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

Institutional Holders (2014Q3)
Portfolio Summary: 206 Institutional holders with a total value of $5,073,860,522.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BAMCO INC /NY/ 2,832,565 440,577,000 8.68%
2 VANGUARD GROUP INC 1,862,809 289,741,000 5.71%
3 WELLS FARGO & COMPANY/MN 1,764,882 274,502,000 5.41%
4 Winslow Capital Management, LLC 1,659,147 258,063,000 5.09%
5 TimesSquare Capital Management, LLC 1,562,665 243,057,000 4.79%
6 PRICE T ROWE ASSOCIATES INC /MD/ 1,291,396 200,864,000 3.96%
7 BLAIR WILLIAM & CO/IL 1,270,270 197,578,000 3.89%
8 JANUS HENDERSON INVESTORS US LLC 1,240,742 192,985,000 3.80%
9 WELLINGTON MANAGEMENT GROUP LLP 1,142,314 177,676,000 3.50%
10 JPMORGAN CHASE & CO 1,084,051 168,614,000 3.32%
11 AMERICAN CENTURY COMPANIES INC 874,689 136,049,000 2.68%
12 RIVERBRIDGE PARTNERS LLC 792,685 123,294,000 2.43%
13 BlackRock Institutional Trust Company, N.A. 750,620 116,751,000 2.30%
14 KORNITZER CAPITAL MANAGEMENT INC /KS 593,654 92,337,000 1.82%
15 ALLIANCEBERNSTEIN L.P. 576,510 89,670,000 1.77%
16 Invesco Ltd. 552,119 85,876,000 1.69%
17 WADDELL & REED FINANCIAL INC 538,456 83,751,000 1.65%
18 AMERIPRISE FINANCIAL INC 514,493 80,023,000 1.58%
19 Artisan Partners Limited Partnership 474,712 73,837,000 1.46%
20 FEDERATED HERMES, INC. 440,800 68,562,000 1.35%
21 DARUMA CAPITAL MANAGEMENT LLC 411,845 64,058,000 1.26%
22 OppenheimerFunds, Inc. 389,890 60,643,000 1.20%
23 FRANKLIN RESOURCES INC 378,510 58,873,000 1.16%
24 STATE STREET CORP 361,149 56,174,000 1.11%
25 FMR LLC 357,269 55,570,000 1.10%
26 GILDER GAGNON HOWE & CO LLC 351,051 54,602,000 1.08%
27 FRED ALGER MANAGEMENT, LLC 349,493 54,360,000 1.07%
28 NORTHERN TRUST CORP 337,866 52,553,000 1.04%
29 Stephens Investment Management Group LLC 324,096 50,410,000 0.99%
30 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 317,636 49,405,000 0.97%
31 Granahan Investment Management, LLC 311,566 48,461,000 0.96%
32 CORNERSTONE CAPITAL MANAGEMENT LLC 304,282 47,328,000 0.93%
33 LORD, ABBETT & CO. LLC 302,261 47,014,000 0.93%
34 MANAGED ACCOUNT ADVISORS LLC 294,496 45,806,000 0.90%
35 NORGES BANK 262,120 40,771,000 0.80%
36 BlackRock Fund Advisors 247,233 38,455,000 0.76%
37 RUSSELL FRANK CO/ 226,734 35,265,000 0.70%
38 GENEVA CAPITAL MANAGEMENT LLC 225,180 35,025,000 0.69%
39 Nationwide Fund Advisors 208,728 32,466,000 0.64%
40 Conestoga Capital Advisors, LLC 208,507 32,431,000 0.64%
41 GW&K Investment Management, LLC 176,846 27,507,000 0.54%
42 NEXT CENTURY GROWTH INVESTORS LLC 175,155 27,243,000 0.54%
43 BROWN ADVISORY INC 172,900 26,894,000 0.53%
44 GEODE CAPITAL MANAGEMENT, LLC 163,944 25,499,000 0.50%
45 Bank of New York Mellon Corp 144,860 22,532,000 0.44%
46 MASON STREET ADVISORS, LLC 140,585 21,867,000 0.43%
47 CROSSLINK CAPITAL INC 138,996 21,619,000 0.43%
48 RAINIER INVESTMENT MANAGEMENT LLC 124,180 19,314,000 0.38%
49 WESTFIELD CAPITAL MANAGEMENT CO LP 121,667 18,924,000 0.37%
50 DEUTSCHE BANK AG\ 117,278 18,239,000 0.36%
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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.