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

Institutional Holders (2016Q4)
Portfolio Summary: 290 Institutional holders with a total value of $6,272,889,160.
#
Manager Name
Shares
Value ($)
%
Options
Notes
51 SEI INVESTMENTS CO 113,059 21,310,000 0.34%
52 NEW YORK STATE COMMON RETIREMENT FUND 111,002 20,923,000 0.33%
53 AMUNDI ASSET MANAGEMENT US, INC. 107,221 20,210,000 0.32%
54 Conestoga Capital Advisors, LLC 106,906 20,151,000 0.32%
55 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 104,152 19,631,000 0.31%
56 BLACKROCK ADVISORS LLC 102,472 19,315,000 0.31%
57 TIAA CREF INVESTMENT MANAGEMENT LLC 101,856 19,199,000 0.31%
58 KORNITZER CAPITAL MANAGEMENT INC /KS 101,114 19,059,000 0.30%
59 Capital World Investors 100,000 18,849,000 0.30%
60 DEUTSCHE BANK AG\ 96,928 18,268,000 0.29%
61 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 94,968 17,900,000 0.29%
62 Sumitomo Mitsui Trust Group, Inc. 92,269 17,392,000 0.28%
63 Swiss National Bank 90,600 17,077,000 0.27%
64 EAGLE ASSET MANAGEMENT INC 87,640 16,519,000 0.26%
65 GW&K Investment Management, LLC 86,201 16,248,000 0.26%
66 IBIS Capital Partners LLP 84,405 15,909,000 0.25%
67 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 83,816 15,799,000 0.25%
68 GILDER GAGNON HOWE & CO LLC 80,227 15,122,000 0.24%
69 CREDIT SUISSE AG/ 79,011 14,893,000 0.24%
70 MORGAN STANLEY 78,919 14,875,000 0.24%
71 PEREGRINE CAPITAL MANAGEMENT INC /MN/ 77,273 14,565,000 0.23%
72 SCGE MANAGEMENT, L.P. 77,000 14,514,000 0.23%
73 DIMENSIONAL FUND ADVISORS LP 69,826 13,161,000 0.21%
74 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 66,383 12,513,000 0.20%
75 BROWN ADVISORY INC 65,022 12,256,000 0.20%
76 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 64,500 12,158,000 0.19%
77 Allianz Asset Management GmbH 64,449 12,148,000 0.19%
78 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 64,328 12,125,000 0.19%
79 RAINIER INVESTMENT MANAGEMENT LLC 56,720 10,691,000 0.17%
80 MANUFACTURERS LIFE INSURANCE COMPANY, THE 55,873 10,531,000 0.17%
81 STRS OHIO 55,484 10,458,000 0.17%
82 THORNBURG INVESTMENT MANAGEMENT INC 53,652 10,113,000 0.16%
83 OppenheimerFunds, Inc. 49,487 9,328,000 0.15%
84 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 44,186 9,280,000 0.15%
85 Asset Management One Co., Ltd. 48,478 9,134,000 0.15%
86 AMERICAN CAPITAL MANAGEMENT INC 47,593 8,971,000 0.14%
87 MILLENNIUM MANAGEMENT LLC 47,389 8,932,000 0.14%
88 FIRST TRUST ADVISORS LP 46,428 8,751,000 0.14%
89 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 46,244 8,717,000 0.14%
90 SANDS CAPITAL MANAGEMENT, LLC 46,140 8,697,000 0.14%
91 UNITED SERVICES AUTOMOBILE ASSOCIATION 45,689 8,612,000 0.14%
92 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 43,346 8,170,000 0.13%
93 DISCIPLINED GROWTH INVESTORS INC /MN 42,699 8,048,000 0.13%
94 SECOR Capital Advisors, LP 42,078 7,931,000 0.13%
95 PRUDENTIAL FINANCIAL INC 40,350 7,605,000 0.12%
96 Alberta Investment Management Corp 39,807 7,503,000 0.12%
97 TIVERTON ASSET MANAGEMENT LLC 39,238 7,396,000 0.12%
98 SUSQUEHANNA INTERNATIONAL GROUP, LLP 39,200 7,389,000 0.12% Call
99 Echo Street Capital Management LLC 37,916 7,147,000 0.11%
100 CITADEL ADVISORS LLC 36,838 6,944,000 0.11%
Page 2 of 6

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.