Is TESS a good stock to own? Find out who bought TESSCO Technologies, who sold TESSCO Technologies (TESS) stock, and who holds a large position in TESSCO Technologies.

• Schroder Investment Management owns 255401 shares worth $5.53M
• Renaissance Technologies owns 250700 shares worth $5.43M
• ZPR Investment Management owns 167005 shares worth $4.25M
• Vanguard owns 162842 shares worth $3.51M
• Dreman Value Management owns 130704 shares worth $2.83M
• Technical Financial Services owns 106526 shares worth $2.35M
• Bridgeway Capital Management owns 94050 shares worth $2.08M
• DuPont Capital Management Corporation owns 83062 shares worth $1794
• ALGERT COLDIRON INVESTORS owns 72248 shares worth $1.60M
• STATE STREET CORPORATION owns 70664 shares worth $1.53M
• Brown Advisory Holdings Incorporated owns 66792 shares worth $913046
• Frank Russell Company owns 63770 shares worth $1.99M
• CITY NATIONAL BANK owns 63372 shares worth $1.37M
• GSA Capital Partners owns 62213 shares worth $1.35M
• CalPERS owns 53275 shares worth $1.15M
• FCA CORP /TX owns 52383 shares worth $1.33M
• Geode Capital Management owns 50239 shares worth $1.09M
• NUMERIC INVESTORS owns 49034 shares worth $1.04M
• Spark Investment Management owns 34100 shares worth $748836
• TIAA-CREF Investment Management owns 32974 shares worth $713557
• Navellier & Associates owns 27703 shares worth $598938
• PanAgora Asset Management owns 27608 shares worth $610965
• Hillsdale Investment Management owns 26523 shares worth $676071
• MARTINGALE ASSET MANAGEMENT owns 25315 shares worth $535918
• D. E. Shaw & Co owns 25281 shares worth $556940
• Deere & Company owns 24748 shares worth $523915
• JAMES INVESTMENT RESEARCH owns 23155 shares worth $501074
• Oxford Asset Management owns 20603 shares worth $455944
• UBS AG owns 19018 shares worth $484388
• QS Investors owns 19000 shares worth $483930
• AXA owns 18600 shares worth $403062
• Charles Schwab Investment Management owns 18525 shares worth $391062
• Parametric Portfolio Associates owns 17117 shares worth $370411
• GRT Capital Partners owns 16360 shares worth $225931
• Ativo Capital Management owns 15624 shares worth $331072
• Spark LP/DE owns 15264 shares worth $388010
• DekaBank Deutsche Girozentrale owns 15262 shares worth $322943
• UnionBanCal Corporation owns 14341 shares worth $315932
• American Century Companies owns 13089 shares worth $290052
• Analytic Investors owns 11896 shares worth $263020

• Royal Bank of Canada sold on Sept. 30, 2011
• MICHAEL R. MURPHY sold on Sept. 30, 2011
• Wells Fargo & Company sold on Sept. 30, 2011
• AQR Capital Management sold on June 30, 2011
• Johnson Investment Counsel sold on June 30, 2011
• Two Sigma Investments sold on June 30, 2011
• CNH Partners sold on June 30, 2011
• Barclays sold on June 30, 2011
• Magnetar Financial sold on June 30, 2011
• FRANKLIN STREET ADVISORS INC /NC sold on March 31, 2011
• Oberweis Asset Management sold on Dec. 31, 2010
• GOLDMAN SACHS sold on Dec. 31, 2010

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