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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.

13F holders, Q3 2025

Institutional positions in Hanover Insurance Group, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
460
+32 vs. Q2 2025
Shares held
31.4M
−432.6K (−1.4%) vs. Q2 2025
Total value
$5.70B
+$297.4M (+5.5%) vs. Q2 2025
New holders
66
174 more added
Sold out
34
143 more reduced

5 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting THG on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 460 institutions
Q1 2021: 351 institutionsQ2 2021: 328 institutionsQ3 2021: 325 institutionsQ4 2021: 352 institutionsQ1 2022: 358 institutionsQ2 2022: 356 institutionsQ3 2022: 332 institutionsQ4 2022: 356 institutionsQ1 2023: 350 institutionsQ2 2023: 337 institutionsQ3 2023: 335 institutionsQ4 2023: 343 institutionsQ1 2024: 347 institutionsQ2 2024: 369 institutionsQ3 2024: 377 institutionsQ4 2024: 405 institutionsQ1 2025: 437 institutionsQ2 2025: 433 institutionsQ3 2025: 460 institutionsQ4 2025: 496 institutionsQ1 2026: 507 institutionsQ2 2026: 547 institutions
Value heldQ3 2025: $5.70B
Q1 2021: $4.03BQ2 2021: $4.16BQ3 2021: $3.91BQ4 2021: $3.95BQ1 2022: $4.53BQ2 2022: $4.48BQ3 2022: $3.99BQ4 2022: $4.19BQ1 2023: $3.97BQ2 2023: $3.47BQ3 2023: $3.48BQ4 2023: $3.77BQ1 2024: $4.27BQ2 2024: $3.95BQ3 2024: $4.65BQ4 2024: $4.90BQ1 2025: $5.60BQ2 2025: $5.48BQ3 2025: $5.70BQ4 2025: $5.81BQ1 2026: $5.44BQ2 2026: $6.84B
Institutions holding THG and their total value by quarter
QuarterHoldersValue
Q2 2026547$6.84B
Q1 2026507$5.44B
Q4 2025496$5.81B
Q3 2025460$5.70B
Q2 2025433$5.48B
Q1 2025437$5.60B
Q4 2024405$4.90B
Q3 2024377$4.65B
Q2 2024369$3.95B
Q1 2024347$4.27B
Q4 2023343$3.77B
Q3 2023335$3.48B
Q2 2023337$3.47B
Q1 2023350$3.97B
Q4 2022356$4.19B
Q3 2022332$3.99B
Q2 2022356$4.48B
Q1 2022358$4.53B
Q4 2021352$3.95B
Q3 2021325$3.91B
Q2 2021328$4.16B
Q1 2021351$4.03B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Hanover Insurance Group, Inc.; share changes are against Q2 2025.

Institutions holding THG in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
McIlrath & Eck, LLC104$18.9K0.00%+77+285.2%Added
Rise Advisors, LLC101$18.3K0.01%+1+1.0%Added
Northwestern Mutual Wealth Management Co100$18.2K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC91$17.0K0.00%00.0%Unchanged
AdvisorNet Financial, Inc92$16.7K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC84$15.3K0.00%−140−62.5%Reduced
SJS Investment Consulting Inc.77$14.0K0.00%+71+1,183.3%Added
Optiver Holding B.V.74$13.4K0.00%−34−31.5%Reduced
Brown Brothers Harriman & Co72$13.1K0.00%+46+176.9%Added
Salomon & Ludwin, LLC70$12.9K0.00%00.0%Unchanged
MAI Capital Management70$12.7K0.00%−12−14.6%Reduced
Icon Advisers Inc70$12.7K0.00%00.0%Unchanged
Bell Investment Advisors, Inc63$11.4K0.00%00.0%Unchanged
Hemington Wealth Management58$10.0K0.00%+4+7.4%Added
Central Trust Co55$9.99K0.00%−46−45.5%Reduced
Manchester Capital Management LLC51$9.26K0.00%00.0%Unchanged
Curat Global, LLC50$9.08K0.01%00.0%Unchanged
Smithfield Trust Co50$9.00K0.00%00.0%Unchanged
GWM Advisors LLC40$7.26K0.00%−496−92.5%Reduced
DAGCO, Inc.34$6.17K0.00%+34New
Farmers & Merchants Investments Inc31$5.63K0.00%+2+6.9%Added
JFS Wealth Advisors, LLC30$5.45K0.00%−1−3.2%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.28$5.09K0.00%00.0%Unchanged
BankPlus Trust Department28$5.09K0.00%+28New
UMA Financial Services, Inc.26$4.72K0.00%+15+136.4%Added
Sachetta, LLC25$4.54K0.00%00.0%Unchanged
WPG Advisers, LLC25$4.54K0.00%00.0%Unchanged
MB, Levis & Associates, LLC25$4.54K0.00%+25New
S&T Bank24$4.36K0.00%+17+242.9%Added
Caitong International Asset Management Co., Ltd24$4.36K0.00%+24New
Whittier Trust Co of Nevada Inc23$4.23K0.00%−7−23.3%Reduced
Highline Wealth Partners LLC21$3.81K0.00%00.0%Unchanged
Fortitude Family Office, LLC21$3.81K0.00%+3+16.7%Added
Cary Street Partner Investment Advisory LLC21$3.81K0.00%+4+23.5%Added
GPS Wealth Strategies Group, LLC18$3.29K0.00%−18−50.0%Reduced
Prestige Wealth Management Group LLC14$2.54K0.00%00.0%Unchanged
Harbour Investments, Inc.14$2.54K0.00%+9+180.0%Added
First Horizon Corp14$2.54K0.00%+14New
Private Wealth Management Group, LLC13$2.36K0.00%00.0%Unchanged
Annis Gardner Whiting Capital Advisors, LLC12$2.18K0.00%00.0%Unchanged
Larson Financial Group LLC11$2.00K0.00%+5+83.3%Added
Spire Wealth Management10$1.82K0.00%00.0%Unchanged
Rialto Wealth Management, LLC7$1.27K0.00%+1+16.7%Added
DiNuzzo Private Wealth, Inc.7$1.22K0.00%00.0%Unchanged
Bruce G. Allen Investments, LLC6$1.09K0.00%00.0%Unchanged
Cloud Capital Management, LLC10$1.00K0.00%+10New
South State Corp.5$9090.00%00.0%Unchanged
Binnacle Investments Inc5$9080.00%00.0%Unchanged
Bare Financial Services, Inc5$9080.00%+5New
Creative Financial Designs Inc4$7270.00%00.0%Unchanged
Bay Harbor Wealth Management, LLC4$7260.00%+1+33.3%Added
HFM Investment Advisors, LLC3$5450.00%−1−25.0%Reduced
Hughes Financial Services, LLC3$5450.00%00.0%Unchanged
Cromwell Holdings LLC3$5450.00%00.0%Unchanged
Heartwood Wealth Advisors LLC3$5450.00%+3New
Tortoise Investment Management, LLC2$3630.00%00.0%Unchanged
TFC Financial Management1$1820.00%00.0%Unchanged
Proffitt & Goodson Inc1$1820.00%+1New
Turning Point Benefit Group, Inc.1$1810.00%+1New
Avion Wealth5$00.00%00.0%Unchanged
Philadelphia Financial Management of San Francisco, LLC0$00.00%−36,766−100.0%Sold out
Kingsview Wealth Management, LLC0$00.00%−13,559−100.0%Sold out
Intech Investment Management LLC0$00.00%−10,178−100.0%Sold out
Impax Asset Management Group plc0$00.00%−10,074−100.0%Sold out
Winton Group Ltd0$00.00%−7,577−100.0%Sold out
Holocene Advisors, LP0$00.00%−4,718−100.0%Sold out
Virtu Financial LLC0$00.00%−4,675−100.0%Sold out
Harvest Investment Services, LLC0$00.00%−3,616−100.0%Sold out
Ontario Teachers Pension Plan Board0$00.00%−3,509−100.0%Sold out
Burns Matteson Capital Management, LLC0$00.00%−2,728−100.0%Sold out
XTX Topco Ltd0$00.00%−2,361−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−1,792−100.0%Sold out
Axq Capital, LP0$00.00%−1,696−100.0%Sold out
MQS Management LLC0$00.00%−1,532−100.0%Sold out
Scientech Research LLC0$00.00%−1,469−100.0%Sold out
PharVision Advisers, LLC0$00.00%−1,391−100.0%Sold out
FourThought Financial Partners, LLC0$00.00%−1,299−100.0%Sold out
Horizon Investment Services, LLC0$00.00%−1,205−100.0%Sold out
USA Financial Portformulas Corp0$00.00%−1,081−100.0%Sold out
Mount Yale Investment Advisors, LLC0$00.00%−883−100.0%Sold out
Skopos Labs, Inc.0$00.00%−413−100.0%Sold out
Harbor Capital Advisors, Inc.0$00.00%−288−100.0%Sold out
Ameritas Advisory Services, LLC0$00.00%−227−100.0%Sold out
Bryn Mawr Trust Co0$00.00%−201−100.0%Sold out
Headlands Technologies LLC0$00.00%−144−100.0%Sold out
Compass Planning Associates Inc0$00.00%−126−100.0%Sold out
Wood Tarver Financial Group, LLC0$00.00%−51−100.0%Sold out
Evergreen Private Wealth LLC0$00.00%−28−100.0%Sold out
Global Wealth Strategies & Associates0$00.00%−22−100.0%Sold out
Twin Peaks Wealth Advisors, LLC0$00.00%−19−100.0%Sold out
Riggs Asset Managment Co. Inc.0$00.00%−18−100.0%Sold out
Whipplewood Advisors, LLC0$00.00%−13−100.0%Sold out
NewSquare Capital LLC0$00.00%−4−100.0%Sold out
Bogart Wealth, LLC0$00.00%−3−100.0%Sold out
Norges Bank––––Not filed
Atlas Capital Advisors LLC––––Not filed
PrairieView Partners, LLC––––Not filed
First Horizon Advisors, Inc.––––Not filed
Parkworth Wealth Management, Inc.––––Not filed