Orbital Sciences Corp: Ownership

Ownership Information
Shares Outstanding 57.00 Mil
Institutional Ownership (%)81.64
Top 10 Institutions (%)39.80
Mutual Fund Ownership (%)1.78
5%/Insider Ownership (%)1.07
Float (%)98.93
Ownership Activity
Description# of HoldersShares
Total Positions 15846,536,624
New Positions210
Soldout Positions880
Net Position Change-53-5,534,260
Buyers868,361,439
Sellers139-13,895,699
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
TimesSquare Capital Management, LLC 4,601,300 313,700 7.3 3,838,569 8.1 0.7 09-30-09
BlackRock Institutional Trust Company, N.A. 4,044,933 33,260 0.8 -304,432 7.1 0.0 09-30-09
Fisher Investments 2,603,090 58,820 2.3 1,635,431 4.6 0.1 12-31-09
Vanguard Group, Inc. 2,458,166 -8,215 -0.3 -616,255 4.3 0.0 09-30-09
Standard Life Investments Ltd. 2,330,725 323,527 16.1 4,441,759 4.1 0.4 09-30-09
ClearBridge Advisors 1,466,202 -213,344 -12.7 -3,529,669 2.6 0.0 09-30-09
Security Global Investors, LLC 1,392,313 1,204,585 641.7 17,995,092 2.5 0.7 09-30-09
Thompson, Siegel & Walmsley LLC 1,322,578 184,758 16.2 2,538,264 2.3 0.4 09-30-09
State Street Global Advisors (US) 1,277,402 260,171 25.6 3,691,314 2.2 0.0 09-30-09
BlackRock Financial Management, Inc. 1,209,957 -37,151 -3.0 -805,572 2.1 0.0 09-30-09
Alydar Partners, L.L.C. 1,168,853 -1,847,627 -61.3 -28,262,272 2.1 1.0 09-30-09
Investment Counselors of Maryland, LLC 1,063,300 840,200 376.6 12,886,151 1.9 0.8 12-31-09
Fidelity Management & Research 1,021,142 -609,698 -37.4 -9,453,347 1.8 0.0 09-30-09
Oak Ridge Investments, LLC 918,264 122,152 15.3 1,669,393 1.6 0.6 09-30-09
Kestrel Investment Management Corp. 897,200 185,300 26.0 2,631,561 1.6 2.3 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 9:32 AM Eastern Time