AmerisourceBergen Corp: Ownership

Ownership Information
Shares Outstanding 285.00 Mil
Institutional Ownership (%)85.37
Top 10 Institutions (%)28.10
Mutual Fund Ownership (%)2.25
5%/Insider Ownership (%).82
Float (%)99.18
Ownership Activity
Description# of HoldersShares
Total Positions 434243,291,056
New Positions430
Soldout Positions1170
Net Position Change-120-24,983,456
Buyers19027,194,200
Sellers310-52,177,656
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
State Street Global Advisors (US) 11,360,261 1,048,955 10.2 71,320,072 4.0 0.1 09-30-09
BlackRock Institutional Trust Company, N.A. 11,284,412 -3,324,660 -22.8 -6,619,796 4.0 0.1 09-30-09
Columbia Management Advisors, LLC 10,023,183 -790,525 -7.3 32,483,656 3.5 0.2 09-30-09
Alpine Associates L.P. 8,300,000 0 0.0 38,512,000 2.9 12.6 09-30-09
Glenview Capital Management, L.L.C. 7,015,863 -412,279 -5.6 25,239,776 2.5 4.1 09-30-09
Lord, Abbett & Co. LLC 6,818,509 22,503 0.3 32,037,084 2.4 0.4 09-30-09
Aronson + Johnson + Ortiz, L.P. 6,744,300 -383,000 -5.4 24,499,132 2.4 0.9 09-30-09
Analytic Investors, LLC 6,636,952 41,154 0.6 31,525,528 2.3 1.9 09-30-09
BlackRock Investment Management, LLC 6,175,781 81,431 1.3 30,100,210 2.2 0.2 09-30-09
D. E. Shaw & Co., L.P. 5,833,843 -501,826 -7.9 18,166,638 2.0 0.4 09-30-09
Viking Global Investors LP 5,515,100 5,515,100 100.0 123,427,936 1.9 1.7 09-30-09
Putnam Investment Management, L.L.C. 5,157,814 -985,774 -16.0 6,444,626 1.8 0.4 09-30-09
LSV Asset Management 4,821,600 371,400 8.3 28,960,860 1.7 0.4 09-30-09
Acadian Asset Management LLC 3,750,578 -1,333,622 -26.2 -6,255,772 1.3 0.7 09-30-09
Pzena Investment Management, LLC 3,687,921 -2,811,003 -43.3 -32,755,240 1.3 0.8 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 8:10 AM Eastern Time