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

Institutional Holders (2015Q1)
Portfolio Summary: 177 Institutional holders with a total value of $1,666,465,870.
#
Manager Name
Shares
Value ($)
%
Options
Notes
101 PDT Partners, LLC 55,550 2,844,000 0.17%
102 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 56,400 2,888,000 0.17%
103 ALLIANCEBERNSTEIN L.P. 58,889 3,015,000 0.18%
104 SUSQUEHANNA INTERNATIONAL GROUP, LLP 61,992 3,174,000 0.19%
105 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 63,474 3,250,000 0.20%
106 PUBLIC SECTOR PENSION INVESTMENT BOARD 64,440 3,299,000 0.20%
107 CREDIT SUISSE AG/ 67,135 3,438,000 0.21%
108 Nicholas Investment Partners, LP 72,746 3,725,000 0.22%
109 ROYAL BANK OF CANADA 76,373 3,910,000 0.23%
110 Invicta Capital Management, LLC 77,200 3,953,000 0.24%
111 PRUDENTIAL FINANCIAL INC 78,896 4,039,000 0.24%
112 OppenheimerFunds, Inc. 82,390 4,218,000 0.25%
113 NEW YORK STATE COMMON RETIREMENT FUND 84,473 4,325,000 0.26%
114 OBERWEIS ASSET MANAGEMENT INC/ 84,860 4,345,000 0.26%
115 WILLIAMS JONES & ASSOCIATES LLC 85,000 4,352,000 0.26%
116 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 88,520 4,532,000 0.27%
117 A.R.T. Advisors, LLC 90,088 4,612,000 0.28%
118 HighVista Strategies LLC 90,204 4,618,000 0.28%
119 PARAMETRIC PORTFOLIO ASSOCIATES LLC 91,033 4,661,000 0.28%
120 INSIGHT CAPITAL RESEARCH & MANAGEMENT INC 98,493 5,043,000 0.30%
121 G2 Investment Partners Management LLC 104,834 5,368,000 0.32%
122 BlackRock Group LTD 110,617 5,665,000 0.34%
123 TWO SIGMA INVESTMENTS, LP 110,926 5,679,000 0.34%
124 BlackRock Investment Management, LLC 114,539 5,864,000 0.35%
125 CITADEL ADVISORS LLC 116,241 5,952,000 0.36%
126 AMERICAN CENTURY COMPANIES INC 120,652 6,177,000 0.37%
127 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 121,740 6,233,000 0.37%
128 DRIEHAUS CAPITAL MANAGEMENT LLC 125,049 6,403,000 0.38%
129 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 127,587 6,533,000 0.39%
130 BLAIR WILLIAM & CO/IL 127,623 6,534,000 0.39%
131 DEUTSCHE BANK AG\ 129,119 6,608,000 0.40%
132 RUSSELL FRANK CO/ 129,229 6,616,000 0.40%
133 AMUNDI ASSET MANAGEMENT US, INC. 133,509 6,836,000 0.41%
134 J. Goldman & Co LP 135,500 6,938,000 0.42%
135 Invesco Ltd. 140,045 7,170,000 0.43%
136 DIMENSIONAL FUND ADVISORS LP 153,453 7,857,000 0.47%
137 D. E. Shaw & Co., Inc. 158,762 8,129,000 0.49%
138 FULLER & THALER ASSET MANAGEMENT, INC. 187,925 9,622,000 0.58%
139 DISCIPLINED GROWTH INVESTORS INC /MN 191,050 9,782,000 0.59%
140 FMR LLC 204,991 10,496,000 0.63%
141 Nichols Asset Management LLC 207,873 10,643,000 0.64%
142 Pier Capital, LLC 211,177 10,812,000 0.65%
143 GEODE CAPITAL MANAGEMENT, LLC 211,594 10,833,000 0.65%
144 TEACHERS ADVISORS, LLC 215,189 11,018,000 0.66%
145 Cupps Capital Management, LLC 217,210 11,121,000 0.67%
146 PRINCIPAL FINANCIAL GROUP INC 217,427 11,132,000 0.67%
147 PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 221,314 11,331,000 0.68%
148 MILLENNIUM MANAGEMENT LLC 252,056 12,905,000 0.77%
149 PRICE T ROWE ASSOCIATES INC /MD/ 252,200 12,913,000 0.77%
150 ZWJ INVESTMENT COUNSEL INC 302,339 15,479,000 0.93%
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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.