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Notable Holders of STEC, Inc. (STEC)

  |   Expand Research on STEC   |   * Does Not Fully Represent All Holders
Fund Title Shares % Owned Source
PEAK6 Investments, L.P. (PUT) COM 4,845,000 10.53% 13F
ARTIS CAPITAL MANAGEMENT, L.P. COM 3,128,200 6.80% 13F
VANGUARD GROUP INC COM 2,301,931 5.00% 13F
Spot Trading L.L.C (PUT) COM 2,169,900 4.72% 13F
Coatue Management COM 1,979,181 4.30% 13F
Perkins Investment Management, LLC COM 1,889,900 4.11% 13F
ROYCE & ASSOCIATES LLC COM 1,807,400 3.93% 13F
Goldman Sachs Asset Management, L.P. CMN 1,677,950 3.65% 13F
BlackRock Institutional Trust Company, N.A. COM 1,178,773 2.56% 13F
DIMENSIONAL FUND ADVISORS LP COM 1,063,457 2.31% 13F
BlackRock Fund Advisors COM 836,335 1.82% 13F
Timber Hill LLC (CALL) CALL 604,200 1.31% 13F
NORTHERN TRUST CORP COM 548,761 1.19% 13F
Fidelity Investments COM 481,380 1.05% 13F
BARCLAYS PLC (PUT) OPT 407,300 0.89% 13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM * STEC INC COM 387,150 0.84% 13F
Citadel (CALL) CMN 348,700 0.76% 13F
ARROWSTREET CAPITAL LIMITED PARTNERSHIP COM 337,936 0.73% 13F
ROYAL BANK OF CANADA \ COM 321,839 0.70% 13F
NEEDHAM INVESTMENT MANAGEMENT LLC COM 279,000 0.61% 13F
Sursum Capital Management, LP COM 250,000 0.54% 13F
Walleye Trading LLC (CALL) COM 248,400 0.54% 13F
TIAA CREF INVESTMENT MANAGEMENT LLC COM 240,896 0.52% 13F
MARKSTON INTERNATIONAL LLC common stock 237,000 0.52% 13F
WealthTrust Axiom LLC COM 216,035 0.47% 13F
CAXTON ASSOCIATES LP COM 196,377 0.43% 13F
MORGAN STANLEY COM 174,151 0.38% 13F
Jane Street Holding, LLC (PUT) COM 162,400 0.35% 13F
UBS AG COM 154,367 0.34% 13F
GEODE CAPITAL MANAGEMENT LLC COM 129,736 0.28% 13F
Employees Retirement System of Texas COM 125,000 0.27% 13F
BlackRock Investment Management, LLC COM 120,659 0.26% 13F
SCHWAB CHARLES INVESTMENT MANAGEMENT INC COM 117,258 0.25% 13F
TFS CAPITAL LLC COM 113,912 0.25% 13F
CREDIT SUISSE AG/ COM 113,670 0.25% 13F
Gotham Asset Management, LLC COM 107,632 0.23% 13F
Orbitronix LP (CALL) OPTION - CALLS 100,000 0.22% 13F
Herald Investment Management Ltd 100,000 0.22% 13F
BALYASNY ASSET MANAGEMENT LLC COMMON STOCK 100,000 0.22% 13F
BESSEMER GROUP INC SC 96,140 0.21% 13F
OPPENHEIMER FUNDS INC COM 91,980 0.20% 13F
KNIGHT CAPITAL GROUP, INC. (PUT) PUT 91,400 0.20% 13F
S Squared Technology, LLC COM 85,500 0.19% 13F
SHELL ASSET MANAGEMENT CO COM 74,289 0.16% 13F
FIRST NEW YORK SECURITIES LLC /NY COM 61,000 0.13% 13F
TEACHERS ADVISORS INC COM 55,519 0.12% 13F
PARAMETRIC PORTFOLIO ASSOCIATES Common Stock 54,594 0.12% 13F
Highbridge Capital OPTION 49,300 0.11% 13F
FIRST QUADRANT L P/CA COM 46,800 0.10% 13F
TANAKA CAPITAL MANAGEMENT INC COM 37,800 0.08% 13F
AMERICAN INTERNATIONAL GROUP INC COM 35,012 0.08% 13F
PARADIGM ASSET MANAGEMENT CO LLC COM 35,000 0.08% 13F
Manulife Asset Management (North America) Ltd COM 33,685 0.07% 13F
BLACKROCK ADVISORS LLC COM 28,561 0.06% 13F
RUSSELL FRANK CO/ COMMON STOCKS 27,906 0.06% 13F
ING INVESTMENT MANAGEMENT CO COM 27,110 0.06% 13F
SEGER ELVEKROG INC COM 24,800 0.05% 13F
PRINCIPAL FINANCIAL GROUP INC COM 21,607 0.05% 13F
BAIRD ROBERT W & CO INC /WI/ COMMON 20,998 0.05% 13F
Commonwealth Equity Services, Inc COM 20,600 0.04% 13F
WOLVERINE ASSET MANAGEMENT LLC COM 20,400 0.04% 13F
DENVER INVESTMENT ADVISORS LLC COMMON 20,100 0.04% 13F
PRICE T ROWE ASSOCIATES INC /MD/ COMM STK 18,000 0.04% 13F
Fort Hill Capital Management, LLC (PUT) COM 17,500 0.04% 13F
STIFEL NICOLAUS & CO INC \MO\ COM 17,294 0.04% 13F
NOMURA HOLDINGS INC CMN 16,319 0.04% 13F
PENN MUTUAL LIFE INSURANCE CO COM 15,700 0.03% 13F
Janney Montgomery Scott LLC COMMON STOCK 15,700 0.03% 13F
AMERIPRISE FINANCIAL INC COM 14,495 0.03% 13F
DEUTSCHE BANK AG\ COM 13,960 0.03% 13F
JPMORGAN CHASE & CO COMMON 13,794 0.03% 13F
OAK ASSOCIATES LTD /OH/ COM 13,400 0.03% 13F
Neuberger Berman Group LLC COMMON STOCK 12,105 0.03% 13F
Teton Advisors, Inc. COM 11,242 0.02% 13F
BlackRock Group LTD COM 11,138 0.02% 13F
MILLENNIUM MANAGEMENT LLC COM 11,060 0.02% 13F
SG Americas Securities, LLC 10,693 0.02% 13F
Invesco Ltd. COMMON 10,614 0.02% 13F
CAMDEN PARTNERS HOLDINGS LLC COM 6,400 0.01% 13F
MACQUARIE GROUP LTD COMMON STOCK 4,692 0.01% 13F