Westlake Chemical Corp: Ownership

Ownership Information
Shares Outstanding 66.00 Mil
Institutional Ownership (%)27.09
Top 10 Institutions (%)21.80
Mutual Fund Ownership (%).27
5%/Insider Ownership (%)71.05
Float (%)28.95
Ownership Activity
Description# of HoldersShares
Total Positions 9217,880,816
New Positions150
Soldout Positions380
Net Position Change-21-649,997
Buyers472,287,921
Sellers68-2,937,918
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Franklin Advisory Services, LLC 4,187,221 13,800 0.3 22,515,526 6.3 1.4 09-30-09
Dimensional Fund Advisors, LP 3,893,058 5,296 0.1 20,780,124 5.9 0.2 09-30-09
Third Avenue Management LLC 1,898,133 -977,586 -34.0 -9,853,892 2.9 1.0 09-30-09
BlackRock Institutional Trust Company, N.A. 870,379 176,512 25.4 8,220,792 1.3 0.0 09-30-09
Vanguard Group, Inc. 760,870 27,575 3.8 4,602,474 1.2 0.0 09-30-09
Fidelity Management & Research 718,800 718,800 100.0 18,473,160 1.1 0.0 09-30-09
Brandywine Global Investment Management, LLC 588,720 -33,800 -5.4 2,436,921 0.9 0.2 09-30-09
Shufro, Rose & Co., LLC 562,770 -139,060 -19.8 152,875 0.9 2.4 09-30-09
Aurelius Capital Management, LP 517,000 517,000 100.0 13,286,900 0.8 2.9 09-30-09
State Street Global Advisors (US) 393,251 104,053 36.0 4,209,804 0.6 0.0 09-30-09
National Rural Electric Cooperative Association 283,100 0 0.0 1,503,261 0.4 0.3 09-30-09
Northern Trust Investments, N.A. 277,105 142,222 105.4 4,371,335 0.4 0.0 09-30-09
Chicago Equity Partners, LLC 231,940 -18,210 -7.3 860,300 0.4 0.1 09-30-09
Symphony Asset Management LLC 230,741 885 0.4 1,243,280 0.4 0.5 09-30-09
Goldman Sachs Asset Management (US) 194,818 -350,116 -64.2 -6,104,381 0.3 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 2/10/2010 6:50 AM Eastern Time