A. H. Belo Class A A.M. Castle ALTERRA CAP HLDGS AMERISAFE, Inc. AMYRIS APPLIED MICRO Actuate Corp. Advanced Energy Industries, Inc. Akorn, Inc. Allot Communication Ltd Alnylam Pharmaceuticals, Inc. Alphatec Holdings, Inc. Altra Holdings, Inc. Amedisys, Inc. American Capital Ltd AmerisourceBergen Corp. Amicus Therapeutics, Inc. Archer-Daniels-Midland Co. Aspen Technology, Inc. Asset Acceptance Capital Corp. Atmel Corp AtriCure, Inc. AudioCodes Ltd Axis Capital Holdings Ltd. BRE Properties, Inc. BTU International, Inc. Baker Hughes, Inc. Baltic Trading Becton, Dickinson & Co. Big 5 Sporting Goods Corp Bio-Rad Laboratories Inc. Cl A BioMed Realty Trust, Inc. Black Box Corp Blackbaud, Inc. Boston Beer Co. Cl A Bridgepoint Education CBL & Associates Properties, Inc. CF Industries Holdings CHARTER COMM-A CME Group, Inc. CODEXIS CSG Systems International Cal Dive International Capital Trust Inc. Cl A Cascade Microtech, Inc. Cerus Corp Charles River Laboratories International, Inc. Checkpoint Systems, Inc. Chemtura Chesapeake Lodging Trust Ciber, Inc. Cobalt International Energy Cognex Corp Commault Systems, Inc. Concurrent Computer Corp. Convergys Corp. Corinthian Colleges, Inc. Corvel Corp Cray, Inc. Credit Acceptance Corp DCT Industrial Trust DENNY'S CORP DUNKIN' BRANDS GRP DepoMed, Inc. DigitalGlobe, Inc. Douglas Emmett DuPont Fabros Technology Duff & Phelps Corp. Cl A Dynamic Materials Corp Dynamics Research Corp Dynex Capital, Inc. EOG Resources, Inc. EXCO Resources Emerson Electric Co. Entercom Communications Corp. Cl A Expeditors International Washi FURIEX PHARMA Federal Signal Corp. Felcor Lodging Trust, Inc. Fidelity Natl Information Services FirstEnergy Corp. Fiserv, Inc. Foster FreightCar America, Inc. Fresh Del Monte Produce G&K Services, Inc. GEVO Gartner Genco Shipping & Trading Ltd. Generac Holdings Genesee & Wyoming Inc. Cl A Genomic Health, Inc. Giant Interactive Group, Inc. Given Imaging Ltd Gladstone Commercial Corporation - REIT Glatfelter Government Properties Income Trust Great Lakes Dredge & Dock Corporation Guidance Software, Inc. HCA Holdings HCC Insurance Holdings, Inc. Hain Celestial Group, Inc. Headwaters, Inc. Healthcare Realty Trust, Inc. Henry Henry Schein, Inc. Hertz Global Holdings Higher One Holdings ICF International, Inc. IMPAX LABORATORIES, Inc. IPG Photonics Corporation Innospec, Inc. Insperity JDS Uniphase Corp John Bean Technologies KEY Tronic Corp Kilroy Realty Corp. Kimball International LeapFrog Enterprises Inc. Cl A Lexicon Pharmaceuticals, Inc. LookSmart, Ltd. Luminex Corp Macerich Co. Mantech International Corp Martha Stewart Living Omnimedia, Inc. Martin Marietta Materials, Inc. MaxLinear Mednax Metabolix, Inc. MetroPCS Communications Mindspeed Technologies, Inc. Monotype Imaging Holdings, Inc. Mueller Water Products Myriad Genetics, Inc. NN, Inc. NXP SEMICONDUCTORS National Interstate Corporation National Research Corp NewMarket Nova Measuring Instruments Ltd Novatel Wireless, Inc. ONEOK, Inc. OPENTABLE Omega Healthcare Investors Oshkosh Oxford Resource Partners LP PHH Corp. Papa John's International, Inc. Pericom Semiconductor Corp PetMed Express, Inc. Petsmart, Inc. Pfizer, Inc. Pinnacle West Capital Corp. Pioneer Natural Resources Co. Pioneer SouthWest Energy Partners L.P. Pitney Bowes, Inc. Plantronics, Inc. QuickLogic Corp REACHLOCAL REALPAGE RPX RTI International Metals, Inc. Radian Group, Inc. RenaissanceRe Holdings Ltd. Rex Energy Corporation Rigel Pharmaceuticals, Inc. Ritchie Bros. Auctioneers, Inc. SOLAR CAPITAL SOLAR SR CAP SOURCEFIRE, Inc. STEMCELLS Seaspan Silicon Motion Technology Corporation Sirius XM Radio, Inc. Solta Medical, Inc. Standard Motor Products, Inc. Steven Madden Ltd Stone Energy Corp. Synchronoss Technologies, Inc. THL CREDIT TNS, Inc. TRANSWITCH Targacept, Inc. Team Health Holdings Teco Energy, Inc. Thomson Reuters Thoratec Corp TransCanada Trimble Navigation Ltd Triumph Group, Inc. True Religion Apparel, Inc. US ECOLOGY Unum Group VERISK ANLYTCS-A Valero Energy Corp. Vanguard Health Systems Vical, Inc. Vishay Intertechnology, Inc. Vishay Precision Group Wabash National Corp. West Pharmaceutical Services, Inc. Western Gas Partners LP Westlake Chemical Corp. Westport Innovations, Inc. Weyco Group, Inc. Williams Cos. Williams Partners L.P. Units World Fuel Services Corp. Wright Medical Group, Inc. XL Group kforce, Inc.