13F-NT
LIVE
0001369817
XXXXXXXX
12-31-2013
12-31-2013
false
OneBeacon Insurance Group, Ltd.
601 Carlson Parkway
Suite 600
Minnetonka
MN
55305
13F NOTICE
028-12951
028-04685
Prospector Partners, LLC
028-10494
White Mountain Advisors LLC
N
John C. Treacy
Chief Accounting Officer and Treasurer
952-852-6033
John C. Treacy
Minnetonka
MN
01-31-2014