Name:	comScore Inc.
Industries:	Business Services and Supplies
Revenue:	$87.15M ¹
Profit:	$19.32M ¹
Employees:	581
Headquarters:	11950 DEMOCRACY ROAD SUITE 600 RESTON, Virginia 20190 United States Of America
Website:
www.comscore.com

Lists:

#27	Worst Performers In B2B

¹ TTM figures for 31-Dec-2009

Institutional Owners of comScore Inc.

Current Overview | Past Quarters

Breakdown of Ownership of SCOR

by % of Total Shares Outstanding (% TSO)

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	Institutional Owners (52.7%)
	Other Owners (47.3%)

Note: % Total Shares Outstanding is based on the most recent 13F filing made by the instituational investor, as well as the most recent TSO figure for the indicated security.

loading ownership

Name	% TSO	Shares	Shares change	Market value	Value change	% Change	Other holdings	Report Date
BLACKROCK ADVISORS LLC	3.63%	1,123,711	-159,812	$14,832,985	-$2,109,518	-14.22%	XOM \| MSFT \| GLD \| T \| CVX \| more »	2009-12-31
BLACKROCK FUND ADVISORS	3.12%	963,506		$12,718,279			XOM \| MSFT \| JNJ \| CVX \| T \| more »	2009-12-31
The Vanguard Group, Inc.	2.93%	906,811	29,009	$11,969,905	$382,919	3.20%	BRK'B \| XOM \| MSFT \| JNJ \| PG \| more »	2009-12-31
Morgan Stanley	2.88%	891,516	870,859	$11,768,011	$11,495,339	97.68%	BRK'B \| JPM \| BAC \| XOM \| AAPL \| more »	2009-12-31
CHAMPLAIN INVESTMENT PARTNERS, LLC	2.87%	886,650	59,578	$11,703,780	$786,430	6.72%	WCN \| ATR \| ACV \| IEX \| CHTT \| more »	2009-12-31
SCHRODER INVESTMENT MANAGEMENT GROUP	2.29%	708,400	-266,800	$9,350,880	-$3,521,760	-37.66%	PBR'A \| PBR \| TEVA \| BBD \| AMX \| more »	2009-12-31
ASHFORD CAPITAL MANAGEMENT INC	1.97%	610,300	-19,300	$8,055,960	-$254,760	-3.16%	BRK'B \| EBIX \| TMRK \| EPIQ \| BCPC \| more »	2009-12-31
TURNER INVESTMENT PARTNERS INC	1.85%	571,659	-7,070	$7,545,899	-$93,324	-1.24%	AAPL \| QCOM \| CSCO \| PEP \| GOOG \| more »	2009-12-31
RS INVESTMENT MANAGEMENT CO LLC	1.78%	551,625	-27,667	$7,281,450	-$365,204	-5.02%	CECO \| CMVT \| SGMS \| SWN \| DNR \| more »	2009-12-31
BLACKROCK GROUP LTD	1.68%	520,801	178,951	$6,874,573	$2,362,153	34.36%	BRK'B \| XOM \| MSFT \| CVX \| T \| more »	2009-12-31
BARCLAYS GLOBAL INVESTORS UK HOLDINGS LTD	1.61%	499,141	-732,915	$6,588,661	-$9,674,478	-146.84%	XOM \| MSFT \| PG \| T \| JNJ \| more »	2009-12-31
WEATHERBIE M A & CO INC/MA	1.51%	465,606	-14,668	$6,145,999	-$193,618	-3.15%	WOOF \| STN \| LKQX \| IHS \| PLCM \| more »	2009-12-31
Henderson Group Plc	1.43%	443,706	220,796	$5,856,919	$2,914,507	49.76%	BRK'A \| CSCO \| AAPL \| MSFT \| GOOG \| more »	2009-12-31
State Street Corporation	1.41%	435,029	23,544	$5,742,383	$310,781	5.41%	BRK'B \| XOM \| JNJ \| IBM \| MSFT \| more »	2009-12-31
The Bank of New York Mellon Corporation	1.34%	413,549	247,549	$5,458,847	$3,267,647	59.86%	XOM \| K \| MSFT \| BRK'B \| JNJ \| more »	2009-12-31
MANNING & NAPIER ADVISORS INC	1.30%	402,500	-39,000	$5,313,000	-$514,800	-9.69%	NOK \| UL \| ERTS \| CSCO \| DIS \| more »	2009-12-31
DWS Intermediate Tax/AMT Free A	1.30%	402,500	-39,000	$5,313,000	-$514,800	-9.69%	NOK \| UL \| ERTS \| CSCO \| DIS \| more »	2009-12-31
CLEARBRIDGE ADVISORS, LLC	1.27%	393,248	393,028	$5,190,874	$5,187,970	99.94%	BRK'B \| WFT \| BIIB \| JNJ \| APC \| more »	2009-12-31
CHINOOK CAPITAL MANAGEMENT	1.24%	384,072	113,401	$5,069,750	$1,496,893	29.53%	EHTH \| BA \| ARO \| PFWD \| EGOV \| more »	2009-12-31
FORT WASHINGTON INVESTMENT ADVISORS INC /OH/	1.19%	369,031	95,522	$4,871,209	$1,260,890	25.88%	USB \| CVG \| CINF \| RDS'B \| KFT \| more »	2009-12-31
COPPER ROCK CAPITAL PARTNERS, LLC	1.16%	359,368	-113,897	$4,743,658	-$1,503,440	-31.69%	PLCM \| MXB \| TDG \| GMCR \| TRAK \| more »	2009-12-31
Northern Trust Corporation	1.06%	328,506	-5,377	$4,336,279	-$70,976	-1.64%	XOM \| MSFT \| PG \| JNJ \| IBM \| more »	2009-12-31
DIMENSIONAL FUND ADVISORS LP	0.95%	293,599	55,283	$3,875,507	$729,736	18.83%	JPM \| T \| BAC \| GE \| COP \| more »	2009-12-31
SPARTA ASSET MANAGEMENT, LLC	0.93%	288,477	288,477	$3,807,896	$3,807,896	100.00%	TSRA \| MMSI \| JJSF \| VIVO \| ASEI \| more »	2009-12-31
Wells Fargo	0.84%	259,904	-147,069	$3,430,733	-$1,941,311	-56.59%	BRK'B \| XOM \| MSFT \| AAPL \| IBM \| more »	2009-12-31
CONESTOGA CAPITAL ADVISORS, LLC	0.83%	256,595	57,026	$3,387,054	$752,743	22.22%	CSGP \| AVAV \| SMTS \| NVEC \| QSII \| more »	2009-12-31
Bank of America	0.79%	245,825	-9,565	$3,244,890	-$126,258	-3.89%	BRK'B \| XOM \| PM \| JPM \| IBM \| more »	2009-12-31
FRONTIER CAPITAL MANAGEMENT CO LLC	0.76%	235,278	-17,167	$3,105,670	-$226,604	-7.30%	PLL \| SWKS \| CHS \| RJF \| EQIX \| more »	2009-12-31
LLOYDS TSB BANK PLC	0.38%	118,850	118,850	$1,568,820	$1,568,820	100.00%	BRK'A \| XOM \| JNJ \| MSFT \| PFE \| more »	2009-12-31
TIAA CREF INVESTMENT MANAGEMENT LLC	0.38%	117,183	-8,137	$1,546,816	-$107,408	-6.94%	BRK'A \| XOM \| MSFT \| JNJ \| AAPL \| more »	2009-12-31
Goldman Sachs Group, Inc.	0.34%	105,099	19,988	$1,387,307	$263,842	19.02%	BRK'B \| MSFT \| JNJ \| XOM \| ORCL \| more »	2009-12-31
Principal Financial Group, Inc.	0.29%	88,480	1,425	$1,167,936	$18,810	1.61%	BRK'A \| XOM \| MSFT \| T \| PG \| more »	2009-12-31
BLACKROCK INVESTMENT MANAGEMENT, LLC	0.28%	86,004	-10,193	$1,135,253	-$134,548	-11.85%	XOM \| MSFT \| CVX \| T \| JPM \| more »	2009-12-31
STRS OHIO	0.27%	82,563	3,500	$1,089,832	$46,200	4.24%	XOM \| MSFT \| JNJ \| IBM \| PG \| more »	2009-12-31
SUFFOLK CAPITAL MANAGEMENT LLC	0.24%	75,000	5,000	$990,000	$66,000	6.67%	XOM \| PFE \| QCOM \| CVX \| IBM \| more »	2009-12-31
PUBLIC SECTOR PENSION INVESTMENT BOARD	0.23%	71,200	49,000	$939,840	$646,800	68.82%	BRK'A \| RY \| TD \| BNS \| ECA \| more »	2009-12-31
GEODE CAPITAL MANAGEMENT LLC	0.21%	64,746	5,603	$854,647	$73,960	8.65%	XOM \| MSFT \| JNJ \| PG \| T \| more »	2009-12-31
BLAIR WILLIAM & CO/IL	0.21%	64,030	15,600	$845,196	$205,920	24.36%	BRK'B \| TEVA \| FAST \| MSFT \| QCOM \| more »	2009-12-31
BlackRock, Inc.	0.19%	58,369	-87,909	$770,471	-$1,160,399	-150.61%	RY \| TD \| ABX \| ECA \| BNS \| more »	2009-12-31
NORTHERN TRUST CO OF CONNECTICUT	0.18%	56,660	-16,184	$747,912	-$213,629	-28.56%	JPM \| AAPL \| GOOG \| UNP \| MSFT \| more »	2009-12-31
MORGAN STANLEY INVESTMENT MGMT	0.18%	55,300	-904,458	$729,960	-$11,938,845	-1,635.55%	BRK'B \| PBR'A \| AMX \| SPG \| BBD \| more »	2009-12-31
PUTNAM INVESTMENT MANAGEMENT LLC	0.17%	51,340	-22,400	$677,688	-$295,680	-43.63%	BRK'A \| BRK'B \| PFE \| CVX \| STT \| more »	2009-12-31
MUTUAL OF AMERICA CAPITAL MANAGEMENT CORP	0.15%	47,927	-1,553	$632,636	-$20,500	-3.24%	BRK'A \| XOM \| MSFT \| JNJ \| PG \| more »	2009-12-31
AXA INVESTMENT MANAGERS	0.15%	47,839		$631,475			GS \| JPM \| T \| PFE \| MRK \| more »	2009-12-31
NEW YORK STATE COMMON RETIREMENT FUND	0.15%	47,200	10,900	$623,040	$143,880	23.09%	XOM \| MSFT \| JNJ \| T \| PG \| more »	2009-12-31
Prudential Financial, Inc.	0.15%	45,596	-450	$601,867	-$5,940	-0.99%	XOM \| MSFT \| T \| CVX \| JNJ \| more »	2009-12-31
NATIONWIDE FUND ADVISORS	0.14%	42,392	8,913	$559,574	$117,652	21.03%	BRK'B \| XOM \| JNJ \| MSFT \| JPM \| more »	2009-12-31
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS	0.14%	42,265	-2,480	$557,898	-$32,736	-5.87%	BRK'A \| XOM \| MSFT \| CVX \| JNJ \| more »	2009-12-31
TEXAS PERMANENT SCHOOL FUND	0.13%	38,677	-46	$510,536	-$607	-0.12%	BRK'A \| XOM \| MSFT \| JNJ \| PG \| more »	2009-12-31
RHUMBLINE ADVISERS	0.12%	37,822	4,800	$499,250	$63,360	12.69%	XOM \| MSFT \| PG \| JNJ \| T \| more »	2009-12-31

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Note: Market value of investments calculated using close of business price as of 2009-12-31.

What do these items mean?