OneBeacon Insurance Group Ltd: Ownership

Ownership Information
Shares Outstanding 23.00 Mil
Institutional Ownership (%)91.27
Top 10 Institutions (%)75.60
Mutual Fund Ownership (%)1.19
5%/Insider Ownership (%)75.08
Float (%)24.92
Ownership Activity
Description# of HoldersShares
Total Positions 8920,991,628
New Positions110
Soldout Positions490
Net Position Change-38-1,888,655
Buyers451,107,715
Sellers83-2,996,370
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
J.P. Morgan Investment Management Inc. (New York) 6,686,547 -369,764 -5.2 9,384,880 28.7 0.1 09-30-09
Advisory Research, Inc. 4,074,657 243,926 6.4 11,204,542 17.5 1.3 09-30-09
T. Rowe Price Associates, Inc. 1,663,900 -3,500 -0.2 3,370,080 7.1 0.0 09-30-09
Wells Capital Management Inc. 1,037,628 25,900 2.6 2,429,909 4.4 0.0 09-30-09
Marshfield Associates 940,313 -197,503 -17.4 -381,168 4.0 1.6 09-30-09
Vanguard Group, Inc. 888,124 14,074 1.6 1,985,180 3.8 0.0 09-30-09
Royce & Associates, LLC 717,120 -8,600 -1.2 1,369,562 3.1 0.1 09-30-09
Dimensional Fund Advisors, LP 568,871 95,919 20.3 2,287,479 2.4 0.0 09-30-09
BlackRock Institutional Trust Company, N.A. 438,010 65,331 17.5 1,661,639 1.9 0.0 09-30-09
Frontier Capital Management Company, LLC 378,345 -3,500 -0.9 734,692 1.6 0.1 09-30-09
Numeric Investors LLC 238,423 47,387 24.8 1,042,721 1.0 0.0 09-30-09
Invesco PowerShares Capital Management LLC 194,355 103,555 114.0 1,608,986 0.8 0.0 09-30-09
State Street Global Advisors (US) 188,321 1,362 0.7 401,980 0.8 0.0 09-30-09
Brandywine Global Investment Management, LLC 161,740 19,100 13.4 554,846 0.7 0.0 09-30-09
Bares Capital Management, Inc. 161,432 44,711 38.3 853,608 0.7 1.2 09-30-09
*Category Headings:
Shs Held - shares held at report date
Shs Chg - position change within reporting period
%Chg - % change
$Chg - market value of the position change
%Out - % of shares outstanding
%Port - % Portfolio
Rpt Date - report date
Page generated 2/10/2010 5:02 AM Eastern Time