COOKE AND BIELER L.P.

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CONVEXITY CAPITAL TRADING LTD.

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CONVEXITY CAPITAL MASTER FUND L.P.

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COOK MAYER TAYLOR

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CONTRAVISORY RESEARCH AND MANAGEMENT

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CONTINENTAL EXCHANGE SOLUTIONS INC.

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CONV ARBITRAGE FUND (PALLADIN/QUEST)

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CONSTITUTION RESEARCH AND MANAGEMENT INC.

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CONSOLIDATED TRADING LLC

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CONESTOGA CAPITAL ADVISORS

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CONGRESS ASSET MANAGEMENT

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CONCORDE AM

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CONCORD ASSET MANAGEMENT

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CONIFER SECURITIES LLC.

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CONDOR CAPITAL MANAGEMENT

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CONSECO CAPITAL MANAGEMENT INC.

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COMPUTER SCIENCES CORPORATION

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CONNING AND CO.

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CONNING ASSET MANAGEMENT

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COMPASS GROUP LLC

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