Notable Holders of The Advisory Board Co (ABCO)

  |   Expand Research on ABCO   |   * Does Not Fully Represent All Holders
Fund Title Shares % Owned Source
JANUS CAPITAL MANAGEMENT LLC COM 3,346,695 9.26% 13F
BlackRock Fund Advisors COM 1,251,898 3.46% 13F
BlackRock Institutional Trust Company, N.A. COM 1,025,796 2.84% 13F
LANE DOUGLAS C & ASSOCIATES INC COMMON 464,514 1.29% 13F
WEATHERBIE M A & CO INC/MA COM 393,028 1.09% 13F
RUSSELL FRANK CO/ Common Stocks 309,358 0.86% 13F
CHARTWELL INVESTMENT PARTNERS/PA COM 269,611 0.75% 13F
MANAGED ACCOUNT ADVISORS LLC COM 257,411 0.71% 13F
MFC GLOBAL INVESTMENT MANAGEMENT (U.S.), LLC COM 206,770 0.57% 13F
TAMRO Capital Partners LLC COM 192,481 0.53% 13F
BlackRock Investment Management, LLC COM 154,252 0.43% 13F
Emerald Acquisition Ltd. Common Stocks 144,974 0.40% 13F
BMO FINANCIAL CORP COM 138,591 0.38% 13F
NORTHERN TRUST CO OF CONNECTICUT COM 103,476 0.29% 13F
Placemark Investments, Inc. COM 75,004 0.21% 13F
Timberline Asset Management LLC Com 74,539 0.21% 13F
BlackRock Group LTD COM 29,834 0.08% 13F
MONTAGE INVESTMENTS, LLC COM 23,916 0.07% 13F
BLACKROCK ADVISORS LLC COM 21,672 0.06% 13F
SCOTT & STRINGFELLOW, LLC COM 20,799 0.06% 13F
ING INVESTMENT MANAGEMENT CO COM 19,360 0.05% 13F
RODNEY SQUARE MANAGEMENT CORP COMMON 13,885 0.04% 13F
Manulife Asset Management (North America) Ltd COM 12,320 0.03% 13F
SEI TRUST CO COM 11,558 0.03% 13F
EULAV ASSET MANAGEMENT, LLC COM 8,100 0.02% 13F
KCG Holdings, Inc. COM 5,847 0.02% 13F
UBS AG COM 5,250 0.01% 13F
Cantab Capital Partners LLP COM 4,156 0.01% 13F