Altima Partners

Amber Capital Investment Management

Aravis Capital Advisers

Atlantic Asset Management

Atlas Capital Management

Balance Asset Management

Banc of America Securities

Baupost Group

Berens Capital Management

BGI

Blue Ridge Capital

Boomerang Capital

Bridgewater Associates

Caxton Associates

Chicago Mercantile Exchange

Citadel Hill Advisors

Cornerstone Absolute Return Fund

CTPartners

Deccan Value Advisors

Edward W Kelley & Partners

F.L. Putnam

Fairfield Greenwich Group

Fidelity Prime Services

Gilder Gagnon Howe

Goldman, Sachs & Co.

Halcyon Asset Management

Hermitage Capital Management

Light Spring Capital

Loomis, Sayles & Co.

Loughlin Meghji + Company

Martec

Mezzacappa Management

Moore Capital Management LLC

Neuberger Berman

Ocean Tomo

Omega Advisors

Park Hill Capital

Piper Cove Asset Management

Porter Orlin

Quellos Capital Management

QVT Financial

REX Capital

Ridgefield Capital Asset Management

Robson Ventures

Seneca Capital

SG Partners

Skadden Arps

SkyBridge Capital

Southgate Holdings

Starke Investments

Steel Partners

TGM

TPG-Axon Capital Management

Vandelay Capital Management

Viking Global Investors

Westwood Partners