Notable Holders of Quality Systems, Inc. (QSII)

  |   Expand Research on QSII   |   * Does Not Fully Represent All Holders
Fund Title Shares % Owned Source
BlackRock Fund Advisors COM 3,856,075 6.40% 13F
BlackRock Institutional Trust Company, N.A. COM 1,177,979 1.96% 13F
ING Investment Management (Europe) B.V. COM 1,151,000 1.91% 13F
BOSTON TRUST & INVESTMENT MANAGEMENT CO 762,077 1.27% 13F
RUSSELL FRANK CO/ Common Stocks 301,081 0.50% 13F
BlackRock Investment Management, LLC COM 253,508 0.42% 13F
MANAGED ACCOUNT ADVISORS LLC COM 148,102 0.25% 13F
ANALYTIC INVESTORS INC/CA COM 131,796 0.22% 13F
BlackRock Group LTD COM 122,506 0.20% 13F
Great Oaks Capital Management, LLC 91,000 0.15% 13F
Atwater Capital Management LP COM 77,112 0.13% 13F
UBS AG COM 65,809 0.11% 13F
MADISON SQUARE INVESTORS LLC. COM 64,575 0.11% 13F
BAIRD ROBERT W & CO INC /WI/ COMMON 63,430 0.11% 13F
Spot Trading L.L.C (CALL) COM 43,300 0.07% 13F
Buford, Dickson, Harper & Sparrow, Inc COM 40,120 0.07% 13F
PEAK6 Investments, L.P. COM 31,892 0.05% 13F
BMO FINANCIAL CORP COM 27,500 0.05% 13F
BLACKROCK ADVISORS LLC COM 26,424 0.04% 13F
ING INVESTMENT MANAGEMENT CO COM 25,280 0.04% 13F
EULAV ASSET MANAGEMENT, LLC COM 23,800 0.04% 13F
Airain ltd Com 22,131 0.04% 13F
MFC GLOBAL INVESTMENT MANAGEMENT (U.S.), LLC COM 18,906 0.03% 13F
Emerald Acquisition Ltd. Common Stocks 18,564 0.03% 13F
VTL Associates, LLC COM 18,537 0.03% 13F
CLIFTON PARK CAPITAL MANAGEMENT, LLC COM 16,800 0.03% 13F
Manulife Asset Management (North America) Ltd COM 14,117 0.02% 13F
KCG Holdings, Inc. COM 10,348 0.02% 13F
Nuveen HydePark Group, LLC COM 6,818 0.01% 13F