WHITE MOUNTAINS INSURANCE GROUP LTD — Investor Relations & Filings
Filings indexed
1,038
across all filing types
Latest filing
2025-05-24
Director's Dealing
Country
BM
Bermuda
Listing
US
WTM
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 |
|---|---|---|---|
| STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 2025-05-24 | English | |
| STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 2025-05-24 | English | |
| STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 2025-05-24 | English | |
| STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 2025-05-24 | English | |
| STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 2025-05-24 | English | |
| STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 2025-05-24 | English |
Browse filings by year
18 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2025
15 filings
| |||||
| 9546413 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 2025-05-24 | English | ||
| 9546415 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 2025-05-24 | English | ||
| 9546416 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 2025-05-24 | English | ||
| 9546417 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 2025-05-24 | English | ||
| 9546418 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 2025-05-24 | English | ||
| 9546419 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 2025-05-24 | English | ||
| 9546420 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 2025-05-24 | English | ||
| 9546421 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 2025-05-24 | English | ||
| 9546422 | 8-K | 2025-05-22 | English | ||
| 9546423 | Regulatory Filings 2025 | 2025-05-12 | English | ||
| 9546424 | 10-Q | 2025-05-07 | English | ||
| 9546425 | 8-K | 2025-05-07 | English | ||
| 9546426 | 8-K | 2025-04-10 | English | ||
| 9546427 | ARS | 2025-04-02 | English | ||
| 9546428 | DEF 14A | 2025-04-02 | English | ||
Market data
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Peer group · Non-life insurance
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Leading general insurance provider since 1960, offering Mot…
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Admiral Group PLC
International financial services company specializing in in…
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ADM | GB | Financial and insurance activit… |
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Adriatic Osiguranje d.d.
A non-life insurance company offering over 150 products for…
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JDOS | HR | Financial and insurance activit… |
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AKSİGORTA A.Ş.
Offers comprehensive non-life insurance to retail and corpo…
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AKGRT | TR | Financial and insurance activit… |
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Al Ain Alahlia Insurance Co.
Offers a wide range of life and non-life insurance and rein…
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ALAIN | AE | Financial and insurance activit… |
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Al Buhaira National Insurance Company
An insurance provider offering comprehensive solutions and …
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ABNIC | AE | Financial and insurance activit… |
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Al-Etihad Cooperative Insurance Co.
Multi-line provider of Sharia-compliant insurance for motor…
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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 |
Full reference: API reference · OpenAPI schema
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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