DATATRAK International Inc: Ownership

Ownership Information
Shares Outstanding 14.00 Mil
Institutional Ownership (%)8.34
Top 10 Institutions (%)8.30
Mutual Fund Ownership (%).00
5%/Insider Ownership (%)10.33
Float (%)89.67
Ownership Activity
Description# of HoldersShares
Total Positions 31,166,969
New Positions10
Soldout Positions240
Net Position Change-22-2,522,693
Buyers2315,073
Sellers24-2,837,766
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Potomac Capital Management, L.L.C. 1,145,569 303,673 36.1 85,028 8.4 0.5 09-30-09
Pekin Singer Strauss Asset Management Inc. 11,400 11,400 100.0 3,192 0.1 0.0 09-30-09
Winslow Asset Management, Inc. 10,000 0 0.0 700 0.1 0.0 12-31-09
Diker Management, LLC 0 -985,474 -100.0 -206,950 0.0 0.0 06-30-09
Lucrum Capital, L.L.C. 0 -600,000 -100.0 -126,000 0.0 0.0 06-30-09
Timber Hill LLC 0 -20,661 -100.0 -4,339 0.0 0.0 03-31-09
Knight Capital Group, Inc. 0 -32,928 -100.0 -6,915 0.0 0.0 06-30-09
Victory Capital Management Inc. 0 -12,700 -100.0 -2,667 0.0 0.0 06-30-09
Stark Investments 0 -261,322 -100.0 -73,170 0.0 0.0 12-31-08
State Street Global Advisors (US) 0 -15,197 -100.0 -3,191 0.0 0.0 06-30-09
Wells Fargo Securities, LLC 0 -1,437 -100.0 -302 0.0 0.0 06-30-09
BlackRock Institutional Trust Company, N.A. 0 -224,102 -100.0 -47,061 0.0 0.0 06-30-09
Vanguard Group, Inc. 0 -85,096 -100.0 -17,870 0.0 0.0 06-30-09
Renaissance Technologies Corp. 0 -15,300 -100.0 -3,213 0.0 0.0 06-30-09
UBS Securities LLC 0 -1,434 -100.0 -301 0.0 0.0 03-31-09
*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 5:33 AM Eastern Time