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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Revenues: |  |  |
Earned insurance premiums | $ 1,691.6 | $ 1,440.9 | $ 1,076.7
Net investment income | 227.4 | 194.2 | 124.4
Net realized and unrealized investment gains (losses) | 184.9 | 434.2 | (191.5)
Interest income from BAM Surplus Notes | 15.8 | 0.0 | 0.0
Change in fair value of BAM Surplus Notes | 0.5 | 0.0 | 0.0
Unrealized loss on deconsolidation of BAM | (114.5) | 0.0 | 0.0
Commission and fees revenues | 149.4 | 13.2 | 11.5
Other revenues | 84.7 | 84.2 | 136.8
Total revenues | 2,239.8 | 2,166.7 | 1,157.9
Expenses: |  |  |
Broker commission expense | 51.3 |  |
Loss and loss adjustment expenses | 888.5 | 726.8 | 536.4
Acquisition expenses | 341.5 | 290.1 | 250.6
Cost of sales | 29.6 | 40.4 | 98.6
General and administrative expenses | 490.1 | 432.6 | 364.1
Change in fair value of contingent consideration | 61.3 | 48.7 | 17.3
Interest expense | 60.8 | 62.7 | 40.3
Total expenses | 1,923.1 | 1,601.3 | 1,307.3
Pre-tax income (loss) from continuing operations | 316.7 | 565.4 | (149.4)
Income tax (expense) benefit | (32.6) | 15.5 | (41.4)
Net income (loss) from continuing operations | 284.1 | 580.9 | (190.8)
Net income (loss) from discontinued operations, net of tax - NSM Group | 0.0 | 0.0 | 16.4
Net income (loss) | 284.1 | 580.9 | 712.4
Net (income) loss attributable to noncontrolling interests | (53.7) | (71.7) | 80.4
Net income (loss) attributable to White Mountains’s common shareholders | 230.4 | 509.2 | 792.8
NSM Group |  |  |
Expenses: |  |  |
Net income (loss) from discontinued operations, net of tax - NSM Group | 0.0 | 0.0 | 16.4
Net gain (loss) from sale of discontinued operations, net of tax - NSM Group | 0.0 | 0.0 | 886.8
Investments, Excluding MediaAlpha |  |  |
Revenues: |  |  |
Net realized and unrealized investment gains (losses) | 146.9 | 407.1 | (98.5)
MediaAlpha |  |  |
Revenues: |  |  |
Net realized and unrealized investment gains (losses) | 38.0 | 27.1 | (93.0)
Other Operations |  |  |
Revenues: |  |  |
Earned insurance premiums | 32.7 | 0.0 | 0.0
Net investment income | 35.6 | 30.1 | 32.2
Interest income from BAM Surplus Notes | 0.0 | 0.0 | 0.0
Change in fair value of BAM Surplus Notes | 0.0 |  |
Unrealized loss on deconsolidation of BAM | 0.0 |  |
Commission and fees revenues | 14.8 | 13.2 | 11.5
Other revenues | 56.8 | 80.5 | 127.2
Total revenues | 234.9 | 339.4 | 76.3
Expenses: |  |  |
Broker commission expense | 0.0 |  |
Loss and loss adjustment expenses | 12.1 | 0.0 | 0.0
Acquisition expenses | 12.1 | 0.0 | 0.0
Cost of sales | 29.6 | 40.4 | 98.6
General and administrative expenses | 169.5 | 182.3 | 174.1
Change in fair value of contingent consideration | 0.0 | 0.0 | 0.0
Interest expense | 2.5 | 3.7 | 1.9
Total expenses | 225.8 | 226.4 | 274.6
Pre-tax income (loss) from continuing operations | 9.1 | 113.0 | (198.3)
Other Operations | Investments, Excluding MediaAlpha |  |  |
Revenues: |  |  |
Net realized and unrealized investment gains (losses) | 57.0 | 188.5 | (1.6)
Other Operations | MediaAlpha |  |  |
Revenues: |  |  |
Net realized and unrealized investment gains (losses) | 38.0 | 27.1 | (93.0)
P&C Insurance and Reinsurance (Ark/WM Outrigger) |  |  |
Revenues: |  |  |
Earned insurance premiums | 1,587.8 | 1,409.7 | 1,043.4
Expenses: |  |  |
Loss and loss adjustment expenses | 855.8 | 726.8 | 536.4
P&C Insurance and Reinsurance (Ark/WM Outrigger) | Operating Segments |  |  |
Revenues: |  |  |
Earned insurance premiums | 1,587.8 | 1,409.7 | 1,043.4
Net investment income | 90.7 | 61.4 | 16.3
Net realized and unrealized investment gains (losses) | 50.1 | 85.9 | (55.2)
Other revenues | 22.3 | 0.8 | 5.0
Total revenues | 1,750.9 | 1,557.8 | 1,009.5
Expenses: |  |  |
Loss and loss adjustment expenses | 855.8 | 726.8 | 536.4
Acquisition expenses | 307.1 | 281.5 | 239.4
General and administrative expenses | 208.4 | 162.0 | 106.2
Change in fair value of contingent consideration | 61.3 | 48.7 | 17.3
Interest expense | 19.5 | 21.3 | 15.1
Total expenses | 1,452.1 | 1,240.3 | 914.4
Financial Guarantee (HG Global) |  |  |
Revenues: |  |  |
Earned insurance premiums | 31.7 | 31.2 | 33.3
Financial Guarantee (HG Global) | Operating Segments |  |  |
Revenues: |  |  |
Earned insurance premiums | 31.7 | 31.2 | 33.3
Net investment income | 32.2 | 31.7 | 21.5
Net realized and unrealized investment gains (losses) | (11.5) | 26.6 | (105.8)
Interest income from BAM Surplus Notes | 15.8 | 0.0 | 0.0
Change in fair value of BAM Surplus Notes | 0.5 | 0.0 | 0.0
Unrealized loss on deconsolidation of BAM | (114.5) | 0.0 | 0.0
Other revenues | 1.2 | 2.9 | 4.6
Total revenues | (44.6) | 92.4 | (46.4)
Expenses: |  |  |
Broker commission expense | 0.0 |  |
Acquisition expenses | 8.2 | 8.6 | 11.2
General and administrative expenses | 35.7 | 68.9 | 69.1
Interest expense | 16.7 | 16.5 | 8.3
Total expenses | 60.6 | 94.0 | 88.6
Asset Management (Kudu) | Operating Segments |  |  |
Revenues: |  |  |
Earned insurance premiums | 0.0 | 0.0 | 0.0
Net investment income | 66.7 | 71.0 | 54.4
Net realized and unrealized investment gains (losses) | 51.3 | 106.1 | 64.1
Interest income from BAM Surplus Notes | 0.0 | 0.0 | 0.0
Change in fair value of BAM Surplus Notes | 0.0 |  |
Unrealized loss on deconsolidation of BAM | 0.0 |  |
Commission and fees revenues | 0.0 | 0.0 | 0.0
Other revenues | 0.8 | 0.0 | 0.0
Total revenues | 118.8 | 177.1 | 118.5
Expenses: |  |  |
Broker commission expense | 0.0 |  |
Loss and loss adjustment expenses | 0.0 | 0.0 | 0.0
Acquisition expenses | 0.0 | 0.0 | 0.0
Cost of sales | 0.0 | 0.0 | 0.0
General and administrative expenses | 15.4 | 19.4 | 14.7
Change in fair value of contingent consideration | 0.0 | 0.0 | 0.0
Interest expense | 22.1 | 21.2 | 15.0
Total expenses | 37.5 | 40.6 | 29.7
Pre-tax income (loss) from continuing operations | 81.3 | 136.5 | 88.8
Asset Management (Kudu) | Operating Segments | Investments, Excluding MediaAlpha |  |  |
Revenues: |  |  |
Net realized and unrealized investment gains (losses) | 51.3 | 106.1 | 64.1
Asset Management (Kudu) | Operating Segments | MediaAlpha |  |  |
Revenues: |  |  |
Net realized and unrealized investment gains (losses) | 0.0 | 0.0 | 0.0
P&C Insurance Distribution (Bamboo) |  |  |
Expenses: |  |  |
Loss and loss adjustment expenses | 20.6 |  |
P&C Insurance Distribution (Bamboo) | Operating Segments |  |  |
Revenues: |  |  |
Earned insurance premiums | 39.4 | 0.0 | 0.0
Net investment income | 2.2 |  |
Interest income from BAM Surplus Notes | 0.0 |  |
Change in fair value of BAM Surplus Notes | 0.0 |  |
Unrealized loss on deconsolidation of BAM | 0.0 |  |
Commission and fees revenues | 134.6 | 0.0 | 0.0
Other revenues | 5.8 | 0.0 | 0.0
Total revenues | 179.8 | 0.0 | 0.0
Expenses: |  |  |
Broker commission expense | 51.3 | 0.0 | 0.0
Loss and loss adjustment expenses | 20.6 | 0.0 | 0.0
Acquisition expenses | 14.1 | 0.0 | 0.0
Cost of sales | 0.0 |  |
General and administrative expenses | 61.1 | 0.0 | 0.0
Change in fair value of contingent consideration | 0.0 |  |
Interest expense | 0.0 |  |
Total expenses | 147.1 | $ 0.0 | $ 0.0
Pre-tax income (loss) from continuing operations | 32.7 |  |
P&C Insurance Distribution (Bamboo) | Operating Segments | Investments, Excluding MediaAlpha |  |  |
Revenues: |  |  |
Net realized and unrealized investment gains (losses) | 0.0 |  |
P&C Insurance Distribution (Bamboo) | Operating Segments | MediaAlpha |  |  |
Revenues: |  |  |
Net realized and unrealized investment gains (losses) | $ 0.0 |  |

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