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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
HB Wealth Management, LLC1,507$273.7K0.00%+1,507New
Baird Financial Group, Inc.1,504$273.2K0.00%−292−16.3%Reduced
Principal Securities, Inc.1,502$272.8K0.00%+89+6.3%Added
Delta Asset Management LLC1,500$272.4K0.02%00.0%Unchanged
LSV Asset Management1,500$272.0K0.00%00.0%Unchanged
Krilogy Financial LLC1,537$270.5K0.01%+1,537New
Greenleaf Trust1,489$270.4K0.00%+24+1.6%Added
Jane Street Group, LLC1,466$266.3K0.00%−22,454−93.9%Reduced
HM Payson & Co1,459$265.0K0.00%+396+37.3%Added
Journey Strategic Wealth LLC1,448$263.0K0.01%+158+12.2%Added
WBI Investments1,425$258.8K0.07%+124+9.5%Added
State of Wyoming1,424$258.6K0.03%+1,070+302.3%Added
Ronald Blue Trust, Inc.1,418$257.6K0.00%−27−1.9%Reduced
Engineers Gate Manager LP1,410$256.1K0.00%+102+7.8%Added
Ritholtz Wealth Management1,398$253.9K0.00%+1,398New
Forum Financial Management, LP1,398$253.9K0.00%+1+0.1%Added
Busey Wealth Management1,395$253.4K0.01%00.0%Unchanged
Worldquant Millennium Advisors LLC1,388$252.1K0.00%−681−32.9%Reduced
Private Advisor Group, LLC1,385$251.5K0.00%+5+0.4%Added
Charter Trust Co1,360$247.0K0.01%00.0%Unchanged
Fifth Third Wealth Advisors LLC1,317$239.2K0.01%+9+0.7%Added
SG Americas Securities, LLC1,303$237.0K0.00%−2,385−64.7%Reduced
Sanctuary Advisors, LLC1,294$235.0K0.00%−54−4.0%Reduced
Sherbrooke Park Advisers LLC1,293$234.8K0.11%−990−43.4%Reduced
Shelton Capital Management1,290$234.3K0.01%00.0%Unchanged
Somerset Trust Co1,286$233.6K0.07%+21+1.7%Added
Savant Capital, LLC1,283$233.0K0.00%+1,283New
Sovereign Financial Group, Inc.1,260$228.9K0.04%00.0%Unchanged
Wetherby Asset Management Inc1,257$228.3K0.01%−4−0.3%Reduced
NorthCrest Asset Manangement, LLC1,226$226.2K0.01%+1,226New
Signaturefd, LLC1,243$225.8K0.00%+30+2.5%Added
Burney Co1,207$219.2K0.01%+1,207New
Johnson Investment Counsel Inc1,203$218.5K0.00%00.0%Unchanged
Crestwood Advisors Group LLC1,200$218.0K0.00%+1,200New
Empowered Funds, LLC1,195$217.0K0.00%+1,195New
Commerce Bank1,175$213.4K0.00%+1,175New
CIBC Asset Management Inc1,163$211.2K0.00%+1,163New
Lantz Financial LLC1,147$208.3K0.05%+1,147New
KBC Group NV1,147$208.0K0.00%+180+18.6%Added
Coldstream Capital Management Inc1,127$204.7K0.00%+1,127New
GTS Securities LLC1,120$203.4K0.01%+1,120New
Investors Research Corp1,100$199.8K0.04%00.0%Unchanged
Tower Research Capital LLC (TRC)1,067$193.8K0.01%−106−9.0%Reduced
Shell Asset Management Co1,055$192.0K0.02%−1,442−57.7%Reduced
Rockefeller Capital Management L.P.1,050$190.7K0.00%+1,050New
Rothschild Investment LLC963$174.9K0.01%+956+13,657.1%Added
Allworth Financial LP866$157.3K0.00%+161+22.8%Added
STRS Ohio856$155.5K0.00%−17,458−95.3%Reduced
Atlantic Union Bankshares Corp820$148.9K0.00%+820New
EverSource Wealth Advisors, LLC811$147.3K0.01%+85+11.7%Added
Advisory Services Network, LLC806$146.5K0.00%+806New
Geneos Wealth Management Inc.754$136.9K0.00%+15+2.0%Added
Quarry LP720$130.8K0.03%+261+56.9%Added
GAMMA Investing LLC671$121.9K0.01%+136+25.4%Added
Huntington National Bank665$120.8K0.00%+85+14.7%Added
Jones Financial Companies LLLP617$110.6K0.00%−57−8.5%Reduced
Icon Wealth Advisors, LLC590$107.2K0.01%+590New
NBC Securities, Inc.562$102.1K0.01%00.0%Unchanged
ORG Partners LLC560$101.7K0.02%00.0%Unchanged
Bessemer Group Inc533$97.0K0.00%+249+87.7%Added
Umb Bank N A500$90.8K0.00%+32+6.8%Added
Farther Finance Advisors, LLC494$89.7K0.00%+6+1.2%Added
Essential Partners LLC475$86.3K0.03%+180+61.0%Added
Millstone Evans Group, LLC439$79.7K0.05%00.0%Unchanged
Heritage Wealth Advisors430$78.1K0.00%00.0%Unchanged
Johnson Financial Group, Inc.428$77.7K0.00%+428New
Danske Bank A/S400$72.7K0.00%00.0%Unchanged
Quent Capital, LLC378$68.7K0.01%+378New
True Wealth Design, LLC371$67.4K0.02%+43+13.1%Added
Versant Capital Management, Inc363$65.9K0.01%+57+18.6%Added
Ci Investments Inc.327$59.0K0.00%−211−39.2%Reduced
Nomura Asset Management Co Ltd320$58.1K0.00%00.0%Unchanged
Financial Perspectives, Inc320$58.1K0.02%00.0%Unchanged
Parkside Financial Bank & Trust236$42.9K0.00%00.0%Unchanged
Abich Financial Wealth Management LLC235$42.7K0.02%+235New
1620 Investment Advisors, Inc.232$42.1K0.03%−2−0.9%Reduced
Whittier Trust Co228$41.9K0.00%+40+21.3%Added
Smartleaf Asset Management LLC225$40.3K0.00%−753−77.0%Reduced
Clearstead Advisors, LLC200$36.3K0.00%+150+300.0%Added
Sound Income Strategies, LLC202$36.3K0.00%+1+0.5%Added
Aster Capital Management (DIFC) Ltd191$34.7K0.02%−2,864−93.7%Reduced
DT Investment Partners, LLC174$31.6K0.00%00.0%Unchanged
Massmutual Trust Co FSB171$31.1K0.00%+5+3.0%Added
Private Trust Co NA168$30.5K0.00%+2+1.2%Added
Atlantic Trust, LLC166$30.2K0.01%+30+22.1%Added
Community Bank, N.A.147$26.7K0.00%+147New
JPL Wealth Management, LLC145$26.3K0.01%+145New
Plante Moran Financial Advisors, LLC144$26.2K0.00%00.0%Unchanged
Bank of New Hampshire140$25.4K0.01%00.0%Unchanged
Alpine Bank Wealth Management139$25.2K0.00%00.0%Unchanged
Steigerwald, Gordon & Koch Inc.125$22.7K0.00%+125New
Root Financial Partners, LLC124$22.5K0.00%+124New
GHP Investment Advisors, Inc.120$21.9K0.00%00.0%Unchanged
Ameriflex Group, Inc.118$21.4K0.01%+118New
Matrix Trust Co115$21.0K0.00%−24−17.3%Reduced
Wealthspire Advisors, LLC115$20.9K0.00%+115New
Assetmark, Inc112$20.3K0.00%+65+138.3%Added
Covestor Ltd112$20.0K0.01%−138−55.2%Reduced
Westside Investment Management, Inc.106$19.2K0.00%+53+100.0%Added
IFP Advisors, Inc104$18.9K0.00%−18−14.8%Reduced