secwatch.observer — SEC 8-K summary
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Issuer:     WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)
CIK:        0000776867
Form:       8-K
Filed at:   2024-05-09T23:59:59+00:00
Accession:  0000776867-24-000009
Event type: earnings
Sentiment:  positive
Materiality: 0.75
Item codes: 2.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

White Mountains Q1 ABVPS up 6% to $1,797; MediaAlpha gain $211M
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- Comprehensive income $236M vs $180M YoY; driven by $211M MediaAlpha unrealized gains.
- Ark combined ratio 94%; gross written premiums $872M (+8% YoY).
- Bamboo managed premiums $90M (3x YoY); MGA adj. EBITDA $6M.
- BAM insured $3.6B municipal bonds (+24% YoY); gross premiums $22M.
- Kudu adj. EBITDA $14M; trailing 12-month net investment income up 4% QoQ.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/776867/000077686724000009/0000776867-24-000009-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/776867/000077686724000009/wtm-20240509.htm
  HTML page:      https://secwatch.observer/filing/0000776867-24-000009

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer