Hanover Insurance Group Inc./THG
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 437 institutions reported holding Hanover Insurance Group Inc./ (THG) in their 13F filings, up 32 from Q4 2024. 71 opened new positions and 39 sold out. The largest holders were BlackRock, Inc. ($642.7M), Vanguard Group Inc. ($632.3M) and Massachusetts Financial Services Co. ($238.3M). 8 famous investors held it, including Tom Gayner (0.4% of Markel Group's portfolio), Joel Greenblatt (0.1% of Gotham Asset Management's portfolio) and Cliff Asness (0.1% of AQR Capital Management's portfolio).
- Company
- Hanover Insurance Group Inc./
- CUSIP
- 410867105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 71 | $141.7M |
| Exits | 39 | $40.6M |
All 13F filers, Q4 2024 → Q1 2025: 2,766,868 shares bought and 2,265,807 shares sold, net +501,061 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 437 holders
| BlackRock, Inc. | 0.01% | Add +8.5% | 3,694,642 | $642.7M |
| Vanguard Group Inc. | 0.01% | Add +0.6% | 3,635,173 | $632.3M |
| Massachusetts Financial Services Co. | 0.08% | Reduce -8.0% | 1,369,740 | $238.3M |
| T. Rowe Price Associates Inc. | 0.03% | Add +0.2% | 1,283,395 | $223.2M |
| State Street Corp. | 0.01% | Reduce -1.5% | 1,267,423 | $220.5M |
| Franklin Resources Inc. | 0.06% | Add +2.0% | 1,242,029 | $216.1M |
| Alliancebernstein L.P. | 0.06% | Add +9.3% | 940,522 | $163.6M |
| Fuller & Thaler Asset Management, Inc. | 0.61% | Add +45.1% | 907,760 | $157.9M |
| Dimensional Fund Advisors LP | 0.03% | Add +0.1% | 785,216 | $136.6M |
| Allspring Global Investments Holdings, LLC | 0.23% | Reduce -23.3% | 754,797 | $132.1M |
| T. Rowe Price Investment Management, Inc. | 0.08% | Reduce -33.7% | 721,093 | $125.4M |
| American Century Companies Inc. | 0.07% | Reduce -28.2% | 688,203 | $119.7M |
| Geode Capital Management, LLC | 0.01% | Add +4.9% | 683,354 | $118.9M |
| Victory Capital Management Inc. | 0.11% | Reduce -19.0% | 632,026 | $109.9M |
| Ameriprise Financial Inc. | 0.03% | Reduce -17.6% | 545,817 | $94.9M |
| London Co. of Virginia | 0.47% | Reduce -0.1% | 469,362 | $81.6M |
| Macquarie Group Ltd. | 0.10% | Reduce -5.2% | 463,161 | $80.6M |
| AQR Capital Management | 0.08% | Add +59.3% | 457,809 | $79.0M |
| Norges Bank | 0.01% | Add +0.9% | 443,007 | $77.1M |
| First Trust Advisors LP | 0.06% | Add +41.3% | 413,941 | $72.0M |
| Morgan Stanley | 0.01% | Reduce -9.2% | 411,047 | $71.5M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +5.9% | 389,634 | $67.8M |
| Vaughan Nelson Investment Management, L.P. | 0.64% | New | 369,880 | $64.3M |
| Adage Capital Partners Gp, L.L.C. | 0.12% | Add +26.3% | 365,000 | $63.5M |
| Northern Trust Corp. | 0.01% | Reduce -6.9% | 357,295 | $62.2M |
| Woodline Partners LP | 0.39% | Add +166.7% | 346,275 | $60.2M |
| Bank of New York Mellon Corp | 0.01% | Reduce -1.1% | 345,399 | $60.1M |
| Boston Trust Walden Corp | 0.44% | Reduce -1.8% | 345,374 | $60.1M |
| Jacobs Levy Equity Management, Inc. | 0.22% | Reduce -2.7% | 315,886 | $54.9M |
| Markel Group | 0.43% | Add +4.9% | 280,000 | $48.7M |
| Brown Advisory Inc. | 0.07% | Reduce -2.0% | 275,629 | $47.9M |
| Invesco Ltd. | 0.01% | Reduce -11.9% | 263,190 | $45.8M |
| Janus Henderson Group PLC | 0.02% | Reduce -0.3% | 243,882 | $42.1M |
| Bank of America Corp. | 0.00% | Add +35.6% | 239,117 | $41.6M |
| Goldman Sachs Group Inc. | 0.01% | Add +21.6% | 218,753 | $38.1M |
| ProShare Advisors LLC | 0.08% | Reduce -10.3% | 199,068 | $34.6M |
| FMR LLC | 0.00% | Add +3.6% | 178,622 | $31.1M |
| Altrinsic Global Advisors LLC | 1.45% | Reduce -20.5% | 168,359 | $29.3M |
| California Public Employees Retirement System | 0.02% | Reduce -1.8% | 156,043 | $27.1M |
| Qube Research & Technologies Ltd | 0.04% | Reduce -23.2% | 136,754 | $23.8M |
| Leeward Investments, LLC - MA | 1.26% | Reduce -4.5% | 136,305 | $23.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +6.4% | 129,031 | $22.4M |
| Public Employees Retirement Association of Colorado | 0.10% | No change | 128,613 | $22.4M |
| Lighthouse Investment Partners, LLC | 0.94% | Add +21.3% | 118,734 | $20.7M |
| Lazard Asset Management LLC | 0.03% | Add +3.7% | 113,408 | $19.7M |
| Envestnet Asset Management Inc. | 0.01% | Add +7.3% | 112,632 | $19.6M |
| Sei Investments Co. | 0.03% | Reduce -26.4% | 112,289 | $19.5M |
| Rhumbline Advisers | 0.02% | Add +0.6% | 111,541 | $19.4M |
| Russell Investments Group, Ltd. | 0.03% | Reduce -10.7% | 109,251 | $19.0M |
| Interval Partners, LP | 0.56% | Reduce -5.8% | 91,227 | $15.9M |
| Millennium Management | 0.02% | Add +61.0% | 88,367 | $15.4M |
| Silvercrest Asset Management Group LLC | 0.11% | Add +0.3% | 84,425 | $14.7M |
| Gotham Asset Management | 0.12% | Add +22.6% | 82,958 | $14.4M |
| Principal Financial Group Inc. | 0.01% | Add +0.3% | 82,886 | $14.4M |
| Freestone Grove Partners LP | 0.15% | New | 82,313 | $14.3M |
| Natixis Advisors, LLC | 0.03% | Add +609.9% | 78,574 | $13.7M |
| UBS Group AG | 0.00% | Add +279.6% | 73,716 | $12.8M |
| Legal & General Group Plc | 0.00% | Add +1.7% | 72,969 | $12.7M |
| Aptus Capital Advisors, LLC | 0.14% | Add +12.8% | 70,832 | $12.3M |
| Crawford Investment Counsel Inc. | 0.22% | Reduce -4.9% | 70,594 | $12.3M |
| Swiss National Bank | 0.01% | Reduce -1.3% | 69,800 | $12.1M |
| Acadian Asset Management LLC | 0.03% | Add +149.0% | 67,255 | $11.7M |
| JPMorgan Chase & Co. | 0.00% | Reduce -13.2% | 63,149 | $11.0M |
| Nuveen, LLC | 0.00% | — | 62,558 | $10.9M |
| Nordea Investment Management AB | 0.01% | Reduce -1.3% | 61,466 | $10.7M |
| Heartland Advisors Inc. | 0.61% | Reduce -4.4% | 61,556 | $10.7M |
| Hotchkis & Wiley Capital Management LLC | 0.03% | Reduce -36.2% | 59,835 | $10.4M |
| Voya Investment Management LLC | 0.01% | Add +94.2% | 59,699 | $10.4M |
| Trexquant Investment LP | 0.11% | Reduce -3.9% | 55,081 | $9.6M |
| NFJ Investment Group, LLC | 0.31% | Add +18.3% | 53,452 | $9.3M |
| Hancock Whitney Corp. | 0.30% | New | 52,358 | $9.1M |
| Trillium Asset Management, LLC | 0.25% | Reduce -2.1% | 50,600 | $8.8M |
| New York State Teachers Retirement System | 0.02% | Reduce -0.2% | 49,107 | $8.5M |
| Sterling Capital Management LLC | 0.13% | Add +0.3% | 48,985 | $8.5M |
| Teacher Retirement System of Texas | 0.03% | Reduce -30.7% | 45,835 | $8.0M |
| Congress Asset Management Co. | 0.06% | Reduce -4.1% | 44,212 | $7.7M |
| Retirement Systems of Alabama | 0.03% | Add +0.1% | 43,856 | $7.6M |
| Hodges Capital Management Inc. | 0.76% | Reduce -42.9% | 43,698 | $7.6M |
| Quantinno Capital Management LP | 0.05% | Add +128.6% | 43,517 | $7.6M |
| Raymond James Financial Inc. | 0.00% | Reduce -21.9% | 43,510 | $7.6M |
| Corebridge Financial, Inc. | 0.04% | Reduce -2.4% | 39,797 | $6.9M |
| Channing Capital Management, LLC | 0.21% | Reduce -47.5% | 39,525 | $6.9M |
| Martingale Asset Management L P | 0.16% | Add +118.9% | 36,238 | $6.3M |
| Peregrine Capital Management LLC | 0.20% | Reduce -5.2% | 34,979 | $6.1M |
| California State Teachers Retirement System | 0.01% | Reduce -1.1% | 33,265 | $5.8M |
| New Age Alpha Advisors, LLC | 0.25% | New | 32,589 | $5.7M |
| Barclays PLC | 0.00% | Reduce -7.3% | 32,267 | $5.6M |
| Bridgewater Associates | 0.02% | Add +263.9% | 30,898 | $5.4M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -0.8% | 29,327 | $5.1M |
| Pathstone Holdings, LLC | 0.02% | Add +6.0% | 28,411 | $4.9M |
| State Board of Administration of Florida Retirement System | 0.01% | No change | 24,646 | $4.3M |
| Wedge Capital Management L L P | 0.08% | Reduce -23.7% | 24,643 | $4.3M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.01% | No change | 24,415 | $4.2M |
| Goelzer Investment Management, Inc. | 0.25% | Reduce -0.3% | 24,344 | $4.2M |
| Informed Momentum Co LLC | 0.71% | New | 23,711 | $4.1M |
| CANADA LIFE ASSURANCE Co | 0.01% | Reduce -11.4% | 23,114 | $4.0M |
| Hantz Financial Services, Inc. | 0.07% | Add +12.5% | 23,039 | $4.0M |
| Wells Fargo & Company | 0.00% | Reduce -3.4% | 22,834 | $4.0M |
| Alaska Permanent Fund Corp | 0.05% | No change | 23,388 | $3.9M |
| Comerica Bank | 0.02% | Reduce -28.8% | 22,227 | $3.9M |
"% of holder's portfolio" is THG's weight in each manager's 13F, not the share of Hanover Insurance Group Inc./ the manager owns.