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COMSCORE INC
COMSCORE INC. Institutional holdings reported to the SEC.

Institutional Holders (2014Q3)
Portfolio Summary: 136 Institutional holders with a total value of $1,161,277,876.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PRIMECAP MANAGEMENT CO/CA/ 4,210,532 153,305,000 13.20%
2 CADIAN CAPITAL MANAGEMENT, LP 3,271,393 119,111,000 10.26%
3 VANGUARD GROUP INC 2,171,953 79,081,000 6.81%
4 LORD, ABBETT & CO. LLC 1,801,468 65,591,000 5.65%
5 BlackRock Fund Advisors 1,712,536 62,353,000 5.37%
6 Clearbridge Investments, LLC 1,399,623 50,960,000 4.39%
7 TimesSquare Capital Management, LLC 1,294,800 47,144,000 4.06%
8 COLUMBUS CIRCLE INVESTORS 1,228,686 44,736,000 3.85%
9 Pivot Point Capital Partners, LLC 1,180,357 42,977,000 3.70%
10 BAMCO INC /NY/ 1,098,041 39,980,000 3.44%
11 BlackRock Institutional Trust Company, N.A. 962,147 35,032,000 3.02%
12 STATE STREET CORP 660,095 24,031,000 2.07%
13 HMI Capital Management, L.P. 553,224 22,143,000 1.91%
14 NORTHERN TRUST CORP 600,590 21,867,000 1.88%
15 Century Capital Management, LLC 582,892 21,223,000 1.83%
16 LOOMIS SAYLES & CO L P 509,798 18,562,000 1.60%
17 RS INVESTMENT MANAGEMENT CO LLC 501,900 18,274,000 1.57%
18 RENAISSANCE TECHNOLOGIES LLC 480,600 17,499,000 1.51%
19 Bank of New York Mellon Corp 472,593 17,208,000 1.48%
20 ZWJ INVESTMENT COUNSEL INC 346,819 12,628,000 1.09%
21 RUSSELL FRANK CO/ 310,574 11,307,000 0.97%
22 NORGES BANK 278,274 10,132,000 0.87%
23 TIAA CREF INVESTMENT MANAGEMENT LLC 229,460 8,355,000 0.72%
24 CASTLEARK MANAGEMENT LLC 244,725 8,025,000 0.69%
25 PRINCIPAL FINANCIAL GROUP INC 213,096 7,759,000 0.67%
26 KORNITZER CAPITAL MANAGEMENT INC /KS 205,400 7,479,000 0.64%
27 MORGAN STANLEY 204,666 7,451,000 0.64%
28 DISCIPLINED GROWTH INVESTORS INC /MN 200,525 7,301,000 0.63%
29 GEODE CAPITAL MANAGEMENT, LLC 189,634 6,904,000 0.59%
30 FULLER & THALER ASSET MANAGEMENT, INC. 188,825 6,875,000 0.59%
31 Nichols Asset Management LLC 181,034 6,591,000 0.57%
32 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 174,949 6,370,000 0.55%
33 DRIEHAUS CAPITAL MANAGEMENT LLC 159,465 5,806,000 0.50%
34 DIMENSIONAL FUND ADVISORS LP 154,260 5,617,000 0.48%
35 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 151,931 5,532,000 0.48%
36 AMERIPRISE FINANCIAL INC 150,472 5,479,000 0.47%
37 J. Goldman & Co LP 138,500 5,043,000 0.43%
38 FMR LLC 138,441 5,041,000 0.43%
39 Invesco Ltd. 135,196 4,922,000 0.42%
40 AQR CAPITAL MANAGEMENT LLC 127,700 4,650,000 0.40%
41 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 118,474 4,314,000 0.37%
42 BlackRock Investment Management, LLC 113,230 4,123,000 0.36%
43 PANAGORA ASSET MANAGEMENT INC 112,122 4,082,000 0.35%
44 AMERICAN CENTURY COMPANIES INC 108,419 3,948,000 0.34%
45 AMUNDI ASSET MANAGEMENT US, INC. 105,630 3,846,000 0.33%
46 HIGHLINE CAPITAL MANAGEMENT, L.P. 103,400 3,765,000 0.32%
47 ROYAL BANK OF CANADA 96,501 3,514,000 0.30%
48 G2 Investment Partners Management LLC 93,859 3,417,000 0.29%
49 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 93,820 3,416,000 0.29%
50 Pier Capital, LLC 87,288 3,178,000 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.