Hanover Insurance Group Inc./THG
13F holders, Q4 2025 (December 31)496holders +36
56new positions
34sold out
7famous investors
$182.71avg. 13F price*
At the end of Q4 2025, 496 institutions reported holding Hanover Insurance Group Inc./ (THG) in their 13F filings, up 36 from Q3 2025. 56 opened new positions and 34 sold out. The largest holders were Vanguard Group Inc. ($669.0M), BlackRock, Inc. ($654.2M) and T. Rowe Price Associates Inc. ($266.3M). 7 famous investors held it, including Tom Gayner (0.4% of Markel Group's portfolio), Cliff Asness (0.1% of AQR Capital Management's portfolio) and Joel Greenblatt (0.1% of Gotham Asset Management's portfolio).
- Company
- Hanover Insurance Group Inc./
- CUSIP
- 410867105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 56 | $36.1M |
| Exits | 34 | $99.4M |
All 13F filers, Q3 2025 → Q4 2025: 1,931,040 shares bought and 2,502,443 shares sold, net −571,403 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 496 holders
| Vanguard Group Inc. | 0.01% | Reduce -1.1% | 3,660,213 | $669.0M |
| BlackRock, Inc. | 0.01% | Add +1.3% | 3,579,509 | $654.2M |
| T. Rowe Price Associates Inc. | 0.03% | Reduce -10.6% | 1,456,954 | $266.3M |
| Massachusetts Financial Services Co. | 0.07% | Reduce -3.9% | 1,216,240 | $222.3M |
| State Street Corp. | 0.01% | Reduce -3.2% | 1,199,391 | $219.2M |
| Alliancebernstein L.P. | 0.06% | Reduce -14.7% | 1,077,036 | $196.8M |
| Fuller & Thaler Asset Management, Inc. | 0.59% | Reduce -0.2% | 954,272 | $174.4M |
| AQR Capital Management | 0.09% | Add +24.9% | 953,781 | $174.3M |
| Dimensional Fund Advisors LP | 0.03% | Add +5.4% | 833,179 | $152.3M |
| First Trust Advisors LP | 0.11% | Add +25.4% | 801,375 | $146.5M |
| Geode Capital Management, LLC | 0.01% | Add +4.3% | 727,958 | $133.1M |
| American Century Companies Inc. | 0.07% | Add +25.7% | 709,698 | $129.7M |
| Invesco Ltd. | 0.01% | Add +44.1% | 646,910 | $118.2M |
| Ameriprise Financial Inc. | 0.03% | Reduce -0.6% | 636,159 | $116.3M |
| Norges Bank | 0.01% | — | 458,591 | $83.8M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +4.5% | 458,367 | $83.8M |
| Vaughan Nelson Investment Management, L.P. | 0.78% | Reduce -4.8% | 437,430 | $79.9M |
| Qube Research & Technologies Ltd | 0.11% | Add +67.5% | 424,363 | $77.6M |
| Allspring Global Investments Holdings, LLC | 0.13% | Reduce -23.2% | 431,557 | $77.3M |
| Morgan Stanley | 0.00% | Add +10.4% | 402,613 | $73.6M |
| London Co. of Virginia | 0.41% | Reduce -13.8% | 391,468 | $71.6M |
| Victory Capital Management Inc. | 0.04% | Reduce -16.9% | 389,454 | $71.2M |
| Nomura Asset Management International Inc. | 0.10% | — | 361,133 | $66.0M |
| Northern Trust Corp. | 0.01% | Reduce -5.8% | 334,888 | $61.2M |
| Bank of New York Mellon Corp | 0.01% | Reduce -3.0% | 333,651 | $61.0M |
| Markel Group | 0.41% | No change | 281,000 | $51.4M |
| Franklin Resources Inc. | 0.01% | Reduce -35.4% | 251,672 | $46.0M |
| Woodline Partners LP | 0.17% | Reduce -37.1% | 245,541 | $44.9M |
| Balyasny Asset Management L.P. | 0.08% | Reduce -20.2% | 233,091 | $42.6M |
| Bank of America Corp. | 0.00% | Reduce -12.2% | 228,152 | $41.7M |
| Jacobs Levy Equity Management, Inc. | 0.16% | Add +3.4% | 225,126 | $41.1M |
| ProShare Advisors LLC | 0.06% | Reduce -12.0% | 187,984 | $34.4M |
| Brown Advisory Inc. | 0.05% | Reduce -26.7% | 183,815 | $33.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +7.8% | 181,838 | $33.2M |
| Boston Trust Walden Corp | 0.23% | Reduce -0.9% | 170,347 | $31.1M |
| Millennium Management | 0.02% | Add +32.0% | 168,994 | $30.9M |
| UBS Group AG | 0.01% | Add +58.7% | 149,300 | $27.3M |
| William Blair Investment Management, LLC | 0.08% | Add +6.7% | 149,219 | $27.3M |
| Lighthouse Investment Partners, LLC | 0.86% | Add +28.8% | 140,630 | $25.7M |
| Interval Partners, LP | 0.59% | Add +29.2% | 138,385 | $25.3M |
| Altrinsic Global Advisors LLC | 0.90% | Reduce -1.8% | 137,168 | $25.1M |
| Gotham Asset Management | 0.09% | Add +1.3% | 133,428 | $24.4M |
| Arbejdsmarkedets Tillaegspension | 0.61% | — | 129,967 | $23.8M |
| Public Employees Retirement Association of Colorado | 0.09% | No change | 128,613 | $23.5M |
| Janus Henderson Group PLC | 0.01% | Reduce -44.3% | 116,871 | $21.4M |
| Envestnet Asset Management Inc. | 0.01% | Reduce -5.8% | 109,028 | $19.9M |
| California Public Employees Retirement System | 0.01% | Reduce -15.9% | 105,987 | $19.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -10.1% | 104,929 | $19.2M |
| Rhumbline Advisers | 0.02% | Reduce -3.9% | 104,317 | $19.1M |
| Quantinno Capital Management LP | 0.04% | Add +44.4% | 102,567 | $18.7M |
| FMR LLC | 0.00% | Reduce -52.9% | 98,498 | $18.0M |
| Russell Investments Group, Ltd. | 0.02% | Reduce -7.8% | 95,312 | $17.4M |
| Leeward Investments, LLC - MA | 0.88% | Reduce -0.5% | 94,651 | $17.3M |
| Natixis Advisors, LLC | 0.02% | Reduce -4.6% | 92,612 | $16.9M |
| Aptus Capital Advisors, LLC | 0.14% | Add +0.5% | 89,804 | $16.4M |
| Barclays PLC | 0.01% | Add +42.1% | 83,987 | $15.4M |
| Silvercrest Asset Management Group LLC | 0.10% | Reduce -1.5% | 79,106 | $14.5M |
| Martingale Asset Management L P | 0.37% | Add +1.2% | 78,747 | $14.4M |
| Principal Financial Group Inc. | 0.01% | Reduce -3.6% | 76,554 | $14.0M |
| JPMorgan Chase & Co. | 0.00% | Reduce -5.3% | 75,927 | $13.9M |
| Sei Investments Co. | 0.01% | Add +15.6% | 72,803 | $13.3M |
| Gillson Capital LP | 0.85% | Add +54.1% | 70,889 | $13.0M |
| Swiss National Bank | 0.01% | Add +1.4% | 70,600 | $12.9M |
| Adage Capital Partners Gp, L.L.C. | 0.02% | Reduce -65.7% | 68,000 | $12.4M |
| T. Rowe Price Investment Management, Inc. | 0.01% | Reduce -16.3% | 65,120 | $11.9M |
| Voya Investment Management LLC | 0.01% | Add +1.4% | 63,796 | $11.7M |
| Acadian Asset Management LLC | 0.02% | Add +3.2% | 62,936 | $11.5M |
| Hancock Whitney Corp. | 0.19% | Add +6.4% | 58,598 | $10.7M |
| Crawford Investment Counsel Inc. | 0.18% | Reduce -2.2% | 58,567 | $10.7M |
| Schonfeld Strategic Advisors LLC | 0.05% | Add +64.0% | 58,275 | $10.7M |
| Nordea Investment Management AB | 0.01% | Reduce -11.1% | 57,422 | $10.5M |
| Legal & General Group Plc | 0.00% | Reduce -21.0% | 56,223 | $10.3M |
| Channing Capital Management, LLC | 0.26% | Reduce -18.3% | 56,086 | $10.3M |
| Hotchkis & Wiley Capital Management LLC | 0.03% | Reduce -0.5% | 55,265 | $10.1M |
| Ieq Capital, LLC | 0.03% | Add +25.9% | 53,614 | $9.8M |
| New York State Teachers Retirement System | 0.02% | Reduce -1.0% | 52,312 | $9.6M |
| Trexquant Investment LP | 0.08% | Add +5.0% | 51,790 | $9.5M |
| Nuveen, LLC | 0.00% | Add +2.5% | 50,502 | $9.2M |
| Teacher Retirement System of Texas | 0.03% | Add +1.9% | 48,982 | $9.0M |
| Susquehanna International Group, LLP | 0.01% | Add +2578.3% | 46,871 | $8.6M |
| Citadel Advisors | 0.01% | Add +789.8% | 46,020 | $8.4M |
| Hennessy Advisors Inc. | 0.29% | Reduce -6.3% | 44,900 | $8.2M |
| Hodges Capital Management Inc. | 0.68% | Reduce -6.2% | 43,008 | $7.9M |
| Heartland Advisors Inc. | 0.42% | Reduce -0.0% | 42,869 | $7.8M |
| Retirement Systems of Alabama | 0.03% | Reduce -1.3% | 42,707 | $7.8M |
| Congress Asset Management Co. | 0.05% | Reduce -2.5% | 42,635 | $7.8M |
| Northwest & Ethical Investments L.P. | 0.17% | Reduce -3.8% | 42,352 | $7.7M |
| Raymond James Financial Inc. | 0.00% | Add +7.2% | 39,902 | $7.3M |
| Amundi | 0.00% | Add +17.5% | 38,776 | $7.1M |
| FJ Capital Management LLC | 0.76% | Reduce -43.1% | 37,427 | $6.8M |
| Primecap Management Co. | 0.01% | New | 36,900 | $6.7M |
| Vest Financial, LLC | 0.08% | Add +48.1% | 33,567 | $6.1M |
| California State Teachers Retirement System | 0.01% | Reduce -0.2% | 33,211 | $6.1M |
| Trillium Asset Management, LLC | 0.18% | Reduce -16.5% | 31,525 | $6.0M |
| Cerity Partners LLC | 0.01% | Add +45.2% | 30,940 | $5.7M |
| Creative Planning | 0.00% | Add +27.4% | 30,934 | $5.7M |
| HSBC Holdings PLC | 0.00% | Add +96.6% | 29,787 | $5.5M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | New | 29,000 | $5.3M |
| Peregrine Capital Management LLC | 0.15% | Reduce -4.7% | 27,499 | $5.0M |
| Intech Investment Management LLC | 0.04% | New | 26,950 | $4.9M |
"% of holder's portfolio" is THG's weight in each manager's 13F, not the share of Hanover Insurance Group Inc./ the manager owns.