WHITE MOUNTAINS INSURANCE GROUP LTD — SC 13G Filings
27 SC 13G filings on record
This page lists all SC 13G filings submitted to the SEC by WHITE MOUNTAINS INSURANCE GROUP LTD (WTM), sorted by most recent first. Each row links to the full filing on EdgarLookup. WHITE MOUNTAINS INSURANCE GROUP LTD has filed 27 SC 13G documents with the SEC since 2009. To view all SEC filings by WHITE MOUNTAINS INSURANCE GROUP LTD, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
13F-HR
13F-NT
3
3/A
4
4/A
424B3
5
8-A12B
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DEFM14A
DEFR14A
N-PX
NT 11-K
PRE 14A
S-3
S-3/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13E4
SC 13E4/A
SC 13G
SC 13G/A
SC TO-C
SC TO-I
SC TO-I/A
SC TO-T
SC TO-T/A
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13G | — | 0001082327-23-000014 | Feb 14, 2023 | — |
| SC 13G | SC 13G | 0000776867-23-000002 | Feb 10, 2023 | — |
| SC 13G | SEC SCHEDULE 13G | 0000354204-23-001314 | Feb 10, 2023 | — |
| SC 13G | — | 0001341401-23-000014 | Feb 8, 2023 | — |
| SC 13G | SC 13G | 0000776867-21-000003 | Feb 12, 2021 | — |
| SC 13G | WHITE MOUNTAIN | 0000940394-21-000397 | Feb 12, 2021 | — |
| SC 13G | — | 0001341401-21-000021 | Feb 10, 2021 | — |
| SC 13G | ROBECO INVESTMENT MANAGEMENT INC. | 0001085146-19-000858 | Feb 14, 2019 | — |
| SC 13G | SEC SCHEDULE 13G | 0000902219-19-000038 | Feb 12, 2019 | — |
| SC 13G | — | 0000932471-16-012335 | Feb 11, 2016 | — |
| SC 13G | WTM AS OF 12/31/2013 | 0000080255-14-000439 | Feb 12, 2014 | — |
| SC 13G | — | 0001398344-13-005797 | Dec 10, 2013 | — |
| SC 13G | SCHEDULE 13G | 0000950157-13-000322 | Sep 17, 2013 | — |
| SC 13G | SCHEDULE 13G | 0000950157-13-000135 | Mar 18, 2013 | — |
| SC 13G | SEC FILING | 0000902219-10-000920 | Feb 12, 2010 | — |
| SC 13G | WTM AS OF 12/31/2009 | 0000080255-10-000114 | Feb 11, 2010 | — |
| SC 13G | SC 13G | 0001104659-07-010409 | Feb 14, 2007 | — |
| SC 13G | SC 13G | 0001104659-07-010412 | Feb 14, 2007 | — |
| SC 13G | SC 13G | 0001104659-07-010472 | Feb 14, 2007 | — |
| SC 13G | SCHEDULE 13G | 0001005477-06-001091 | Feb 15, 2006 | — |
| SC 13G | SC 13G | 0001104659-04-029464 | Oct 4, 2004 | — |
| SC 13G | SCHEDULE 13G | 0001047469-03-004097 | Feb 5, 2003 | — |
| SC 13G | SC 13G | 0001047469-03-004094 | Feb 5, 2003 | — |
| SC 13G | SCHEDULE 13G | 0001047469-03-004093 | Feb 5, 2003 | — |
| SC 13G | SCHEDULE 13G | 0000898430-00-003147 | Oct 30, 2000 | — |
| SC 13G | FORM 13-G | 0000912057-00-031847 | Jul 13, 2000 | — |
| SC 13G | SCHEDULE 13G | 0000912057-00-003139 | Jan 31, 2000 | — |