DUSA Pharmaceuticals, Inc: Ownership

Ownership Information
Shares Outstanding 24.00 Mil
Institutional Ownership (%)51.59
Top 10 Institutions (%)48.10
Mutual Fund Ownership (%).11
5%/Insider Ownership (%)7.80
Float (%)92.20
Ownership Activity
Description# of HoldersShares
Total Positions 3412,382,752
New Positions90
Soldout Positions130
Net Position Change-1-2,420,977
Buyers171,487,206
Sellers18-3,908,183
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Deerfield Management 3,016,965 423,000 16.3 128,085 12.5 0.5 06-30-09
SRB Management, L.P. 2,127,389 362,425 20.5 -1,101,081 8.8 10.0 09-30-08
Morgens, Waterfall, Vintiadis & Co., Inc. 2,000,000 0 0.0 -20,000 8.3 2.5 09-30-09
Fidelity Management & Research 1,703,700 -30,100 -1.7 -258,504 7.1 0.0 06-30-09
Granahan Investment Management, Inc. 841,600 980 0.1 -7,338 3.5 0.0 09-30-09
Renaissance Technologies Corp. 499,000 5,800 1.2 -57,736 2.1 0.0 06-30-09
Dimensional Fund Advisors, LP 409,217 -2,052 -0.5 -6,349 1.7 0.0 09-30-09
GMT Capital Corp. 357,312 159,074 80.2 149,210 1.5 0.0 06-30-09
Vanguard Group, Inc. 308,787 18,824 6.5 -16,988 1.3 0.0 06-30-09
Barclays Global Investors, N.A. 269,752 12,043 4.7 -20,255 1.1 0.0 06-30-09
Oppenheimer Asset Management Inc. 209,000 209,000 100.0 229,900 0.9 0.0 06-30-09
D. E. Shaw & Co., L.P. 136,241 -800 -0.6 -18,695 0.6 0.0 06-30-09
Jefferies & Company, Inc. 130,031 130,031 100.0 143,034 0.5 0.0 06-30-09
California Public Employees' Retirement System 85,854 0 0.0 -11,161 0.4 0.0 06-30-09
Great Oaks Capital Management, LLC 58,653 58,653 100.0 63,932 0.2 0.0 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 11/25/2009 6:13 AM Eastern Time