452 hedge funds and large institutions have $6.9B invested in Ameren in 2015 Q4 according to their latest regulatory filings, with 55 funds opening new positions, 180 increasing their positions, 142 reducing their positions, and 34 closing their positions.

Holders
452
Holders Change
+17
Holders Change %
+3.91%
% of All Funds
11.87%
Holding in Top 10
2
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-50%
% of All Funds
0.05%
New
55
Increased
180
Reduced
142
Closed
34
Calls
$5.61M
Puts
$1.81M
Net Calls
+$3.8M
Net Calls Change
+$4.8M
Name Market Value Shares Shares
Change
Shares
Change %
AllianceBernstein
76
AllianceBernstein
Tennessee
$18.1M 417,940 -17,972 -4%
WCM
77
Wedge Capital Management
North Carolina
$17.8M 411,830 -81,825 -17%
PI
78
Putnam Investments
Massachusetts
$17.8M 411,453 -3,615 -0.9%
HSBC Holdings
79
HSBC Holdings
United Kingdom
$17.1M 395,013 +203,436 +106%
RFC
80
Russell Frank Company
Washington
$17M 386,232 -43,538 -10%
BA
81
BlackRock Advisors
Delaware
$16.6M 383,883 +120,816 +46%
MTB
82
Mizuho Trust & Banking
Japan
$16M 363,683 +2,519 +0.7%
MAM
83
Martingale Asset Management
Massachusetts
$15.3M 354,828 +139,736 +65%
BNP Paribas Financial Markets
84
BNP Paribas Financial Markets
France
$15M 347,886 +213,238 +158%
UBS Group
85
UBS Group
Switzerland
$14.9M 344,941 +30,208 +10%
AIMCA
86
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$14.5M 335,670 +160,340 +91%
RhumbLine Advisers
87
RhumbLine Advisers
Massachusetts
$14.3M 330,316 -283 -0.1%
Prudential Financial
88
Prudential Financial
New Jersey
$14.2M 328,404 +16,900 +5%
TA
89
Teachers Advisors
New York
$14.1M 325,041 +50,374 +18%
CM
90
Churchill Management
California
$14M 322,882 +23,515 +8%
Millennium Management
91
Millennium Management
New York
$13.9M 321,909 -5,930,149 -95%
APG Asset Management
92
APG Asset Management
Netherlands
$13.9M 321,275 -63,232 -16%
State Board of Administration of Florida Retirement System
93
State Board of Administration of Florida Retirement System
Florida
$13.9M 320,476 -141 -0%
BJ
94
BlackRock Japan
Japan
$12.9M 298,277 -47 -0%
VRS
95
Virginia Retirement Systems
Virginia
$12.3M 284,559 +2,149 +0.8%
ORIO
96
Old Republic International (ORI)
Illinois
$12.2M 282,442
Fidelity Investments
97
Fidelity Investments
Massachusetts
$12M 277,298 +166,013 +149%
ECP
98
Electron Capital Partners
New York
$11.1M 256,859 +10,309 +4%
Retirement Systems of Alabama
99
Retirement Systems of Alabama
Alabama
$10.7M 247,495 -7,764 -3%
ACI
100
AMP Capital Investors
Australia
$10.1M 230,074 +123,461 +116%