Antigenics Inc: Ownership

Ownership Information
Shares Outstanding 90.00 Mil
Institutional Ownership (%)13.84
Top 10 Institutions (%)11.60
Mutual Fund Ownership (%)2.95
5%/Insider Ownership (%)21.87
Float (%)78.13
Ownership Activity
Description# of HoldersShares
Total Positions 4712,458,974
New Positions170
Soldout Positions190
Net Position Change-3-557,949
Buyers264,175,203
Sellers29-4,733,152
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Invus Group, Ltd. 2,700,000 -693,333 -20.4 -1,503,066 3.0 1.6 09-30-09
Fidelity Management & Research 1,466,100 -153,400 -9.5 -349,928 1.6 0.0 09-30-09
Hudson Bay Capital Management LP 1,461,988 1,461,988 100.0 3,026,315 1.6 2.8 09-30-09
Ingalls & Snyder LLC (Asset Management) 1,459,000 1,000,000 217.9 -16,370 1.6 0.1 12-31-09
BlackRock Institutional Trust Company, N.A. 1,271,042 -224,149 -15.0 -493,892 1.4 0.0 09-30-09
Vanguard Group, Inc. 657,453 138,837 26.8 277,021 0.7 0.0 09-30-09
Oracle Investment Management, Inc. 480,897 -1,501,648 -75.7 -3,148,062 0.5 0.2 09-30-09
Wells Fargo Securities, LLC 327,562 86,334 35.8 173,886 0.4 0.0 09-30-09
Dimensional Fund Advisors, LP 326,639 -4,400 -1.3 -15,729 0.4 0.0 09-30-09
D. E. Shaw & Co., L.P. 278,086 278,086 100.0 575,638 0.3 0.0 09-30-09
BNY Mellon Asset Management 229,055 0 0.0 -327,549 0.3 0.0 12-31-09
California Public Employees' Retirement System 222,323 155,223 231.3 319,970 0.2 0.0 09-30-09
Northern Trust Investments, N.A. 192,111 48,144 33.4 96,779 0.2 0.0 09-30-09
Morgan Stanley & Co. Inc. 174,900 152,240 671.8 314,684 0.2 0.0 09-30-09
Millennium Management, L.L.C. 166,848 166,848 100.0 345,375 0.2 0.0 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 1:06 AM Eastern Time