Dark
Light
System
Security
COSTAR GROUP
COSTAR GROUP. Institutional holdings reported to the SEC.

Institutional Holders (2014Q2)
Portfolio Summary: 235 Institutional holders with a total value of $4,991,552,648.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BAMCO INC /NY/ 2,368,320 374,597,000 7.50%
2 VANGUARD GROUP INC 1,846,205 292,015,000 5.85%
3 WELLS FARGO & COMPANY/MN 1,613,810 255,257,000 5.11%
4 TimesSquare Capital Management, LLC 1,520,923 240,564,000 4.82%
5 PRICE T ROWE ASSOCIATES INC /MD/ 1,290,496 204,118,000 4.09%
6 BLAIR WILLIAM & CO/IL 1,280,474 202,532,000 4.06%
7 WELLINGTON MANAGEMENT GROUP LLP 1,196,235 189,208,000 3.79%
8 ALLIANCEBERNSTEIN L.P. 1,121,281 177,353,000 3.55%
9 JANUS HENDERSON INVESTORS US LLC 1,030,605 162,417,000 3.25%
10 AMERICAN CENTURY COMPANIES INC 959,478 151,761,000 3.04%
11 Winslow Capital Management, LLC 873,490 138,159,000 2.77%
12 FRED ALGER MANAGEMENT, LLC 776,204 122,772,000 2.46%
13 BlackRock Institutional Trust Company, N.A. 712,826 112,748,000 2.26%
14 KORNITZER CAPITAL MANAGEMENT INC /KS 669,775 105,938,000 2.12%
15 JPMORGAN CHASE & CO 652,233 103,164,000 2.07%
16 RIVERBRIDGE PARTNERS LLC 633,201 100,153,000 2.01%
17 Invesco Ltd. 559,348 88,472,000 1.77%
18 Artisan Partners Limited Partnership 498,119 78,787,000 1.58%
19 AMERIPRISE FINANCIAL INC 492,949 77,970,000 1.56%
20 WADDELL & REED FINANCIAL INC 480,785 76,046,000 1.52%
21 OppenheimerFunds, Inc. 458,550 72,529,000 1.45%
22 FMR LLC 432,287 68,375,000 1.37%
23 FEDERATED HERMES, INC. 424,759 67,184,000 1.35%
24 DARUMA CAPITAL MANAGEMENT LLC 414,085 65,496,000 1.31%
25 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 399,305 63,158,000 1.27%
26 NORTHERN TRUST CORP 373,738 59,113,000 1.18%
27 GILDER GAGNON HOWE & CO LLC 352,425 55,743,000 1.12%
28 STATE STREET CORP 344,670 54,520,000 1.09%
29 COLUMBUS CIRCLE INVESTORS 323,158 51,114,000 1.02%
30 Granahan Investment Management, LLC 303,658 48,030,000 0.96%
31 Stephens Investment Management Group LLC 298,336 47,188,000 0.95%
32 GENEVA CAPITAL MANAGEMENT LLC 279,308 44,179,000 0.89%
33 NORGES BANK 262,120 41,459,000 0.83%
34 MANAGED ACCOUNT ADVISORS LLC 221,416 35,021,000 0.70%
35 Nationwide Fund Advisors 218,499 34,560,000 0.69%
36 BlackRock Fund Advisors 217,203 34,355,000 0.69%
37 Conestoga Capital Advisors, LLC 208,842 33,033,000 0.66%
38 Ignis Investment Services Ltd 18,595 29,278,000 0.59%
39 BROWN ADVISORY INC 180,203 28,503,000 0.57%
40 NEXT CENTURY GROWTH INVESTORS LLC 177,643 28,097,000 0.56%
41 GW&K Investment Management, LLC 173,746 27,481,000 0.55%
42 DIMENSIONAL FUND ADVISORS LP 164,974 26,093,000 0.52%
43 GEODE CAPITAL MANAGEMENT, LLC 160,970 25,460,000 0.51%
44 MASON STREET ADVISORS, LLC 153,333 24,253,000 0.49%
45 LORD, ABBETT & CO. LLC 148,299 23,456,000 0.47%
46 FRANKLIN RESOURCES INC 144,500 22,856,000 0.46%
47 Bank of New York Mellon Corp 135,213 21,386,000 0.43%
48 WESTFIELD CAPITAL MANAGEMENT CO LP 124,727 19,728,000 0.40%
49 CREDIT SUISSE AG/ 115,159 18,215,000 0.36%
50 RUSSELL FRANK CO/ 122,715 17,649,000 0.35%
Page 1 of 5

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.