54,20092,900$10,500
Q1 2023Renaissance Technologies LLCSell-17,90038,700$4,973
Q4 2022Renaissance Technologies LLCBuy26,50056,600$7,648
Q1 2022Renaissance Technologies LLCSell-8,70030,100$4,501
Q4 2021Renaissance Technologies LLCBuy10,50038,800$5,085
Q3 2021Renaissance Technologies LLCSell-24,91628,300$3,668
Q1 2021Hancock Classic ValueSell-6697,804$12,662
Q3 2020Renaissance Technologies LLCBuy13,71653,216$4,959
Q2 2020Renaissance Technologies LLCSell-26,30039,500$4,003
Q2 2020Hancock Classic ValueSell-51,58697,870$9,917
Q1 2020Renaissance Technologies LLCBuy64,20065,800$5,960
Q1 2020Hancock Classic ValueSell-84,372149,456$13,538
Q4 2019Hancock Classic ValueBuy65,904233,828$31,957
Q3 2019Renaissance Technologies LLCSell-147,3001,600$217
Q3 2019Hancock Classic ValueSell-66167,924$22,760
Q2 2019Renaissance Technologies LLCSell-296,100148,900$19,104
Q2 2019Hancock Classic ValueSell-30,474167,990$21,553
Q1 2019Renaissance Technologies LLCSell-172,000445,000$50,806
Q1 2019Hancock Classic ValueSell-279,720198,464$22,659
Q4 2018Renaissance Technologies LLCBuy63,100617,000$72,047
Q4 2018Hancock Classic ValueSell-88,020478,184$55,838

Frequently asked questions about THG activity

  • Which institutional owners are buying THG?

    Institutional owners buying THG include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in THG activity?

    "Buy" means an investor increased their reported position in THG compared to the prior reporting period. This reflects growing exposure to HANOVER INSURANCE GROUP INC/ (THG) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in THG increasing?

    Institutional interest in THG can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.