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

Institutional Holders (2014Q4)
Portfolio Summary: 158 Institutional holders with a total value of $1,505,731,745.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PRIMECAP MANAGEMENT CO/CA/ 4,150,532 192,709,000 12.80%
2 VANGUARD GROUP INC 2,303,291 106,941,000 7.10%
3 BlackRock Fund Advisors 1,897,597 88,105,000 5.85%
4 CADIAN CAPITAL MANAGEMENT, LP 1,803,376 83,731,000 5.56%
5 LORD, ABBETT & CO. LLC 1,649,497 76,586,000 5.09%
6 Clearbridge Investments, LLC 1,284,893 59,658,000 3.96%
7 TimesSquare Capital Management, LLC 1,283,000 59,570,000 3.96%
8 COLUMBUS CIRCLE INVESTORS 1,136,432 52,765,000 3.50%
9 Pivot Point Capital Partners, LLC 1,057,975 49,122,000 3.26%
10 BlackRock Institutional Trust Company, N.A. 957,633 44,463,000 2.95%
11 BAMCO INC /NY/ 923,726 42,889,000 2.85%
12 NORGES BANK 656,298 30,472,000 2.02%
13 STATE STREET CORP 629,285 29,216,000 1.94%
14 RS INVESTMENT MANAGEMENT CO LLC 615,650 28,585,000 1.90%
15 Century Capital Management, LLC 581,639 27,005,000 1.79%
16 NORTHERN TRUST CORP 577,145 26,797,000 1.78%
17 HMI Capital Management, L.P. 539,624 25,055,000 1.66%
18 LOOMIS SAYLES & CO L P 486,183 22,573,000 1.50%
19 Bank of New York Mellon Corp 474,119 22,011,000 1.46%
20 CASTLEARK MANAGEMENT LLC 384,486 17,852,000 1.19%
21 HHR Asset Management, LLC 379,690 17,629,000 1.17%
22 RENAISSANCE TECHNOLOGIES LLC 358,200 16,631,000 1.10%
23 ZWJ INVESTMENT COUNSEL INC 349,408 16,223,000 1.08%
24 BLACKROCK ADVISORS LLC 325,007 15,090,000 1.00%
25 AMERIPRISE FINANCIAL INC 270,950 12,580,000 0.84%
26 SG Capital Management LLC 260,389 12,090,000 0.80%
27 Pier Capital, LLC 229,382 10,650,000 0.71%
28 TIAA CREF INVESTMENT MANAGEMENT LLC 223,910 10,396,000 0.69%
29 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 221,314 10,276,000 0.68%
30 Cupps Capital Management, LLC 214,355 9,952,000 0.66%
31 PRINCIPAL FINANCIAL GROUP INC 213,592 9,917,000 0.66%
32 RUSSELL FRANK CO/ 209,913 9,845,000 0.65%
33 Hood River Capital Management LLC 209,995 9,750,000 0.65%
34 GEODE CAPITAL MANAGEMENT, LLC 207,218 9,621,000 0.64%
35 Nichols Asset Management LLC 195,305 9,068,000 0.60%
36 FULLER & THALER ASSET MANAGEMENT, INC. 188,225 8,739,000 0.58%
37 DISCIPLINED GROWTH INVESTORS INC /MN 185,075 8,593,000 0.57%
38 KORNITZER CAPITAL MANAGEMENT INC /KS 168,400 7,819,000 0.52%
39 Invesco Ltd. 168,022 7,801,000 0.52%
40 DIMENSIONAL FUND ADVISORS LP 154,260 7,163,000 0.48%
41 DRIEHAUS CAPITAL MANAGEMENT LLC 144,305 6,700,000 0.44%
42 AMUNDI ASSET MANAGEMENT US, INC. 134,259 6,234,000 0.41%
43 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 125,233 5,815,000 0.39%
44 FMR LLC 124,841 5,796,000 0.38%
45 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 123,134 5,718,000 0.38%
46 Invicta Capital Management, LLC 120,000 5,572,000 0.37%
47 HighVista Strategies LLC 114,081 5,297,000 0.35%
48 BlackRock Investment Management, LLC 112,502 5,223,000 0.35%
49 G2 Investment Partners Management LLC 111,717 5,187,000 0.34%
50 PANAGORA ASSET MANAGEMENT INC 109,618 5,090,000 0.34%
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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.