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COSTAR GROUP INC
COSTAR GROUP INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q2)
Portfolio Summary: 214 Institutional holders with a total value of $6,652,461,374.
#
Manager Name
Shares
Value ($)
%
Options
Notes
101 BlackRock Group LTD 19,097 3,843,000 0.06%
102 M&T BANK CORP 18,948 3,813,000 0.06%
103 BlackRock Investment Management, LLC 17,994 3,621,000 0.05%
104 SUSQUEHANNA INTERNATIONAL GROUP, LLP 17,800 3,582,000 0.05% Call
105 UBS Group AG 17,538 3,529,000 0.05%
106 DRIEHAUS CAPITAL MANAGEMENT LLC 17,188 3,459,000 0.05%
107 US BANCORP \DE\ 16,993 3,420,000 0.05%
108 D. E. Shaw & Co., Inc. 16,220 3,264,000 0.05%
109 EULAV Asset Management 16,000 3,220,000 0.05%
110 VOYA INVESTMENT MANAGEMENT LLC 14,901 2,999,000 0.05%
111 FIRST TRUST ADVISORS LP 14,644 2,947,000 0.04%
112 Asset Management One Co., Ltd. 13,918 2,804,000 0.04%
113 Transamerica Financial Advisors, LLC 13,000 2,617,000 0.04%
114 LMCG INVESTMENTS, LLC 10,333 2,080,000 0.03%
115 DekaBank Deutsche Girozentrale 9,950 2,003,000 0.03%
116 WMS Partners, LLC 9,331 1,878,000 0.03%
117 Edgemoor Investment Advisors, Inc. 9,102 1,832,000 0.03%
118 ROYAL BANK OF CANADA 8,284 1,668,000 0.03%
119 Tygh Capital Management, Inc. 8,011 1,612,000 0.02%
120 PEAK6 Group LLC 7,863 1,583,000 0.02%
121 STIFEL FINANCIAL CORP 7,680 1,545,000 0.02%
122 IBM Retirement Fund 7,523 1,514,000 0.02%
123 MORGAN STANLEY 7,354 1,479,000 0.02%
124 People's United Financial, Inc. 6,934 1,395,000 0.02%
125 SUSQUEHANNA INTERNATIONAL GROUP, LLP 6,671 1,343,000 0.02%
126 Westend Capital Management, LLC 6,162 1,256,000 0.02%
127 LOOMIS SAYLES & CO L P 6,229 1,254,000 0.02%
128 Utah Retirement Systems 5,900 1,188,000 0.02%
129 Diversified Trust Co 5,477 1,102,000 0.02%
130 AQR CAPITAL MANAGEMENT LLC 5,311 1,069,000 0.02%
131 Aperio Group, LLC 5,030 1,012,000 0.02%
132 CHATHAM CAPITAL GROUP, INC. 4,885 983,000 0.01%
133 L. Roy Papp & Associates, LLP 4,821 970,000 0.01%
134 Redmond Asset Management, LLC 4,771 960,000 0.01%
135 HSBC HOLDINGS PLC 4,439 894,000 0.01%
136 Pergamon Offshore Advisors, L.P. 4,235 852,000 0.01%
137 A.R.T. Advisors, LLC 4,084 821,000 0.01%
138 CITIGROUP INC 3,923 791,000 0.01%
139 STEPHENS INC /AR/ 3,921 789,000 0.01%
140 JANE STREET GROUP, LLC 3,917 788,000 0.01%
141 NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC 3,810 767,000 0.01%
142 AMERICAN CAPITAL MANAGEMENT INC 3,750 755,000 0.01%
143 AMALGAMATED BANK 3,732 751,000 0.01%
144 MILLENNIUM MANAGEMENT LLC 3,507 706,000 0.01%
145 GUGGENHEIM CAPITAL LLC 3,493 703,000 0.01%
146 WALL STREET ASSOCIATES 3,486 702,000 0.01%
147 Artemis Investment Management LLP 3,428 690,000 0.01%
148 Calamos Wealth Management LLC 3,330 670,000 0.01%
149 Capital Impact Advisors, LLC 3,118 628,000 0.01%
150 CONNABLE OFFICE INC 3,000 604,000 0.01%
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From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.