Tower Group Inc: Ownership

Ownership Information
Shares Outstanding 40.00 Mil
Institutional Ownership (%)89.89
Top 10 Institutions (%)35.50
Mutual Fund Ownership (%)2.49
5%/Insider Ownership (%)12.97
Float (%)87.03
Ownership Activity
Description# of HoldersShares
Total Positions 17735,957,636
New Positions260
Soldout Positions800
Net Position Change-33-2,096,333
Buyers1034,939,918
Sellers136-7,036,251
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Barclays Global Investors, N.A. 2,573,594 370,080 16.8 9,501,109 6.4 0.0 06-30-09
Vanguard Group, Inc. 1,544,772 103,326 7.2 2,776,635 3.8 0.0 06-30-09
Rainier Investment Management, Inc. 1,488,075 232,600 18.5 5,952,150 3.7 0.3 06-30-09
NWQ Investment Management Company, LLC 1,485,343 -120,545 -7.5 -2,746,221 3.7 0.3 06-30-09
Wells Capital Management Inc. 1,309,201 139,597 11.9 3,634,654 3.2 0.1 06-30-09
TCW Asset Management Company 1,260,502 240,417 23.6 5,465,938 3.1 0.1 09-30-09
Columbia Wanger Asset Management, L.P. 1,176,500 0 0.0 -458,835 2.9 0.2 09-30-09
The Boston Company Asset Management, LLC 1,134,932 17,905 1.6 1,062 2.8 0.1 09-30-09
Friess Associates LLC 1,129,687 41,187 3.8 1,183,889 2.8 0.3 06-30-09
Westfield Capital Management Company, LP 1,106,125 11,225 1.0 -153,233 2.7 0.3 09-30-09
Columbia Management Advisors, LLC 967,710 -628,655 -39.4 -15,955,478 2.4 0.0 09-30-09
Lord, Abbett & Co. LLC 957,883 5,200 0.5 271,759 2.4 0.1 06-30-09
Omega Advisors, Inc. 905,763 -50,600 -5.3 -1,110,414 2.2 1.1 06-30-09
State Street Global Advisors (US) 670,081 -132,591 -16.5 -3,165,204 1.7 0.0 06-30-09
Arbor Capital Management, LLC (MN) 627,500 10,600 1.7 355,203 1.6 1.8 06-30-09
*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 11/24/2009 11:47 PM Eastern Time