Overview page

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3M Company ( Instance )

ABBOTT LABORATORIES ( Instance )

ACE Limited ( Instance )

ACTIVISION BLIZZARD, INC. ( Instance )

AES CORP ( Instance )

AETNA INC ( Instance )

AIR PRODUCTS AND CHEMICALS, INC. ( Instance )

AK Steel Holding Corporation ( Instance )

ALCOA INC ( Instance )

ALLEGHENY ENERGY, INC ( Instance )

ALLEGHENY TECHNOLOGIES INCORPORATED ( Instance )

ALLERGAN INC ( Instance )

ALLSTATE CORP ( Instance )

ALTERA CORP ( Instance )

ALTRIA GROUP, INC. ( Instance )

AMAZON COM INC ( Instance )

AMEDISYS INC ( Instance )

AMEREN CORP ( Instance )

AMERICAN EXPRESS CO ( Instance )

AMERICAN TOWER CORP /MA/ ( Instance )

AMERIPRISE FINANCIAL INC ( Instance )

AMERISOURCEBERGEN CORP ( Instance )

AMETEK, Inc. ( Instance )

AMGEN INC ( Instance )

AMPHENOL CORP ( Instance )

ANADARKO PETROLEUM CORP ( Instance )

AON CORP ( Instance )

APPLE INC ( Instance )

ART TECHNOLOGY GROUP INC ( Instance )

AT&T INC. ( Instance )

AUTODESK INC ( Instance )

AVON PRODUCTS INC ( Instance )

Aflac Incorporated ( Instance )

Alcon ( Instance )

Alpha Natural Resources, Inc. ( Instance )

American Electric Power Company, Inc. ( Instance )

Analog Devices, Inc. ( Instance )

Annaly Capital Management, Inc. ( Instance )

Apache Corporation ( Instance )

Applied Materials, Inc. ( Instance )

Arch Coal, Inc. ( Instance )

Assurant, Inc. ( Instance )

Avalonbay Communities, Inc. ( Instance )

BAKER HUGHES INCORPORATED ( Instance )

BANK OF AMERICA CORP /DE/ ( Instance )

BARD C R INC /NJ/ ( Instance )

BB&T Corporation ( Instance )

BECTON, DICKINSON AND COMPANY ( Instance )

BJ SERVICES CO ( Instance )

BMC SOFTWARE INC ( Instance )

BOEING CO ( Instance )

BORGWARNER INC. ( Instance )

BOSTON PROPERTIES INC ( Instance )

BOSTON PROPERTIES LTD PARTNERSHIP ( Instance )

BRISTOL MYERS SQUIBB CO ( Instance )

BUCYRUS INTERNATIONAL INC ( Instance )

BURLINGTON NORTHERN SANTA FE CORP ( Instance )

Bank of New York Mellon CORP ( Instance )

Baxter International Inc. ( Instance )

Berkshire Hathaway Inc. ( Instance )

Biogen Idec Inc. ( Instance )

BlackRock Inc. ( Instance )

Boston Scientific Corporation ( Instance )

Bowne & Co., Inc. ( Instance )

Broadcom Corporation ( Instance )

Bunge Limited ( Instance )

C H ROBINSON WORLDWIDE INC ( Instance )

CA, Inc. ( Instance )

CABOT OIL & GAS CORPORATION ( Instance )

CAPITAL ONE FINANCIAL CORP ( Instance )

CBS CORP ( Instance )

CELANESE CORPORATION ( Instance )

CELGENE CORPORATION ( Instance )

CF Industires Holdings, Inc. ( Instance )

CF Industries Holdings, Inc. ( Instance )

CHESAPEAKE ENERGY CORP ( Instance )

CIGNA Corporation ( Instance )

CIMAREX ENERGY Co ( Instance )

CITRIX SYSTEMS INC ( Instance )

CLIFFS NATURAL RESOURCES INC. ( Instance )

CNX Gas Corp ( Instance )

COCA COLA ENTERPRISES INC ( Instance )

COGNIZANT TECHNOLOGY SOLUTIONS CORP ( Instance )

COMCAST CORP ( Instance )

CONSOL ENERGY INC ( Instance )

CONSOLIDATED EDISON INC ( Instance )

CONSTELLATION ENERGY GROUP INC ( Instance )

CRAWFORD & CO ( Instance )

CSX CORPORATION ( Instance )

CUMMINS INC. ( Instance )

CVS CAREMARK CORP ( Instance )

Cablevision Systems Corporation ( Instance )

Cablevision Systems Corporation ( Instance )

Cameron International Corporation ( Instance )

Canadian National Railway Company ( Instance )

Caterpillar Inc. ( Instance )

CenterPoint Energy, Inc. ( Instance )

Chevron Corporation ( Instance )

Citigroup Inc. ( Instance )

Colgate ( Instance )

Computer Sciences Corporation ( Instance )

ConocoPhillips ( Instance )

Cooper Industries, Ltd. ( Instance )

Corning Incorporated ( Instance )

Covance Inc. ( Instance )

Covidien plc ( Instance )

Crown Castle International Corp. ( Instance )

DANAHER CORP /DE/ ( Instance )

DAVITA INC ( Instance )

DENBURY RESOURCES INC. ( Instance )

DENTSPLY International Inc. ( Instance )

DIAMOND OFFSHORE DRILLING, INC ( Instance )

DISCOVERY COMMUNICATIONS, INC. ( Instance )

DISH Network Corporation ( Instance )

DOMINION RESOURCES INC /VA/ ( Instance )

DTE Energy Company ( Instance )

Deere & Co ( Instance )

Devon Energy Corporation ( Instance )

Directv Holdings LLC ( Instance )

Dover Corporation ( Instance )

Duke Energy CORP ( Instance )

E. I. du Pont de Nemours and Company ( Instance )

EATON CORPORATION ( Instance )

EBAY INC ( Instance )

ECOLAB INC. ( Instance )

EDGAR ONLINE INC ( Instance )

EDISON INTERNATIONAL ( Instance )

EDISON MISSION ENERGY ( Instance )

EL PASO CORPORATION ( Instance )

ELECTRONIC ARTS INC. ( Instance )

EMC CORP ( Instance )

EME HOMER CITY GENERATION LP ( Instance )

EMERSON ELECTRIC CO. ( Instance )

ENERGEN CORP ( Instance )

ENSCO International Incorporated ( Instance )

EOG Resources, Inc. ( Instance )

EQT Corp ( Instance )

EQUITY RESIDENTIAL ( Instance )

ERP OPERATING LTD PARTNERSHIP ( Instance )

EXELON CORP ( Instance )

EXPEDITORS INTERNATIONAL OF WASHINGTON INC ( Instance )

EXXON MOBIL CORP ( Instance )

Eastman Chemical Company ( Instance )

Eli Lilly and Company ( Instance )

Enterprise Products Partners L.P. ( Instance )

Express Scripts, Inc. ( Instance )

Express Scripts, Inc. ( Instance )

FASTENAL CO ( Instance )

FIDELITY NATIONAL INFORMATION SERVICES, INC. ( Instance )

FIFTH THIRD BANCORP ( Instance )

FISERV INC ( Instance )

FLEXTRONICS INTERNATIONAL LTD. ( Instance )

FLIR SYSTEMS INC ( Instance )

FLOWSERVE CORPORATION ( Instance )

FLUOR CORP ( Instance )

FMC Corporation ( Instance )

FMC TECHNOLOGIES INC ( Instance )

FOREST OIL CORPORATION ( Instance )

FORTUNE BRANDS INC ( Instance )

FPL Group, Inc. ( Instance )

FRANKLIN RESOURCES INC ( Instance )

FRESENIUS MEDICAL CARE AG & Co. KGaA ( Instance )

Federal National Mortgage Association ( Instance )

First Solar, Inc. ( Instance )

FirstEnergy Corp. ( Instance )

Ford Motor Company ( Instance )

Forest Laboratories Inc ( Instance )

Foster Wheeler AG ( Instance )

Freeport-McMoRan Copper & Gold Inc. ( Instance )

GANNETT CO., INC. ( Instance )

GENERAL DYNAMICS CORP ( Instance )

GENERAL GROWTH PROPERTIES INC ( Instance )

GENUINE PARTS COMPANY ( Instance )

GENWORTH FINANCIAL INC ( Instance )

GILEAD SCIENCES INC ( Instance )

GOODRICH CORPORATION ( Instance )

GRAFTECH INTERNATIONAL LTD ( Instance )

Garmin Ltd. ( Instance )

General Electric Company ( Instance )

Google Inc. ( Instance )

H. J. HEINZ COMPANY ( Instance )

HARLEY DAVIDSON INC ( Instance )

HCP, INC. ( Instance )

HELMERICH & PAYNE, INC. ( Instance )

HOLOGIC INC ( Instance )

HONEYWELL INTERNATIONAL INC. ( Instance )

HOSPIRA INC ( Instance )

HOST HOTELS & RESORTS, INC. ( Instance )

HUMANA INC ( Instance )

Halliburton Company ( Instance )

Hess Corporation ( Instance )

Hudson City Bancorp, Inc. ( Instance )

ICU MEDICAL INC ( Instance )

IMPERIAL OIL LTD ( Instance )

INTUITIVE SURGICAL INC ( Instance )

ITT Corporation ( Instance )

Illinois Tool Works Inc. ( Instance )

Ingersoll-Rand plc ( Instance )

Intel Corporation ( Instance )

IntercontinentalExchange, Inc. ( Instance )

International Business Machines Corp ( Instance )

International Paper Company ( Instance )

Invesco Ltd. ( Instance )

JACOBS ENGINEERING GROUP INC /DE/ ( Instance )

JOHNSON & JOHNSON ( Instance )

JPMorgan Chase & Co. ( Instance )

JUNIPER NETWORKS, INC. ( Instance )

Johnson Controls, Inc. ( Instance )

KANSAS CITY SOUTHERN ( Instance )

KBR, Inc. ( Instance )

KRAFT FOODS INC ( Instance )

Kellogg Company ( Instance )

KeyCorp ( Instance )

Kimberly-Clark Corporation ( Instance )

Kimco Realty Corporation ( Instance )

Kinder Morgan Energy Partners LP ( Instance )

L-3 Holdings, Inc. ( Instance )

LEGG MASON INC ( Instance )

LEUCADIA NATIONAL CORPORATION ( Instance )

LOCKHEED MARTIN CORP ( Instance )

LOWE'S COMPANIES, INC. ( Instance )

Laboratory Corporation of America Holdings ( Instance )

Liberty Global, Inc. ( Instance )

Liberty Media Corporation and Subsidiaries ( Instance )

Lincoln National Corporation ( Instance )

Loews Corporation ( Instance )

Lorillard, Inc. ( Instance )

MARRIOTT INTERNATIONAL INC /MD/ ( Instance )

MARSH & MCLENNAN COMPANIES, INC. ( Instance )

MASTERCARD INC ( Instance )

MATTEL INC /DE/ ( Instance )

MCDONALDS CORP ( Instance )

MDU Resources Group, Inc. ( Instance )

MEMC ELECTRONIC MATERIALS INC ( Instance )

MERCK & CO., INC. ( Instance )

MERRILL LYNCH & CO., INC. ( Instance )

MIDWEST GENERATION LLC ( Instance )

MIRANT CORP ( Instance )

MOODYS CORP /DE/ ( Instance )

MORGAN STANLEY ( Instance )

MURPHY OIL CORP /DE ( Instance )

Marathon Oil Corporation ( Instance )

Masco Corporation ( Instance )

Massey Energy Company ( Instance )

McAfee, Inc. ( Instance )

McDermott International, Inc. ( Instance )

McKESSON CORPORATION ( Instance )

Medco Health Solutions, Inc. ( Instance )

MetLife, Inc. ( Instance )

Microchip Technology Incorporated ( Instance )

Molson Coors Brewing Company ( Instance )

Motorola, Inc. ( Instance )

NABORS INDUSTRIES LTD. ( Instance )

NATIONAL OILWELL VARCO, INC. ( Instance )

NETFLIX INC ( Instance )

NEW YORK COMMUNITY BANCORP INC ( Instance )

NII Holdings, Inc. ( Instance )

NORTHERN TRUST CORP ( Instance )

NRG Energy, Inc. ( Instance )

NUCOR CORP ( Instance )

NVIDIA Corporation ( Instance )

NYSE Euronext ( Instance )

Newfield Exploration Company ( Instance )

Newmont Mining Corporation ( Instance )

Noble Corporation ( Instance )

Noble Energy, Inc. ( Instance )

Northrop Grumman Corporation ( Instance )

OCCIDENTAL PETROLEUM CORPORATION ( Instance )

OMNICOM GROUP INC. ( Instance )

ONEOK Partners, L.P. ( Instance )

ONEOK, Inc. ( Instance )

Open Text Corporation ( Instance )

Owens-Illinois, Inc. ( Instance )

PACCAR INC ( Instance )

PAPA JOHNS INTERNATIONAL INC ( Instance )

PEPCO HOLDINGS INC ( Instance )

PETROHAWK ENERGY CORP ( Instance )

PG&E Corporation ( Instance )

PIONEER NATURAL RESOURCES CO ( Instance )

PITNEY BOWES INC. ( Instance )

PLAINS ALL AMERICAN PIPELINE LP ( Instance )

PLAINS EXPLORATION & PRODUCTION CO ( Instance )

PLUM CREEK TIMBER CO INC ( Instance )

PNC FINANCIAL SERVICES GROUP INC ( Instance )

PPG INDUSTRIES INC ( Instance )

PPL Corporation ( Instance )

PRAXAIR INC ( Instance )

PRECISION CASTPARTS CORP ( Instance )

PRINCIPAL FINANCIAL GROUP INC ( Instance )

PROGRESSIVE CORP/OH/ ( Instance )

PRUDENTIAL FINANCIAL INC ( Instance )

PUBLIX SUPER MARKETS INC ( Instance )

Patterson-UTI Energy, Inc. ( Instance )

Peabody Energy Corporation ( Instance )

People's United Financial, Inc. ( Instance )

Pfizer Inc. ( Instance )

Philip Morris International Inc. ( Instance )

Pride International, Inc ( Instance )

ProLogis ( Instance )

Progress Energy, Inc. ( Instance )

Public Service Enterprise Group Incorporated ( Instance )

Public Storage ( Instance )

QUALCOMM Incorporated ( Instance )

Quanta Services, Inc. ( Instance )

Quest Diagnostics Incorporated ( Instance )

Questar Corporation ( Instance )

Qwest Communications International Inc ( Instance )

Qwest Communications International Inc ( Instance )

RANGE RESOURCES CORPORATION ( Instance )

RAYTHEON CO/ ( Instance )

REGIONS FINANCIAL CORP ( Instance )

REPUBLIC SERVICES, INC. ( Instance )

RR DONNELLEY & SONS CO ( Instance )

RRI Energy, Inc. ( Instance )

Reynolds American Inc. ( Instance )

Rockwell Automation, Inc. ( Instance )

Rockwell Collins, Inc. ( Instance )

Roper Industries, INC. ( Instance )

Rowan Companies, Inc. ( Instance )

SAFEWAY INC ( Instance )

SALESFORCE COM INC ( Instance )

SANDRIDGE ENERGY, INC. ( Instance )

SCHERING-PLOUGH CORPORATION ( Instance )

SCHLUMBERGER LTD /NV/ ( Instance )

SCHWAB CHARLES CORP ( Instance )

SIGMA ALDRICH CORP ( Instance )

SLM Corporation ( Instance )

SOUTHERN CALIFORNIA EDISON CO ( Instance )

SOUTHERN COPPER CORPORATION ( Instance )

SPRINT NEXTEL CORP ( Instance )

SPX Corp ( Instance )

STAPLES, INC. ( Instance )

STARBUCKS CORPORATION ( Instance )

STATE STREET Corp ( Instance )

SUNTRUST BANKS INC ( Instance )

SUPERVALU INC. ( Instance )

Sempra Energy ( Instance )

Shire plc ( Instance )

Smith International, Inc. ( Instance )

Southwest Airlines Co. ( Instance )

Southwestern Energy Company ( Instance )

Spectra Energy Corp. ( Instance )

St. Jude Medical, Inc. ( Instance )

Starwood Hotels & Resorts Worldwide, Inc. ( Instance )

Steel Dynamics Inc ( Instance )

Symantec Corporation ( Instance )

T. ROWE PRICE GROUP, INC. ( Instance )

TARGET CORPORATION ( Instance )

TEREX CORP ( Instance )

TEVA PHARMACEUTICAL INDUSTRIES LTD ( Instance )

TEXAS INSTRUMENTS INCORPORATED ( Instance )

THE CHUBB CORPORATION ( Instance )

THE MCGRAW-HILL COMPANIES, INC. ( Instance )

TIM HORTONS INC. ( Instance )

TJX COMPANIES INC ( Instance )

TORCHMARK CORP ( Instance )

TYCO INTERNATIONAL LTD /BER/ ( Instance )

Textron Inc. ( Instance )

The Coca-Cola Company ( Instance )

The DIRECTV Group, Inc. ( Instance )

The Dow Chemical Company ( Instance )

The Goldman Sachs Group, Inc. ( Instance )

The Hartford Financial Services Group, Inc. ( Instance )

The Hershey Company ( Instance )

The Sherwin-Williams Company ( Instance )

The Southern Company ( Instance )

The Williams Companies, Inc. ( Instance )

Thermo Fisher Scientific Inc. ( Instance )

Time Warner Inc. ( Instance )

Transocean Ltd. ( Instance )

Travelers Companies, Inc. ( Instance )

Tyco Electronics Ltd. ( Instance )

U.S. BANCORP ( Instance )

UNION PACIFIC CORPORATION ( Instance )

UNITED PARCEL SERVICE INC ( Instance )

UNITED STATES STEEL CORP ( Instance )

UNITED TECHNOLOGIES CORP /DE/ ( Instance )

UNITEDHEALTH GROUP INC ( Instance )

Ultra Petroleum Corp. ( Instance )

Unum Group ( Instance )

V.F. CORPORATION ( Instance )

VALERO ENERGY CORPORATION ( Instance )

VARIAN MEDICAL SYSTEMS INC ( Instance )

VENTAS INC ( Instance )

VERISIGN INC/CA ( Instance )

VERIZON COMMUNICATIONS INC ( Instance )

VISA INC. ( Instance )

VORNADO REALTY TRUST ( Instance )

Viacom Inc. ( Instance )

Vulcan Materials Company ( Instance )

W.W. Grainger, Inc. ( Instance )

WALT DISNEY CO/ ( Instance )

WEATHERFORD INTERNATIONAL LTD. ( Instance )

WELLPOINT INC ( Instance )

WELLS FARGO & COMPANY ( Instance )

WEYERHAEUSER CO ( Instance )

WINDSTREAM CORP ( Instance )

WISCONSIN ENERGY CORPORATION ( Instance )

WYETH ( Instance )

Walter Energy, Inc. ( Instance )

Waste Management, Inc. ( Instance )

Waters Corporation ( Instance )

Western Union CO ( Instance )

XCEL ENERGY INC ( Instance )

XTO ENERGY INC ( Instance )

Xerox Corporation ( Instance )

YAHOO INC ( Instance )

Zimmer Holdings, Inc. ( Instance )