0001104659-21-021922.txt : 20210212 0001104659-21-021922.hdr.sgml : 20210212 20210212161106 ACCESSION NUMBER: 0001104659-21-021922 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20201231 FILED AS OF DATE: 20210212 DATE AS OF CHANGE: 20210212 EFFECTIVENESS DATE: 20210212 FILER: COMPANY DATA: COMPANY CONFORMED NAME: WHITE MOUNTAINS ADVISORS LLC CENTRAL INDEX KEY: 0001253840 IRS NUMBER: 046140276 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-10494 FILM NUMBER: 21627403 BUSINESS ADDRESS: STREET 1: 200 HUBBARD RD CITY: GUILFORD STATE: CT ZIP: 06437 BUSINESS PHONE: 203-458-5800 MAIL ADDRESS: STREET 1: 200 HUBBARD RD CITY: GUILFORD STATE: CT ZIP: 06437 13F-HR 1 primary_doc.xml 13F-HR LIVE 0001253840 XXXXXXXX 12-31-2020 12-31-2020 false White Mountains Advisors LLC

200 Hubbard Rd Guilford CT 06437

13F HOLDINGS REPORT 028-10494 N Mark J. Plourde 203-458-5805 /s/ Mark J. Plourde Guilford CT 02-12-2021 0 0 0 false INFORMATION TABLE 2 a21-6365_1informationtable.xml INFORMATION TABLE 0 0 000000000 0 0 SH SOLE 0 0 0