Is TSON a good stock to own? Find out who bought TranS1, who sold TranS1 (TSON) stock, and who holds a large position in TranS1.

• Timberline Asset Management owns 1.03M shares worth $2.31M
• Thomas Weisel Asset Management owns 1.03M shares worth $2.55M
• Wellington Management Company owns 866218 shares worth $1.94M
• Redmile owns 831963 shares worth $2.06M
• "Perkins Capital Management, Inc." owns 651154 shares worth $1.61M
• DAFNA Capital Management owns 496474 shares worth $1.23M
• Vanguard owns 347343 shares worth $774574
• Renaissance Technologies owns 340200 shares worth $762048
• RCM Capital Management owns 299703 shares worth $560444
• Visium Asset Management owns 206310 shares worth $462134
• Bridgeway Capital Management owns 169800 shares worth $421104
• NOTTINGHAM ADVISORS owns 155533 shares worth $346838
• Diamondback Capital Management owns 125000 shares worth $232500
• HighTower Advisors owns 100000 shares worth $4000
• Catapult Capital Management owns 100000 shares worth $186000
• Paradigm Capital Management owns 91630 shares worth $241903
• CalPERS owns 66000 shares worth $147840
• Gilder, Gagnon, Howe & Co owns 44269 shares worth $109787
• Macquarie owns 39700 shares worth $88928
• D. E. Shaw & Co owns 39395 shares worth $73668
• Geode Capital Management owns 38822 shares worth $86961
• T. Rowe Price Associates owns 24000 shares worth $54000
• Knight Capital owns 23178 shares worth $51918
• Barclays owns 21639 shares worth $40032
• LPL Financial owns 19161 shares worth $48094
• UBS AG owns 15280 shares worth $34227

• Manatuck Hill Partners sold on Sept. 30, 2011
• Eudaimonia Asset Management sold on Sept. 30, 2011
• Royal Bank of Canada sold on Sept. 30, 2011
• Hatteras Alternative Mutual Funds sold on Sept. 30, 2011
• Andreeff Equity Advisors sold on Sept. 30, 2011
• Verition Fund Management sold on Sept. 30, 2011
• Westfield Capital Management Company sold on Sept. 30, 2011
• Harvest Management sold on Sept. 30, 2011
• Maplelane Capital sold on Sept. 30, 2011
• Highland Capital Management sold on March 31, 2011
• Oxford Asset Management sold on March 31, 2011
• GOLDMAN SACHS sold on Dec. 31, 2010
• Williams, Jones & Associates sold on Dec. 31, 2010
• S.A.C. Capital Advisors sold on Sept. 30, 2010
• RHUMBLINE ADVISERS sold on March 31, 2010

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