MEMC Electronic Materials Inc: Ownership

Ownership Information
Shares Outstanding 224.00 Mil
Institutional Ownership (%)84.96
Top 10 Institutions (%)41.70
Mutual Fund Ownership (%)5.93
5%/Insider Ownership (%).90
Float (%)99.10
Ownership Activity
Description# of HoldersShares
Total Positions 397190,316,064
New Positions580
Soldout Positions2820
Net Position Change-230-33,162,828
Buyers20325,644,416
Sellers433-58,807,244
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Fidelity Management & Research 33,371,640 280,584 0.8 -34,381,336 14.9 0.1 09-30-09
Vanguard Group, Inc. 10,298,313 188,407 1.9 -8,796,481 4.6 0.0 09-30-09
BlackRock Institutional Trust Company, N.A. 8,329,163 -793,985 -8.7 -23,969,284 3.7 0.0 09-30-09
D. E. Shaw & Co., L.P. 7,300,723 2,633,645 56.4 38,290,364 3.3 0.4 09-30-09
State Street Global Advisors (US) 7,290,786 382,604 5.5 -1,788,950 3.3 0.0 09-30-09
T. Rowe Price Associates, Inc. 6,443,130 14,170 0.2 -7,350,526 2.9 0.1 09-30-09
Artisan Partners Limited Partnership 5,630,700 561,200 11.1 3,350,746 2.5 0.4 09-30-09
BNP Paribas Asset Management S.A.S. 5,474,287 1,198,780 28.0 14,890,613 2.4 1.1 09-30-09
Epoch Investment Partners, Inc. 5,103,364 1,709,728 50.4 24,428,286 2.3 1.1 09-30-09
Gardner Lewis Asset Management, L.P. 4,072,593 60,443 1.5 -3,729,170 1.8 1.7 09-30-09
OppenheimerFunds, Inc. 3,925,510 -351,247 -8.2 -10,887,811 1.8 0.1 09-30-09
I. G. Investment Management, Ltd. 3,437,100 49,400 1.5 -3,175,964 1.5 0.3 09-30-09
Wellington Management Company, LLP 3,320,500 758,711 29.6 9,594,453 1.5 0.0 09-30-09
MFS Investment Management 3,297,650 76,860 2.4 -2,522,350 1.5 0.1 09-30-09
Calamos Advisors LLC 3,235,714 -16,478 -0.5 -4,111,616 1.4 0.3 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 2:29 AM Eastern Time