White Mountains Insurance Group Ltd
Fire, Marine & Casualty Insurance
23 South Main Street, Suite 3b, Hanover, NH, 03755 Insider Ownership
Above 5% Ownership
- SC 13G
- SC 13G
- SC 13G/A
- 13F-HR
- 13F-HR/A
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G
- SC 13G/A
- SC 13G/A
- SC 13G/A
- 13F-NT
- SC 13G
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G
- SC 13G/A
- SC 13G
- SC 13D/A
- SC 13G
- SC 13G/A
- SC 13G
- SC 13G
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G
- SC 13G
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G
- SC 13G
- SC 13G/A
- SC 13G/A
- SC 13G
- SC 13G
- SC 13G
- SC 13G/A
- SC 13G/A
- SC 13D/A
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G
- SC 13G/A
- 4
- SC 13G
- SC 13G/A
- SC 13G
- SC 13G/A
- SC 13G
- 13F-HR
- 13F-HR
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G/A
- SC 13G
- SC 13G
- 13F-HR
- 13F-HR
Barrette Raymond Joseph Rene
Barrette Raymond Joseph Rene
17 Nov 16
Barrette Raymond Joseph Rene
03 Mar 09
Barrette Raymond Joseph Rene
26 Feb 09
Barrette Raymond Joseph Rene
28 Sep 06
Barrette Raymond Joseph Rene
24 Jun 03
Bazos Frank R
Bazos Frank R
02 Mar 20
Bazos Frank R
03 May 19
Bazos Frank R
06 Sep 17
Bazos Frank R
05 Jul 17
Bazos Frank R
22 May 17
Beaulieu Dennis Paul
Beaulieu Dennis Paul
08 May 03
Statement Of Changes In Beneficial Ownership Of Securities.
06 Dec 02
Berkowitz Bruce R
Berkowitz Bruce R
16 Oct 15
Berkowitz Bruce R
06 Feb 15
Berkowitz Bruce R
10 Jun 09
Fairholme Capital Management Llc
17 Dec 08
Berkowitz Bruce R
24 May 04
Brouillette Yves
Brouillette Yves
13 Mar 19
Brouillette Yves
28 May 13
Brouillette Yves
29 May 12
Brouillette Yves
31 May 11
Brouillette Yves
27 Aug 07
Byrne John Joseph
Byrne John Joseph
01 Sep 05
Byrne John Joseph
01 Sep 05
Statement Of Changes In Beneficial Ownership Of Securities.
18 Mar 03
Statement Of Changes In Beneficial Ownership Of Securities.
13 Jan 03
Initial Statement Of Beneficial Ownership.
09 Oct 02
Byrne Mark James
Byrne Mark James
22 Sep 10
Byrne Mark James
27 May 10
Byrne Mark James
06 Apr 10
Byrne Mark James
13 Nov 08
Byrne Mark James
29 Mar 07
Caffrey Liam P
Caffrey Liam P
23 Feb 24
Caffrey Liam P
24 Feb 23
Caffrey Liam P
07 Mar 22
Campbell Reid Tarlton
Campbell Reid Tarlton
02 Jan 19
Campbell Reid Tarlton
05 Jan 16
Campbell Reid Tarlton
10 Dec 12
Campbell Reid Tarlton
28 Dec 11
Campbell Reid Tarlton
29 Dec 08
Carlson Peter M
Carlson Peter M
30 Jul 21
Carlson Peter M
28 Feb 13
Carlson Peter M
23 Apr 08
Carlson Peter M
20 Apr 07
Carlson Peter M
21 Feb 07
Cavoores John Paul
Cavoores John Paul
11 Feb 15
Cavoores John Paul
09 Jun 14
Cavoores John Paul
18 Dec 12
Cavoores John Paul
07 Dec 12
Cavoores John Paul
10 Jun 03
Chokel Charles Bergen
Chokel Charles Bergen
27 Jun 08
Chokel Charles Bergen
28 Mar 08
Chokel Charles Bergen
29 Feb 08
Annual Statement Of Changes In Beneficial Ownership Of Securities.
13 Feb 08
Annual Statement Of Changes In Beneficial Ownership Of Securities.
10 Feb 04
Choksi Mary C
Choksi Mary C
03 Apr 24
Choksi Mary C
05 Jan 21
Choksi Mary C
04 Oct 11
Choksi Mary C
05 Jul 06
Choksi Mary C
02 Dec 05
Clark Howard Longstreth Jr
Clark Howard Longstreth Jr
06 Aug 18
Clark Howard Longstreth Jr
29 May 12
Clark Howard Longstreth Jr
12 Jun 09
Clark Howard Longstreth Jr
17 Oct 08
Clark Howard Longstreth Jr
31 Jan 08
Cochran Robert Phillips
Cochran Robert Phillips
31 May 11
Cochran Robert Phillips
16 Jul 10
Cochran Robert Phillips
14 Jul 09
Cochran Robert Phillips
10 Jun 09
Cochran Robert Phillips
02 Jun 08
Davis Morgan W
Davis Morgan W
29 Dec 22
Davis Morgan W
01 Dec 11
Davis Morgan W
28 Sep 07
Davis Morgan W
04 Apr 07
Davis Morgan W
29 Mar 05
Dillon Margaret
Dillon Margaret
20 Dec 22
Dillon Margaret
15 Dec 21
Dillon Margaret
16 Mar 20
Dillon Margaret
10 Sep 19
Dillon Margaret
06 Sep 19
Dorcus Mark Kevin
Dorcus Mark Kevin
10 Aug 05
Fass Steve Elliott
Fass Steven Elliot
10 May 19
Fass Steven Elliot
11 May 18
Fass Steven Elliot
06 Aug 14
Fass Steve Elliott
29 Jun 06
Fass Steve Elliott
27 Feb 04
Foy David Thomas
Foy David Thomas
26 May 17
Foy David Thomas
25 Aug 16
Foy David Thomas
27 Feb 15
Foy David Thomas
02 Mar 09
Foy David Thomas
07 Nov 06
Frinquelli Angelo Michael
Frinquelli Angelo Michael
04 Dec 12
Frinquelli Angelo Michael
26 Mar 09
Annual Statement Of Changes In Beneficial Ownership Of Securities.
11 Feb 09
Frinquelli Angelo Michael
21 Nov 05
Frinquelli Angelo Michael
21 Jun 05
Gelston Philip A
Gelston Philip A
24 May 24
Gelston Philip A
26 May 23
Gelston Philip A
28 May 21
Gelston Philip A
25 May 18
Gelston Philip A
05 Mar 18
Gillespie George Joseph Iii
Gillespie George Joseph Iii
16 Jul 10
Gillespie George Joseph Iii
10 Jun 09
Gillespie George Joseph Iii
02 Jun 08
Gillespie George Joseph Iii
29 May 07
Gillespie John Davies
Gillespie John Davies
05 Jul 06
Gillespie John Davies
04 Apr 06
Gillespie John Davies
10 Nov 05
Gillespie John Davies
24 Mar 05
Gillespie John Davies
08 May 03
Harrison Giles E
Harrison Giles E
10 Jun 24
Harrison Giles E
10 Jun 24
Hicks Weston M
Hicks Weston M
26 May 15
Hicks Weston M
02 Apr 15
Hicks Weston M
20 Oct 11
Hicks Weston M
01 Mar 10
Hicks Weston M
03 Aug 05
Hildreth Michaela
Hildreth Michaela
23 Feb 24
Hildreth Michaela
27 Dec 22
Hildreth Michaela
28 Feb 22
Hildreth Michaela
21 Jun 21
Hildreth Michaela
20 May 21
Holiday Edith E
Holiday Edith E
08 Mar 22
Holiday Edith E
31 Aug 11
Holiday Edith E
03 Apr 07
Holiday Edith E
02 May 06
Statement Of Changes In Beneficial Ownership Of Securities.
30 Sep 02
Hutton Tom
Hutton George Thompson
01 Dec 21
Hutton George Thompson
14 Jan 09
Hutton Tom
25 Jan 06
Hutton Tom
06 May 05
Hutton Tom
28 Jan 04
Kemp Karl Thomas
Kemp Karl Thomas
02 Jan 09
Kemp Karl Thomas
30 Jun 08
Kemp Karl Thomas
30 Dec 03
Kemp Karl Thomas
12 Dec 03
Kemp Karl Thomas
08 May 03
Linker David
Linker David
03 Mar 17
Linker David
04 Jan 17
Linker David
04 Mar 16
Linker David
29 Feb 16
Lusardi Robert R
Lusardi Robert R
11 May 15
Lusardi Robert R
12 May 14
Lusardi Robert R
31 Jan 08
Lusardi Robert R
14 Aug 07
Lusardi Robert R
16 Mar 04
Miller T Michael
Miller T Michael
03 Mar 16
Miller T Michael
25 Feb 14
Miller T Michael
08 Jul 05
Miller T Michael
04 Feb 04
Statement Of Changes In Beneficial Ownership Of Securities.
07 Feb 03
Oberting Kernan V
Oberting Kernan V
01 Mar 19
Oberting Kernan V
14 Sep 15
Oberting Kernan V
05 Jan 15
Oberting Kernan V
21 Nov 14
Kvo Capital Management, Llc
16 Jul 10
Palmer Jess Brian
Palmer Jess Brian
30 Sep 19
Palmer Jess Brian
14 Jun 18
Palmer Jess Brian
03 Jan 14
Palmer Jess Brian
24 Feb 12
Palmer Jess Brian
02 Mar 09
Ritchie James Joseph
Ritchie James Joseph
21 Jan 22
Ritchie James Joseph
25 Jan 18
Ritchie James Joseph
18 Jan 18
Ritchie James Joseph
02 Oct 06
Ritchie James Joseph
08 May 03
Rountree George Manning
Rountree George Manning
26 Feb 21
Rountree George Manning
04 Jan 21
Rountree George Manning
01 Mar 13
Rountree George Manning
25 Feb 11
Rountree George Manning
06 Mar 09
Seelig Robert Lawrence
Seelig Robert Lawrence
28 Feb 22
Seelig Robert Lawrence
04 Jan 21
Seelig Robert Lawrence
02 Mar 20
Seelig Robert Lawrence
06 May 10
Seelig Robert Lawrence
24 Jun 08
Shank Suzanne F.
Shank Suzanne F.
12 Oct 21
Shank Suzanne F.
27 May 21
Shank Suzanne F.
05 Aug 20
Shank Suzanne F.
20 Apr 20
Shank Suzanne F.
23 Jan 19
Smith Lowndes Andrew
Smith Lowndes Andrew
28 Sep 17
Notice Of Proposed Sale Of Securities Under Rule 144.
19 May 17
Smith Lowndes Andrew
29 May 12
Smith Lowndes Andrew
18 Jun 10
Smith Lowndes Andrew
04 Feb 10
Tanner David Allen
Tanner David Allen
26 May 23
Tanner David Allen
27 Mar 19
Tanner David Allen
27 Aug 18
Tanner David Allen
13 Feb 18
Tanner David Allen
28 Feb 05
Tolman Gary Charles
Tolman Gary Charles
02 Apr 24
Tolman Gary Charles
03 Oct 23
Tolman Gary Charles
17 Nov 22
Tolman Gary Charles
02 Mar 09
Tolman Gary Charles
06 Dec 07
Waters Allan Lewis
Waters Allan Lewis
01 Mar 13
Annual Statement Of Changes In Beneficial Ownership Of Securities.
02 Feb 12
Waters Allan Lewis
26 Feb 10
Waters Allan Lewis
13 Mar 08
Waters Allan Lewis
07 Nov 06
Yi Steven
Yi Steven
20 May 24
Yi Steven
26 May 23
Yi Steven
17 May 22
Yi Steven
24 Mar 22
Yi Steven
06 Aug 21
Eaton Vance Management
13 Apr 21
12 Feb 21
Amended Statement Of Beneficial Ownership Of More Than 5%.
14 Feb 18
Quarterly Holdings Report
22 May 08
20 Feb 04
Lehman Brothers Inc//
Lehman Brothers Holdings Inc
02 Sep 05
Scanned Paper Annual Report Submission.
27 Feb 04
Quarterly Filing
15 Jul 99
10 Feb 94
Registration Statement Under The Securities Act.
07 Jan 94
Price T Rowe Associates Inc /md/
Amended Statement Of Beneficial Ownership Of More Than 5%.
14 Feb 22
Amended Statement Of Beneficial Ownership Of More Than 5%.
14 Feb 22
10 Feb 16
10 Feb 98
05 Feb 98
Barrette Raymond Joseph Rene
Barrette Raymond Joseph Rene
17 Nov 16
Barrette Raymond Joseph Rene
03 Mar 09
Barrette Raymond Joseph Rene
26 Feb 09
Barrette Raymond Joseph Rene
28 Sep 06
Barrette Raymond Joseph Rene
24 Jun 03
Berkshire Hathaway Inc
14 Feb 24
Jain Ajit
12 Mar 18
Annual Report Of Employee Stock Purchase, Savings, And Similar Plans.
22 Jun 16
Amended Statement Of Beneficial Ownership Of More Than 5%.
12 Feb 14
Munger Charles T
23 Nov 10
Wellington Management Group Llp
12 Feb 19
12 Mar 12
14 Feb 08
12 Feb 02
13 Feb 01
Dimensional Fund Advisors Lp
12 Feb 20
09 Feb 17
09 Feb 07
02 Feb 07
09 Feb 05
Morgan Stanley
Prospectus Filed Pursuant To Rule 424(b)(2).
29 Oct 24
Prospectus Filed Pursuant To Rule 424(b)(2).
07 May 24
Prospectus Filed Pursuant To Rule 424(b)(2).
26 Dec 23
Prospectus Filed Pursuant To Rule 424(b)(2).
30 Aug 22
Free Writing Prospectuses - Filing Under Securities Act Rules 163/433.
30 Aug 21
Franklin Mutual Advisers Llc
13 Nov 23
03 Feb 15
Amended Statement Of Beneficial Ownership Of More Than 5%.
30 Jan 13
Amended Statement Of Beneficial Ownership Of More Than 5%.
26 Oct 09
Amended Statement Of Beneficial Ownership Of More Than 5%.
11 Jun 01
Gillespie George J Iii
Amended Statement Of Beneficial Ownership Of More Than 5%.
05 Feb 14
17 Sep 13
Statement Of Changes In Beneficial Ownership Of Securities.
08 Aug 01
Statement Of Changes In Beneficial Ownership Of Securities.
10 Feb 00
Acquired More Than 5% Ownership Of Any Class Of A Company's Securities.
16 Feb 95
Byrne John J
Amended Statement Of Beneficial Ownership Of More Than 5%.
01 Feb 12
Amended Statement Of Beneficial Ownership Of More Than 5%.
31 Jan 07
Amended Statement Of Beneficial Ownership Of More Than 5%.
13 Feb 06
11 Feb 05
05 Feb 98
Mosley Daniel
Amended Statement Of Beneficial Ownership Of More Than 5%.
12 Sep 19
Amended Statement Of Beneficial Ownership Of More Than 5%.
01 Feb 19
12 Feb 15
Amended Statement Of Beneficial Ownership Of More Than 5%.
05 Feb 14
18 Mar 13
Heine Securities Corp /adv
Amended Statement Of Beneficial Ownership Of More Than 5%.
29 May 96
01 Feb 96
01 Feb 96
09 Feb 94
09 Feb 94
White Mountains Insurance Group Ltd
Quarterly Filing
02 Nov 16
05 Feb 14
Davis Morgan W
12 Dec 13
Annual Report Of Employee Stock Purchase, Savings, And Similar Plans.
29 Jun 11
Dorcus Mark Kevin
10 Aug 05
Fuller & Thaler Asset Management, Inc.
Amended Statement Of Beneficial Ownership Of More Than 5%.
08 Feb 22
Amended Statement Of Beneficial Ownership Of More Than 5%.
14 Feb 19
Amended Statement Of Beneficial Ownership Of More Than 5%.
14 Feb 19
Amended Statement Of Beneficial Ownership Of More Than 5%.
14 Feb 18
13 Feb 03
Gsb Investment Management Inc /adv
09 Feb 00
16 Feb 99
16 Feb 99
18 Feb 98
10 Apr 97
Harris Associates L P
11 Feb 11
14 Feb 03
05 Feb 01
10 Nov 97
12 Feb 96
River Road Asset Management, Llc
14 Jan 20
Amended Statement Of Beneficial Ownership Of More Than 5%.
09 Feb 18
Amended Statement Of Beneficial Ownership Of More Than 5%.
06 Nov 17
Amended Statement Of Beneficial Ownership Of More Than 5%.
21 Oct 14
Amended Statement Of Beneficial Ownership Of More Than 5%.
09 Feb 12
Vanguard Group Inc
11 Feb 19
11 Feb 16
10 Feb 16
12 Feb 14
12 Feb 14
Franklin Resources Inc
07 Feb 17
02 Feb 15
06 Nov 06
09 Feb 01
06 Jan 00
London Co Of Virginia
06 Jun 16
Amended Statement Of Beneficial Ownership Of More Than 5%.
06 Feb 13
12 Dec 12
Quarterly Holdings Report
30 Oct 12
Quarterly Holdings Report
14 May 12
Neuberger Berman Inc
Amended Statement Of Beneficial Ownership Of More Than 5%.
12 Feb 09
Amended Statement Of Beneficial Ownership Of More Than 5%.
08 Feb 08
Amended Statement Of Beneficial Ownership Of More Than 5%.
13 Feb 07
Amended Statement Of Beneficial Ownership Of More Than 5%.
23 Feb 05
12 Feb 02
Boston Partners
14 Nov 24
11 Feb 22
13 Feb 18
Quarterly Holdings Report
09 Feb 15
Quarterly Holdings Report
07 Aug 09