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The Hanover Insurance Group THG Core Commercial Lines — Catastrophe Losses
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Where this comes from
Reported directly by The Hanover Insurance Group in its filing.
Tagged under the XBRL concept thg:CatastropheLosses.
The source filing: The Hanover Insurance Group’s 10-K, filed February 20, 2026.
- Filed
- Feb 20, 2026, 1:43 PM EST
- Fiscal year
- FY2025
- Accession
- 0001193125-26-060983
| December 31, 2025 / (in millions) | Core Commercial | Specialty | Personal Lines | Other | Total |
|---|---|---|---|---|---|
| Losses and LAE: | |||||
| Current accident year losses and LAE | 1,305.6 | 699.6 | 1,518.2 | — | 3,523.4 |
| Prior year unfavorable (favorable) development, excluding catastrophes | (7.1) | (56.8) | (7.2) | 0.7 | (70.4) |
| Catastrophe losses | 124.4 | 38.1 | 139.8 | — | 302.3 |
| Prior year favorable catastrophe development | (11.0) | (4.0) | (11.0) | — | (26.0) |
| Total losses and LAE | 1,411.9 | 676.9 | 1,639.8 | 0.7 | 3,729.3 |
| Amortization of deferred acquisition costs and other underwriting expenses(1) | 746.9 | 524.1 | 668.3 | — | 1,939.3 |
| Underwriting income (loss) | 52.2 | 197.3 | 243.7 | (0.7) | 492.5 |
ITEM 8 – FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
FAQ
- What is The Hanover Insurance Group's core commercial lines — catastrophe losses?
- The Hanover Insurance Group (THG) reported core commercial lines — catastrophe losses of $31.1M in Q4 2025.
- How has The Hanover Insurance Group's core commercial lines — catastrophe losses changed year-over-year?
- The Hanover Insurance Group's core commercial lines — catastrophe losses increased by 13.6% year-over-year, from $27.38M to $31.1M.
- What is the long-term trend for The Hanover Insurance Group's core commercial lines — catastrophe losses?
- Over 3 years (2022 to 2025), The Hanover Insurance Group's core commercial lines — catastrophe losses has grown at a -16.1% compound annual growth rate (CAGR), from $211M to $124.4M.
- What does core commercial lines — catastrophe losses mean?
- This represents the financial impact of large-scale, unpredictable events such as natural disasters on the commercial lines segment's underwriting results. It measures the volatility of the segment's exposure to catastrophic risks. Tracking this helps investors assess the effectiveness of the company's catastrophe risk management and reinsurance programs.
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