What does international - casualty — IBNR mean?

This represents the estimated liability for claims that have occurred but have not yet been reported to the insurer by the policyholders. It is a critical actuarial reserve component for the International Casualty segment, reflecting the uncertainty and long-tail nature of casualty risks. Changes in this figure indicate shifts in management's assessment of future claim development and reserve adequacy.

Hamilton Insurance Group, Ltd. HG International - Casualty — IBNR

Other product segments

Bermuda - Casualty

$834.65M+44.7%

International - Specialty

$393.17M+27.2%

Bermuda - Specialty

$239.7M+11.5%

Bermuda - Property

$234.83M+6.9%

International - Property

$82.47M+6.3%

Similar metrics at other companies

CNAInternational — IBNR

$1.91B—

RNRCasualty and Specialty — IBNR

$12.96B+9.0%

SIGICasualty lines — IBNR

$226.94M+36.3%

KNSLCasualty - claims made — Total of IBNR liabilities plus expected development on reported claims

$122.57M+18.0%

KNSLCasualty - occurrence — Total of IBNR liabilities plus expected development on reported claims

$559.62M+18.7%

ACGLCasualty — Total of IBNR liabilities plus expected development on reported claims

92,800,000,000%+24,800,000,000pp

Other financials

Income statement

See full

Revenue$758.9M-1.3%

Net income$217.0M+19.7%

EPS (diluted)$1.31+70.1%

Balance sheet

See full

Cash & equivalents$955.5M+4.6%

Total debt$149.8M-0.1%

Total equity$2.7B+13.5%

Total assets$9.9B+18.2%

Cash flow

See full

Operating cash flow$100.8M+189%

Valuation

See full

Market cap$3.21B+40.4%

Enterprise value$2.41B+60.1%

P/E3.7×-0.8×

P/S1.1×+0.2×

Profitability

See full

Net margin30.2%+9.1pp

Returns & leverage

See full

Return on equity34.2%+11.8pp

Debt / equity0.1×0.0×

Where this comes from

Reported directly by Hamilton Insurance Group, Ltd. in its filing.

Tagged under the XBRL concept us-gaap:ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet.

The official record: Hamilton Insurance Group, Ltd.’s 10-K, filed February 25, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Hamilton Insurance Group, Ltd.'s international - casualty — IBNR?: Hamilton Insurance Group, Ltd. (HG) reported international - casualty — IBNR of $582.84M in Q4 2025.
What does international - casualty — IBNR mean?: This represents the estimated liability for claims that have occurred but have not yet been reported to the insurer by the policyholders. It is a critical actuarial reserve component for the International Casualty segment, reflecting the uncertainty and long-tail nature of casualty risks. Changes in this figure indicate shifts in management's assessment of future claim development and reserve adequacy.