374 hedge funds and large institutions have $5.14B invested in Ameren in 2013 Q2 according to their latest regulatory filings, with 374 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

Holders
374
Holders Change
+374
Holders Change %
% of All Funds
12.21%
Holding in Top 10
2
Holding in Top 10 Change
+2
Holding in Top 10 Change %
%
% of All Funds
0.07%
New
374
Increased
Reduced
Closed
Calls
$6.48M
Puts
$9.31M
Net Calls
-$2.83M
Net Calls Change
-$2.83M
Name Market Value Shares Shares
Change
Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$595M 17,275,721 +17,275,721 New
State Street
2
State Street
Massachusetts
$437M 12,692,114 +12,692,114 New
BIT
3
BlackRock Institutional Trust
California
$220M 6,383,419 +6,383,419 New
First Manhattan
4
First Manhattan
New York
$197M 5,450,894 +5,450,894 New
Bank of New York Mellon
5
Bank of New York Mellon
New York
$137M 3,965,170 +3,965,170 New
BFA
6
BlackRock Fund Advisors
California
$126M 3,649,757 +3,649,757 New
Northern Trust
7
Northern Trust
Illinois
$115M 3,334,747 +3,334,747 New
AAMU
8
Amundi Asset Management US
Massachusetts
$101M 2,920,605 +2,920,605 New
Millennium Management
9
Millennium Management
New York
$99.4M 2,886,846 +2,886,846 New
Fidelity Investments
10
Fidelity Investments
Massachusetts
$95.8M 2,782,249 +2,782,249 New
Ameriprise
11
Ameriprise
Minnesota
$85.8M 2,489,958 +2,489,958 New
EIP
12
Epoch Investment Partners
New York
$85M 2,468,155 +2,468,155 New
Canada Pension Plan Investment Board
13
Canada Pension Plan Investment Board
Ontario, Canada
$79.4M 2,306,027 +2,306,027 New
Charles Schwab
14
Charles Schwab
California
$78.7M 2,315,746 +2,315,746 New
Renaissance Technologies
15
Renaissance Technologies
New York
$76.1M 2,208,600 +2,208,600 New
PI
16
Putnam Investments
Massachusetts
$75.1M 2,181,551 +2,181,551 New
Capital Research Global Investors
17
Capital Research Global Investors
California
$71.9M 2,089,120 +2,089,120 New
BG
18
BlackRock Group
United Kingdom
$60.1M 1,746,092 +1,746,092 New
Invesco
19
Invesco
Georgia
$58.9M 1,709,996 +1,709,996 New
Geode Capital Management
20
Geode Capital Management
Massachusetts
$57.9M 1,681,641 +1,681,641 New
Morgan Stanley
21
Morgan Stanley
New York
$57.1M 1,657,438 +1,657,438 New
Prudential Financial
22
Prudential Financial
New Jersey
$56.1M 1,629,892 +1,629,892 New
Neuberger Berman Group
23
Neuberger Berman Group
New York
$51.8M 1,504,693 +1,504,693 New
DPIM
24
Duff & Phelps Investment Management
Illinois
$51.7M 1,500,000 +1,500,000 New
DCM
25
Decade Capital Management
New York
$46.1M 1,337,632 +1,337,632 New