In Q2 fiscal 2026 (the quarter ended June 30, 2026), Arch Capital Group's largest business segment was Insurance, with $1.88 billion or 47% of revenue, down 4.5% from a year earlier. Next: Reinsurance (46%) and Mortgage (7%).
The fastest-growing business segment from a year earlier was Mortgage (+1.4%).
From company filings, in USD; latest quarter ended June 30, 2026; quarterly data from Q3 fiscal 2017.

Fiscal quarters, from company filings
| Business segment | Q2 FY26 | Q1 FY26 | Q3 FY25 | Q2 FY25 | Share |
|---|---|---|---|---|---|
| Insurance | $1.9B | $1.9B | $2.0B | $2.0B | 47% |
| Reinsurance | $1.8B | $1.8B | $2.0B | $2.1B | 46% |
| Mortgage | $285.0M | $284.0M | $301.0M | $281.0M | 7% |
In USD, fiscal quarters as reported; share = part of Q2 FY26 revenue.
Insurance, Reinsurance and Mortgage (as reported for Q2 fiscal 2026).
Insurance: $1.88 billion, or 47% of revenue, in Q2 fiscal 2026.
Click a bar to see that period below. Striped bars are calculated fourth quarters; an empty slot means it could not be calculated on the same basis i
Fiscal quarter ended Jun 30, 2026
| Item | Revenue | Share |
|---|---|---|
| Insurance | USD 1.88B | 47.2% |
| Reinsurance | USD 1.82B | 45.7% |
| Mortgage | USD 285.00M | 7.2% |
Sum of items USD 3.98B. Shares are of the items shown. Click an item with › to see its parts.
Every item and period in one grid. Purple = calculated; "–" = not available.
| Item | Q2 FY26 | Q1 FY26 | Q4 FY25 | Q3 FY25 | Q2 FY25 | Q1 FY25 | Q4 FY24 | Q3 FY24 | Q2 FY24 | Q1 FY24 | Q4 FY23 | Q3 FY23 | Q2 FY23 | Q1 FY23 | Q4 FY22 | Q3 FY22 | Q2 FY22 | Q1 FY22 | Q4 FY21 | Q3 FY21 | Q2 FY21 | Q1 FY21 | Q4 FY20 | Q3 FY20 | Q2 FY20 | Q1 FY20 | Q4 FY19 | Q3 FY19 | Q2 FY19 | Q1 FY19 | Q4 FY18 | Q3 FY18 | Q2 FY18 | Q1 FY18 | Q4 FY17 | Q3 FY17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Insurance | 1.9B | 1.9B | 2.0B | 2.0B | 2.0B | 1.9B | 1.9B | 1.8B | 1.5B | 1.5B | 1.4B | 1.4B | 1.3B | 1.3B | 1.2B | 1.2B | 1.1B | 1.0B | – | 938.7M | 865.4M | 819.5M | 748.4M | 719.2M | 687.9M | 715.9M | 645.8M | 605.3M | 592.4M | 553.5M | 559.4M | 561.1M | 546.4M | 538.7M | – | 535.2M |
| Reinsurance | 1.8B | 1.8B | 2.0B | 2.0B | 2.1B | 2.0B | 1.9B | 1.9B | 1.8B | 1.7B | 1.6B | 1.5B | 1.3B | 1.3B | 1.2B | 1.0B | 928.0M | 804.0M | – | 678.7M | 737.0M | 644.9M | 584.1M | 554.5M | 480.2M | 543.5M | 389.0M | 363.9M | 367.2M | 346.4M | 348.5M | 293.3M | 340.3M | 279.2M | – | 323.6M |
| Mortgage | 285.0M | 284.0M | 290.0M | 301.0M | 281.0M | 300.0M | 306.0M | 313.0M | 307.0M | 305.0M | 275.0M | 293.0M | 294.0M | 296.0M | 292.0M | 282.0M | 296.0M | 290.0M | – | 312.0M | 334.2M | 336.3M | 335.8M | 351.4M | 365.7M | 345.0M | 347.7M | 343.0M | 352.8M | 322.9M | 314.6M | 300.9M | 290.5M | 280.2M | – | 274.5M |
| Corporate Segment and Other Operating | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 184.2M | 147.7M | 142.7M | – | – | 140.0M | 133.4M | 125.8M | 151.3M | 146.1M | 147.0M | 135.6M | 159.5M | 136.7M | – | 128.6M |
| All other segments | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 146.0M | 131.5M | – | – | – | – | – | – | – | – | – | – | – |