Amkor Technology Inc: Ownership

Ownership Information
Shares Outstanding 183.00 Mil
Institutional Ownership (%)54.75
Top 10 Institutions (%)29.70
Mutual Fund Ownership (%).70
5%/Insider Ownership (%)33.18
Float (%)66.82
Ownership Activity
Description# of HoldersShares
Total Positions 161100,192,520
New Positions330
Soldout Positions810
Net Position Change-33-4,169,320
Buyers9725,724,696
Sellers130-29,894,016
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Fidelity Management & Research 21,242,488 -3,628,530 -14.6 28,757,112 11.6 0.0 09-30-09
BlackRock Institutional Trust Company, N.A. 6,425,703 531,426 9.0 16,387,850 3.5 0.0 09-30-09
Cadian Capital Management LLC 5,542,000 3,667,000 195.6 29,278,960 3.0 4.7 09-30-09
Vanguard Group, Inc. 4,774,368 174,901 3.8 11,138,168 2.6 0.0 09-30-09
AllianceBernstein L.P. 4,003,382 219,064 5.8 9,681,287 2.2 0.0 09-30-09
State Street Global Advisors (US) 3,158,899 962,355 43.8 11,365,537 1.7 0.0 09-30-09
Goldman Sachs Asset Management (US) 2,569,927 -1,528,175 -37.3 -1,661,943 1.4 0.0 09-30-09
American Century Investment Management, Inc. 2,364,843 539,486 29.6 7,654,435 1.3 0.0 09-30-09
Columbia Management Advisors, LLC 2,262,241 1,545,731 215.7 12,182,291 1.2 0.0 09-30-09
AXA Rosenberg Investment Management LLC 2,092,780 -838,760 -28.6 561,457 1.1 0.1 09-30-09
Goldman Sachs International 1,832,433 1,822,165 17,746.1 12,558,674 1.0 0.5 09-30-09
Delaware Investments 1,785,179 47,246 2.7 4,078,988 1.0 0.1 09-30-09
D. E. Shaw & Co., L.P. 1,752,212 1,308,608 295.0 9,961,408 1.0 0.0 09-30-09
DLS Capital Management, LLC 1,633,300 -400 0.0 454,572 0.9 5.2 12-31-09
Vicis Capital Management, L.L.C. 1,500,536 1,213,086 422.0 8,966,924 0.8 1.0 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 6:00 AM Eastern Time