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

• Lime Rock Management owns 6.88M shares worth $73.45M
• Royce & Associates owns 3.38M shares worth $45.22M
• NEW SOUTH CAPITAL MANAGEMENT owns 1.67M shares worth $22.36M
• Vanguard owns 1.65M shares worth $22.14M
• Balyasny Asset Management owns 1.43M shares worth $16.29M
• Allianz Global Investors of America owns 1.43M shares worth $20.22M
• GRANAHAN INVESTMENT MANAGEMENT INC/MA owns 1.19M shares worth $14.27M
• Allianz Asset Management AG owns 995105 shares worth $10.63M
• MICHAEL R. MURPHY owns 894286 shares worth $10.19M
• Perkins Investment Management owns 712918 shares worth $9.55M
• BOSTON TRUST & INVESTMENT MANAGEMENT owns 712350 shares worth $9.00M
• AQR Capital Management owns 642600 shares worth $8.60M
• Wells Fargo & Company owns 627323 shares worth $6.27M
• Moody Aldrich Partners owns 566444 shares worth $6.05M
• STATE STREET CORPORATION owns 548554 shares worth $7.35M
• BTIM owns 513233 shares worth $7.28M
• Millennium Management owns 462063 shares worth $6.19M
• Franklin Resources owns 401415 shares worth $5.70M
• Jennifer Ranahan owns 390882 shares worth $5.23M
• Canada Pension Plan Investment Board owns 370482 shares worth $4.68M
• Opus Capital owns 350608 shares worth $4.21M
• Kimelman & Baird owns 332750 shares worth $4.46M
• Tygh Capital Management owns 324518 shares worth $4.10M
• Emerald Advisers owns 316628 shares worth $4.00M
• Richard E. Dirickson, Jr. owns 300490 shares worth $3.80M
• Richard E. Dirickson, Jr. owns 300490 shares worth $3.49M
• Stephens Investment Management owns 296274 shares worth $3.16M
• ESSEX INVESTMENT MANAGEMENT owns 290754 shares worth $3.68M
• Technical Financial Services owns 287973 shares worth $3.28M
• OHIO PERS owns 284462 shares worth $4.04M
• Schroder Investment Management owns 266095 shares worth $3.56M
• CalPERS owns 263700 shares worth $3.53M

• Daniel D. Thurber sold on Sept. 30, 2011
• Rainier Investment Management sold on June 30, 2011
• Cramer Rosenthal McGlynn sold on June 30, 2011
• Inves sold on June 30, 2011
• Driehaus Capital Management sold on June 30, 2011
• Columbia Wanger Asset Management sold on March 31, 2011
• Guggenheim Capital, LLC Managers sold on March 31, 2011
• Conestoga Capital Advisors sold on March 31, 2011
• IronBridge Capital sold on Dec. 31, 2010

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