Skip to main content

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
Quantinno Capital Management LP71,033$12.9M0.04%+18,648+35.6%Added
Legal & General Group Plc71,151$12.9M0.00%−4,205−5.6%Reduced
Martingale Asset Management L P77,805$14.1M0.36%+5,669+7.9%Added
T. Rowe Price Investment Management, Inc.77,842$14.1M0.01%−123,925−61.4%Reduced
Principal Financial Group Inc79,458$14.4M0.01%−1,963−2.4%Reduced
JPMorgan Chase & Co80,198$14.6M0.00%+1,568+2.0%Added
Silvercrest Asset Management Group LLC80,337$14.6M0.10%+595+0.7%Added
Aptus Capital Advisors, LLC89,342$16.2M0.15%+11,666+15.0%Added
UBS Group AG94,080$17.1M0.00%+19,084+25.4%Added
Leeward Investments, LLC - MA95,106$17.3M0.88%−2,143−2.2%Reduced
Natixis Advisors, L.P.97,064$17.6M0.03%+2,794+3.0%Added
Russell Investments Group, Ltd.103,325$18.8M0.02%−10,190−9.0%Reduced
Interval Partners, LP107,098$19.5M0.42%+11,908+12.5%Added
Rhumbline Advisers108,499$19.7M0.02%−2,612−2.4%Reduced
Lighthouse Investment Partners, LLC109,193$19.8M0.72%−45,498−29.4%Reduced
Envestnet Asset Management Inc115,700$21.0M0.01%+1,344+1.2%Added
UBS Asset Management Americas Inc116,712$21.2M0.00%−62,880−35.0%Reduced
California Public Employees Retirement System125,965$22.9M0.01%−14,168−10.1%Reduced
Millennium Management LLC128,018$23.3M0.02%−90,279−41.4%Reduced
Public Employees Retirement Association of Colorado128,613$23.4M0.09%00.0%Unchanged
Gotham Asset Management, LLC131,760$23.9M0.10%+14,948+12.8%Added
Altrinsic Global Advisors LLC139,698$25.4M0.94%−2,155−1.5%Reduced
William Blair Investment Management, LLC139,892$25.4M0.07%+139,892New
Goldman Sachs Group Inc168,705$30.6M0.00%−19,520−10.4%Reduced
Boston Trust Walden Corp171,943$31.2M0.23%−826−0.5%Reduced
Adage Capital Partners GP, L.L.C.198,000$36.0M0.06%−360,000−64.5%Reduced
FMR LLC209,132$38.0M0.00%−37,478−15.2%Reduced
Janus Henderson Group PLC209,923$38.1M0.02%−19,042−8.3%Reduced
ProShare Advisors LLC213,676$38.8M0.08%+11,415+5.6%Added
Jacobs Levy Equity Management, Inc217,810$39.6M0.16%−27,672−11.3%Reduced
Brown Advisory Inc250,836$45.6M0.06%−7,625−3.0%Reduced
Qube Research & Technologies Ltd253,394$46.0M0.07%+101,901+67.3%Added
Bank of America Corp259,920$47.2M0.00%+10,656+4.3%Added
Markel Group Inc.SuperinvestorMarkel Group281,000$51.0M0.41%00.0%Unchanged
Balyasny Asset Management LLC292,121$53.1M0.11%+196,655+206.0%Added
Bank of New York Mellon Corp343,833$62.5M0.01%−16,207−4.5%Reduced
Northern Trust Corp355,455$64.6M0.01%−2,312−0.6%Reduced
Morgan Stanley364,643$66.2M0.00%+38,807+11.9%Added
Franklin Resources Inc389,524$70.7M0.02%−521,898−57.3%Reduced
Woodline Partners LP390,551$70.9M0.33%+48,567+14.2%Added
Macquarie Group Ltd423,195$76.9M0.09%−41,243−8.9%Reduced
Charles Schwab Investment Management Inc438,730$79.7M0.01%+26,954+6.5%Added
Invesco Ltd.448,980$81.5M0.01%+165,496+58.4%Added
London Co of Virginia453,942$82.5M0.46%−12,784−2.7%Reduced
Vaughan Nelson Investment Management, L.P.459,540$83.5M0.76%−5,120−1.1%Reduced
Victory Capital Management Inc468,678$85.1M0.05%−131,632−21.9%Reduced
Allspring Global Investments Holdings, LLC562,195$102.0M0.16%−123,447−18.0%Reduced
American Century Companies Inc564,452$102.5M0.05%−93,048−14.2%Reduced
First Trust Advisors LP639,264$116.1M0.09%+141,835+28.5%Added
Ameriprise Financial Inc639,890$116.2M0.03%+88,928+16.1%Added
Geode Capital Management, LLC698,088$126.8M0.01%+16,570+2.4%Added
AQR Capital Management LLC763,431$138.0M0.09%+209,616+37.8%Added
Dimensional Fund Advisors LP790,767$143.6M0.03%+1700.0%Added
Fuller & Thaler Asset Management, Inc.956,455$173.7M0.59%+53,808+6.0%Added
State Street Corp1,238,951$225.0M0.01%−31,422−2.5%Reduced
Alliancebernstein L.P.1,262,719$229.3M0.07%−17,699−1.4%Reduced
Massachusetts Financial Services Co1,265,574$229.9M0.07%−28,953−2.2%Reduced
Price T Rowe Associates Inc1,629,145$295.9M0.03%−66,383−3.9%Reduced
BlackRock, Inc.3,532,717$641.6M0.01%−77,960−2.2%Reduced
Vanguard Group Inc3,702,482$672.5M0.01%−3,798−0.1%Reduced
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