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

• Columbia Wanger Asset Management owns 6.35M shares worth $93.65M
• Waddell & Reed Financial owns 5.68M shares worth $83.77M
• William Blair $ Company owns 4.27M shares worth $62.98M
• TimesSquare Capital Management owns 3.90M shares worth $57.54M
• Wellington Management Company owns 3.23M shares worth $47.60M
• Westfield Capital Management Company owns 1.92M shares worth $28.33M
• Chartwell Investment Partners owns 1.92M shares worth $28.33M
• Cramer Rosenthal McGlynn owns 1.01M shares worth $14.96M
• GRANAHAN INVESTMENT MANAGEMENT INC/MA owns 896752 shares worth $13.22M
• Ameriprise Financial owns 872900 shares worth $8.49M
• SRS Investment Management owns 790626 shares worth $7.10M
• KALMAR INVESTMENTS INC /DE/ owns 765058 shares worth $11.28M
• Polar Securities owns 692513 shares worth $7.22M
• Caisse de depot et placement du Quebec owns 570000 shares worth $8.40M
• Columbus Circle Investors owns 344110 shares worth $5.07M
• Macquarie owns 341433 shares worth $5.03M
• ----------------------------------------------------------------------------- owns 306300 shares worth $4.51M
• Pembroke Management owns 284600 shares worth $4.20M
• J. Goldman & Co owns 212300 shares worth $3.13M
• WALL STREET ASSOCIATES owns 192600 shares worth $2.84M
• CITADEL ADVISORS owns 178561 shares worth $2.15M
• Credit Suisse AG owns 160229 shares worth $2.36M
• CI Investments owns 158800 shares worth $2.34M
• Acadian Asset Management owns 157650 shares worth $1.64M
• Rice Hall James & Associates owns 150045 shares worth $1.56M
• Two Sigma Investments owns 136970 shares worth $2.02M
• Alyeska Investment owns 121077 shares worth $1.78M
• Renaissance Technologies owns 118800 shares worth $1.75M
• Coe Capital Management owns 116766 shares worth $1.20M
• MCKINLEY CAPITAL MANAGEMENT owns 106764 shares worth $1.57M
• Frank Russell Company owns 85240 shares worth $1.26M
• CAMBRIDGE TRUST COMPANY owns 84461 shares worth $1.24M
• Lee Munder Capital owns 70320 shares worth $1.04M
• Two Sigma Advisers owns 51263 shares worth $753053
• First Trust Advisors owns 42692 shares worth $628853
• Guggenheim Capital, LLC Managers owns 39488 shares worth $475830
• GOLDMAN SACHS owns 34604 shares worth $416978
• Wells Fargo & Company owns 21278 shares worth $212354
• UnionBanCal Corporation owns 21200 shares worth $206064
• Millennium Management owns 19741 shares worth $290982
• S.A.C. Capital Advisors owns 13448 shares worth $137976
• Yorktown Management & Research Company owns 13000 shares worth $192010
• CalPERS owns 12500 shares worth $184000
• Silvercrest Asset Management owns 12380 shares worth $149055
• Credit Agricole S.A. owns 12000 shares worth $176880
• Oxford Asset Management owns 11188 shares worth $117026
• First Mercantile Trust Company owns 10443 shares worth $153929
• UBS AG owns 5895 shares worth $86892

• FMR sold on Dec. 31, 2010
• Tiger Global Management sold on Sept. 30, 2008
• Lone Pine Capital sold on Sept. 30, 2007
• Roxbury Capital Management sold on June 30, 2007

• ANSYS (ANSS)
• Cabot Oil & Gas Corporation (COG)
• Expeditors International of Washington (EXPD)
• FMC Technologies (FTI)
• LKQ Corporation (LKQX)
• MICROS Systems (MCRS)
• Solera Holdings (SLH)
• Trimble Navigation (TRMB)
• Pall Corporation (PLL)
• Mettler-Toledo International (MTD)
• Life Time Fitness (LTM)
• Henry Schein (HSIC)
• Pool Corporation (POOL)
• Pinnacle Entertainment (PNK)
• Alliance Data Systems Corporation (ADS)
• SBA Communications Corporation (SBAC)
• WNS (WNS)
• ESCO Technologies (ESE)
• Cepheid (CPHD)
• Jack Henry & Associates (JKHY)
• NetSuite (N)