The Hanover Insurance Group THG Business Segments
| TTM Q1 '26 | TTM Q4 '25 | TTM Q3 '25 | TTM Q2 '25 | TTM Q1 '25 | ||
|---|---|---|---|---|---|---|
| Premiums Earned Net by Business | ||||||
| Core Commercial Lines | $2.23B+1.0% | $2.21B+0.6% | $2.2B+1.0% | $2.18B+0.8% | $2.16B+0.6% | |
| Personal Lines | $2.57B+0.7% | $2.55B+0.9% | $2.53B+1.1% | $2.5B+1.2% | $2.47B+1.2% | |
| Specialty Lines | $1.42B+1.5% | $1.4B+0.7% | $1.39B+1.7% | $1.37B+1.9% | $1.34B+1.4% | |
| Insurance Services Revenue by Business | ||||||
| All Other Segments | $22.3M+6.2% | $21M+32.9% | $15.8M+29.5% | $12.2M+0.8% | $12.1M-2.4% | |
| Core Commercial Lines | $2.45B+1.4% | $2.42B+0.9% | $2.4B+1.3% | $2.37B+1.0% | $2.34B+0.8% | |
| Personal Lines | $2.72B+0.9% | $2.7B+1.1% | $2.67B+1.3% | $2.63B+1.3% | $2.6B+1.3% | |
| Specialty Lines | $1.53B+1.6% | $1.51B+1.0% | $1.49B+1.9% | $1.46B+2.0% | $1.44B+1.6% | |
| Segment Reporting Other Item Amount by Business | ||||||
| All Other Segments | $14M-0.7% | $14.1M+0.7% | $14M+2.2% | $13.7M+25.7% | $10.9M-5.2% | |
| Core Commercial Lines | $9.2M+2.2% | $9M-9.1% | $9.9M+2.1% | $9.7M+1.0% | $9.6M+11.6% | |
| Personal Lines | $7.3M+2.8% | $7.1M-1.4% | $7.2M+1.4% | $7.1M0.0% | $7.1M+1.4% | |
| Specialty Lines | -$8.8M-2.3% | -$8.6M-200% | $8.6M-1.1% | $8.7M+3.6% | $8.4M+6.3% | |
| Net Investment Income by Business | ||||||
| All Other Segments | $22.2M+6.7% | $20.8M+32.5% | $15.7M+29.8% | $12.1M+7.1% | $11.3M+2.7% | |
| Core Commercial Lines | $212.8M+5.1% | $202.5M+4.6% | $193.6M+5.3% | $183.9M+3.5% | $177.6M+4.2% | |
| Personal Lines | $133.2M+3.7% | $128.5M+4.9% | $122.5M+5.8% | $115.8M+3.8% | $111.6M+4.6% | |
| Specialty Lines | $107M+4.3% | $102.6M+5.2% | $97.5M+5.6% | $92.3M+4.3% | $88.5M+4.7% | |
| Operating Income by Business | ||||||
| All Other Segments | $7.6M+22.6% | $6.2M+1,140% | $500K+118% | -$2.8M-1,300% | -$200K+60.0% | |
| Core Commercial Lines | $298.9M+19.1% | $250.9M+1.7% | $246.8M+3.9% | $237.6M+0.3% | $236.9M-15.9% | |
| Personal Lines | $374.8M-1.3% | $379.8M+7.3% | $353.8M+28.9% | $274.4M+47.1% | $186.6M+67.7% | |
| Specialty Lines | $315.5M+6.6% | $296.1M-0.4% | $297.3M+1.8% | $292.1M+10.9% | $263.5M+2.3% | |
| Fees Commissions And Other Income by Business | ||||||
| All Other Segments | $100K-50.0% | $200K+100% | $100K0.0% | $100K-87.5% | $800K-42.9% | |
| Core Commercial Lines | $5.3M+1.9% | $5.2M0.0% | $5.2M+2.0% | $5.1M+2.0% | $5M0.0% | |
| Personal Lines | $14.6M-0.7% | $14.7M-2.0% | $15M-1.3% | $15.2M-1.3% | $15.4M-1.9% | |
| Specialty Lines | $4.7M-2.1% | $4.8M-2.0% | $4.9M-5.8% | $5.2M-11.9% | $5.9M0.0% | |
| Policyholder Benefits And Claims Incurred Net by Business | ||||||
| All Other Segments | $700K0.0% | $700K-46.2% | $1.3M0.0% | $1.3M-7.1% | $1.4M0.0% | |
| Core Commercial Lines | $1.39B-1.3% | $1.41B+1.3% | $1.39B+1.0% | $1.38B+1.4% | $1.36B+4.5% | |
| Personal Lines | $1.66B+1.3% | $1.64B-0.2% | $1.64B-3.3% | $1.7B-3.4% | $1.76B-2.6% | |
| Specialty Lines | $677M0.0% | $676.9M+2.3% | $661.8M+2.4% | $646.2M-1.5% | $656.3M+1.5% | |
| Underwriting Income Loss by Business | ||||||
| All Other Segments | -$700K0.0% | -$700K+46.2% | -$1.3M0.0% | -$1.3M+7.1% | -$1.4M0.0% | |
| Core Commercial Lines | $90M+72.4% | $52.2M-9.8% | $57.9M-0.7% | $58.3M-8.8% | $63.9M-44.3% | |
| Personal Lines | $234.3M-3.9% | $243.7M— | —— | —— | —— | |
| Specialty Lines | $212.2M+7.6% | $197.3M-3.0% | $203.5M+0.1% | $203.3M+14.5% | $177.5M+1.3% | |
| Prior Year Claims Adjustment Expense Excluding Catastrophes by Business | ||||||
| All Other Segments | $700K0.0% | $700K-46.2% | $1.3M0.0% | $1.3M-7.1% | $1.4M0.0% | |
| Core Commercial Lines | -$7.4M-4.2% | -$7.1M+14.5% | -$8.3M+22.4% | -$10.7M-9.2% | -$9.8M+44.6% | |
| Personal Lines | -$13.6M-88.9% | -$7.2M-4.3% | -$6.9M-11.3% | -$6.2M+18.4% | -$7.6M-55.1% | |
| Specialty Lines | -$55.1M+3.0% | -$56.8M+8.4% | -$62M+0.3% | -$62.2M-2.0% | -$61M-32.0% | |
| Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense by Business | ||||||
| Core Commercial Lines | -$31.6M-74.6% | -$18.1M+32.5% | -$26.8M+24.9% | -$35.7M+51.0% | -$72.8M-45.6% | |
| Specialty Lines | -$62.4M-2.6% | -$60.8M+11.2% | -$68.5M+5.1% | -$72.2M— | —— | |
| Current Accident Year Losses And LAE by Business | ||||||
| Core Commercial Lines | $1.3B-0.2% | $1.31B-0.1% | $1.31B+2.0% | $1.28B+1.1% | $1.27B+2.0% | |
| Personal Lines | $1.52B+0.2% | $1.52B+0.6% | $1.51B-0.5% | $1.52B-0.8% | $1.53B-1.3% | |
| Specialty Lines | $703.1M+0.5% | $699.6M+2.2% | $684.5M+2.1% | $670.7M-0.2% | $672.1M+2.5% | |
| Prior Year Favorable Catastrophe Development by Business | ||||||
| Personal Lines | -$31.3M-185% | -$11M— | —— | —— | —— |
Chart any of these lines over time, or line them up against competitors.
Compare these in charts →Questions, answered.
- How does The Hanover Insurance Group break its business down?
- The Hanover Insurance Group (THG) reports premiums earned net by business across 4 parts — All Other Segments, Core Commercial Lines, Personal Lines and Specialty Lines. Each is extracted from the segment footnotes and tracked over time.
- Where does The Hanover Insurance Group's segment data come from?
- Segment breakdowns are pulled from the segment footnotes in The Hanover Insurance Group's SEC filings (the XBRL dimensional tags), so every line ties back to a reported figure. Switch between quarterly, annual, and TTM, or open any segment for its full history.
