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 2018Renaissance Technologies LLCSell-168,500553,900$68,335
Q3 2018Hancock Classic ValueSell-19,834566,204$69,853
Q2 2018Hancock Classic ValueSell-164,615586,038$70,067
Q1 2018Renaissance Technologies LLCSell-126,800722,400$85,164
Q1 2018Hancock Classic ValueSell-2,110750,653$88,494
Q4 2017Renaissance Technologies LLCSell-20,400849,200$91,782
Q4 2017Hancock Classic ValueBuy6,337752,763$81,359
Q3 2017Renaissance Technologies LLCBuy26,700869,600$84,290
Q3 2017Hancock Classic ValueBuy746,426746,426$72,351
Q2 2017Renaissance Technologies LLCBuy254,000842,900$74,706
Q1 2017Renaissance Technologies LLCBuy61,700588,900$53,036
Q4 2016Renaissance Technologies LLCBuy3,100527,200$47,980
Q3 2016Renaissance Technologies LLCBuy332,000524,100$39,528
Q2 2016Renaissance Technologies LLCSell-39,300192,100$16,256
Q1 2016Renaissance Technologies LLCSell-29,700231,400$20,877
Q4 2015Renaissance Technologies LLCBuy87,200261,100$21,238
Q3 2015Renaissance Technologies LLCBuy35,000173,900$13,512
Q2 2015Renaissance Technologies LLCSell-104,800138,900$10,283
Q1 2015Renaissance Technologies LLCSell-98,300243,700$17,688
Q4 2014Renaissance Technologies LLCBuy153,100342,000$24,391
Q3 2014Renaissance Technologies LLCBuy110,700188,900$11,602
Q2 2014Renaissance Technologies LLCSell-57,93078,200$4,938
Q1 2014Renaissance Technologies LLCSell-40,770136,130$8,364
Q4 2013Renaissance Technologies LLCBuy73,400176,900$10,563
Q3 2013Renaissance Technologies LLCBuy74,078103,500$5,726
Q2 2013Renaissance Technologies LLCBuy29,42229,422$1,440

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.