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, Q1 2026
Institutional positions in Hanover Insurance Group, Inc. as of Mar 31, 2026. 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
- 507
- +20 vs. Q4 2025
- Shares held
- 31.3M
- +3.72M (+13.5%) vs. Q4 2025
- Total value
- $5.44B
- +$394.7M (+7.8%) vs. Q4 2025
- New holders
- 67
- 200 more added
- Sold out
- 47
- 153 more reduced
9 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 547 | $6.84B |
| Q1 2026 | 507 | $5.44B |
| Q4 2025 | 496 | $5.81B |
| Q3 2025 | 460 | $5.70B |
| Q2 2025 | 433 | $5.48B |
| Q1 2025 | 437 | $5.60B |
| Q4 2024 | 405 | $4.90B |
| Q3 2024 | 377 | $4.65B |
| Q2 2024 | 369 | $3.95B |
| Q1 2024 | 347 | $4.27B |
| Q4 2023 | 343 | $3.77B |
| Q3 2023 | 335 | $3.48B |
| Q2 2023 | 337 | $3.47B |
| Q1 2023 | 350 | $3.97B |
| Q4 2022 | 356 | $4.19B |
| Q3 2022 | 332 | $3.99B |
| Q2 2022 | 356 | $4.48B |
| Q1 2022 | 358 | $4.53B |
| Q4 2021 | 352 | $3.95B |
| Q3 2021 | 325 | $3.91B |
| Q2 2021 | 328 | $4.16B |
| Q1 2021 | 351 | $4.03B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Hanover Insurance Group, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| American Century Companies Inc | 1,002,527 | $173.8M | 0.09% | +292,829+41.3% | Added |
| AQR Capital Management LLC | 1,013,395 | $175.4M | 0.08% | +59,614+6.3% | Added |
| Price T Rowe Associates Inc | 1,384,142 | $239.9M | 0.03% | −72,812−5.0% | Reduced |
| Vanguard Capital Management LLC | 1,452,355 | $251.8M | 0.01% | +1,452,355 | New |
| State Street Corp | 1,631,422 | $282.8M | 0.01% | +432,031+36.0% | Added |
| Vanguard Portfolio Management LLC | 1,932,460 | $335.0M | 0.02% | +1,932,460 | New |
| BlackRock, Inc. | 3,681,166 | $638.1M | 0.01% | +101,657+2.8% | Added |
| Channing Capital Management, LLC | 0 | $0 | 0.00% | −56,086−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −46,871−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −29,000−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −18,257−100.0% | Sold out |
| Oppenheimer & Co Inc | 0 | $0 | 0.00% | −16,696−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −16,323−100.0% | Sold out |
| Mubadala Investment Co PJSC | 0 | $0 | 0.00% | −14,812−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −13,434−100.0% | Sold out |
| Castlekeep Investment Advisors LLC | 0 | $0 | 0.00% | −9,811−100.0% | Sold out |
| Expect Equity LLC | 0 | $0 | 0.00% | −9,704−100.0% | Sold out |
| Legato Capital Management LLC | 0 | $0 | 0.00% | −6,774−100.0% | Sold out |
| Dockside LLC | 0 | $0 | 0.00% | −6,704−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −5,306−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −4,855−100.0% | Sold out |
| Farringdon Capital, Ltd. | 0 | $0 | 0.00% | −3,816−100.0% | Sold out |
| Aviva PLC | 0 | $0 | 0.00% | −3,384−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −2,548−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Keybank National Association | 0 | $0 | 0.00% | −2,417−100.0% | Sold out |
| Massar Capital Management, LP | 0 | $0 | 0.00% | −2,024−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −1,978−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −1,865−100.0% | Sold out |
| Forum Financial Management, LP | 0 | $0 | 0.00% | −1,398−100.0% | Sold out |
| North Dakota State Investment Board | 0 | $0 | 0.00% | −1,267−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −1,184−100.0% | Sold out |
| Stephens Inc | 0 | $0 | 0.00% | −1,165−100.0% | Sold out |
| Sivia Capital Partners, LLC | 0 | $0 | 0.00% | −1,156−100.0% | Sold out |
| RMB Capital Management, LLC | 0 | $0 | 0.00% | −1,126−100.0% | Sold out |
| Bellecapital International Ltd. | 0 | $0 | 0.00% | −1,122−100.0% | Sold out |
| DGS Capital Management, LLC | 0 | $0 | 0.00% | −1,103−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −900−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −629−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Plante Moran Financial Advisors, LLC | 0 | $0 | 0.00% | −144−100.0% | Sold out |
| Elyxium Wealth, LLC | 0 | $0 | 0.00% | −103−100.0% | Sold out |
| Icon Advisers Inc | 0 | $0 | 0.00% | −70−100.0% | Sold out |
| Caitlin John, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| McIlrath & Eck, LLC | 0 | $0 | 0.00% | −27−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| WealthCollab, LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| SBI Securities Co., Ltd. | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Activest Wealth Management | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Optima Capital LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Cornerstone Financial Management LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Dunhill Financial, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| QSV Equity Investors LLC | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| NDVR, Inc. | – | – | – | – | Not filed |
| ORG Partners LLC | – | – | – | – | Not filed |
| GPS Wealth Strategies Group, LLC | – | – | – | – | Not filed |