WHITE MOUNTAINS INSURANCE GROUP LTD — Investor Relations & Filings
White Mountains Insurance Group is a holding company that acquires and manages businesses and assets within the insurance and related financial services sectors. The company's strategy focuses on opportunistic, value-oriented acquisitions and patient, long-term investment. It utilizes a permanent capital base to provide enduring support and build partnerships with the owners and management teams of its portfolio companies. Through its subsidiaries, the company's operations include property and casualty insurance and reinsurance, municipal bond insurance, and providing capital solutions for asset and wealth management firms.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 8-K | 2026-05-21 | English | |
| 8-K | 2026-05-15 | English | |
| Regulatory Filings 2026 | 2026-05-12 | English | |
| Major Shareholding Notification 2026 | 2026-05-07 | English | |
| 10-Q - WHITE MOUNTAINS INSURANCE GROUP LTD (0000776867) (Filer) | 2026-05-06 | English | |
| 8-K - WHITE MOUNTAINS INSURANCE GROUP LTD (0000776867) (Filer) | 2026-05-06 | English |
Browse filings by year
18 yearsMarket data
Market data not available
Price history
Peer group · Non-life insurance
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|---|---|---|---|
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ALLSTATE CORP
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Alm. Brand
A financial services group specializing in insurance and pe…
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ALMB | DK | Financial and insurance activit… |
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Al-Rajhi Company for Cooperative Insurance
Provides Sharia-compliant insurance solutions for individua…
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8230 | SA | Financial and insurance activit… |
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Al Sagr Cooperative Insurance Co.
Provides Sharia-compliant cooperative insurance for individ…
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8180 | SA | Financial and insurance activit… |
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Al Sagr National Insurance Company PJSC
Provides quality-driven, comprehensive general insurance so…
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ASNIC | AE | Financial and insurance activit… |
WHITE MOUNTAINS INSURANCE GROUP LTD via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/31060/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=31060 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=31060 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=31060 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 31060}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for WHITE MOUNTAINS INSURANCE GROUP LTD (id: 31060)"
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