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Ameren
AEE

Overview Fund Activity

424 hedge funds and large institutions have $6.32B invested in Ameren in 2014 Q1 according to their latest regulatory filings, with 54 funds opening new positions, 139 increasing their positions, 159 reducing their positions, and 24 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
424
Holders Change
+26
Holders Change %
+6.53%
% of All Funds
12.25%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.03%
New
54
Increased
139
Reduced
159
Closed
24
Calls
$5.23M
Puts
$4.73M
Net Calls
+$495K
Net Calls Change
+$1.79M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$158M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$817M
3
PAMU
3
Pictet Asset Management (UK)
United Kingdom
$82.5M
4
Fidelity International
4
Fidelity International
Bermuda
$58.9M
5
SFM
5
Systematic Financial Management
New Jersey
$191M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$2.42M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$112M
3
First Manhattan
3
First Manhattan
New York
$154M
4
Citadel Advisors
4
Citadel Advisors
Florida
$4.56M
5
UOC
5
UBS O'Connor
Illinois
$639K
Name Holding Trade Value Shares
Change 		Shares
Change %
ZP
426
Zimmer Partners
New York
– -$9.94M -275,000 Closed
DCM
427
Decade Capital Management
New York
– -$5.98M -165,432 Closed
NFA
428
Nationwide Fund Advisors
Ohio
– -$4.74M -130,939 Closed
WCM
429
Winton Capital Management
United Kingdom
– -$4.25M -117,538 Closed
D.E. Shaw & Co
430
D.E. Shaw & Co
New York
– -$4.25M -117,537 Closed
NC
431
Northpointe Capital
Michigan
– -$987K -27,300 Closed
IG
432
ING Group
Netherlands
– -$868K -24,000 Closed
OC
433
Oppenheimer & Co
New York
– -$827K -22,861 Closed
NG
434
NatWest Group
United Kingdom
– -$707K -19,540 Closed
SAM
435
Selway Asset Management
– -$664K -18,350 Closed
SFP
436
Santa Fe Partners
New Mexico
– -$560K -15,510 Closed
Two Sigma Advisers
437
Two Sigma Advisers
New York
– -$450K -12,436 Closed
QIM
438
Quantitative Investment Management
Virginia
– -$372K -10,300 Closed
TH
439
Timber Hill
Connecticut
– -$317K -8,756 Closed
WTIM
440
Wilmington Trust Investment Management
Delaware
– -$212K -5,870 Closed
EWM
441
Elite Wealth Management
Washington
– -$167K -4,617 Closed
HNB
442
Huntington National Bank
Ohio
– -$79K -2,179 Closed
GI
443
Gradient Investments
Minnesota
– -$39K -1,092 Closed
ACM
444
Aviance Capital Management
Florida
– -$14K -398 Closed
ST
445
Somerset Trust
Pennsylvania
– -$11K -309 Closed
HRIA
446
Haberer Registered Investment Advisor
Ohio
– -$7K -200 Closed
PCM
447
Prelude Capital Management
New York
– -$5K -130 Closed
ST
448
SpiderRock Trading
Illinois
– -$4K – –
14 15 16 17
18