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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,681,166 | $638.1M | 0.01% | +101,657+2.8% | Added |
| Vanguard Portfolio Management LLC | 1,932,460 | $335.0M | 0.02% | +1,932,460 | New |
| State Street Corp | 1,631,422 | $282.8M | 0.01% | +432,031+36.0% | Added |
| Vanguard Capital Management LLC | 1,452,355 | $251.8M | 0.01% | +1,452,355 | New |
| Price T Rowe Associates Inc | 1,384,142 | $239.9M | 0.03% | −72,812−5.0% | Reduced |
| AQR Capital Management LLC | 1,013,395 | $175.4M | 0.08% | +59,614+6.3% | Added |
| American Century Companies Inc | 1,002,527 | $173.8M | 0.09% | +292,829+41.3% | Added |
| Fuller & Thaler Asset Management, Inc. | 989,837 | $171.6M | 0.58% | +35,565+3.7% | Added |
| Dimensional Fund Advisors LP | 970,177 | $168.2M | 0.03% | +136,998+16.4% | Added |
| Alliancebernstein L.P. | 831,545 | $152.0M | 0.05% | −245,491−22.8% | Reduced |
| First Trust Advisors LP | 827,320 | $143.4M | 0.10% | +25,945+3.2% | Added |
| Geode Capital Management, LLC | 728,167 | $126.3M | 0.01% | +2090.0% | Added |
| Ameriprise Financial Inc | 694,771 | $120.4M | 0.03% | +58,612+9.2% | Added |
| Massachusetts Financial Services Co | 598,786 | $103.8M | 0.03% | −617,454−50.8% | Reduced |
| Qube Research & Technologies Ltd | 492,751 | $85.4M | 0.12% | +68,388+16.1% | Added |
| Charles Schwab Investment Management Inc | 470,830 | $81.6M | 0.01% | +12,463+2.7% | Added |
| Morgan Stanley | 462,672 | $80.2M | 0.00% | +60,059+14.9% | Added |
| Invesco Ltd. | 452,884 | $78.5M | 0.01% | −194,026−30.0% | Reduced |
| Woodline Partners LP | 418,980 | $72.6M | 0.27% | +173,439+70.6% | Added |
| Allspring Global Investments Holdings, LLC | 401,539 | $69.2M | 0.12% | −30,018−7.0% | Reduced |
| London Co of Virginia | 381,668 | $66.2M | 0.41% | −9,800−2.5% | Reduced |
| Northern Trust Corp | 342,173 | $59.3M | 0.01% | +7,285+2.2% | Added |
| Bank of New York Mellon Corp | 338,870 | $58.7M | 0.01% | +5,219+1.6% | Added |
| Markel Group Inc.SuperinvestorMarkel Group | 281,000 | $48.7M | 0.41% | 00.0% | Unchanged |
| Nomura Asset Management International Inc. | 277,050 | $48.0M | 0.08% | −84,083−23.3% | Reduced |
| Bank of America Corp | 251,130 | $43.5M | 0.00% | +22,978+10.1% | Added |
| UBS Group AG | 237,770 | $41.2M | 0.01% | +88,470+59.3% | Added |
| Goldman Sachs Group Inc | 218,782 | $37.9M | 0.00% | +36,944+20.3% | Added |
| Vanguard Fiduciary Trust Co | 216,524 | $37.5M | 0.01% | +216,524 | New |
| Adage Capital Partners GP, L.L.C. | 215,370 | $37.3M | 0.06% | +147,370+216.7% | Added |
| Quantinno Capital Management LP | 207,152 | $35.9M | 0.06% | +104,585+102.0% | Added |
| William Blair Investment Management, LLC | 195,760 | $33.9M | 0.11% | +46,541+31.2% | Added |
| Franklin Resources Inc | 182,488 | $31.6M | 0.01% | −69,184−27.5% | Reduced |
| Primecap Management Co | 176,040 | $30.5M | 0.02% | +139,140+377.1% | Added |
| Brown Advisory Inc | 172,514 | $29.9M | 0.05% | −11,301−6.1% | Reduced |
| Vaughan Nelson Investment Management, L.P. | 164,710 | $28.6M | 0.29% | −272,720−62.3% | Reduced |
| Jacobs Levy Equity Management, Inc | 152,763 | $26.5M | 0.11% | −72,363−32.1% | Reduced |
| Gotham Asset Management, LLC | 151,751 | $26.3M | 0.08% | +18,323+13.7% | Added |
| ProShare Advisors LLC | 149,856 | $26.0M | 0.04% | −38,128−20.3% | Reduced |
| Arbejdsmarkedets Tillaegspension | 147,109 | $25.5M | 0.63% | +17,142+13.2% | Added |
| Balyasny Asset Management LLC | 143,474 | $24.9M | 0.05% | −89,617−38.4% | Reduced |
| Boston Trust Walden Corp | 140,938 | $24.4M | 0.20% | −29,409−17.3% | Reduced |
| Altrinsic Global Advisors LLC | 130,221 | $22.6M | 0.81% | −6,947−5.1% | Reduced |
| Public Employees Retirement Association of Colorado | 128,613 | $22.3M | 0.09% | 00.0% | Unchanged |
| Millennium Management LLC | 118,796 | $20.6M | 0.02% | −50,198−29.7% | Reduced |
| Barclays PLC | 117,980 | $20.5M | 0.01% | +33,993+40.5% | Added |
| Citadel Advisors LLC | 117,634 | $20.4M | 0.01% | +71,614+155.6% | Added |
| Janus Henderson Group PLC | 116,871 | $20.3M | 0.01% | 00.0% | Unchanged |
| Interval Partners, LP | 109,022 | $18.9M | 0.65% | −29,363−21.2% | Reduced |
| UBS Asset Management Americas Inc | 108,971 | $18.9M | 0.00% | +4,042+3.9% | Added |
| Envestnet Asset Management Inc | 108,514 | $18.8M | 0.01% | −514−0.5% | Reduced |
| Rhumbline Advisers | 105,208 | $18.2M | 0.02% | +891+0.9% | Added |
| Two Sigma Investments, LP | 102,851 | $17.8M | 0.01% | +87,902+588.0% | Added |
| California Public Employees Retirement System | 95,924 | $16.6M | 0.01% | −10,063−9.5% | Reduced |
| Nuveen, LLC | 94,208 | $16.3M | 0.00% | +43,706+86.5% | Added |
| SEI Investments Co | 93,736 | $16.2M | 0.01% | +20,933+28.8% | Added |
| Leeward Investments, LLC - MA | 92,114 | $16.0M | 0.79% | −2,537−2.7% | Reduced |
| Aptus Capital Advisors, LLC | 90,706 | $15.7M | 0.13% | +902+1.0% | Added |
| FMR LLC | 85,176 | $14.8M | 0.00% | −13,322−13.5% | Reduced |
| Principal Financial Group Inc | 79,055 | $13.7M | 0.01% | +2,501+3.3% | Added |
| Martingale Asset Management L P | 78,618 | $13.6M | 0.34% | −129−0.2% | Reduced |
| Voya Investment Management LLC | 76,550 | $13.3M | 0.01% | +12,754+20.0% | Added |
| Russell Investments Group, Ltd. | 76,383 | $13.2M | 0.01% | −18,929−19.9% | Reduced |
| Swiss National Bank | 70,400 | $12.2M | 0.01% | −200−0.3% | Reduced |
| Trexquant Investment LP | 67,767 | $11.7M | 0.08% | +15,977+30.8% | Added |
| Jane Street Group, LLC | 67,758 | $11.7M | 0.01% | +66,206+4,265.9% | Added |
| JPMorgan Chase & Co | 67,960 | $11.7M | 0.00% | −7,967−10.5% | Reduced |
| T. Rowe Price Investment Management, Inc. | 64,575 | $11.2M | 0.01% | −545−0.8% | Reduced |
| Hancock Whitney Corp | 56,815 | $10.7M | 0.19% | −1,783−3.0% | Reduced |
| Crawford Investment Counsel Inc | 58,154 | $10.1M | 0.17% | −413−0.7% | Reduced |
| Silvercrest Asset Management Group LLC | 56,750 | $9.84M | 0.07% | −22,356−28.3% | Reduced |
| Hotchkis & Wiley Capital Management LLC | 55,625 | $9.64M | 0.03% | +360+0.7% | Added |
| Congress Asset Management Co | 54,867 | $9.51M | 0.07% | +12,232+28.7% | Added |
| Engineers Gate Manager LP | 54,641 | $9.47M | 0.12% | +38,633+241.3% | Added |
| Nordea Investment Management AB | 54,682 | $9.40M | 0.01% | −2,740−4.8% | Reduced |
| Legal & General Group Plc | 49,967 | $8.66M | 0.00% | −6,256−11.1% | Reduced |
| Hodges Capital Management Inc. | 49,188 | $8.53M | 0.71% | +6,180+14.4% | Added |
| Algert Global LLC | 47,430 | $8.22M | 0.12% | +26,520+126.8% | Added |
| Gillson Capital LP | 46,778 | $8.11M | 0.66% | −24,111−34.0% | Reduced |
| Acadian Asset Management LLC | 46,594 | $8.07M | 0.01% | −16,342−26.0% | Reduced |
| Teacher Retirement System of Texas | 46,342 | $8.03M | 0.03% | −2,640−5.4% | Reduced |
| Natixis Advisors, L.P. | 44,525 | $7.72M | 0.01% | −48,087−51.9% | Reduced |
| Squarepoint Ops LLC | 44,184 | $7.66M | 0.02% | +28,056+174.0% | Added |
| Ieq Capital, LLC | 44,160 | $7.66M | 0.04% | −9,454−17.6% | Reduced |
| Hennessy Advisors Inc | 43,400 | $7.52M | 0.27% | −1,500−3.3% | Reduced |
| California State Teachers Retirement System | 43,399 | $7.52M | 0.01% | +10,188+30.7% | Added |
| Retirement Systems of Alabama | 43,398 | $7.52M | 0.03% | +691+1.6% | Added |
| Lighthouse Investment Partners, LLC | 41,857 | $7.26M | 0.27% | −98,773−70.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 41,332 | $7.16M | 0.06% | −16,943−29.1% | Reduced |
| Citigroup Inc | 40,502 | $7.02M | 0.00% | +21,509+113.2% | Added |
| Raymond James Financial Inc | 39,625 | $6.87M | 0.00% | −277−0.7% | Reduced |
| Man Group plc | 39,568 | $6.86M | 0.01% | +24,859+169.0% | Added |
| New York State Teachers Retirement System | 38,992 | $6.76M | 0.01% | −13,320−25.5% | Reduced |
| Amundi | 38,707 | $6.71M | 0.00% | −69−0.2% | Reduced |
| CBOE Vest Financial, LLC | 38,653 | $6.70M | 0.08% | +5,086+15.2% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 38,581 | $6.69M | 0.01% | +13,680+54.9% | Added |
| Heartland Advisors Inc | 37,549 | $6.51M | 0.33% | −5,320−12.4% | Reduced |
| Creative Planning | 36,953 | $6.41M | 0.00% | +6,019+19.5% | Added |
| Northwest & Ethical Investments L.P. | 36,370 | $6.30M | 0.15% | −5,982−14.1% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 35,930 | $6.23M | 0.01% | +13,186+58.0% | Added |