Calamos Asset Management Inc: Ownership

Ownership Information
Shares Outstanding 20.00 Mil
Institutional Ownership (%)86.16
Top 10 Institutions (%)55.50
Mutual Fund Ownership (%)1.87
5%/Insider Ownership (%)77.13
Float (%)22.87
Ownership Activity
Description# of HoldersShares
Total Positions 10317,231,734
New Positions50
Soldout Positions590
Net Position Change-37-3,563,862
Buyers561,651,757
Sellers93-5,215,619
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Morgan Stanley Investment Management Inc. (US) 2,765,911 51,955 1.9 -2,171,121 14.1 0.1 09-30-09
J.P. Morgan Investment Management Inc. (New York) 1,517,338 -32,911 -2.1 -2,057,579 7.7 0.0 09-30-09
Van Kampen Asset Management 1,375,560 16,371 1.2 -1,213,343 7.0 0.0 09-30-09
BlackRock Institutional Trust Company, N.A. 1,109,152 48,265 4.6 -483,591 5.7 0.0 09-30-09
Vanguard Group, Inc. 997,004 16,384 1.7 -815,676 5.1 0.0 09-30-09
Fidelity Management & Research 942,000 -3,700 -0.4 -1,041,307 4.8 0.0 09-30-09
Lord, Abbett & Co. LLC 707,824 140,118 24.7 1,233,849 3.6 0.0 09-30-09
Numeric Investors LLC 594,038 173,455 41.2 1,823,710 3.0 0.1 09-30-09
American Century Investment Management, Inc. 572,157 55,815 10.8 186,784 2.9 0.0 09-30-09
Principal Global Investors (Equity) 509,694 2,534 0.5 -499,424 2.6 0.0 09-30-09
State Street Global Advisors (US) 503,157 109,115 27.7 1,011,297 2.6 0.0 09-30-09
Symphony Asset Management LLC 356,856 -3,238 -0.9 -420,387 1.8 0.4 09-30-09
TIAA-CREF 223,045 68,543 44.4 732,945 1.1 0.0 09-30-09
AXA Rosenberg Investment Management LLC 195,439 70,149 56.0 784,591 1.0 0.0 09-30-09
Martingale Asset Management, L.P. 193,485 64,401 49.9 705,539 1.0 0.1 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 9:13 AM Eastern Time