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

• Bank of America Corporation owns 3.16M shares worth $16.59M
• STATE STREET CORPORATION owns 2.96M shares worth $18.48M
• Vanguard owns 2.81M shares worth $17.58M
• Visium Asset Management owns 2.00M shares worth $12.52M
• QVT Financial owns 1.99M shares worth $7.35M
• S.A.C. Capital Advisors owns 1.89M shares worth $9.95M
• Diamondback Capital Management owns 1.38M shares worth $7.63M
• Redmile owns 1.35M shares worth $8.42M
• FRED ALGER MANAGEMENT owns 1.29M shares worth $8.05M
• Franklin Resources owns 1.27M shares worth $7.96M
• Jennison Associates owns 1.23M shares worth $7.66M
• Adage Capital Partners GP owns 1.20M shares worth $7.51M
• Columbus Circle Investors owns 1.17M shares worth $7.32M
• Charles Schwab Investment Management owns 954600 shares worth $5.08M
• Farallon Capital Management owns 950000 shares worth $5.94M
• Millennium Management owns 836164 shares worth $3.43M
• Timberline Asset Management owns 817265 shares worth $5.12M
• T. Rowe Price Associates owns 802500 shares worth $5.02M
• Name Passport Capital owns 750000 shares worth $3.94M
• Teachers Advisors owns 731660 shares worth $4.57M
• D. E. Shaw & Co owns 703919 shares worth $4.40M
• JPMORGAN CHASE & CO owns 672839 shares worth $3.73M
• JHL Capital owns 650000 shares worth $4.06M
• Perceptive Advisors owns 635600 shares worth $3.63M
• Dr. Jeffrey R. Jay, M.D owns 630301 shares worth $1.01M
• ESSEX INVESTMENT MANAGEMENT owns 625470 shares worth $3.92M
• Deerfield Management Company owns 606250 shares worth $2.49M
• Perella Weinberg Partners Capital Management owns 528677 shares worth $2.79M
• Oxford Asset Management owns 508166 shares worth $2.82M
• SuttonBrook Capital Management owns 500000 shares worth $750000
• Soros Fund Management owns 500000 shares worth $2.05M
• CR Intrinsic Investors owns 498406 shares worth $3.12M
• Catapult Capital Management owns 485000 shares worth $1.99M
• Principal Financial owns 480000 shares worth $3.00M
• OrbiMed Advisors owns 475000 shares worth $2.63M
• Pier Capital owns 472549 shares worth $2.48M
• Highline Capital Management owns 470000 shares worth $1.93M
• Barclays owns 469200 shares worth $2.68M
• AQR Capital Management owns 461467 shares worth $2.88M
• Apex Capital owns 450800 shares worth $2.82M
• Bailard owns 428000 shares worth $2.44M
• TIAA-CREF Investment Management owns 398255 shares worth $2.49M
• Jacobs Levy Equity Management owns 388253 shares worth $625087
• Renaissance Technologies owns 355580 shares worth $1.97M
• CalPERS owns 342565 shares worth $2.14M
• Driehaus Capital Management owns 332511 shares worth $1.90M
• Geode Capital Management owns 325277 shares worth $2.03M
• Scoggin owns 318000 shares worth $1.67M
• NUMERIC INVESTORS owns 306000 shares worth $1.75M
• Spark LP/DE owns 294500 shares worth $1.20M
• Frank Russell Company owns 291459 shares worth $1.67M
• Allianz Asset Management AG owns 267800 shares worth $1.68M
• UBS AG owns 267400 shares worth $1.53M

• BAM Capital sold on June 30, 2011
• Credit Suisse AG sold on March 31, 2011
• Jefferies sold on March 31, 2011
• NEA Management Company sold on Dec. 31, 2010
• Daniel D. Thurber sold on Dec. 31, 2010
• FMR sold on Dec. 31, 2010
• Bridger Management sold on Dec. 31, 2010
• Palo Alto Investors sold on Dec. 31, 2010
• CHARTER OAK PARTNERS MANAGEMENT sold on Dec. 31, 2010

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