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

Institutional Holders (2014Q4)
Portfolio Summary: 217 Institutional holders with a total value of $6,073,588,594.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BAMCO INC /NY/ 2,888,345 530,387,000 8.73%
2 VANGUARD GROUP INC 1,875,816 344,456,000 5.67%
3 WELLS FARGO & COMPANY/MN 1,647,696 302,566,000 4.98%
4 Winslow Capital Management, LLC 1,572,482 288,755,000 4.75%
5 TimesSquare Capital Management, LLC 1,465,930 269,189,000 4.43%
6 BLAIR WILLIAM & CO/IL 1,458,316 267,790,000 4.41%
7 JANUS HENDERSON INVESTORS US LLC 1,388,605 254,990,000 4.20%
8 PRICE T ROWE ASSOCIATES INC /MD/ 1,221,096 224,230,000 3.69%
9 WELLINGTON MANAGEMENT GROUP LLP 1,130,277 207,553,000 3.42%
10 JPMORGAN CHASE & CO 1,082,732 198,822,000 3.27%
11 RIVERBRIDGE PARTNERS LLC 849,070 155,915,000 2.57%
12 AMERICAN CENTURY COMPANIES INC 838,825 154,033,000 2.54%
13 BlackRock Institutional Trust Company, N.A. 762,457 140,010,000 2.31%
14 Invesco Ltd. 610,874 112,174,000 1.85%
15 WADDELL & REED FINANCIAL INC 583,372 107,124,000 1.76%
16 KORNITZER CAPITAL MANAGEMENT INC /KS 531,189 97,542,000 1.61%
17 ALLIANCEBERNSTEIN L.P. 502,113 92,203,000 1.52%
18 Artisan Partners Limited Partnership 491,656 90,283,000 1.49%
19 AMERIPRISE FINANCIAL INC 453,734 83,318,000 1.37%
20 FRANKLIN RESOURCES INC 426,863 78,385,000 1.29%
21 LORD, ABBETT & CO. LLC 422,886 77,655,000 1.28%
22 DARUMA CAPITAL MANAGEMENT LLC 410,687 75,414,000 1.24%
23 FEDERATED HERMES, INC. 397,778 73,044,000 1.20%
24 OppenheimerFunds, Inc. 382,290 70,200,000 1.16%
25 STATE STREET CORP 371,738 68,263,000 1.12%
26 NORTHERN TRUST CORP 345,754 63,491,000 1.05%
27 CORNERSTONE CAPITAL MANAGEMENT LLC 342,392 62,873,000 1.04%
28 FRED ALGER MANAGEMENT, LLC 322,009 59,131,000 0.97%
29 Stephens Investment Management Group LLC 312,094 57,310,000 0.94%
30 Wildcat Capital Management, LLC 291,447 53,518,000 0.88%
31 MANAGED ACCOUNT ADVISORS LLC 280,090 51,433,000 0.85%
32 FMR LLC 278,869 51,208,000 0.84%
33 WESTFIELD CAPITAL MANAGEMENT CO LP 274,972 50,493,000 0.83%
34 NORGES BANK 262,120 48,133,000 0.79%
35 BlackRock Fund Advisors 253,592 46,567,000 0.77%
36 RUSSELL FRANK CO/ 247,672 45,552,000 0.75%
37 Granahan Investment Management, LLC 235,341 43,216,000 0.71%
38 Nationwide Fund Advisors 230,370 42,303,000 0.70%
39 GW&K Investment Management, LLC 207,934 38,183,000 0.63%
40 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 201,861 37,067,735 0.61%
41 Conestoga Capital Advisors, LLC 196,794 36,137,000 0.59%
42 JANUS HENDERSON GROUP PLC 177,699 32,631,000 0.54%
43 GEODE CAPITAL MANAGEMENT, LLC 175,288 32,188,000 0.53%
44 MASON STREET ADVISORS, LLC 170,547 31,318,000 0.52%
45 NEXT CENTURY GROWTH INVESTORS LLC 159,917 29,365,000 0.48%
46 BROWN ADVISORY INC 159,657 29,318,000 0.48%
47 JAT CAPITAL MANAGEMENT, L.P. 158,494 29,104,000 0.48%
48 RAINIER INVESTMENT MANAGEMENT LLC 155,930 28,635,000 0.47%
49 GILDER GAGNON HOWE & CO LLC 147,502 27,086,000 0.45%
50 CROSSLINK CAPITAL INC 146,196 26,846,000 0.44%
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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.