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495 hedge funds and large institutions have $9.54B invested in Ameren in 2017 Q1 according to their latest regulatory filings, with 58 funds opening new positions, 179 increasing their positions, 161 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed

79% more call options, than puts

Call options by funds: $7.54M | Put options by funds: $4.21M

32% more first-time investments, than exits

New positions opened: 58 | Existing positions closed: 44

11% more repeat investments, than reductions

Existing positions increased: 179 | Existing positions reduced: 161

8% more capital invested

Capital invested by funds: $8.85B → $9.54B (+$686M)

2.4% more ownership

Funds ownership: 69.62%72.02% (+2.4%)

1% more funds holding

Funds holding: 490495 (+5)

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
495
Holders Change
+5
Holders Change %
+1.02%
% of All Funds
12.32%
Holding in Top 10
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
New
58
Increased
179
Reduced
161
Closed
44
Calls
$7.54M
Puts
$4.21M
Net Calls
+$3.33M
Net Calls Change
+$5.11M
Name Holding Trade Value Shares
Change
Change in
Stake
Grantham, Mayo, Van Otterloo & Co (GMO)
501
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
-$1.01M -19,269 Closed
TG
502
TCW Group
California
-$939K -17,900 Closed
GLA
503
Great Lakes Advisors
Illinois
-$935K -17,814 Closed
AssetMark Inc
504
AssetMark Inc
California
-$907K -17,282 Closed
LP
505
LMR Partners
United Kingdom
-$780K -14,865 Closed
PTC
506
Private Trust Company
Ohio
-$714K -13,618 Closed
Jane Street
507
Jane Street
New York
-$672K -12,805 Closed
FI
508
FormulaFolio Investments
Michigan
-$620K -11,810 Closed
Marshall Wace
509
Marshall Wace
United Kingdom
-$564K -10,760 Closed
CS
510
Credential Securities
-$524K -9,988 Closed
EMG
511
Ellington Management Group
Connecticut
-$488K -9,300 Closed
VF
512
Virtu Financial
New York
-$481K -9,169 Closed
TSS
513
Two Sigma Securities
New York
-$466K -8,883 Closed
ARTA
514
A.R.T. Advisors
New York
-$456K -8,700 Closed
LNWWM
515
Laird Norton Wetherby Wealth Management
California
-$381K -7,255 Closed
TH
516
Timber Hill
Connecticut
-$337K -6,288 Closed
Jacobs Levy Equity Management
517
Jacobs Levy Equity Management
New Jersey
-$315K -6,010 Closed
APP
518
Avantax Planning Partners
Iowa
-$304K -5,792 Closed
BHWM
519
Bar Harbor Wealth Management
New Hampshire
-$293K -5,585 Closed
Tudor Investment Corp
520
Tudor Investment Corp
Connecticut
-$219K -4,179 Closed
ACP
521
Aveo Capital Partners
Colorado
-$216K -4,112 Closed
LOAME
522
Lombard Odier Asset Management (Europe)
United Kingdom
-$214K -4,086 Closed
FPFS
523
First Personal Financial Services
North Carolina
-$63K -1,188 Closed
PG
524
PEAK6 Group
Illinois
-$57.9K -1,082 Closed
DAM
525
Delta Asset Management
Tennessee
-$40K -770 Closed