Find a company. Follow its revenue through costs and profit.
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Sankey diagram of Arch Capital Group Ltd.. A complete text table follows the diagram.
Mortgage insurance contributes little premium volume but exceptional margins, while reinsurance supplies the largest earnings pool and primary insurance barely clears underwriting costs.
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Every flow is a reported segment underwriting revenue, loss, acquisition expense, operating expense, or underwriting-income amount. Investment income and corporate items are excluded to isolate the risk-pricing economics.
Labels and narrative explain the filing. A category marked “arithmetic bridge” or “residual” is calculated from reported totals, rather than a separately reported line.
| Category | Stage | Value | Notes |
|---|---|---|---|
| Primary insurance underwriting revenue | 1 | $1.9B | Premiums earned plus underwriting fees |
| Reinsurance underwriting revenue | 1 | $1.9B | Global specialty and property risk |
| Mortgage underwriting revenue | 1 | $295M | Only 7% of the underwriting pool |
| Insurance losses and expenses | 2 | $1.8B | 96.5% combined ratio |
| Insurance underwriting income | 2 | $66M | Recovered from a prior-year loss |
| Reinsurance losses and expenses | 2 | $1.4B | 75.9% combined ratio |
| Reinsurance underwriting income | 2 | $441M | 61% of underwriting profit |
| Mortgage losses and expenses | 2 | $74M | 22.3% combined ratio |
| Mortgage underwriting income | 2 | $221M | 75% underwriting margin |
| Total underwriting income | 3 | $728M | Before investments and corporate costs |
| From | To | Value |
|---|---|---|
| Primary insurance underwriting revenue | Insurance losses and expenses | $1.8B |
| Primary insurance underwriting revenue | Insurance underwriting income | $66M |
| Reinsurance underwriting revenue | Reinsurance losses and expenses | $1.4B |
| Reinsurance underwriting revenue | Reinsurance underwriting income | $441M |
| Mortgage underwriting revenue | Mortgage losses and expenses | $74M |
| Mortgage underwriting revenue | Mortgage underwriting income | $221M |
| Insurance underwriting income | Total underwriting income | $66M |
| Reinsurance underwriting income | Total underwriting income | $441M |
| Mortgage underwriting income | Total underwriting income | $221M |