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

• Baupost owns 7.69M shares worth $29.23M
• CARL C. ICAHN, INDIVIDUAL owns 5.90M shares worth $22.44M
• Icahn Capital owns 4.72M shares worth $51.49M
• Artisan Partners Holdings owns 2.35M shares worth $23.63M
• Vanguard owns 2.18M shares worth $8.27M
• Brenner West Capital Advisors owns 2.01M shares worth $13.98M
• Great-West Life Assurance Company owns 1.44M shares worth $5.44M
• Iridian Asset Management owns 1.41M shares worth $9.81M
• Artisan Partners Limited Partnership owns 1.37M shares worth $5.22M
• First Eagle Investment Management owns 1.12M shares worth $7.73M
• Renaissance Technologies owns 886184 shares worth $3.37M
• STATE STREET CORPORATION owns 782615 shares worth $2.97M
• Michael F. Price owns 748800 shares worth $2.85M
• UBS AG owns 705285 shares worth $2.68M
• North Run Capital owns 663500 shares worth $4.56M
• Inves owns 534778 shares worth $3.58M
• New Mountain Vantage Advisers owns 509000 shares worth $2.25M
• Gruss Asset Management owns 455180 shares worth $1.73M
• Corsair Capital Management owns 451377 shares worth $1.14M
• Norges Bank Investment Management owns 435234 shares worth $2.92M
• Missouri Valley Partners owns 390045 shares worth $2.67M
• First Pacific Advisors owns 379826 shares worth $1.44M
• Credit Suisse AG owns 373859 shares worth $2.50M
• Charles Schwab Investment Management owns 372500 shares worth $1.40M
• Jet Capital Investors owns 367105 shares worth $2.51M
• Brandes Investment Partners owns 360865 shares worth $1.37M

• Perry sold on June 30, 2011
• Harbert Management Corporation* sold on March 31, 2011
• TCW sold on Dec. 31, 2010
• CITADEL ADVISORS sold on Dec. 31, 2010
• Two Sigma Investments sold on Dec. 31, 2010
• Millennium Management sold on Dec. 31, 2010
• Paulson & Co sold on Dec. 31, 2003