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

• Osterweis Capital Management owns 3.03M shares worth $52.45M
• Artisan Partners Limited Partnership owns 2.80M shares worth $42.03M
• PRIMECAP Management Company owns 2.53M shares worth $37.91M
• Wellington Management Company owns 2.32M shares worth $34.77M
• Vanguard owns 2.21M shares worth $33.16M
• American Century Companies owns 2.12M shares worth $31.73M
• Artisan Partners Holdings owns 2.04M shares worth $52.87M
• Franklin Resources owns 1.61M shares worth $24.22M
• T. Rowe Price Associates owns 1.58M shares worth $23.77M
• Inves owns 1.36M shares worth $21.22M
• TAMRO Capital Partners owns 1.25M shares worth $19.59M
• Shannon River Fund Management owns 1.12M shares worth $16.74M
• Ameriprise Financial owns 1.10M shares worth $20.51M
• STATE STREET CORPORATION owns 816718 shares worth $12.25M
• Dreman Value Management owns 782286 shares worth $11.77M
• Brandywine Global Investment Management owns 713137 shares worth $10.70M
• Kestrel Investment Management Corporation owns 669950 shares worth $10.05M
• Scopia Management owns 660157 shares worth $10.33M
• STARBOARD VALUE owns 650000 shares worth $9.78M
• Schroder Investment Management owns 635300 shares worth $9.94M
• Kingdom Ridge Capital owns 603100 shares worth $9.05M
• Carlson Capital owns 588000 shares worth $8.82M
• First Trust Advisors owns 582558 shares worth $8.74M
• Parnassus Investments owns 540140 shares worth $11.39M
• CITADEL ADVISORS owns 507829 shares worth $9.51M
• Stadium Capital Management owns 494880 shares worth $9.27M
• Trigran Investments owns 484591 shares worth $7.29M
• OppenheimerFunds owns 453677 shares worth $6.82M

• Thomson Horstmann & Bryant, Inc." sold on Sept. 30, 2011
• Cortina Asset Management sold on Dec. 31, 2010
• FMR sold on Dec. 31, 2010
• Blue Harbour sold on Dec. 31, 2010
• FIL sold on Dec. 31, 2010
• Roxbury Capital Management sold on June 30, 2009

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