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v3.24.3

Segment Information (Tables) | 9 Months Ended
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Sep. 30, 2024
Segment Reporting [Abstract] |
Schedule of segments | The following tables present the financial information for White Mountains’s segments for the three and nine months ended September 30, 2024 and 2023:
|  | Ark/WM Outrigger |  |  |  |  |  |  |  | Other Operations |  | Total
Millions |  | Ark |  | WM Outrigger Re |  | HG Global |  |  |  | Kudu |  | Bamboo |  |
Three Months Ended September 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earned insurance premiums (1) |  | $ | 507.2 |  |  | $ | 45.0 |  |  | $ | 7.5 |  |  |  |  | $ | — |  |  | $ | 10.6 |  |  | $ | 11.2 |  |  | $ | 581.5 |
Net investment income (2) |  | 21.3 |  |  | 3.0 |  |  | 6.0 |  |  |  |  | 17.2 |  |  | .6 |  |  | 9.6 |  |  | 57.7 |
Net realized and unrealized investment gains (losses) (2) | 53.2 |  |  | — |  |  | 22.5 |  |  |  |  | 29.5 |  |  | .7 |  |  | 29.7 |  |  | 135.6 |
Net realized and unrealized investment gains (losses) from investment in MediaAlpha |  | — |  |  | — |  |  | — |  |  |  |  | — |  |  | — |  |  | 88.2 |  |  | 88.2 |
Interest income from BAM Surplus Notes |  | — |  |  | — |  |  | 7.9 |  |  |  |  | — |  |  | — |  |  | — |  |  | 7.9 |
Change in fair value of BAM Surplus Notes |  | — |  |  | — |  |  | 15.8 |  |  |  |  | — |  |  | — |  |  | — |  |  | 15.8 |
Unrealized loss on deconsolidation of BAM |  | — |  |  | — |  |  | (114.5) |  |  |  |  | — |  |  | — |  |  | — |  |  | (114.5) |
Commission and fee revenues |  | — |  |  | — |  |  | — |  |  |  |  | — |  |  | 42.7 |  |  | 4.1 |  |  | 46.8 |
Other revenues |  | 3.7 |  |  | — |  |  | — |  |  |  |  | .5 |  |  | 1.1 |  |  | 14.8 |  |  | 20.1 |
Total revenues |  | 585.4 |  |  | 48.0 |  |  | (54.8) |  |  |  |  | 47.2 |  |  | 55.7 |  |  | 157.6 |  |  | 839.1 |
Loss and loss adjustment expenses |  | 275.1 |  |  | 13.2 |  |  | — |  |  |  |  | — |  |  | 4.4 |  |  | 4.2 |  |  | 296.9 |
Acquisition expenses |  | 83.3 |  |  | 13.0 |  |  | 1.9 |  |  |  |  | — |  |  | 3.7 |  |  | 4.5 |  |  | 106.4 |
Cost of sales |  | — |  |  | — |  |  | — |  |  |  |  | — |  |  | — |  |  | 7.6 |  |  | 7.6 |
Broker commission expenses |  | — |  |  | — |  |  | — |  |  |  |  | — |  |  | 15.9 |  |  | — |  |  | 15.9 |
General and administrative expenses |  | 68.9 |  |  | — |  |  | .3 |  |  |  |  | 3.6 |  |  | 16.2 |  |  | 32.9 |  |  | 121.9 |
Change in fair value of contingent consideration |  | 34.2 |  |  | — |  |  | — |  |  |  |  | — |  |  | — |  |  | — |  |  | 34.2 |
Interest expense |  | 4.9 |  |  | — |  |  | 5.8 |  |  |  |  | 5.7 |  |  | — |  |  | .3 |  |  | 16.7 |
Total expenses |  | 466.4 |  |  | 26.2 |  |  | 8.0 |  |  |  |  | 9.3 |  |  | 40.2 |  |  | 49.5 |  |  | 599.6 |
Pre-tax income (loss) | $ | 119.0 |  |  | $ | 21.8 |  |  | $ | (62.8) |  |  |  |  | $ | 37.9 |  |  | $ | 15.5 |  |  | $ | 108.1 |  |  | $ | 239.5 |
(1) Ark’s earned insurance premiums based on the location of Ark’s underwriting offices in the United Kingdom and Bermuda are $326.4 and $180.8. (2) Bamboo’s net investment income and net realized and unrealized investment gains (losses) are included in other revenues in the consolidated statement of operations.
|  | Ark/WM Outrigger |  | HG Global |  |  |  | Other Operations |  |
Millions |  | Ark |  | WM Outrigger Re |  | HG Global |  | BAM (1) |  | Kudu |  |  | Total
Three Months Ended September 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earned insurance premiums (2) |  | $ | 438.3 |  |  | $ | 60.6 |  |  | $ | 6.6 |  |  | $ | 1.3 |  |  | $ | — |  |  | $ | — |  |  | $ | 506.8 |
Net investment income |  | 13.9 |  |  | 3.0 |  |  | 4.3 |  |  | 3.8 |  |  | 15.1 |  |  | 8.0 |  |  | 48.1 |
Net realized and unrealized investment gains (losses) | (6.6) |  |  | — |  |  | (13.6) |  |  | (10.5) |  |  | 11.2 |  |  | 8.0 |  |  | (11.5) |
Net realized and unrealized investment gains (losses) from investment in MediaAlpha |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (46.8) |  |  | (46.8) |
Interest income (expense) from BAM Surplus Notes |  | — |  |  | — |  |  | 6.6 |  |  | (6.6) |  |  | — |  |  | — |  |  | — |
Commission and fee revenues |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 3.5 |  |  | 3.5 |
Other revenues |  | 3.6 |  |  | — |  |  | — |  |  | .7 |  |  | — |  |  | 15.2 |  |  | 19.5 |
Total revenues |  | 449.2 |  |  | 63.6 |  |  | 3.9 |  |  | (11.3) |  |  | 26.3 |  |  | (12.1) |  |  | 519.6 |
Loss and loss adjustment expenses |  | 258.5 |  |  | 7.3 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 265.8 |
Acquisition expenses |  | 71.0 |  |  | 19.3 |  |  | 2.0 |  |  | .1 |  |  | — |  |  | — |  |  | 92.4 |
Cost of sales |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 8.0 |  |  | 8.0 |
General and administrative expenses |  | 35.3 |  |  | .1 |  |  | .5 |  |  | 17.0 |  |  | 4.5 |  |  | 42.2 |  |  | 99.6 |
Change in fair value of contingent consideration |  | 17.0 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 17.0 |
Interest expense |  | 5.5 |  |  | — |  |  | 3.8 |  |  | — |  |  | 5.5 |  |  | .9 |  |  | 15.7 |
Total expenses |  | 387.3 |  |  | 26.7 |  |  | 6.3 |  |  | 17.1 |  |  | 10.0 |  |  | 51.1 |  |  | 498.5 |
Pre-tax income (loss) |  | $ | 61.9 |  |  | $ | 36.9 |  |  | $ | (2.4) |  |  | $ | (28.4) |  |  | $ | 16.3 |  |  | $ | (63.2) |  |  | $ | 21.1 |
(1) BAM manages its affairs on a statutory accounting basis. BAM’s statutory surplus includes the BAM Surplus Notes and is not reduced by accruals of interest expense on the BAM Surplus Notes. BAM’s statutory surplus is reduced only after a payment of principal or interest has been approved by the NYDFS. (2) Ark’s earned insurance premiums based on the location of Ark’s underwriting offices in the United Kingdom and Bermuda are $273.6 and $164.7.
|  | Ark/WM Outrigger |  | HG Global |  |  |  |  |  | Other Operations |  |
Millions |  | Ark |  | WM Outrigger Re |  | HG Global |  | BAM (1) (2) |  | Kudu |  | Bamboo |  |  | Total
Nine Months Ended September 30, 2024 |  |  |  |  |  |  |  |  |  |
Earned insurance premiums (3) |  | $ | 1,110.5 |  |  | $ | 62.8 |  |  | $ | 21.5 |  |  | $ | 2.8 |  |  | $ | — |  |  | $ | 27.0 |  |  | $ | 19.8 |  |  | $ | 1,244.4 |
Net investment income (4) |  | 57.6 |  |  | 8.9 |  |  | 17.3 |  |  | 8.8 |  |  | 50.1 |  |  | 1.5 |  |  | 27.9 |  |  | 172.1 |
Net realized and unrealized investment gains (losses) (4) |  | 84.1 |  |  | — |  |  | 13.2 |  |  | (5.1) |  |  | 77.5 |  |  | .6 |  |  | 60.4 |  |  | 230.7 |
Net realized and unrealized investment gains (losses) from investment in MediaAlpha | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 159.7 |  |  | 159.7 |
Interest income (expense) from BAM Surplus Notes |  | — |  |  | — |  |  | 21.1 |  |  | (13.2) |  |  | — |  |  | — |  |  | — |  |  | 7.9 |
Change in fair value of BAM Surplus Notes |  | — |  |  | — |  |  | 15.8 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 15.8 |
Unrealized loss on deconsolidation of BAM |  | — |  |  | — |  |  | (114.5) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (114.5) |
Commission and fee revenues |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 97.3 |  |  | 11.1 |  |  | 108.4 |
Other revenues |  | 9.6 |  |  | — |  |  | — |  |  | 1.1 |  |  | .5 |  |  | 2.4 |  |  | 43.7 |  |  | 57.3 |
Total revenues |  | 1,261.8 |  |  | 71.7 |  |  | (25.6) |  |  | (5.6) |  |  | 128.1 |  |  | 128.8 |  |  | 322.6 |  |  | 1,881.8 |
Loss and loss adjustment expenses |  | 630.4 |  |  | 13.6 |  |  | — |  |  | — |  |  | — |  |  | 14.5 |  |  | 8.1 |  |  | 666.6 |
Acquisition expenses |  | 212.9 |  |  | 17.9 |  |  | 5.9 |  |  | .4 |  |  | — |  |  | 9.7 |  |  | 7.1 |  |  | 253.9 |
Cost of sales |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 22.2 |  |  | 22.2 |
Broker commission expenses |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 37.9 |  |  | — |  |  | 37.9 |
General and administrative expenses |  | 153.9 |  |  | .1 |  |  | 1.3 |  |  | 33.5 |  |  | 10.5 |  |  | 43.9 |  |  | 126.4 |  |  | 369.6 |
Change in fair value of contingent consideration | 47.5 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 47.5 |
Interest expense |  | 15.0 |  |  | — |  |  | 13.4 |  |  | — |  |  | 16.7 |  |  | — |  |  | 1.6 |  |  | 46.7 |
Total expenses |  | 1,059.7 |  |  | 31.6 |  |  | 20.6 |  |  | 33.9 |  |  | 27.2 |  |  | 106.0 |  |  | 165.4 |  |  | 1,444.4 |
Pre-tax income (loss) | $ | 202.1 |  |  | $ | 40.1 |  |  | $ | (46.2) |  |  | $ | (39.5) |  |  | $ | 100.9 |  |  | $ | 22.8 |  |  | $ | 157.2 |  |  | $ | 437.4 |
(1) Effective July 1, 2024, White Mountains no longer consolidates BAM. For the period from January 1, 2024 through June 30, 2024, BAM’s results of operations are presented within the HG Global segment. (2) BAM manages its affairs on a statutory accounting basis. BAM’s statutory surplus includes the BAM Surplus Notes and is not reduced by accruals of interest expense on the BAM Surplus Notes. BAM’s statutory surplus is reduced only after a payment of principal or interest has been approved by the NYDFS. (3) Ark’s earned insurance premiums based on the location of Ark’s underwriting offices in the United Kingdom and Bermuda are $697.5 and $413.0. (4) Bamboo’s net investment income and net realized and unrealized investment gains (losses) are included in other revenues in the consolidated statement of operations.
|  | Ark/WM Outrigger |  | HG Global |  |  |  | Other Operations |  |
Millions |  | Ark |  | WM Outrigger Re |  | HG Global |  | BAM (1) |  | Kudu |  |  | Total
Nine Months Ended September 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earned insurance premiums (2) |  | $ | 971.9 |  |  | $ | 75.4 |  |  | $ | 19.4 |  |  | $ | 3.9 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,070.6 |
Net investment income |  | 33.5 |  |  | 7.7 |  |  | 12.4 |  |  | 10.5 |  |  | 44.0 |  |  | 22.0 |  |  | 130.1 |
Net realized and unrealized investment gains (losses) |  | 35.9 |  |  | — |  |  | (11.4) |  |  | (5.6) |  |  | 45.4 |  |  | 125.8 |  |  | 190.1 |
Net realized and unrealized investment gains (losses) from investment in MediaAlpha |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (38.9) |  |  | (38.9) |
Interest income (expense) from BAM Surplus Notes |  | — |  |  | — |  |  | 19.7 |  |  | (19.7) |  |  | — |  |  | — |  |  | — |
Commission and fee revenues |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 10.0 |  |  | 10.0 |
Other revenues |  | (1.1) |  |  | — |  |  | — |  |  | 2.0 |  |  | — |  |  | 67.1 |  |  | 68.0 |
Total revenues |  | 1,040.2 |  |  | 83.1 |  |  | 40.1 |  |  | (8.9) |  |  | 89.4 |  |  | 186.0 |  |  | 1,429.9 |
Loss and loss adjustment expenses |  | 573.2 |  |  | 7.9 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 581.1 |
Acquisition expenses |  | 189.3 |  |  | 22.2 |  |  | 5.6 |  |  | .7 |  |  | — |  |  | — |  |  | 217.8 |
Cost of sales |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 33.5 |  |  | 33.5 |
General and administrative expenses |  | 105.3 |  |  | .2 |  |  | 1.9 |  |  | 47.8 |  |  | 12.3 |  |  | 130.7 |  |  | 298.2 |
Change in fair value of contingent consideration | 16.8 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 16.8 |
Interest expense |  | 15.7 |  |  | — |  |  | 10.8 |  |  | — |  |  | 15.5 |  |  | 2.9 |  |  | 44.9 |
Total expenses |  | 900.3 |  |  | 30.3 |  |  | 18.3 |  |  | 48.5 |  |  | 27.8 |  |  | 167.1 |  |  | 1,192.3 |
Pre-tax income (loss) |  | $ | 139.9 |  |  | $ | 52.8 |  |  | $ | 21.8 |  |  | $ | (57.4) |  |  | $ | 61.6 |  |  | $ | 18.9 |  |  | $ | 237.6 |
(1) BAM manages its affairs on a statutory accounting basis. BAM’s statutory surplus includes the BAM Surplus Notes and is not reduced by accruals of interest expense on the BAM Surplus Notes. BAM’s statutory surplus is reduced only after a payment of principal or interest has been approved by the NYDFS. (2) Ark’s earned insurance premiums based on the location of Ark’s underwriting offices in the United Kingdom and Bermuda are $588.3 and $383.6.

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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