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CoStar Group Inc. (CSGP)

-NasdaqGS
193.33 Down 1.48(0.76%) 4:00PM EDT
|After Hours : 194.76 Up 1.43 (0.74%) 4:11PM EDT
Major HoldersGet Major Holders for:
Breakdown
% of Shares Held by All Insider and 5% Owners:3%
% of Shares Held by Institutional & Mutual Fund Owners:105%
% of Float Held by Institutional & Mutual Fund Owners:108%
Number of Institutions Holding Shares:251

Major Direct Holders (Forms 3 & 4)
HolderSharesReported
KLEIN MICHAEL R329,543Sep 9, 2015
BONDERMAN DAVID294,277Sep 11, 2014
FLORANCE ANDREW C164,580Mar 11, 2016
HABER WARREN H119,008Sep 9, 2015
RADECKI BRIAN J41,473Mar 13, 2015


Top Institutional Holders
HolderShares% OutValue*Reported
Wellington Management Company, LLP3,058,8329.40632,229,992Dec 31, 2015
BAMCO Inc.2,875,2668.83594,288,735Dec 31, 2015
Vanguard Group, Inc. (The)2,091,5736.43432,307,227Dec 31, 2015
JANUS CAPITAL MANAGEMENT, LLC1,865,2915.73385,537,000Dec 31, 2015
Wells Fargo & Company1,645,7385.06340,157,590Dec 31, 2015
William Blair Investment Management, LLC1,369,4404.21283,049,556Dec 31, 2015
Winslow Capital Management1,346,5604.14278,320,489Dec 31, 2015
Times Square Capital Management, LLC1,015,9653.12209,989,807Dec 31, 2015
JP Morgan Chase & Company1,006,5393.09208,041,547Dec 31, 2015
Waddell & Reed Financial Inc.922,2462.83190,619,027Dec 31, 2015

Top Mutual Fund Holders
HolderShares% OutValue*Reported
Baron Partners Fund1,100,0003.38227,359,002Dec 31, 2015
Baron Growth Fund999,6533.07206,618,280Dec 31, 2015
Mainstay Large Cap Growth Fund804,4152.47141,070,254Jan 31, 2016
Vanguard Small-Cap Index Fund616,4671.89127,417,565Dec 31, 2015
Price (T.Rowe) New Horizons Fund574,4001.76118,722,737Dec 31, 2015
Vanguard Total Stock Market Index Fund561,1351.72115,980,994Dec 31, 2015
Ivy Mid Cap Growth Fund489,4261.50101,159,460Dec 31, 2015
Wells Fargo Growth Fd472,0501.4583,581,172Feb 29, 2016
Hartford Growth Opportunities Fund445,9431.3778,205,021Jan 31, 2016
American Century Heritage Fund436,7061.3490,262,764Dec 31, 2015

View Transactions for Insiders & Institutional Holders

Value shown is computed using the security's price on the report date given.

Currency in USD.