ViroPharma Inc: Ownership

Ownership Information
Shares Outstanding 77.00 Mil
Institutional Ownership (%)82.53
Top 10 Institutions (%)47.50
Mutual Fund Ownership (%)1.34
5%/Insider Ownership (%).93
Float (%)99.08
Ownership Activity
Description# of HoldersShares
Total Positions 17363,549,668
New Positions240
Soldout Positions990
Net Position Change-92-8,068,064
Buyers7816,676,801
Sellers170-24,744,864
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Baker Brothers Advisors, L.L.C. 9,405,977 0 0.0 34,708,056 12.1 7.1 09-30-09
Fidelity Management & Research 8,240,000 4,817,000 140.7 58,970,408 10.6 0.0 09-30-09
Palo Alto Investors, LLC 4,317,511 11,205 0.3 15,998,061 5.6 5.1 09-30-09
Vanguard Group, Inc. 3,381,317 9,249 0.3 12,531,907 4.4 0.0 09-30-09
State Street Global Advisors (US) 2,412,261 377,543 18.6 11,140,073 3.1 0.0 09-30-09
Dimensional Fund Advisors, LP 2,387,968 603,854 33.8 12,392,456 3.1 0.0 09-30-09
Sigma Capital Management, L.L.C. 2,010,600 2,010,600 100.0 19,341,972 2.6 1.8 09-30-09
Millennium Management, L.L.C. 1,622,936 1,575,477 3,319.7 15,331,212 2.1 0.2 09-30-09
Wellington Management Company, LLP 1,507,239 69,300 4.8 5,972,661 1.9 0.0 09-30-09
Royce & Associates, LLC 1,265,100 -150,000 -10.6 -2,999,073 1.6 0.0 12-31-09
Disciplined Growth Investors, Inc 1,101,735 -166,250 -13.1 3,079,540 1.4 0.9 09-30-09
Northern Trust Investments, N.A. 1,081,769 484,906 81.2 6,867,220 1.4 0.0 09-30-09
Credit Suisse Securities (USA) LLC 1,054,701 -112,537 -9.6 3,224,503 1.4 0.0 09-30-09
Putnam Investment Management, L.L.C. 1,010,490 1,010,490 100.0 9,720,914 1.3 0.0 09-30-09
Mellon Capital Management Corporation 915,487 -37,091 -3.9 -1,482,864 1.2 0.0 12-31-09
*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 2/10/2010 10:04 AM Eastern Time