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

Top Buyers

No buyers this quarter

Top Sellers

No sellers this quarter
Name Market Value Shares Shares
Change
Shares
Change %
Boston Partners
51
Boston Partners
Massachusetts
$24.7M 716,713 +716,713 New
TCIM
52
TIAA CREF Investment Management
New York
$24.3M 704,501 +704,501 New
Sumitomo Mitsui Trust Group
53
Sumitomo Mitsui Trust Group
Japan
$24M 698,115 +698,115 New
Deutsche Bank
54
Deutsche Bank
Germany
$22.8M 661,845 +661,845 New
WCM
55
Wedge Capital Management
North Carolina
$22.3M 646,975 +646,975 New
HCM
56
Highbridge Capital Management
New York
$21.9M 636,188 +636,188 New
BlackRock
57
BlackRock
New York
$20.3M 590,829 +590,829 New
PPA
58
Parametric Portfolio Associates
Washington
$19.5M 565,427 +565,427 New
GC
59
Guggenheim Capital
Illinois
$19.3M 559,508 +559,508 New
QI
60
QS Investors
New York
$19.2M 557,200 +557,200 New
New York State Teachers Retirement System (NYSTRS)
61
New York State Teachers Retirement System (NYSTRS)
New York
$18.3M 531,046 +531,046 New
JHIU
62
Janus Henderson Investors US
Colorado
$17.9M 518,700 +518,700 New
CS
63
Credit Suisse
Switzerland
$17.7M 513,029 +513,029 New
FWCM
64
Ferguson Wellman Capital Management
Oregon
$17.4M 505,584 +505,584 New
Mitsubishi UFJ Trust & Banking
65
Mitsubishi UFJ Trust & Banking
Japan
$17M 492,230 +492,230 New
RFC
66
Russell Frank Company
Washington
$16.9M 489,507 +489,507 New
H
67
Hexavest
Quebec, Canada
$16.8M 486,923 +486,923 New
AL
68
AJO LP
Pennsylvania
$15.9M 462,900 +462,900 New
Robeco Institutional Asset Management
69
Robeco Institutional Asset Management
Netherlands
$15.9M 461,199 +461,199 New
WCM
70
Winton Capital Management
United Kingdom
$15.7M 455,142 +455,142 New
Bank of America
71
Bank of America
North Carolina
$15.7M 454,728 +454,728 New
BIM
72
BlackRock Investment Management
Delaware
$15.4M 446,327 +446,327 New
AllianceBernstein
73
AllianceBernstein
Tennessee
$15M 436,965 +436,965 New
California State Teachers Retirement System (CalSTRS)
74
California State Teachers Retirement System (CalSTRS)
California
$14.6M 422,810 +422,810 New
AQR Capital Management
75
AQR Capital Management
Connecticut
$14.5M 421,310 +421,310 New