ARCA biopharma Inc: Ownership

Ownership Information
Shares Outstanding 8.00 Mil
Institutional Ownership (%)13.72
Top 10 Institutions (%)13.50
Mutual Fund Ownership (%).16
5%/Insider Ownership (%).00
Float (%).00
Ownership Activity
Description# of HoldersShares
Total Positions 251,097,897
New Positions70
Soldout Positions310
Net Position Change-2424,828
Buyers11326,954
Sellers35-302,126
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
First Eagle Investment Management LLC 572,321 219,868 62.4 892,443 7.5 0.0 09-30-09
Renaissance Technologies Corp. 163,491 -56,800 -25.8 -127,808 2.1 0.0 09-30-09
BlackRock Institutional Trust Company, N.A. 139,372 51,490 58.6 210,761 1.8 0.0 09-30-09
Columbia Management Advisors, LLC 49,543 165 0.3 16,877 0.7 0.0 09-30-09
Dimensional Fund Advisors, LP 39,218 3,350 9.3 23,662 0.5 0.0 09-30-09
Vanguard Group, Inc. 37,076 37,076 100.0 130,878 0.5 0.0 09-30-09
Bridgeway Capital Management, Inc. 32,900 0 0.0 10,857 0.4 0.0 09-30-09
T. Rowe Price Associates, Inc. 27,965 -8,077 -22.4 -16,618 0.4 0.0 09-30-09
UBS Securities LLC 10,744 -9,800 -47.7 -27,815 0.1 0.0 09-30-09
BlackRock Advisors (UK) Limited 7,249 7,249 100.0 25,589 0.1 0.0 09-30-09
Deutsche Asset Management Americas 6,251 6,251 100.0 22,066 0.1 0.0 09-30-09
California Public Employees' Retirement System 5,575 0 0.0 1,840 0.1 0.0 09-30-09
Public Employees' Retirement Association of CO 2,575 0 0.0 850 0.0 0.0 09-30-09
Credit Suisse Asset Management, LLC (US) 1,000 1,000 100.0 3,530 0.0 0.0 09-30-09
RBC Capital Markets Wealth Management 971 0 0.0 321 0.0 0.0 09-30-09
*Category Headings:
Shs Held - shares held at report date
Shs Chg - position change within reporting period
%Chg - % change
$Chg - market value of the position change
%Out - % of shares outstanding
%Port - % Portfolio
Rpt Date - report date
Page generated 2/9/2010 10:57 PM Eastern Time