441 hedge funds and large institutions have $6.73B invested in Ameren in 2015 Q1 according to their latest regulatory filings, with 47 funds opening new positions, 127 increasing their positions, 179 reducing their positions, and 32 closing their positions.

Holders
441
Holders Change
+9
Holders Change %
+2.08%
% of All Funds
11.76%
Holding in Top 10
2
Holding in Top 10 Change
+2
Holding in Top 10 Change %
%
% of All Funds
0.05%
New
47
Increased
127
Reduced
179
Closed
32
Calls
$4.89M
Puts
$1.96M
Net Calls
+$2.92M
Net Calls Change
-$3.79M
Name Holding Trade Value Shares
Change
Shares
Change %
GF
51
Gabelli Funds
New York
$25.9M -$5.7M -135,000 -18%
PPA
52
Parametric Portfolio Associates
Washington
$25.2M +$1.16M +27,578 +5%
Los Angeles Capital Management
53
Los Angeles Capital Management
California
$25M -$1.13M -26,889 -4%
Renaissance Technologies
54
Renaissance Technologies
New York
$24.8M -$11.7M -278,400 -32%
BlackRock
55
BlackRock
New York
$24.2M +$1.7M +40,285 +8%
WCM
56
Wedge Capital Management
North Carolina
$23.9M -$521K -12,335 -2%
H
57
Hexavest
Quebec, Canada
$23.3M -$1.01M -23,897 -4%
BNP Paribas Asset Management
58
BNP Paribas Asset Management
France
$22.7M +$16.5M +390,864 +267%
Robeco Institutional Asset Management
59
Robeco Institutional Asset Management
Netherlands
$22.2M -$1.04M -24,700 -4%
TD Asset Management
60
TD Asset Management
Ontario, Canada
$21.9M -$47.9K -1,136 -0.2%
Invesco
61
Invesco
Georgia
$21.5M -$4.83M -114,402 -18%
APG Asset Management
62
APG Asset Management
Netherlands
$21.4M -$6.71M -159,002 -24%
O
63
OppenheimerFunds
New York
$20.6M +$1.53M +36,270 +8%
Wells Fargo
64
Wells Fargo
California
$20.6M +$2.01M +47,602 +11%
BIM
65
BlackRock Investment Management
Delaware
$20.4M -$207K -4,902 -1%
Swiss National Bank
66
Swiss National Bank
Switzerland
$20.2M +$5.63M +133,500 +39%
New York State Teachers Retirement System (NYSTRS)
67
New York State Teachers Retirement System (NYSTRS)
New York
$20.1M -$97.1K -2,300 -0.5%
Mitsubishi UFJ Trust & Banking
68
Mitsubishi UFJ Trust & Banking
Japan
$19.8M +$579K +13,713 +3%
JPMorgan Chase & Co
69
JPMorgan Chase & Co
New York
$19.7M +$5.88M +139,433 +43%
California State Teachers Retirement System (CalSTRS)
70
California State Teachers Retirement System (CalSTRS)
California
$19.4M -$319K -7,558 -2%
AllianceBernstein
71
AllianceBernstein
Tennessee
$18.9M -$535K -12,678 -3%
CS
72
Credit Suisse
Switzerland
$18.6M -$4.9M -116,235 -21%
PAM
73
Panagora Asset Management
Massachusetts
$17.8M -$2.89M -68,493 -14%
T. Rowe Price Associates
74
T. Rowe Price Associates
Maryland
$17.7M +$101K +2,395 +0.6%
MAA
75
Managed Account Advisors
New Jersey
$17.6M +$1.46M +34,513 +9%