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WTM - As of  03/28/24, 06:32:26 AM:   82 Insider Transactions.

Sector: Financial    Industry: Property & Casualty Insurance
Prev Close:$833.91  Avg Vol(3m): 17,316  P/E: 21.20  EPS: 39.19

Email this page to a friend.    Insider Transactions for WTM

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
B 2020-03-06 09:29:24.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM VANGUARD GROUP INC 10.03% view
B 2020-02-11 19:35:02.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM VANGUARD GROUP INC 9.82% view
S 2020-02-11 12:41:59.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM Boston Partners 4.48% view
B 2020-01-27 15:36:28.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM WELLINGTON MANAGEMENT GROUP LLP 7.78% view
S 2019-02-14 13:49:07.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM PRICE T ROWE ASSOCIATES INC 0.2% view
B 2019-02-14 12:18:10.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM Boston Partners 5.51% view
B 2019-02-12 09:31:43.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM WELLINGTON MANAGEMENT GROUP LLP 7.05% view
B 2019-02-11 07:52:07.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM VANGUARD GROUP INC 8.96% view
B 2018-02-14 14:02:21.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM PRICE T ROWE ASSOCIATES INC 7.3% view
B 2018-02-08 11:54:51.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM VANGUARD GROUP INC 7.67% view
S 2017-10-10 13:07:36.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC 1.8% view
S 2017-08-09 13:18:59.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC 10.5% view
B 2017-02-10 13:46:13.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM VANGUARD GROUP INC 6.58% view
B 2017-02-07 12:44:14.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC 15.8% view
S 2016-10-11 12:25:25.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC 14.8% view
B 2016-02-09 13:39:25.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM PRICE T ROWE ASSOCIATES INC 5.6% view
B 2016-02-02 16:31:36.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC 24.1% view
S 2015-02-13 16:53:17.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM LONDON CO OF VIRGINIA 3.61% view
B 2015-02-11 12:01:50.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM PRICE T ROWE ASSOCIATES INC 5.4% view
B 2015-02-03 15:41:55.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC 23.8% view
B 2014-02-12 15:57:03.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM PRICE T ROWE ASSOCIATES INC 5.2% view
S 2014-02-11 19:44:32.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM LONDON CO OF VIRGINIA 5.18% view
S 2014-02-05 15:41:32.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM GILLESPIE GEORGE J III 1.0% view
S 2014-02-05 15:39:48.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM Mosley Daniel 1.0% view
B 2014-01-31 13:49:41.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC 23.3% view
B 2013-12-10 13:01:43.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM LONDON CO OF VIRGINIA 5.19% view
B 2013-09-17 16:45:16.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM GILLESPIE GEORGE J III 5.9% view
B 2013-03-18 14:04:06.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM Mosley Daniel 6.7% view
B 2013-02-13 08:50:53.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BYRNE JOHN J 10.1% view
S 2013-01-30 10:52:55.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC 22.1% view
B 2012-02-06 13:03:07.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC 23.1% view
B 2012-02-01 16:24:34.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BYRNE JOHN J 9.5% view
S 2012-01-20 16:17:42.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BARRETTE RAYMOND JOSEPH RENE 2.9% view
B 2011-02-14 13:55:26.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM WELLINGTON MANAGEMENT CO LLP 4.75% view
B 2011-02-10 12:32:13.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM PRICE T ROWE ASSOCIATES INC 0.6% view
B 2011-01-31 16:12:40.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BYRNE JOHN J 8.9% view
B 2011-01-27 18:06:48.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC 23.1% view
S 2010-01-27 16:44:52.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BYRNE JOHN J 8.3% view
S 2010-01-22 14:09:28.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC n/a view
B 2009-02-06 17:07:56.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BYRNE JOHN J 8.4% view
B 2009-02-06 17:06:41.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BARRETTE RAYMOND JOSEPH RENE 10.0% view
B 2009-01-15 14:19:28.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC 86.4% view
S 2008-11-03 15:02:16.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BERKSHIRE HATHAWAY INC 1.0% view
B 2008-03-21 14:57:25.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BYRNE JOHN J 7.0% view
S 2008-02-07 11:11:42.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC n/a view
S 2007-11-09 12:55:07.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM NEUBERGER BERMAN INC 1.305% view
B 2007-02-13 13:22:53.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM NEUBERGER BERMAN INC 7.463% view
S 2007-01-31 18:11:08.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC n/a view
S 2007-01-31 12:39:52.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BYRNE JOHN J 6.9% view
B 2007-01-31 11:16:49.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BARRETTE RAYMOND JOSEPH RENE 7.2% view
B 2006-02-15 00:00:00.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM NEUBERGER BERMAN INC 5.11% view
S 2006-02-07 00:00:00.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC n/a view
S 2006-02-03 00:00:00.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BYRNE JOHN J 7.3% view
S 2005-02-14 00:00:00.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC 18.5% view
S 2005-01-07 00:00:00.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BYRNE JOHN J 10.3% view
B 2005-01-07 00:00:00.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM WHITE MOUNTAINS INSURANCE GROUP LTD 10.3% view
S 2004-06-03 00:00:00.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BERKSHIRE HATHAWAY INC 15.9% view
S 2004-02-13 00:00:00.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BYRNE JOHN J 12.4% view
B 2004-02-13 00:00:00.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC 20.4% view
S 2003-02-05 00:00:00.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BYRNE JOHN J 14.8% view
B 2003-01-30 00:00:00.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC 14.9% view
B 2002-02-13 00:00:00.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM FRANKLIN MUTUAL ADVISERS LLC 14.4% view
S 2002-01-29 00:00:00.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BYRNE JOHN J 14.9% view
B 2001-01-29 00:00:00.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BYRNE JOHN J 21.2% view
B 2000-10-30 00:00:00.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BERKSHIRE HATHAWAY INC 19.9% view
B 2000-02-09 00:00:00.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM GSB INVESTMENT MANAGEMENT INC 11.0% view
S 2000-01-31 00:00:00.0 WHITE MOUNTAINS INSURANCE GROUP LTD WTM BYRNE JOHN J 21.0% view
B 1999-07-09 00:00:00.0 WHITE MOUNTAINS INSURANCE GROUP INC WTM FRANKLIN MUTUAL ADVISERS LLC 13.3% view
B 1999-02-10 00:00:00.0 FUND AMERICAN ENTERPRISES HOLDINGS INC WTM BYRNE JOHN J 26.0% view
B 1999-01-29 00:00:00.0 FUND AMERICAN ENTERPRISES HOLDINGS INC WTM FRANKLIN RESOURCES INC 20.8% view
B 1998-02-05 00:00:00.0 FUND AMERICAN ENTERPRISES HOLDINGS INC WTM BYRNE JOHN J 24.8% view
B 1997-02-21 00:00:00.0 FUND AMERICAN ENTERPRISES HOLDINGS INC WTM BYRNE JOHN J 20.8% view
S 1997-02-14 00:00:00.0 FUND AMERICAN ENTERPRISES HOLDINGS INC WTM HARRIS ASSOCIATES L P 2.71% view
B 1997-02-13 00:00:00.0 FUND AMERICAN ENTERPRISES HOLDINGS INC WTM FRANKLIN RESOURCES INC 17.4% view
B 1996-02-05 00:00:00.0 FUND AMERICAN ENTERPRISES HOLDINGS INC WTM HARRIS ASSOCIATES L P 6.88% view
B 1996-01-19 00:00:00.0 FUND AMERICAN ENTERPRISES HOLDINGS INC WTM HEINE SECURITIES CORP 16.5% view
S 1995-02-08 00:00:00.0 FUND AMERICAN ENTERPRISES HOLDINGS INC WTM HARRIS ASSOCIATES L P 6.03% view
B 1995-01-27 00:00:00.0 FUND AMERICAN ENTERPRISES HOLDINGS INC WTM HEINE SECURITIES CORP 11.31% view
B 1994-06-10 00:00:00.0 FUND AMERICAN ENTERPRISES HOLDINGS INC WTM HEINE SECURITIES CORP 10.3% view
B 1994-02-11 00:00:00.0 FUND AMERICAN ENTERPRISES HOLDINGS INC WTM HARRIS ASSOCIATES L P 7.54% view
B 1994-02-10 00:00:00.0 FUND AMERICAN ENTERPRISES HOLDINGS INC WTM LEHMAN BROTHERS INC 5.5% view
B 1994-02-09 00:00:00.0 FUND AMERICAN ENTERPRISES HOLDINGS INC WTM HEINE SECURITIES CORP 9.97% view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.