| Balance Sheets | 2026-03-31 | 2025-12-31 | 2025-09-30 | 2025-06-30 |
|---|---|---|---|---|
| Fixed maturities, at fair value (amortized cost of 10,211.8 and 9,685.7) | 9,976,200 | 9,536,500 | 9,498,600 | 9,078,900 |
| Equity securities, at fair value | 188,200 | 184,800 | 183,200 | 172,000 |
| Other investments | 637,300 | 661,400 | 685,600 | 690,400 |
| Total investments | 10,801,700 | 10,382,700 | 10,367,400 | 9,941,300 |
| Cash and cash equivalents | 243,500 | 1,122,700 | 915,700 | 244,100 |
| Accrued investment income | 76,400 | 80,100 | 72,800 | 75,500 |
| Premiums and accounts receivable, net | 1,855,900 | 1,861,300 | 1,931,600 | 1,894,600 |
| Reinsurance recoverable on paid and unpaid losses and unearned premiums | 2,051,700 | 2,011,100 | 1,974,800 | 1,978,800 |
| Deferred acquisition costs | 690,800 | 703,000 | 708,300 | 674,500 |
| Deferred income tax asset | 102,300 | 83,300 | 94,100 | 130,900 |
| Goodwill | 178,800 | 178,800 | 178,800 | 178,800 |
| Other assets | 443,300 | 439,300 | 439,200 | 526,800 |
| Assets of discontinued businesses | 83,300 | 83,600 | 91,500 | 86,800 |
| Total assets | 16,527,700 | 16,945,900 | 16,774,200 | 15,732,100 |
| Loss and loss adjustment expense reserves | 7,911,100 | 7,755,200 | 7,706,500 | 7,636,200 |
| Unearned premiums | 3,402,000 | 3,440,400 | 3,508,500 | 3,335,200 |
| Expenses and taxes payable | 650,500 | 806,700 | 702,500 | 601,500 |
| Reinsurance premiums payable | 43,400 | 45,200 | 41,700 | 49,800 |
| Short-term debt | 50,100 | 375,000 | 436,800 | 436,800 |
| Long-term debt | 793,700 | 843,300 | 843,000 | 347,800 |
| Liabilities of discontinued businesses | 106,500 | 108,600 | 108,900 | 108,500 |
| Total liabilities | 12,957,300 | 13,374,400 | 13,347,900 | 12,515,800 |
| Common stock, par value 0.01 per share 300.0 million shares authorized 60.5 million shares issued | 600 | 600 | 600 | 600 |
| Additional paid-in capital | 2,016,000 | 2,013,500 | 2,004,600 | 1,993,900 |
| Accumulated other comprehensive loss | -237,900 | -171,400 | -198,300 | -287,200 |
| Retained earnings | 3,894,500 | 3,741,600 | 3,577,300 | 3,431,200 |
| Treasury stock at cost (25.4 and 25.1 million shares) | 2,102,800 | 2,012,800 | 1,957,900 | 1,922,200 |
| Total shareholders equity | 3,570,400 | 3,571,500 | 3,426,300 | 3,216,300 |
| Total liabilities and shareholders equity | 16,527,700 | 16,945,900 | 16,774,200 | 15,732,100 |
HANOVER INSURANCE GROUP, INC. (THG)
HANOVER INSURANCE GROUP, INC. (THG)