Atlas Air Worldwide Holdings Inc: Ownership

Ownership Information
Shares Outstanding 25.00 Mil
Institutional Ownership (%)70.54
Top 10 Institutions (%)32.30
Mutual Fund Ownership (%).59
5%/Insider Ownership (%)1.74
Float (%)98.26
Ownership Activity
Description# of HoldersShares
Total Positions 13417,634,016
New Positions310
Soldout Positions690
Net Position Change-21681,882
Buyers856,279,363
Sellers106-5,597,481
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Lord, Abbett & Co. LLC 1,478,319 1,476,062 65,399.3 34,239,560 5.9 0.1 06-30-09
OppenheimerFunds, Inc. 1,256,943 -563,084 -30.9 -2,428,960 5.0 0.1 06-30-09
Dimensional Fund Advisors, LP 930,380 260,879 39.0 14,218,521 3.7 0.0 09-30-09
Chartwell Investment Partners L.P. 768,789 5,008 0.7 6,866,103 3.1 0.8 09-30-09
Barclays Global Investors, N.A. 732,133 113,192 18.3 6,239,538 2.9 0.0 06-30-09
Thompson, Siegel & Walmsley LLC 707,043 -126,449 -15.2 1,935,241 2.8 0.4 06-30-09
Vanguard Group, Inc. 631,462 130,259 26.0 5,947,732 2.5 0.0 06-30-09
Friess Associates LLC 608,474 608,474 100.0 14,110,512 2.4 0.2 06-30-09
Peregrine Capital Management, Inc. 482,790 30,950 6.9 3,356,476 1.9 0.3 06-30-09
NorthPointe Capital, LLC 478,728 -108,207 -18.4 1,693,911 1.9 1.3 09-30-09
Renaissance Technologies Corp. 459,500 -66,000 -12.6 1,538,380 1.8 0.0 06-30-09
Loomis, Sayles & Company, L.P. 454,754 619 0.1 2,666,503 1.8 0.1 06-30-09
BlackRock Financial Management, Inc. 437,600 214,358 96.0 8,813,090 1.7 0.0 09-30-09
Pyramis Global Advisors, LLC 417,620 38,140 10.1 3,100,630 1.7 0.0 06-30-09
Diamondback Capital Management, L.L.C. 385,946 385,946 100.0 8,950,088 1.5 0.3 06-30-09
*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 11/25/2009 1:31 AM Eastern Time