{"ein":"942708455","kind":"company","verification":"filing-verified","name":"WHITE MOUNTAINS INSURANCE GROUP LTD","tickers":["WTM"],"exchanges":["NYSE"],"sicDescription":"Fire, Marine & Casualty Insurance","city":"HANOVER","state":"NH","stateOfIncorporation":"D0","cik":"0000776867","sourceName":"SEC EDGAR company submissions record","sourceUrl":"https://data.sec.gov/submissions/CIK0000776867.json","lastChecked":"2026-07-05"}