Hanover Insurance Group Inc./THG
13F holders, Q3 2025 (September 30)460holders +27
63new positions
34sold out
7famous investors
$181.60avg. 13F price*
At the end of Q3 2025, 460 institutions reported holding Hanover Insurance Group Inc./ (THG) in their 13F filings, up 27 from Q2 2025. 63 opened new positions and 34 sold out. The largest holders were Vanguard Group Inc. ($672.5M), BlackRock, Inc. ($641.6M) and T. Rowe Price Associates Inc. ($295.9M). 7 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 Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 63 | $69.5M |
| Exits | 34 | $19.3M |
All 13F filers, Q2 2025 → Q3 2025: 1,964,514 shares bought and 2,399,234 shares sold, net −434,720 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 460 holders
| Vanguard Group Inc. | 0.01% | Reduce -0.1% | 3,702,482 | $672.5M |
| BlackRock, Inc. | 0.01% | Reduce -2.2% | 3,532,717 | $641.6M |
| T. Rowe Price Associates Inc. | 0.03% | Reduce -3.9% | 1,629,145 | $295.9M |
| Massachusetts Financial Services Co. | 0.07% | Reduce -2.2% | 1,265,574 | $229.9M |
| Alliancebernstein L.P. | 0.07% | Reduce -1.4% | 1,262,719 | $229.3M |
| State Street Corp. | 0.01% | Reduce -2.5% | 1,238,951 | $225.0M |
| Fuller & Thaler Asset Management, Inc. | 0.59% | Add +6.0% | 956,455 | $173.7M |
| Dimensional Fund Advisors LP | 0.03% | Add +0.0% | 790,767 | $143.6M |
| AQR Capital Management | 0.09% | Add +37.9% | 763,431 | $138.0M |
| Geode Capital Management, LLC | 0.01% | Add +2.4% | 698,088 | $126.8M |
| Ameriprise Financial Inc. | 0.03% | Add +16.1% | 639,890 | $116.2M |
| First Trust Advisors LP | 0.09% | Add +28.5% | 639,264 | $116.1M |
| American Century Companies Inc. | 0.05% | Reduce -14.2% | 564,452 | $102.5M |
| Allspring Global Investments Holdings, LLC | 0.16% | Reduce -18.0% | 562,195 | $102.0M |
| Victory Capital Management Inc. | 0.05% | Reduce -21.9% | 468,678 | $85.1M |
| Vaughan Nelson Investment Management, L.P. | 0.76% | Reduce -1.1% | 459,540 | $83.5M |
| London Co. of Virginia | 0.46% | Reduce -2.7% | 453,942 | $82.5M |
| Invesco Ltd. | 0.01% | Add +58.4% | 448,980 | $81.5M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +6.5% | 438,730 | $79.7M |
| Macquarie Group Ltd. | 0.09% | Reduce -8.9% | 423,195 | $76.9M |
| Woodline Partners LP | 0.33% | Add +14.2% | 390,551 | $70.9M |
| Franklin Resources Inc. | 0.02% | Reduce -57.3% | 389,524 | $70.7M |
| Morgan Stanley | 0.00% | Add +11.9% | 364,643 | $66.2M |
| Northern Trust Corp. | 0.01% | Reduce -0.7% | 355,455 | $64.6M |
| Bank of New York Mellon Corp | 0.01% | Reduce -4.5% | 343,833 | $62.5M |
| Balyasny Asset Management L.P. | 0.11% | Add +206.0% | 292,121 | $53.1M |
| Markel Group | 0.41% | No change | 281,000 | $51.0M |
| Bank of America Corp. | 0.00% | Add +4.3% | 259,920 | $47.2M |
| Qube Research & Technologies Ltd | 0.07% | Add +67.3% | 253,394 | $46.0M |
| Brown Advisory Inc. | 0.06% | Reduce -3.0% | 250,836 | $45.6M |
| Jacobs Levy Equity Management, Inc. | 0.16% | Reduce -11.3% | 217,810 | $39.6M |
| ProShare Advisors LLC | 0.08% | Add +5.6% | 213,676 | $38.8M |
| Janus Henderson Group PLC | 0.02% | Reduce -8.3% | 209,923 | $38.1M |
| FMR LLC | 0.00% | Reduce -15.2% | 209,132 | $38.0M |
| Adage Capital Partners Gp, L.L.C. | 0.06% | Reduce -64.5% | 198,000 | $36.0M |
| Boston Trust Walden Corp | 0.23% | Reduce -0.5% | 171,943 | $31.2M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -10.4% | 168,705 | $30.6M |
| William Blair Investment Management, LLC | 0.07% | New | 139,892 | $25.4M |
| Altrinsic Global Advisors LLC | 0.94% | Reduce -1.5% | 139,698 | $25.4M |
| Gotham Asset Management | 0.10% | Add +12.8% | 131,760 | $23.9M |
| Public Employees Retirement Association of Colorado | 0.09% | No change | 128,613 | $23.4M |
| Millennium Management | 0.02% | Reduce -41.4% | 128,018 | $23.3M |
| California Public Employees Retirement System | 0.01% | Reduce -10.1% | 125,965 | $22.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -35.0% | 116,712 | $21.2M |
| Envestnet Asset Management Inc. | 0.01% | Add +1.2% | 115,700 | $21.0M |
| Lighthouse Investment Partners, LLC | 0.72% | Reduce -29.4% | 109,193 | $19.8M |
| Rhumbline Advisers | 0.02% | Reduce -2.4% | 108,499 | $19.7M |
| Interval Partners, LP | 0.42% | Add +12.5% | 107,098 | $19.5M |
| Russell Investments Group, Ltd. | 0.02% | Reduce -9.0% | 103,325 | $18.8M |
| Natixis Advisors, LLC | 0.03% | Add +3.0% | 97,064 | $17.6M |
| Leeward Investments, LLC - MA | 0.88% | Reduce -2.2% | 95,106 | $17.3M |
| UBS Group AG | 0.00% | Add +25.4% | 94,080 | $17.1M |
| Aptus Capital Advisors, LLC | 0.15% | Add +15.0% | 89,342 | $16.2M |
| Silvercrest Asset Management Group LLC | 0.10% | Add +0.8% | 80,337 | $14.6M |
| JPMorgan Chase & Co. | 0.00% | Add +2.0% | 80,198 | $14.6M |
| Principal Financial Group Inc. | 0.01% | Reduce -2.4% | 79,458 | $14.4M |
| T. Rowe Price Investment Management, Inc. | 0.01% | Reduce -61.4% | 77,842 | $14.1M |
| Martingale Asset Management L P | 0.36% | Add +7.9% | 77,805 | $14.1M |
| Legal & General Group Plc | 0.00% | Reduce -5.6% | 71,151 | $12.9M |
| Quantinno Capital Management LP | 0.04% | Add +35.6% | 71,033 | $12.9M |
| Swiss National Bank | 0.01% | Add +1.2% | 69,600 | $12.6M |
| Channing Capital Management, LLC | 0.33% | Add +73.6% | 68,641 | $12.5M |
| FJ Capital Management LLC | 1.28% | Add +139.1% | 65,817 | $12.0M |
| Nordea Investment Management AB | 0.01% | Add +5.0% | 64,569 | $11.6M |
| Sei Investments Co. | 0.01% | Reduce -0.3% | 62,972 | $11.4M |
| Voya Investment Management LLC | 0.01% | Reduce -14.0% | 62,949 | $11.4M |
| Acadian Asset Management LLC | 0.02% | Reduce -17.3% | 61,003 | $11.1M |
| Crawford Investment Counsel Inc. | 0.18% | Reduce -4.1% | 59,886 | $10.9M |
| Barclays PLC | 0.00% | Add +72.6% | 59,090 | $10.7M |
| Hotchkis & Wiley Capital Management LLC | 0.03% | Reduce -24.6% | 55,545 | $10.1M |
| Hancock Whitney Corp. | 0.18% | Reduce -2.3% | 55,058 | $10.0M |
| New York State Teachers Retirement System | 0.02% | Add +0.6% | 52,863 | $9.6M |
| Freestone Grove Partners LP | 0.07% | New | 50,530 | $9.2M |
| Trexquant Investment LP | 0.09% | Add +96.9% | 49,316 | $9.0M |
| Nuveen, LLC | 0.00% | Reduce -0.0% | 49,250 | $8.9M |
| Teacher Retirement System of Texas | 0.04% | Add +0.5% | 48,060 | $8.7M |
| Hennessy Advisors Inc. | 0.30% | Reduce -7.3% | 47,900 | $8.7M |
| Bridgewater Associates | 0.03% | Add +14.1% | 46,495 | $8.4M |
| Gillson Capital LP | 0.73% | Add +268.0% | 46,009 | $8.4M |
| Hodges Capital Management Inc. | 0.71% | Add +14.1% | 45,864 | $8.3M |
| Northwest & Ethical Investments L.P. | 0.19% | No change | 44,022 | $8.0M |
| Congress Asset Management Co. | 0.05% | Reduce -1.1% | 43,732 | $7.9M |
| Retirement Systems of Alabama | 0.03% | Reduce -1.5% | 43,250 | $7.9M |
| Heartland Advisors Inc. | 0.41% | Reduce -10.9% | 42,876 | $7.8M |
| Ieq Capital, LLC | 0.02% | Add +114.2% | 42,578 | $7.7M |
| Trillium Asset Management, LLC | 0.18% | Reduce -21.7% | 37,749 | $6.9M |
| Raymond James Financial Inc. | 0.00% | Add +1.2% | 37,222 | $6.8M |
| Schonfeld Strategic Advisors LLC | 0.05% | Add +72.9% | 35,527 | $6.5M |
| Amundi | 0.00% | New | 33,010 | $6.1M |
| California State Teachers Retirement System | 0.01% | Add +0.0% | 33,267 | $6.0M |
| Sterling Capital Management LLC | 0.08% | Reduce -39.4% | 31,474 | $5.7M |
| Weiss Asset Management LP | 0.10% | New | 31,407 | $5.7M |
| New Age Alpha Advisors, LLC | 0.24% | Reduce -2.7% | 31,204 | $5.7M |
| Two Sigma Investments, LP | 0.01% | Add +165.8% | 31,015 | $5.6M |
| Peregrine Capital Management LLC | 0.16% | Reduce -0.3% | 28,864 | $5.2M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -3.7% | 26,619 | $4.8M |
| Boston Partners | 0.00% | Reduce -24.3% | 26,400 | $4.8M |
| Pathstone Holdings, LLC | 0.02% | Reduce -1.4% | 25,548 | $4.6M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.01% | No change | 24,765 | $4.5M |
| Creative Planning | 0.00% | Add +30.8% | 24,286 | $4.4M |
"% of holder's portfolio" is THG's weight in each manager's 13F, not the share of Hanover Insurance Group Inc./ the manager owns.