Magellan Health Services Inc: Ownership

Ownership Information
Shares Outstanding 35.00 Mil
Institutional Ownership (%)100.29
Top 10 Institutions (%)53.40
Mutual Fund Ownership (%)1.43
5%/Insider Ownership (%)4.91
Float (%)95.09
Ownership Activity
Description# of HoldersShares
Total Positions 15535,100,452
New Positions200
Soldout Positions760
Net Position Change-72-1,715,163
Buyers734,263,489
Sellers145-5,978,652
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
HealthCor Management, L.P. 3,425,000 0 0.0 -6,028,000 9.7 3.2 09-30-09
BlackRock Institutional Trust Company, N.A. 2,489,234 97,763 4.1 -1,172,470 7.1 0.0 09-30-09
TimesSquare Capital Management, LLC 2,449,567 246,000 11.2 3,762,482 7.0 0.7 09-30-09
RS Investments 1,974,616 -105,952 -5.1 -6,952,669 5.6 0.8 09-30-09
Renaissance Technologies Corp. 1,867,799 -338,000 -15.3 -14,380,486 5.3 0.2 09-30-09
Shamrock Capital Advisors, Inc. 1,695,686 0 0.0 -2,984,408 4.8 13.1 09-30-09
Vanguard Group, Inc. 1,547,900 -140,526 -8.3 -7,336,367 4.4 0.0 09-30-09
Acadian Asset Management LLC 1,140,064 970,081 570.7 29,831,546 3.2 0.3 09-30-09
Frontier Capital Management Company, LLC 1,133,955 40,800 3.7 -656,705 3.2 0.6 09-30-09
BlackRock Financial Management, Inc. 969,347 -473,879 -32.8 -17,258,760 2.8 0.1 09-30-09
Columbia Management Advisors, LLC 913,043 -79,827 -8.0 -4,226,877 2.6 0.0 09-30-09
State Street Global Advisors (US) 859,916 175,855 25.7 4,258,109 2.4 0.0 09-30-09
PENN Capital Management, Inc. 813,133 -54,490 -6.3 -3,219,476 2.3 1.3 09-30-09
AQR Capital Management, LLC 793,598 123,940 18.5 2,670,978 2.3 0.3 09-30-09
Deerfield Management 640,000 170,000 36.2 4,453,000 1.8 2.6 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 2/9/2010 11:48 PM Eastern Time