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

• William Blair $ Company owns 5.11M shares worth $14.40M
• Royce & Associates owns 4.11M shares worth $11.59M
• Ariel Investments owns 3.35M shares worth $9.45M
• Fine Capital Partners owns 3.11M shares worth $8.44M
• Leucadia National Corporation owns 3.01M shares worth $8.50M
• Mendon Capital Advisors owns 2.82M shares worth $7.94M
• Vanguard owns 2.72M shares worth $7.67M
• Fort Hoosac Management owns 2.54M shares worth $7.18M
• Arbiter Partners, QP owns 2.27M shares worth $6.41M
• Glacier Peak Capital owns 2.10M shares worth $5.92M
• Summit Capital Management owns 2.09M shares worth $5.56M
• Wellington Management Company owns 1.84M shares worth $4.78M
• Arbiter Partners owns 1.64M shares worth $4.42M
• Eagle Boston Investment Management owns 1.51M shares worth $4.26B
• Damian Sousa owns 1.51M shares worth $3.91M
• Central Square Management owns 1.45M shares worth $3.92M
• Cowen owns 1.43M shares worth $3.50M
• STATE STREET CORPORATION owns 1.39M shares worth $3.92M
• Boston Provident owns 1.14M shares worth $2.80M
• JPMORGAN CHASE & CO owns 1.06M shares worth $2.82M
• Robeco Investment Management owns 984947 shares worth $2.78M
• Point Lobos Capital owns 983542 shares worth $2.62M
• Thomson Horstmann & Bryant, Inc." owns 730868 shares worth $1.97M
• Sandler O'Neill Asset Management owns 700000 shares worth $1.97M
• Adirondack Research & Management owns 627160 shares worth $1.77M
• JBF Capital owns 610466 shares worth $1.72M
• TIAA-CREF Investment Management owns 544637 shares worth $1.48M
• Adirondack Research & Management owns 529874 shares worth $1.30M
• Hennessy Advisors owns 500000 shares worth $1.41M
• RBF CAPITAL owns 456200 shares worth $1.23M

• KBW sold on Sept. 30, 2011
• AQR Capital Management sold on June 30, 2011
• Sterling Capital Management sold on June 30, 2011
• Nomura Holdings sold on June 30, 2011
• Gardner Lewis Asset Management sold on June 30, 2011

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