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

• Vanguard owns 1.79M shares worth $106.29M
• T. Rowe Price Associates owns 1.42M shares worth $84.06M
• Daniel D. Thurber owns 1.10M shares worth $65.24M
• CITADEL ADVISORS owns 999304 shares worth $59.19M
• GRANAHAN INVESTMENT MANAGEMENT INC/MA owns 802600 shares worth $47.54M
• ClearBridge Advisors owns 720251 shares worth $42.66M
• Timpani Capital Management owns 701642 shares worth $701642
• Mason Street Advisors owns 666670 shares worth $21.59M
• Turner Investments owns 658760 shares worth $32.27M
• Next Century Growth Investors owns 645334 shares worth $31.64M
• Name Goodman & Company, Investment Counsel owns 593000 shares worth $34.96M
• STATE STREET CORPORATION owns 589549 shares worth $34.92M
• Thomson Horstmann & Bryant, Inc." owns 545061 shares worth $28.02M
• JPMORGAN CHASE & CO owns 537983 shares worth $27.66M
• Arbor Capital Management owns 519100 shares worth $25.45M
• Gilder, Gagnon, Howe & Co owns 464459 shares worth $27.51M
• Palisade Capital Management owns 448926 shares worth $26.59M
• Columbus Circle Investors owns 431117 shares worth $25.54M
• Conestoga Capital Advisors owns 415819 shares worth $24.63M
• Loomis, Sayles and owns 408597 shares worth $20.03M
• Ameriprise Financial owns 394459 shares worth $20.28M
• American Century Companies owns 386970 shares worth $18.97M
• William Blair $ Company owns 372131 shares worth $22.04M
• Ranger Investment Management owns 363813 shares worth $17.51M
• Wellington Management Company owns 361485 shares worth $21.41M
• Stephens Investment Management owns 354721 shares worth $21.01M
• OppenheimerFunds owns 352233 shares worth $16.63M
• ING Investment Management Co Address: 10 State House Square owns 346421 shares worth $19.71M

• Sandler Capital Management sold on Sept. 30, 2011
• FRIESS ASSOCIATES sold on Sept. 30, 2011
• Damian Sousa sold on June 30, 2011
• Contour Asset Management sold on June 30, 2011
• Giovine Capital sold on June 30, 2011
• Nuveen Asset Management sold on June 30, 2011
• Needham Investment Management sold on June 30, 2011
• Perimeter Capital Partners sold on June 30, 2011
• Polar Capital sold on June 30, 2011
• Frank Russell Company sold on June 30, 2011
• Cortina Asset Management sold on March 31, 2011
• Apex Capital sold on March 31, 2011
• FMR sold on Dec. 31, 2010
• CALAMOS ADVISORS sold on Dec. 31, 2010
• Jennifer Ranahan sold on Dec. 31, 2010

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