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

• Davidson Kempner Capital Management owns 3.07M shares worth $167.34M
• Pentwater Capital Management owns 2.02M shares worth $110.31M
• GOLDMAN SACHS owns 1.45M shares worth $79.15M
• Carlson Capital owns 1.43M shares worth $77.72M
• STATE STREET CORPORATION owns 1.39M shares worth $76.02M
• AQR Capital Management owns 1.31M shares worth $71.24M
• GAMCO Asset Management owns 1.28M shares worth $69.72M
• ALLIANCEBERNSTEIN owns 1.23M shares worth $67.30M
• Gabelli Funds owns 851816 shares worth $46.46M
• Dreman Value Management owns 606823 shares worth $33.10M
• P. SCHOENFELD ASSET MANAGEMENT owns 517529 shares worth $28.23M
• EAC Management owns 515169 shares worth $28.10M
• Norges Bank Investment Management owns 506335 shares worth $27.62M
• Century Capital Management owns 504599 shares worth $27.52M
• Diamondback Capital Management owns 502178 shares worth $27.39M
• TIG Advisors owns 495503 shares worth $27.02M
• Wellington Management Company owns 494842 shares worth $26.99M
• MOORE CAPITAL MANAGEMENT owns 450394 shares worth $24.56M
• Columbus Circle Investors owns 435824 shares worth $23.77M
• Barclays owns 421856 shares worth $23.01M
• Millennium Management owns 420000 shares worth $22.91M
• TIAA-CREF Investment Management owns 391964 shares worth $21.38M
• Hays Advisory owns 361161 shares worth $13.17M
• Andromeda Capital owns 357200 shares worth $19.48M
• Origin Asset Management owns 354334 shares worth $19.33M
• Public Sector Pension Investment Board owns 346841 shares worth $18.92M
• Principal Financial owns 322087 shares worth $17.57M
• Gabelli Securities owns 280615 shares worth $15.30M
• Citi owns 262244 shares worth $14.32M

• Vanguard sold on Sept. 30, 2011
• Wells Fargo & Company sold on Sept. 30, 2011
• Rainier Investment Management sold on Sept. 30, 2011
• FRED ALGER MANAGEMENT sold on Sept. 30, 2011
• Inves sold on Sept. 30, 2011
• Leuthold Weeden Capital Management sold on Sept. 30, 2011
• SCOUT INVESTMENTS sold on Sept. 30, 2011
• Visium Asset Management sold on Sept. 30, 2011
• Brigade Capital Management sold on Sept. 30, 2011
• New Amsterdam Partners sold on Sept. 30, 2011
• CITADEL ADVISORS sold on Sept. 30, 2011
• Roxbury Capital Management sold on Sept. 30, 2011
• Samlyn Capital sold on Sept. 30, 2011
• Chartwell Investment Partners sold on Sept. 30, 2011
• Alyeska Investment sold on Sept. 30, 2011
• Perella Weinberg Partners Capital Management sold on Sept. 30, 2011
• Batterymarch Financial Management sold on Sept. 30, 2011
• Perimeter Capital Partners sold on Sept. 30, 2011
• S.A.C. Capital Advisors sold on Sept. 30, 2011
• CR Intrinsic Investors sold on Sept. 30, 2011
• Jennison Associates sold on Sept. 30, 2011
• OppenheimerFunds sold on June 30, 2011
• Ameriprise Financial sold on June 30, 2011
• BAILLIE GIFFORD & CO sold on June 30, 2011
• D. E. Shaw & Co sold on June 30, 2011
• Ionic Capital Management sold on June 30, 2011
• New York State Common Retirement Fund sold on June 30, 2011
• American Century Companies sold on June 30, 2011
• Thompson, Siegel, & Walmsley sold on March 31, 2011
• Schroder Investment Management sold on March 31, 2011
• Frank Russell Company sold on March 31, 2011
• Plural Investments sold on March 31, 2011
• Renaissance Technologies sold on March 31, 2011
• FMR sold on Dec. 31, 2010
• J P MORGAN CHASE & CO sold on Dec. 31, 2010
• Perry sold on Dec. 31, 2010
• Pier Capital sold on Dec. 31, 2010
• Credit Suisse AG sold on Dec. 31, 2010
• NUMERIC INVESTORS sold on Dec. 31, 2010

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• HealthSpring (HS)