Ameren Corp: Ownership

Ownership Information
Shares Outstanding 237.00 Mil
Institutional Ownership (%)52.75
Top 10 Institutions (%)29.90
Mutual Fund Ownership (%)1.16
5%/Insider Ownership (%).99
Float (%)99.01
Ownership Activity
Description# of HoldersShares
Total Positions 332125,011,528
New Positions260
Soldout Positions1440
Net Position Change-87-198,149
Buyers16616,309,915
Sellers253-16,508,064
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Franklin Advisers, Inc. 16,160,000 1,100,000 7.3 33,681,400 6.8 1.3 09-30-09
Capital Research Global Investors 13,382,800 0 0.0 22,750,760 5.6 0.2 06-30-09
State Street Global Advisors (US) 7,624,171 -356,065 -4.5 4,703,943 3.2 0.1 06-30-09
Vanguard Group, Inc. 7,119,438 147,550 2.1 15,524,729 3.0 0.0 06-30-09
Barclays Global Investors, N.A. 7,118,904 246,707 3.6 17,823,272 3.0 0.0 06-30-09
NFJ Investment Group LLC 6,065,100 631,300 11.6 18,078,446 2.6 0.8 09-30-09
Oppenheimer Capital L.L.C. 4,026,949 -128,809 -3.1 -1,635,546 1.7 0.7 09-30-09
Numeric Investors LLC 3,311,758 12,800 0.4 1,610,177 1.4 1.1 09-30-09
Tradewinds Global Investors, LLC 3,292,632 1,059,976 47.5 30,178,316 1.4 0.6 06-30-09
AXA Rosenberg Investment Management LLC 2,650,370 2,602,770 5,468.0 64,863,864 1.1 0.3 06-30-09
The Boston Company Asset Management, LLC 2,308,402 2,198,597 2,002.3 55,623,356 1.0 0.2 09-30-09
T. Rowe Price Associates, Inc. 2,151,127 639,475 42.3 18,486,340 0.9 0.0 06-30-09
Nordea Investment Management (Denmark) 1,919,919 263,426 15.9 7,305,441 0.8 0.8 09-30-09
Northern Trust Investments, N.A. 1,821,487 -10,210 -0.6 2,859,758 0.8 0.1 06-30-09
Argyll Research, LLC 1,517,339 0 0.0 2,579,477 0.6 0.3 06-30-09
*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 11/25/2009 6:37 AM Eastern Time