Wall Street Associates Holdings in 1st Quarter: 13F Alert

The following is an analysis of Wall Street Associates as of March 31, according to a filing with the U.S. Securities and Exchange Commission on 05/13/2011.

Top Positions by Market Value 
Company Name                 Ticker      Market Value      Current     Change
                                            (USD $)       Position  In Position
Westport Innovations Inc     WPRT US       29,565,298    1,345,100      306,200
Questcor Pharmaceuticals     QCOR US       25,409,153    1,763,300       -5,100
Fortinet Inc                 FTNT US       24,710,755      559,700      -79,800
KIT Digital Inc              KITD US       23,610,440    1,961,000      116,700
RealPage Inc                 RP US         22,411,386      808,200      -53,000
Intralinks Holdings Inc      IL US         22,303,834      834,100     -333,200
Commvault Systems Inc        CVLT US       18,173,316      455,700      -34,900
American Medical Sys Hldgs   AMMD US       16,991,728      785,200     -100,200
Rentrak Corp                 RENT US       16,986,520      631,000       97,400
Hunt (JB) Transprt Svcs Inc  JBHT US       16,859,904      371,200      -45,200
 
 
Top New Buys by Market Value 
Company Name                 Ticker      Market Value      Current     Change
                                            (USD $)       Position  In Position
Velti Plc                    VELT US       11,114,452      882,800      882,800
Walter Energy Inc            WLT US         7,489,279       55,300       55,300
Robbins & Myers Inc          RBN US         7,457,095      162,146      162,146
Web.com Group Inc            WWWW US        7,170,900      492,000      492,000
On Assignment Inc            ASGN US        6,927,558      732,300      732,300
 
 
Top Sell Outs by Market Value 
Company Name                 Ticker         MV Change      Current     Change
                                            (USD $)       Position  In Position
Pharmasset Inc               VRUS US       -9,626,760            0     -221,000
Tiffany & Co                 TIF US        -9,079,589            0     -145,810
Beckman Coulter Inc          BEC US        -7,244,649            0      -96,300
Western Digital Corp         WDC US        -6,590,160            0     -194,400
Mercury Computer Systems Inc MRCY US       -6,552,470            0     -356,500
 
 
Top Position Increases by Market Value 
Company Name                 Ticker         MV Change      Current     Change
                                            (USD $)       Position  In Position
Westport Innovations Inc     WPRT US       10,324,870    1,345,100      306,200
OCZ Technology Group Inc     OCZ US         8,887,280    1,626,800      736,800
Callidus Software Inc        CALD US        8,778,940    1,323,000    1,261,600
Global Traffic Network Inc   GNET US        6,750,436    1,140,800      337,000
Procera Networks Inc         PKT US         6,307,652      630,800      616,500
 
 
Top Position Decreases By Market Value 
Company Name                 Ticker         MV Change      Current     Change
                                            (USD $)       Position  In Position
National Oilwell Varco Inc   NOV US       -12,824,030       11,000     -192,658
F5 Networks Inc              FFIV US       -7,674,603       25,300      -53,600
Chinacast Education Corp     CAST US       -6,510,001      409,400     -761,100
China Xiniya Fashio-Spon ADR XNY US        -4,624,240      272,600     -384,600
RealPage Inc                 RP US         -4,225,530      808,200      -53,000
 
 
SOURCE: SEC 13F-HR 
FILER: Wall Street Associates 
QUARTER ENDED: 03/31/2011 
SEC RECEIVED: 05/13/2011 

To contact the reporter on this story: Chris Cappucci in Princeton at ccappucci1@bloomberg.net.

To contact the editor responsible for this story: Rodney Yap at ryap@bloomberg.net.

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