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

Institutional Holders (2015Q4)
Portfolio Summary: 180 Institutional holders with a total value of $1,458,737,412.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PRIMECAP MANAGEMENT CO/CA/ 3,869,832 159,244,000 10.92%
2 VANGUARD GROUP INC 2,531,585 104,175,000 7.14%
3 BlackRock Fund Advisors 2,091,343 86,059,000 5.90%
4 RS INVESTMENT MANAGEMENT CO LLC 1,794,041 73,825,000 5.06%
5 WELLINGTON MANAGEMENT GROUP LLP 1,265,978 52,095,000 3.57%
6 Clearbridge Investments, LLC 1,169,165 48,111,000 3.30%
7 Pivot Point Capital Partners, LLC 1,009,950 41,560,000 2.85%
8 NEXT CENTURY GROWTH INVESTORS LLC 1,006,328 41,410,000 2.84%
9 TimesSquare Capital Management, LLC 945,570 38,910,000 2.67%
10 KALMAR INVESTMENTS INC /DE/ 900,219 37,044,000 2.54%
11 BlackRock Institutional Trust Company, N.A. 825,271 33,960,000 2.33%
12 KORNITZER CAPITAL MANAGEMENT INC /KS 784,439 32,280,000 2.21%
13 HHR Asset Management, LLC 722,840 29,745,000 2.04%
14 LORD, ABBETT & CO. LLC 722,241 29,720,000 2.04%
15 SG Capital Management LLC 687,278 28,281,000 1.94%
16 STATE STREET CORP 653,532 26,896,000 1.84%
17 NORTHERN TRUST CORP 634,779 26,122,000 1.79%
18 NORGES BANK 618,738 25,461,000 1.75%
19 TREMBLANT CAPITAL GROUP 594,852 24,478,000 1.68%
20 BAMCO INC /NY/ 511,000 21,028,000 1.44%
21 Hood River Capital Management LLC 476,195 19,595,000 1.34%
22 RUSSELL FRANK CO/ 443,674 18,638,000 1.28%
23 FIDUCIARY MANAGEMENT ASSOCIATES LLC 441,423 18,164,000 1.25%
24 LOOMIS SAYLES & CO L P 412,584 16,978,000 1.16%
25 Bank of New York Mellon Corp 388,184 15,973,000 1.09%
26 FRED ALGER MANAGEMENT, LLC 337,679 13,895,000 0.95%
27 PRICE T ROWE ASSOCIATES INC /MD/ 324,990 13,373,000 0.92%
28 RENAISSANCE TECHNOLOGIES LLC 323,600 13,316,000 0.91%
29 BLACKROCK ADVISORS LLC 318,813 13,119,000 0.90%
30 TEACHERS ADVISORS, LLC 317,002 13,045,000 0.89%
31 Artisan Partners Limited Partnership 298,692 12,291,000 0.84%
32 Apex Capital Management 253,974 10,451,000 0.72%
33 TIAA CREF INVESTMENT MANAGEMENT LLC 251,699 10,357,000 0.71%
34 Polar Capital LLP 251,217 10,336,000 0.71%
35 State of New Jersey Common Pension Fund D 250,000 10,288,000 0.71%
36 Century Capital Management, LLC 242,089 9,962,000 0.68%
37 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 241,100 9,921,000 0.68%
38 GEODE CAPITAL MANAGEMENT, LLC 219,714 9,041,000 0.62%
39 AMERIPRISE FINANCIAL INC 217,392 8,946,000 0.61%
40 TWO SIGMA INVESTMENTS, LP 213,738 8,795,000 0.60%
41 PRINCIPAL FINANCIAL GROUP INC 212,808 8,757,000 0.60%
42 ZWJ INVESTMENT COUNSEL INC 203,185 8,361,000 0.57%
43 DISCIPLINED GROWTH INVESTORS INC /MN 191,875 7,896,000 0.54%
44 Nichols Asset Management LLC 190,968 7,858,000 0.54%
45 Invesco Ltd. 158,103 6,506,000 0.45%
46 OMERS ADMINISTRATION Corp 154,400 6,354,000 0.44%
47 COLUMBUS CIRCLE INVESTORS 152,392 6,271,000 0.43%
48 BANK OF AMERICA CORP /DE/ 151,906 6,251,000 0.43%
49 D. E. Shaw & Co., Inc. 147,476 6,069,000 0.42%
50 EDGE ASSET MANAGEMENT, INC 147,110 6,054,000 0.42%
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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.