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

• OppenheimerFunds owns 22.70M shares worth $249.70M
• HealthCor Management owns 10.81M shares worth $87.28M
• HealthCor Management owns 9.20M shares worth $66.88M
• PRIMECAP Management Company owns 7.05M shares worth $77.57M
• Vanguard owns 6.65M shares worth $73.16M
• Ulys owns 5.17M shares worth $28.93M
• GRANAHAN INVESTMENT MANAGEMENT INC/MA owns 2.84M shares worth $31.28M
• Artal Group S.A. owns 2.75M shares worth $30.25M
• Invus Public Equities Advisors owns 2.75M shares worth $19.99M
• BVF owns 2.73M shares worth $20.26M
• Barclays owns 2.71M shares worth $21.48M
• STATE STREET CORPORATION owns 2.67M shares worth $29.35M
• Deerfield Management Company owns 2.57M shares worth $28.23M
• NEA Management Company owns 1.83M shares worth $20.08M
• JPMORGAN CHASE & CO owns 1.79M shares worth $14.48M
• Millennium Management owns 1.73M shares worth $18.99M
• T. Rowe Price Associates owns 1.52M shares worth $16.72M
• First Trust Advisors owns 1.47M shares worth $16.15M
• ING Investment Management Co Address: 10 State House Square owns 1.40M shares worth $11.06M
• CITADEL ADVISORS owns 1.39M shares worth $10.30M
• CR Intrinsic Investors owns 1.32M shares worth $7.38M
• Legg Mason Capital Management owns 1.29M shares worth $10.37M
• Redmile owns 1.20M shares worth $9.65M
• Loomis, Sayles and owns 1.16M shares worth $12.41M
• Driehaus Capital Management owns 1.10M shares worth $11.70M
• Tang Capital Management owns 1.04M shares worth $11.49M
• Franklin Resources owns 1.03M shares worth $11.35M
• Perimeter Capital Partners owns 1.03M shares worth $5.74M
• Jefferies owns 1.01M shares worth $7.96M
• Hambrecht & Quist Capital Management owns 868474 shares worth $7.01M
• IronBridge Capital owns 853565 shares worth $9.39M

• Apex Capital sold on June 30, 2011
• ALLIANCEBERNSTEIN sold on March 31, 2011
• Columbia Wanger Asset Management sold on March 31, 2011
• Schroder Investment Management sold on March 31, 2011
• Name Passport Capital sold on March 31, 2011
• Renaissance Technologies sold on March 31, 2011
• CALAMOS ADVISORS sold on Dec. 31, 2010
• Wells Fargo & Company sold on Dec. 31, 2010
• Tudor Investment Corporation sold on Dec. 31, 2005
• Maverick Capital sold on Dec. 31, 2004

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• Nektar Therapeutics (NKTR)
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