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Corp Executive Board Co
Corp Executive Board Co. Institutional holdings reported to the SEC.

Institutional Holders (2014Q1)
Portfolio Summary: 184 Institutional holders with a total value of $2,481,156,710.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 TimesSquare Capital Management, LLC 2,328,044 172,811,000 6.96%
2 MORGAN STANLEY 2,298,795 170,639,000 6.88%
3 VANGUARD GROUP INC 2,064,863 153,275,000 6.18%
4 KORNITZER CAPITAL MANAGEMENT INC /KS 1,726,601 128,166,000 5.17%
5 BlackRock Fund Advisors 1,508,317 111,962,000 4.51%
6 PRICE T ROWE ASSOCIATES INC /MD/ 1,279,795 94,999,000 3.83%
7 Bares Capital Management, Inc. 1,214,419 90,146,000 3.63%
8 STATE STREET CORP 1,189,248 88,281,000 3.56%
9 JANUS HENDERSON INVESTORS US LLC 1,062,129 78,842,000 3.18%
10 BlackRock Institutional Trust Company, N.A. 1,035,556 76,869,000 3.10%
11 Bank of New York Mellon Corp 1,009,867 74,960,000 3.02%
12 Burgundy Asset Management Ltd. 922,048 68,444,000 2.76%
13 BLAIR WILLIAM & CO/IL 892,256 66,231,000 2.67%
14 DISCIPLINED GROWTH INVESTORS INC /MN 876,436 65,058,000 2.62%
15 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 767,290 56,956,000 2.30%
16 JENNISON ASSOCIATES LLC 677,179 50,267,000 2.03%
17 WELLS FARGO & COMPANY/MN 659,214 48,933,000 1.97%
18 GW&K Investment Management, LLC 657,976 48,842,000 1.97%
19 NORTHERN TRUST CORP 629,779 46,749,000 1.88%
20 TAMRO Capital Partners LLC 550,169 40,839,000 1.65%
21 WESTFIELD CAPITAL MANAGEMENT CO LP 549,178 40,765,000 1.64%
22 BROWN ADVISORY INC 497,133 36,902,000 1.49%
23 LOOMIS SAYLES & CO L P 457,436 33,955,000 1.37%
24 ArrowMark Colorado Holdings LLC 450,207 33,419,000 1.35%
25 Stephens Investment Management Group LLC 449,679 33,380,000 1.35%
26 DIMENSIONAL FUND ADVISORS LP 447,890 33,246,000 1.34%
27 WASATCH ADVISORS LP 444,012 32,959,000 1.33%
28 ROYCE & ASSOCIATES LP 331,600 24,615,000 0.99%
29 NORGES BANK 304,834 22,628,000 0.91%
30 VOYA INVESTMENT MANAGEMENT LLC 263,358 19,549,000 0.79%
31 GUGGENHEIM CAPITAL LLC 254,235 18,871,000 0.76%
32 Polar Asset Management Partners Inc. 240,049 17,819,000 0.72%
33 KALMAR INVESTMENTS INC /DE/ 225,437 16,734,000 0.67%
34 STIFEL FINANCIAL CORP 224,115 16,636,000 0.67%
35 PRINCIPAL FINANCIAL GROUP INC 220,738 16,385,000 0.66%
36 WCM INVESTMENT MANAGEMENT, LLC 184,845 13,721,000 0.55%
37 TIAA CREF INVESTMENT MANAGEMENT LLC 179,964 13,359,000 0.54%
38 GEODE CAPITAL MANAGEMENT, LLC 174,956 12,986,000 0.52%
39 BlackRock Investment Management, LLC 173,565 12,884,000 0.52%
40 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 165,600 12,292,000 0.50%
41 Century Capital Management, LLC 162,048 12,029,000 0.48%
42 AMERIPRISE FINANCIAL INC 139,824 10,379,000 0.42%
43 MILLENNIUM MANAGEMENT LLC 132,009 9,799,000 0.39%
44 ATLANTA CAPITAL MANAGEMENT CO L L C 126,388 9,382,000 0.38%
45 FMR LLC 123,000 9,130,000 0.37%
46 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 105,095 7,802,000 0.31%
47 NEW YORK STATE COMMON RETIREMENT FUND 97,950 7,271,000 0.29%
48 CREDIT SUISSE AG/ 94,114 6,985,000 0.28%
49 DEUTSCHE BANK AG\ 93,356 6,928,000 0.28%
50 AMERICAN INTERNATIONAL GROUP, INC. 91,078 6,760,720 0.27%
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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.