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Notable Holders of Rackspace Hosting (RAX)

  |   Expand Research on RAX   |   * Does Not Fully Represent All Holders
Fund Title Shares % Owned Source
Fidelity Investments COM 19,433,117 14.83% 13F
WELLS FARGO & CO/MN EQUITY 10,206,360 7.79% 13F
PRICE T ROWE ASSOCIATES INC /MD/ COMM STK 6,566,860 5.01% 13F
VANGUARD GROUP INC COM 4,206,272 3.21% 13F
Goldman Sachs Asset Management, L.P. CMN 3,811,614 2.91% 13F
BlackRock Institutional Trust Company, N.A. COM 2,633,977 2.01% 13F
BlackRock Fund Advisors COM 2,338,280 1.78% 13F
BLACKROCK ADVISORS LLC COM 2,326,824 1.78% 13F
STATE STREET CORP SHARES 2,301,010 1.76% 13F
LEGG MASON CAPITAL MANAGEMENT INC COM 1,109,088 0.85% 13F
Goodman & Company, Investment Counsel Ltd. COM 966,500 0.74% 13F
Ionic Capital Management LLC (PUT) COM 960,600 0.73% 13F
JPMORGAN CHASE & CO COMMON 889,450 0.68% 13F
JACOBS LEVY EQUITY MANAGEMENT INC COM 730,520 0.56% 13F
TIAA CREF INVESTMENT MANAGEMENT LLC COM 655,848 0.50% 13F
NORTHERN TRUST CORP COM 643,471 0.49% 13F
MORGAN STANLEY COM 618,776 0.47% 13F
Neuberger Berman Group LLC COMMON STOCK 542,450 0.41% 13F
GUGGENHEIM CAPITAL LLC COM 536,520 0.41% 13F
BlackRock Group LTD COM 532,276 0.41% 13F
NEW YORK STATE COMMON RETIREMENT FUND COMMON STOCK 525,324 0.40% 13F
EMS Capital LP COM 483,200 0.37% 13F
Contour Asset Management LLC COM 475,000 0.36% 13F
AMERIPRISE FINANCIAL INC COM 473,322 0.36% 13F
JANUS CAPITAL MANAGEMENT LLC COM 436,500 0.33% 13F
BlackRock Investment Management, LLC COM 409,474 0.31% 13F
Cupps Capital Management, LLC COM 402,167 0.31% 13F
DRIEHAUS CAPITAL MANAGEMENT LLC COM 368,046 0.28% 13F
Citadel CMN 362,669 0.28% 13F
TEACHERS ADVISORS INC COM 346,819 0.26% 13F
GEODE CAPITAL MANAGEMENT LLC COM 331,639 0.25% 13F
CLOVIS CAPITAL MANAGEMENT LP (PUT) COM 300,000 0.23% 13F
BlackRock Inc. COM 293,118 0.22% 13F
OPPENHEIMER FUNDS INC COM 289,860 0.22% 13F
STATE OF WISCONSIN INVESTMENT BOARD COM 284,933 0.22% 13F
RENAISSANCE TECHNOLOGIES LLC COM 283,100 0.22% 13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM * RACKSPACE HOSTING 273,920 0.21% 13F
NEW YORK STATE TEACHERS RETIREMENT SYSTEM COM 251,600 0.19% 13F
AMERICAN INTERNATIONAL GROUP INC COM 229,531 0.18% 13F
BMO FINANCIAL CORP COM 214,508 0.16% 13F
EMERALD ADVISERS INC/PA COM 210,720 0.16% 13F
ANALYTIC INVESTORS INC/CA 203,200 0.16% 13F
MAPLELANE CAPITAL, LLC (PUT) COM 200,000 0.15% 13F
Spot Trading L.L.C (PUT) COM 198,800 0.15% 13F
PRINCIPAL FINANCIAL GROUP INC COM 197,272 0.15% 13F
PEAK6 Investments, L.P. COM 184,900 0.14% 13F
BARCLAYS PLC (PUT) OPT 174,000 0.13% 13F
Kynikos Associates LP COM 170,100 0.13% 13F
PALISADE CAPITAL MANAGEMENT LLC/NJ COM 168,810 0.13% 13F
RUSSELL FRANK CO/ COMMON STOCKS 164,046 0.13% 13F
ING INVESTMENT MANAGEMENT CO COM 161,600 0.12% 13F
Manulife Asset Management (North America) Ltd COM 156,165 0.12% 13F
STEELHEAD PARTNERS LLC (PUT) COM 150,000 0.11% 13F
Invesco Ltd. COMMON 140,350 0.11% 13F
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO COM 137,479 0.10% 13F
FIL Ltd COM 133,400 0.10% 13F
CREDIT SUISSE AG/ COM 124,420 0.09% 13F
GILDER GAGNON HOWE & CO LLC COM 114,450 0.09% 13F
WALL STREET ASSOCIATES COM 114,400 0.09% 13F
300 NORTH CAPITAL, LLC COM 105,794 0.08% 13F
DEUTSCHE BANK AG\ COM 105,249 0.08% 13F
SCHWAB CHARLES INVESTMENT MANAGEMENT INC COM 99,810 0.08% 13F
KING LUTHER CAPITAL MANAGEMENT CORP COM 96,018 0.07% 13F
EULAV ASSET MANAGEMENT, LLC COM 91,000 0.07% 13F
TURNER INVESTMENT PARTNERS INC COM 89,173 0.07% 13F
DIMENSIONAL FUND ADVISORS LP COM 88,139 0.07% 13F
CAXTON ASSOCIATES LP COM 84,990 0.06% 13F
BLAIR WILLIAM & CO/IL COM 79,625 0.06% 13F
COMERICA BANK COM 79,417 0.06% 13F
Evercore Wealth Management, LLC COM 71,450 0.05% 13F
PARAMETRIC PORTFOLIO ASSOCIATES Common Stock 70,139 0.05% 13F
Walleye Trading LLC (PUT) COM 68,000 0.05% 13F
EMERALD MUTUAL FUND ADVISERS TRUST COM 60,810 0.05% 13F
Barton Investment Management COMMON STOCK 60,120 0.05% 13F
MOORE CAPITAL MANAGEMENT, LP COM 60,000 0.05% 13F
NOMURA ASSET MANAGEMENT SINGAPORE Ltd COM 55,000 0.04% 13F
STATE TREASURER STATE OF MICHIGAN COM 53,500 0.04% 13F
JENNISON ASSOCIATES LLC COM 46,913 0.04% 13F
Employees Retirement System of Texas COM 46,000 0.04% 13F
STRAUS CAPITAL MANAGEMENT, L.L.C. COM 45,000 0.03% 13F
CITIGROUP INC (PUT) COM 43,700 0.03% 13F
SiVest Group, Inc. COMMON STOCK 40,000 0.03% 13F
MASON STREET ADVISORS LLC COM 39,100 0.03% 13F
TD ASSET MANAGEMENT INC COM 36,000 0.03% 13F
TWO SIGMA INVESTMENTS LLC COM 34,400 0.03% 13F
Liberty Mutual Group Asset Management Inc. COM 33,435 0.03% 13F
Rathbone Brothers plc COM 33,179 0.03% 13F
CHICAGO EQUITY PARTNERS LLC COM 29,075 0.02% 13F
CAPITAL MANAGEMENT ASSOCIATES INC COM 28,345 0.02% 13F
BRIDGES INVESTMENT MANAGEMENT INC 26,100 0.02% 13F
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 25,363 0.02% 13F
FIFTH THIRD ASSET MANAGEMENT INC COM 25,000 0.02% 13F
SYMPHONY ASSET MANAGEMENT LLC COM 24,611 0.02% 13F
STIFEL NICOLAUS & CO INC \MO\ COM 24,398 0.02% 13F
SAC Capital COMMON 23,700 0.02% 13F
OMERS ADMINISTRATION CORP COM 22,800 0.02% 13F
MACQUARIE GROUP LTD COMMON STOCK 22,780 0.02% 13F
Patriot Wealth Management, Inc. COM 21,810 0.02% 13F
World Asset Management Inc COM 20,418 0.02% 13F
Jane Street Holding, LLC (PUT) COM 20,000 0.02% 13F
Santa Fe Partners LLC COM 19,554 0.01% 13F
Wellington COM 17,271 0.01% 13F
FIRST TRUST ADVISORS LP COM 16,721 0.01% 13F
ROYAL BANK OF CANADA \ COM 16,680 0.01% 13F
Baillie Gifford & Co COM 15,141 0.01% 13F
Magnetar Financial LLC COM 14,363 0.01% 13F
FIRST QUADRANT L P/CA COM 13,600 0.01% 13F